1 | /* |
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2 | * Copyright (C) 2001, 2002 Red Hat Inc. |
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3 | * |
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4 | * This program is free software; you can redistribute it and/or |
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5 | * modify it under the terms of the GNU General Public License as |
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6 | * published by the Free Software Foundation; either version 2 of the |
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7 | * License, or (at your option) any later version. |
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8 | * |
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9 | * This program is distributed in the hope that it will be useful, but |
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10 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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12 | * General Public License for more details. |
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13 | * |
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14 | * You should have received a copy of the GNU General Public License |
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15 | * along with this program; if not, write to the Free Software |
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16 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
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17 | * 02111-1307, USA. |
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18 | */ |
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19 | |
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20 | |
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21 | #ifdef HAVE_CONFIG_H |
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22 | #include "config.h" |
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23 | #endif |
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24 | |
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25 | #include "pkg.h" |
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26 | #include "parse.h" |
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27 | |
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28 | #ifdef HAVE_ALLOCA_H |
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29 | # include <alloca.h> |
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30 | #else |
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31 | # ifdef _AIX |
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32 | # pragma alloca |
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33 | # endif |
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34 | #endif |
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35 | |
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36 | #include <sys/types.h> |
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37 | #include <dirent.h> |
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38 | #include <string.h> |
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39 | #include <errno.h> |
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40 | #include <stdio.h> |
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41 | #ifdef HAVE_UNISTD_H |
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42 | #include <unistd.h> |
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43 | #endif |
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44 | #include <stdlib.h> |
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45 | #include <ctype.h> |
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46 | |
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47 | #ifdef G_OS_WIN32 |
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48 | /* No hardcoded paths in the binary, thanks */ |
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49 | #undef PKGLIBDIR |
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50 | /* It's OK to leak this, as PKGLIBDIR is invoked only once */ |
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51 | #define PKGLIBDIR g_strconcat (g_win32_get_package_installation_directory (PACKAGE, NULL), "\\lib\\pkgconfig", NULL) |
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52 | #endif |
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53 | |
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54 | static void verify_package (Package *pkg); |
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55 | |
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56 | static GHashTable *packages = NULL; |
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57 | static GHashTable *locations = NULL; |
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58 | static GHashTable *path_positions = NULL; |
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59 | static GHashTable *globals = NULL; |
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60 | static GSList *search_dirs = NULL; |
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61 | static int scanned_dir_count = 0; |
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62 | |
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63 | gboolean disable_uninstalled = FALSE; |
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64 | |
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65 | void |
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66 | add_search_dir (const char *path) |
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67 | { |
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68 | search_dirs = g_slist_append (search_dirs, g_strdup (path)); |
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69 | } |
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70 | |
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71 | #ifdef G_OS_WIN32 |
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72 | /* Guard against .pc file being installed with UPPER CASE name */ |
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73 | # define FOLD(x) tolower(x) |
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74 | # define FOLDCMP(a, b) g_ascii_strcasecmp (a, b) |
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75 | #else |
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76 | # define FOLD(x) (x) |
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77 | # define FOLDCMP(a, b) strcmp (a, b) |
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78 | #endif |
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79 | |
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80 | #define EXT_LEN 3 |
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81 | |
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82 | static gboolean |
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83 | ends_in_dotpc (const char *str) |
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84 | { |
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85 | int len = strlen (str); |
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86 | |
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87 | if (len > EXT_LEN && |
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88 | str[len - 3] == '.' && |
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89 | FOLD (str[len - 2]) == 'p' && |
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90 | FOLD (str[len - 1]) == 'c') |
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91 | return TRUE; |
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92 | else |
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93 | return FALSE; |
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94 | } |
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95 | |
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96 | /* strlen ("uninstalled") */ |
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97 | #define UNINSTALLED_LEN 11 |
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98 | |
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99 | gboolean |
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100 | name_ends_in_uninstalled (const char *str) |
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101 | { |
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102 | int len = strlen (str); |
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103 | |
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104 | if (len > UNINSTALLED_LEN && |
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105 | FOLDCMP ((str + len - UNINSTALLED_LEN), "uninstalled") == 0) |
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106 | return TRUE; |
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107 | else |
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108 | return FALSE; |
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109 | } |
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110 | |
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111 | |
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112 | /* Look for .pc files in the given directory and add them into |
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113 | * locations, ignoring duplicates |
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114 | */ |
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115 | static void |
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116 | scan_dir (const char *dirname) |
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117 | { |
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118 | DIR *dir; |
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119 | struct dirent *dent; |
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120 | int dirnamelen = strlen (dirname); |
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121 | /* Use a copy of dirname cause Win32 opendir doesn't like |
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122 | * superfluous trailing (back)slashes in the directory name. |
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123 | */ |
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124 | char *dirname_copy = g_strdup (dirname); |
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125 | |
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126 | if (dirnamelen > 1 && dirname[dirnamelen-1] == G_DIR_SEPARATOR) |
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127 | { |
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128 | dirnamelen--; |
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129 | dirname_copy[dirnamelen] = '\0'; |
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130 | } |
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131 | |
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132 | dir = opendir (dirname_copy); |
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133 | free (dirname_copy); |
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134 | if (!dir) |
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135 | { |
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136 | debug_spew ("Cannot open directory '%s' in package search path: %s\n", |
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137 | dirname, g_strerror (errno)); |
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138 | return; |
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139 | } |
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140 | |
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141 | debug_spew ("Scanning directory '%s'\n", dirname); |
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142 | |
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143 | scanned_dir_count += 1; |
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144 | |
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145 | while ((dent = readdir (dir))) |
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146 | { |
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147 | int len = strlen (dent->d_name); |
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148 | |
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149 | if (ends_in_dotpc (dent->d_name)) |
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150 | { |
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151 | char *pkgname = malloc (len - 2); |
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152 | |
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153 | debug_spew ("File '%s' appears to be a .pc file\n", dent->d_name); |
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154 | |
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155 | strncpy (pkgname, dent->d_name, len - EXT_LEN); |
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156 | pkgname[len-EXT_LEN] = '\0'; |
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157 | |
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158 | if (g_hash_table_lookup (locations, pkgname)) |
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159 | { |
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160 | debug_spew ("File '%s' ignored, we already know about package '%s'\n", dent->d_name, pkgname); |
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161 | g_free (pkgname); |
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162 | } |
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163 | else |
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164 | { |
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165 | char *filename = g_malloc (dirnamelen + 1 + len + 1); |
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166 | strncpy (filename, dirname, dirnamelen); |
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167 | filename[dirnamelen] = G_DIR_SEPARATOR; |
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168 | strcpy (filename + dirnamelen + 1, dent->d_name); |
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169 | |
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170 | g_hash_table_insert (locations, pkgname, filename); |
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171 | g_hash_table_insert (path_positions, pkgname, |
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172 | GINT_TO_POINTER (scanned_dir_count)); |
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173 | |
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174 | debug_spew ("Will find package '%s' in file '%s'\n", |
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175 | pkgname, filename); |
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176 | } |
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177 | } |
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178 | else |
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179 | { |
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180 | debug_spew ("Ignoring file '%s' in search directory; not a .pc file\n", |
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181 | dent->d_name); |
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182 | } |
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183 | } |
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184 | } |
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185 | |
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186 | void |
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187 | package_init () |
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188 | { |
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189 | static gboolean initted = FALSE; |
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190 | |
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191 | if (!initted) |
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192 | { |
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193 | initted = TRUE; |
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194 | |
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195 | packages = g_hash_table_new (g_str_hash, g_str_equal); |
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196 | locations = g_hash_table_new (g_str_hash, g_str_equal); |
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197 | path_positions = g_hash_table_new (g_str_hash, g_str_equal); |
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198 | |
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199 | g_slist_foreach (search_dirs, (GFunc)scan_dir, NULL); |
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200 | scan_dir (PKGLIBDIR); |
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201 | } |
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202 | } |
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203 | |
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204 | static gboolean |
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205 | file_readable (const char *path) |
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206 | { |
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207 | FILE *f = fopen (path, "r"); |
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208 | |
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209 | if (f != NULL) |
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210 | { |
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211 | fclose (f); |
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212 | return TRUE; |
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213 | } |
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214 | else |
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215 | return FALSE; |
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216 | } |
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217 | |
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218 | |
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219 | static Package * |
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220 | internal_get_package (const char *name, gboolean warn, gboolean check_compat) |
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221 | { |
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222 | Package *pkg = NULL; |
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223 | const char *location; |
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224 | |
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225 | pkg = g_hash_table_lookup (packages, name); |
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226 | |
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227 | if (pkg) |
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228 | return pkg; |
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229 | |
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230 | debug_spew ("Looking for package '%s'\n", name); |
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231 | |
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232 | /* treat "name" as a filename if it ends in .pc and exists */ |
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233 | if ( ends_in_dotpc (name) ) |
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234 | { |
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235 | debug_spew ("Considering '%s' to be a filename rather than a package name\n", name); |
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236 | location = name; |
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237 | } |
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238 | else |
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239 | { |
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240 | /* See if we should auto-prefer the uninstalled version */ |
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241 | if (!disable_uninstalled && |
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242 | !name_ends_in_uninstalled (name)) |
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243 | { |
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244 | char *un; |
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245 | |
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246 | un = g_strconcat (name, "-uninstalled", NULL); |
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247 | |
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248 | pkg = internal_get_package (un, FALSE, FALSE); |
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249 | |
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250 | g_free (un); |
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251 | |
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252 | if (pkg) |
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253 | { |
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254 | debug_spew ("Preferring uninstalled version of package '%s'\n", name); |
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255 | return pkg; |
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256 | } |
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257 | } |
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258 | |
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259 | location = g_hash_table_lookup (locations, name); |
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260 | } |
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261 | |
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262 | if (location == NULL && check_compat) |
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263 | { |
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264 | pkg = get_compat_package (name); |
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265 | |
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266 | if (pkg) |
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267 | { |
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268 | debug_spew ("Returning values for '%s' from a legacy -config script\n", |
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269 | name); |
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270 | |
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271 | return pkg; |
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272 | } |
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273 | } |
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274 | |
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275 | if (location == NULL) |
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276 | { |
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277 | if (warn) |
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278 | verbose_error ("Package %s was not found in the pkg-config search path.\n" |
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279 | "Perhaps you should add the directory containing `%s.pc'\n" |
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280 | "to the PKG_CONFIG_PATH environment variable\n", |
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281 | name, name); |
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282 | |
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283 | return NULL; |
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284 | } |
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285 | |
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286 | debug_spew ("Reading '%s' from file '%s'\n", name, location); |
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287 | pkg = parse_package_file (location); |
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288 | |
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289 | if (pkg == NULL) |
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290 | { |
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291 | debug_spew ("Failed to parse '%s'\n", location); |
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292 | return NULL; |
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293 | } |
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294 | |
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295 | if (strstr (location, "uninstalled.pc")) |
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296 | pkg->uninstalled = TRUE; |
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297 | |
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298 | if (location != name) |
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299 | pkg->key = g_strdup (name); |
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300 | else |
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301 | { |
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302 | /* need to strip package name out of the filename */ |
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303 | int len = strlen (name); |
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304 | const char *end = name + (len - EXT_LEN); |
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305 | const char *start = end; |
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306 | |
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307 | while (start != name && *start != G_DIR_SEPARATOR) |
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308 | --start; |
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309 | |
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310 | g_assert (end >= start); |
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311 | |
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312 | pkg->key = g_strndup (start, end - start); |
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313 | } |
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314 | |
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315 | pkg->path_position = |
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316 | GPOINTER_TO_INT (g_hash_table_lookup (path_positions, pkg->key)); |
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317 | |
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318 | debug_spew ("Path position of '%s' is %d\n", |
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319 | pkg->name, pkg->path_position); |
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320 | |
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321 | verify_package (pkg); |
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322 | |
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323 | debug_spew ("Adding '%s' to list of known packages, returning as package '%s'\n", |
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324 | pkg->key, name); |
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325 | |
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326 | g_hash_table_insert (packages, pkg->key, pkg); |
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327 | |
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328 | return pkg; |
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329 | } |
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330 | |
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331 | Package * |
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332 | get_package (const char *name) |
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333 | { |
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334 | return internal_get_package (name, TRUE, TRUE); |
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335 | } |
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336 | |
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337 | static GSList* |
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338 | string_list_strip_duplicates (GSList *list) |
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339 | { |
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340 | GHashTable *table; |
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341 | GSList *tmp; |
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342 | GSList *nodups = NULL; |
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343 | |
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344 | table = g_hash_table_new (g_str_hash, g_str_equal); |
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345 | |
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346 | tmp = list; |
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347 | while (tmp != NULL) |
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348 | { |
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349 | if (g_hash_table_lookup (table, tmp->data) == NULL) |
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350 | { |
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351 | nodups = g_slist_prepend (nodups, tmp->data); |
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352 | g_hash_table_insert (table, tmp->data, tmp->data); |
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353 | } |
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354 | else |
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355 | { |
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356 | debug_spew (" removing duplicate \"%s\"\n", tmp->data); |
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357 | } |
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358 | |
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359 | tmp = g_slist_next (tmp); |
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360 | } |
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361 | |
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362 | nodups = g_slist_reverse (nodups); |
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363 | |
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364 | g_hash_table_destroy (table); |
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365 | |
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366 | return nodups; |
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367 | } |
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368 | |
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369 | static GSList* |
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370 | string_list_strip_duplicates_from_back (GSList *list) |
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371 | { |
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372 | GHashTable *table; |
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373 | GSList *tmp; |
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374 | GSList *nodups = NULL; |
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375 | GSList *reversed; |
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376 | |
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377 | table = g_hash_table_new (g_str_hash, g_str_equal); |
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378 | |
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379 | reversed = g_slist_reverse (g_slist_copy (list)); |
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380 | |
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381 | tmp = reversed; |
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382 | while (tmp != NULL) |
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383 | { |
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384 | if (g_hash_table_lookup (table, tmp->data) == NULL) |
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385 | { |
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386 | /* This unreverses the reversed list */ |
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387 | nodups = g_slist_prepend (nodups, tmp->data); |
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388 | g_hash_table_insert (table, tmp->data, tmp->data); |
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389 | } |
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390 | else |
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391 | { |
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392 | debug_spew (" removing duplicate (from back) \"%s\"\n", tmp->data); |
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393 | } |
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394 | |
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395 | tmp = g_slist_next (tmp); |
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396 | } |
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397 | |
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398 | g_slist_free (reversed); |
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399 | |
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400 | g_hash_table_destroy (table); |
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401 | |
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402 | return nodups; |
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403 | } |
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404 | |
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405 | static char * |
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406 | string_list_to_string (GSList *list) |
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407 | { |
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408 | GSList *tmp; |
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409 | GString *str = g_string_new (""); |
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410 | char *retval; |
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411 | |
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412 | tmp = list; |
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413 | while (tmp != NULL) |
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414 | { |
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415 | g_string_append (str, tmp->data); |
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416 | g_string_append_c (str, ' '); |
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417 | |
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418 | tmp = g_slist_next (tmp); |
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419 | } |
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420 | |
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421 | retval = str->str; |
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422 | g_string_free (str, FALSE); |
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423 | |
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424 | return retval; |
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425 | } |
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426 | |
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427 | typedef GSList *(* GetListFunc) (Package *pkg); |
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428 | |
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429 | static GSList * |
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430 | get_l_libs (Package *pkg) |
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431 | { |
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432 | return pkg->l_libs; |
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433 | } |
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434 | |
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435 | static GSList * |
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436 | get_L_libs (Package *pkg) |
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437 | { |
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438 | return pkg->L_libs; |
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439 | } |
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440 | |
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441 | static GSList* |
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442 | get_other_libs (Package *pkg) |
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443 | { |
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444 | return pkg->other_libs; |
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445 | } |
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446 | |
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447 | static GSList * |
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448 | get_I_cflags (Package *pkg) |
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449 | { |
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450 | return pkg->I_cflags; |
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451 | } |
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452 | |
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453 | static GSList * |
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454 | get_other_cflags (Package *pkg) |
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455 | { |
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456 | return pkg->other_cflags; |
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457 | } |
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458 | |
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459 | static GSList * |
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460 | get_conflicts (Package *pkg) |
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461 | { |
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462 | return pkg->conflicts; |
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463 | } |
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464 | |
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465 | static GSList * |
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466 | get_requires (Package *pkg) |
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467 | { |
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468 | return pkg->requires; |
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469 | } |
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470 | |
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471 | static int |
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472 | pathposcmp (gconstpointer a, gconstpointer b) |
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473 | { |
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474 | const Package *pa = a; |
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475 | const Package *pb = b; |
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476 | |
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477 | if (pa->path_position < pb->path_position) |
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478 | return -1; |
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479 | else if (pa->path_position > pb->path_position) |
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480 | return 1; |
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481 | else |
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482 | return 0; |
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483 | } |
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484 | |
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485 | static void |
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486 | spew_package_list (const char *name, |
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487 | GSList *list) |
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488 | { |
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489 | GSList *tmp; |
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490 | |
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491 | debug_spew (" %s: ", name); |
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492 | |
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493 | tmp = list; |
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494 | while (tmp != NULL) |
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495 | { |
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496 | Package *pkg = tmp->data; |
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497 | debug_spew (" %s ", pkg->name); |
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498 | tmp = tmp->next; |
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499 | } |
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500 | debug_spew ("\n"); |
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501 | } |
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502 | |
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503 | static void |
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504 | spew_string_list (const char *name, |
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505 | GSList *list) |
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506 | { |
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507 | GSList *tmp; |
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508 | |
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509 | debug_spew (" %s: ", name); |
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510 | |
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511 | tmp = list; |
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512 | while (tmp != NULL) |
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513 | { |
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514 | debug_spew (" %s ", tmp->data); |
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515 | tmp = tmp->next; |
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516 | } |
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517 | debug_spew ("\n"); |
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518 | } |
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519 | |
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520 | static GSList* |
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521 | packages_sort_by_path_position (GSList *list) |
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522 | { |
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523 | return g_slist_sort (list, pathposcmp); |
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524 | } |
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525 | |
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526 | static void |
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527 | fill_one_level (Package *pkg, GetListFunc func, GSList **listp) |
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528 | { |
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529 | GSList *copy; |
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530 | |
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531 | copy = g_slist_copy ((*func)(pkg)); |
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532 | |
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533 | *listp = g_slist_concat (*listp, copy); |
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534 | } |
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535 | |
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536 | static void |
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537 | recursive_fill_list (Package *pkg, GetListFunc func, GSList **listp) |
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538 | { |
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539 | GSList *tmp; |
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540 | |
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541 | fill_one_level (pkg, func, listp); |
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542 | |
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543 | tmp = pkg->requires; |
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544 | |
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545 | while (tmp != NULL) |
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546 | { |
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547 | recursive_fill_list (tmp->data, func, listp); |
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548 | |
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549 | tmp = g_slist_next (tmp); |
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550 | } |
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551 | } |
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552 | |
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553 | static void |
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554 | fill_list_single_package (Package *pkg, GetListFunc func, |
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555 | GSList **listp, gboolean in_path_order) |
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556 | { |
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557 | /* First we get the list in natural/recursive order, then |
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558 | * stable sort by path position |
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559 | */ |
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560 | GSList *packages; |
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561 | GSList *tmp; |
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562 | |
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563 | /* Get list of packages */ |
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564 | packages = NULL; |
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565 | packages = g_slist_append (packages, pkg); |
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566 | recursive_fill_list (pkg, get_requires, &packages); |
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567 | |
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568 | if (in_path_order) |
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569 | { |
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570 | spew_package_list ("original", packages); |
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571 | |
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572 | packages = packages_sort_by_path_position (packages); |
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573 | |
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574 | spew_package_list ("sorted", packages); |
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575 | } |
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576 | |
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577 | /* Convert package list to string list */ |
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578 | tmp = packages; |
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579 | while (tmp != NULL) |
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580 | { |
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581 | fill_one_level (tmp->data, func, listp); |
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582 | |
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583 | tmp = tmp->next; |
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584 | } |
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585 | |
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586 | g_slist_free (packages); |
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587 | } |
---|
588 | |
---|
589 | static void |
---|
590 | fill_list (GSList *packages, GetListFunc func, |
---|
591 | GSList **listp, gboolean in_path_order) |
---|
592 | { |
---|
593 | GSList *tmp; |
---|
594 | GSList *expanded; |
---|
595 | |
---|
596 | expanded = NULL; |
---|
597 | tmp = packages; |
---|
598 | while (tmp != NULL) |
---|
599 | { |
---|
600 | expanded = g_slist_append (expanded, tmp->data); |
---|
601 | recursive_fill_list (tmp->data, get_requires, &expanded); |
---|
602 | |
---|
603 | tmp = tmp->next; |
---|
604 | } |
---|
605 | |
---|
606 | if (in_path_order) |
---|
607 | { |
---|
608 | spew_package_list ("original", expanded); |
---|
609 | |
---|
610 | expanded = packages_sort_by_path_position (expanded); |
---|
611 | |
---|
612 | spew_package_list ("sorted", expanded); |
---|
613 | } |
---|
614 | |
---|
615 | tmp = expanded; |
---|
616 | while (tmp != NULL) |
---|
617 | { |
---|
618 | fill_one_level (tmp->data, func, listp); |
---|
619 | |
---|
620 | tmp = tmp->next; |
---|
621 | } |
---|
622 | |
---|
623 | g_slist_free (expanded); |
---|
624 | } |
---|
625 | |
---|
626 | static gint |
---|
627 | compare_req_version_names (gconstpointer a, gconstpointer b) |
---|
628 | { |
---|
629 | const RequiredVersion *ver_a = a; |
---|
630 | const RequiredVersion *ver_b = b; |
---|
631 | |
---|
632 | return strcmp (ver_a->name, ver_b->name); |
---|
633 | } |
---|
634 | |
---|
635 | static gint |
---|
636 | compare_package_keys (gconstpointer a, gconstpointer b) |
---|
637 | { |
---|
638 | const Package *pkg_a = a; |
---|
639 | const Package *pkg_b = b; |
---|
640 | |
---|
641 | return strcmp (pkg_a->key, pkg_b->key); |
---|
642 | } |
---|
643 | |
---|
644 | static GSList * |
---|
645 | add_env_variable_to_list (GSList *list, const gchar *env) |
---|
646 | { |
---|
647 | gchar **values; |
---|
648 | gint i; |
---|
649 | |
---|
650 | /* FIXME: the separator should be a ';' on Windows |
---|
651 | */ |
---|
652 | values = g_strsplit (env, ":", 0); |
---|
653 | for (i = 0; values[i] != NULL; i++) |
---|
654 | { |
---|
655 | list = g_slist_append (list, g_strdup (values[i])); |
---|
656 | } |
---|
657 | g_strfreev (values); |
---|
658 | |
---|
659 | return list; |
---|
660 | } |
---|
661 | |
---|
662 | static void |
---|
663 | verify_package (Package *pkg) |
---|
664 | { |
---|
665 | GSList *requires = NULL; |
---|
666 | GSList *conflicts = NULL; |
---|
667 | GSList *system_directories = NULL; |
---|
668 | GSList *iter; |
---|
669 | GSList *requires_iter; |
---|
670 | GSList *conflicts_iter; |
---|
671 | GSList *system_dir_iter = NULL; |
---|
672 | int count; |
---|
673 | gchar *c_include_path; |
---|
674 | |
---|
675 | /* Be sure we have the required fields */ |
---|
676 | |
---|
677 | if (pkg->key == NULL) |
---|
678 | { |
---|
679 | fprintf (stderr, |
---|
680 | "Internal pkg-config error, package with no key, please file a bug report\n"); |
---|
681 | exit (1); |
---|
682 | } |
---|
683 | |
---|
684 | if (pkg->name == NULL) |
---|
685 | { |
---|
686 | verbose_error ("Package '%s' has no Name: field\n", |
---|
687 | pkg->key); |
---|
688 | exit (1); |
---|
689 | } |
---|
690 | |
---|
691 | if (pkg->version == NULL) |
---|
692 | { |
---|
693 | verbose_error ("Package '%s' has no Version: field\n", |
---|
694 | pkg->name); |
---|
695 | exit (1); |
---|
696 | } |
---|
697 | |
---|
698 | if (pkg->description == NULL) |
---|
699 | { |
---|
700 | verbose_error ("Package '%s' has no Description: field\n", |
---|
701 | pkg->description); |
---|
702 | exit (1); |
---|
703 | } |
---|
704 | |
---|
705 | /* Make sure we have the right version for all requirements */ |
---|
706 | |
---|
707 | iter = pkg->requires; |
---|
708 | |
---|
709 | while (iter != NULL) |
---|
710 | { |
---|
711 | Package *req = iter->data; |
---|
712 | RequiredVersion *ver = NULL; |
---|
713 | |
---|
714 | if (pkg->required_versions) |
---|
715 | ver = g_hash_table_lookup (pkg->required_versions, |
---|
716 | req->key); |
---|
717 | |
---|
718 | if (ver) |
---|
719 | { |
---|
720 | if (!version_test (ver->comparison, req->version, ver->version)) |
---|
721 | { |
---|
722 | verbose_error ("Package '%s' requires '%s %s %s' but version of %s is %s\n", |
---|
723 | pkg->name, req->key, |
---|
724 | comparison_to_str (ver->comparison), |
---|
725 | ver->version, |
---|
726 | req->name, |
---|
727 | req->version); |
---|
728 | |
---|
729 | exit (1); |
---|
730 | } |
---|
731 | } |
---|
732 | |
---|
733 | iter = g_slist_next (iter); |
---|
734 | } |
---|
735 | |
---|
736 | /* Make sure we didn't drag in any conflicts via Requires |
---|
737 | * (inefficient algorithm, who cares) |
---|
738 | */ |
---|
739 | |
---|
740 | recursive_fill_list (pkg, get_requires, &requires); |
---|
741 | recursive_fill_list (pkg, get_conflicts, &conflicts); |
---|
742 | |
---|
743 | requires_iter = requires; |
---|
744 | while (requires_iter != NULL) |
---|
745 | { |
---|
746 | Package *req = requires_iter->data; |
---|
747 | |
---|
748 | conflicts_iter = conflicts; |
---|
749 | |
---|
750 | while (conflicts_iter != NULL) |
---|
751 | { |
---|
752 | RequiredVersion *ver = conflicts_iter->data; |
---|
753 | |
---|
754 | if (version_test (ver->comparison, |
---|
755 | req->version, |
---|
756 | ver->version)) |
---|
757 | { |
---|
758 | verbose_error ("Version %s of %s creates a conflict.\n" |
---|
759 | "(%s %s %s conflicts with %s %s)\n", |
---|
760 | req->version, req->name, |
---|
761 | ver->name, |
---|
762 | comparison_to_str (ver->comparison), |
---|
763 | ver->version, |
---|
764 | ver->owner->name, |
---|
765 | ver->owner->version); |
---|
766 | |
---|
767 | exit (1); |
---|
768 | } |
---|
769 | |
---|
770 | conflicts_iter = g_slist_next (conflicts_iter); |
---|
771 | } |
---|
772 | |
---|
773 | requires_iter = g_slist_next (requires_iter); |
---|
774 | } |
---|
775 | |
---|
776 | g_slist_free (requires); |
---|
777 | g_slist_free (conflicts); |
---|
778 | |
---|
779 | /* We make a list of system directories that gcc expects so we can remove |
---|
780 | * them. |
---|
781 | */ |
---|
782 | system_directories = g_slist_append (NULL, g_strdup ("/usr/include")); |
---|
783 | |
---|
784 | c_include_path = g_getenv ("C_INCLUDE_PATH"); |
---|
785 | if (c_include_path != NULL) |
---|
786 | { |
---|
787 | system_directories = add_env_variable_to_list (system_directories, c_include_path); |
---|
788 | } |
---|
789 | |
---|
790 | c_include_path = g_getenv ("CPLUS_INCLUDE_PATH"); |
---|
791 | if (c_include_path != NULL) |
---|
792 | { |
---|
793 | system_directories = add_env_variable_to_list (system_directories, c_include_path); |
---|
794 | } |
---|
795 | |
---|
796 | count = 0; |
---|
797 | iter = pkg->I_cflags; |
---|
798 | while (iter != NULL) |
---|
799 | { |
---|
800 | gint offset = 0; |
---|
801 | /* we put things in canonical -I/usr/include (vs. -I /usr/include) format, |
---|
802 | * but if someone changes it later we may as well be robust |
---|
803 | */ |
---|
804 | if (((strncmp (iter->data, "-I", 2) == 0) && (offset = 2))|| |
---|
805 | ((strncmp (iter->data, "-I ", 3) == 0) && (offset = 3))) |
---|
806 | { |
---|
807 | if (offset == 0) |
---|
808 | { |
---|
809 | iter = iter->next; |
---|
810 | continue; |
---|
811 | } |
---|
812 | |
---|
813 | system_dir_iter = system_directories; |
---|
814 | while (system_dir_iter != NULL) |
---|
815 | { |
---|
816 | if (strcmp (system_dir_iter->data, iter->data + offset) == 0) |
---|
817 | { |
---|
818 | debug_spew ("Package %s has %s in Cflags\n", |
---|
819 | pkg->name, (gchar *)iter->data); |
---|
820 | if (g_getenv ("PKG_CONFIG_ALLOW_SYSTEM_CFLAGS") == NULL) |
---|
821 | { |
---|
822 | debug_spew ("Removing %s from cflags for %s\n", iter->data, pkg->key); |
---|
823 | ++count; |
---|
824 | iter->data = NULL; |
---|
825 | |
---|
826 | break; |
---|
827 | } |
---|
828 | } |
---|
829 | system_dir_iter = system_dir_iter->next; |
---|
830 | } |
---|
831 | } |
---|
832 | |
---|
833 | iter = iter->next; |
---|
834 | } |
---|
835 | |
---|
836 | while (count) |
---|
837 | { |
---|
838 | pkg->I_cflags = g_slist_remove (pkg->I_cflags, NULL); |
---|
839 | --count; |
---|
840 | } |
---|
841 | |
---|
842 | g_slist_foreach (system_directories, (GFunc) g_free, NULL); |
---|
843 | g_slist_free (system_directories); |
---|
844 | |
---|
845 | count = 0; |
---|
846 | iter = pkg->L_libs; |
---|
847 | while (iter != NULL) |
---|
848 | { |
---|
849 | if (strcmp (iter->data, "-L/usr/lib") == 0 || |
---|
850 | strcmp (iter->data, "-L /usr/lib") == 0) |
---|
851 | { |
---|
852 | debug_spew ("Package %s has -L/usr/lib in Libs\n", |
---|
853 | pkg->name); |
---|
854 | if (g_getenv ("PKG_CONFIG_ALLOW_SYSTEM_LIBS") == NULL) |
---|
855 | { |
---|
856 | iter->data = NULL; |
---|
857 | ++count; |
---|
858 | debug_spew ("Removing -L/usr/lib from libs for %s\n", pkg->key); |
---|
859 | } |
---|
860 | } |
---|
861 | |
---|
862 | iter = iter->next; |
---|
863 | } |
---|
864 | |
---|
865 | while (count) |
---|
866 | { |
---|
867 | pkg->L_libs = g_slist_remove (pkg->L_libs, NULL); |
---|
868 | --count; |
---|
869 | } |
---|
870 | } |
---|
871 | |
---|
872 | static char* |
---|
873 | get_merged (Package *pkg, GetListFunc func, gboolean in_path_order) |
---|
874 | { |
---|
875 | GSList *list; |
---|
876 | GSList *dups_list = NULL; |
---|
877 | char *retval; |
---|
878 | |
---|
879 | fill_list_single_package (pkg, func, &dups_list, in_path_order); |
---|
880 | |
---|
881 | list = string_list_strip_duplicates (dups_list); |
---|
882 | |
---|
883 | g_slist_free (dups_list); |
---|
884 | |
---|
885 | retval = string_list_to_string (list); |
---|
886 | |
---|
887 | g_slist_free (list); |
---|
888 | |
---|
889 | return retval; |
---|
890 | } |
---|
891 | |
---|
892 | static char* |
---|
893 | get_merged_from_back (Package *pkg, GetListFunc func, gboolean in_path_order) |
---|
894 | { |
---|
895 | GSList *list; |
---|
896 | GSList *dups_list = NULL; |
---|
897 | char *retval; |
---|
898 | |
---|
899 | fill_list_single_package (pkg, func, &dups_list, in_path_order); |
---|
900 | |
---|
901 | list = string_list_strip_duplicates_from_back (dups_list); |
---|
902 | |
---|
903 | g_slist_free (dups_list); |
---|
904 | |
---|
905 | retval = string_list_to_string (list); |
---|
906 | |
---|
907 | g_slist_free (list); |
---|
908 | |
---|
909 | return retval; |
---|
910 | } |
---|
911 | |
---|
912 | static char* |
---|
913 | get_multi_merged (GSList *pkgs, GetListFunc func, gboolean in_path_order) |
---|
914 | { |
---|
915 | GSList *tmp; |
---|
916 | GSList *dups_list = NULL; |
---|
917 | GSList *list; |
---|
918 | char *retval; |
---|
919 | |
---|
920 | fill_list (pkgs, func, &dups_list, in_path_order); |
---|
921 | |
---|
922 | list = string_list_strip_duplicates (dups_list); |
---|
923 | |
---|
924 | g_slist_free (dups_list); |
---|
925 | |
---|
926 | retval = string_list_to_string (list); |
---|
927 | |
---|
928 | g_slist_free (list); |
---|
929 | |
---|
930 | return retval; |
---|
931 | } |
---|
932 | |
---|
933 | static char* |
---|
934 | get_multi_merged_from_back (GSList *pkgs, GetListFunc func, gboolean in_path_order) |
---|
935 | { |
---|
936 | GSList *tmp; |
---|
937 | GSList *dups_list = NULL; |
---|
938 | GSList *list; |
---|
939 | char *retval; |
---|
940 | |
---|
941 | fill_list (pkgs, func, &dups_list, in_path_order); |
---|
942 | |
---|
943 | list = string_list_strip_duplicates_from_back (dups_list); |
---|
944 | |
---|
945 | g_slist_free (dups_list); |
---|
946 | |
---|
947 | retval = string_list_to_string (list); |
---|
948 | |
---|
949 | g_slist_free (list); |
---|
950 | |
---|
951 | return retval; |
---|
952 | } |
---|
953 | |
---|
954 | char * |
---|
955 | package_get_l_libs (Package *pkg) |
---|
956 | { |
---|
957 | /* We don't want these in search path order, rather in dependency |
---|
958 | * order, so static linking works. |
---|
959 | */ |
---|
960 | if (pkg->l_libs_merged == NULL) |
---|
961 | pkg->l_libs_merged = get_merged_from_back (pkg, get_l_libs, FALSE); |
---|
962 | |
---|
963 | return pkg->l_libs_merged; |
---|
964 | } |
---|
965 | |
---|
966 | char * |
---|
967 | packages_get_l_libs (GSList *pkgs) |
---|
968 | { |
---|
969 | return get_multi_merged_from_back (pkgs, get_l_libs, FALSE); |
---|
970 | } |
---|
971 | |
---|
972 | char * |
---|
973 | package_get_L_libs (Package *pkg) |
---|
974 | { |
---|
975 | /* We want these in search path order so the -L flags don't override PKG_CONFIG_PATH */ |
---|
976 | if (pkg->L_libs_merged == NULL) |
---|
977 | pkg->L_libs_merged = get_merged (pkg, get_L_libs, TRUE); |
---|
978 | |
---|
979 | return pkg->L_libs_merged; |
---|
980 | } |
---|
981 | |
---|
982 | char * |
---|
983 | packages_get_L_libs (GSList *pkgs) |
---|
984 | { |
---|
985 | return get_multi_merged (pkgs, get_L_libs, TRUE); |
---|
986 | } |
---|
987 | |
---|
988 | char * |
---|
989 | package_get_other_libs (Package *pkg) |
---|
990 | { |
---|
991 | if (pkg->other_libs_merged == NULL) |
---|
992 | pkg->other_libs_merged = get_merged (pkg, get_other_libs, TRUE); |
---|
993 | |
---|
994 | return pkg->other_libs_merged; |
---|
995 | } |
---|
996 | |
---|
997 | char * |
---|
998 | packages_get_other_libs (GSList *pkgs) |
---|
999 | { |
---|
1000 | return get_multi_merged (pkgs, get_other_libs, TRUE); |
---|
1001 | } |
---|
1002 | |
---|
1003 | char * |
---|
1004 | packages_get_all_libs (GSList *pkgs) |
---|
1005 | { |
---|
1006 | char *l_libs; |
---|
1007 | char *L_libs; |
---|
1008 | char *other_libs; |
---|
1009 | GString *str; |
---|
1010 | char *retval; |
---|
1011 | |
---|
1012 | str = g_string_new (""); |
---|
1013 | |
---|
1014 | other_libs = packages_get_other_libs (pkgs); |
---|
1015 | L_libs = packages_get_L_libs (pkgs); |
---|
1016 | l_libs = packages_get_l_libs (pkgs); |
---|
1017 | |
---|
1018 | if (other_libs) |
---|
1019 | g_string_append (str, other_libs); |
---|
1020 | |
---|
1021 | if (L_libs) |
---|
1022 | g_string_append (str, L_libs); |
---|
1023 | |
---|
1024 | if (l_libs) |
---|
1025 | g_string_append (str, l_libs); |
---|
1026 | |
---|
1027 | g_free (l_libs); |
---|
1028 | g_free (L_libs); |
---|
1029 | g_free (other_libs); |
---|
1030 | |
---|
1031 | retval = str->str; |
---|
1032 | |
---|
1033 | g_string_free (str, FALSE); |
---|
1034 | |
---|
1035 | return retval; |
---|
1036 | } |
---|
1037 | |
---|
1038 | char * |
---|
1039 | package_get_I_cflags (Package *pkg) |
---|
1040 | { |
---|
1041 | /* sort by path position so PKG_CONFIG_PATH affects -I flag order */ |
---|
1042 | if (pkg->I_cflags_merged == NULL) |
---|
1043 | pkg->I_cflags_merged = get_merged (pkg, get_I_cflags, TRUE); |
---|
1044 | |
---|
1045 | return pkg->I_cflags_merged; |
---|
1046 | } |
---|
1047 | |
---|
1048 | char * |
---|
1049 | packages_get_I_cflags (GSList *pkgs) |
---|
1050 | { |
---|
1051 | /* sort by path position so PKG_CONFIG_PATH affects -I flag order */ |
---|
1052 | return get_multi_merged (pkgs, get_I_cflags, TRUE); |
---|
1053 | } |
---|
1054 | |
---|
1055 | char * |
---|
1056 | package_get_other_cflags (Package *pkg) |
---|
1057 | { |
---|
1058 | if (pkg->other_cflags_merged == NULL) |
---|
1059 | pkg->other_cflags_merged = get_merged (pkg, get_other_cflags, TRUE); |
---|
1060 | |
---|
1061 | return pkg->other_cflags_merged; |
---|
1062 | } |
---|
1063 | |
---|
1064 | char * |
---|
1065 | packages_get_other_cflags (GSList *pkgs) |
---|
1066 | { |
---|
1067 | return get_multi_merged (pkgs, get_other_cflags, TRUE); |
---|
1068 | } |
---|
1069 | |
---|
1070 | char * |
---|
1071 | package_get_cflags (Package *pkg) |
---|
1072 | { |
---|
1073 | |
---|
1074 | g_assert_not_reached (); |
---|
1075 | return NULL; |
---|
1076 | } |
---|
1077 | |
---|
1078 | char * |
---|
1079 | packages_get_all_cflags (GSList *pkgs) |
---|
1080 | { |
---|
1081 | char *I_cflags; |
---|
1082 | char *other_cflags; |
---|
1083 | GString *str; |
---|
1084 | char *retval; |
---|
1085 | |
---|
1086 | str = g_string_new (""); |
---|
1087 | |
---|
1088 | other_cflags = packages_get_other_cflags (pkgs); |
---|
1089 | I_cflags = packages_get_I_cflags (pkgs); |
---|
1090 | |
---|
1091 | if (other_cflags) |
---|
1092 | g_string_append (str, other_cflags); |
---|
1093 | |
---|
1094 | if (I_cflags) |
---|
1095 | g_string_append (str, I_cflags); |
---|
1096 | |
---|
1097 | g_free (I_cflags); |
---|
1098 | g_free (other_cflags); |
---|
1099 | |
---|
1100 | retval = str->str; |
---|
1101 | |
---|
1102 | g_string_free (str, FALSE); |
---|
1103 | |
---|
1104 | return retval; |
---|
1105 | } |
---|
1106 | |
---|
1107 | |
---|
1108 | void |
---|
1109 | define_global_variable (const char *varname, |
---|
1110 | const char *varval) |
---|
1111 | { |
---|
1112 | if (globals == NULL) |
---|
1113 | globals = g_hash_table_new (g_str_hash, g_str_equal); |
---|
1114 | |
---|
1115 | if (g_hash_table_lookup (globals, varname)) |
---|
1116 | { |
---|
1117 | verbose_error ("Variable '%s' defined twice globally\n", varname); |
---|
1118 | exit (1); |
---|
1119 | } |
---|
1120 | |
---|
1121 | g_hash_table_insert (globals, g_strdup (varname), g_strdup (varval)); |
---|
1122 | |
---|
1123 | debug_spew ("Global variable definition '%s' = '%s'\n", |
---|
1124 | varname, varval); |
---|
1125 | } |
---|
1126 | |
---|
1127 | char * |
---|
1128 | package_get_var (Package *pkg, |
---|
1129 | const char *var) |
---|
1130 | { |
---|
1131 | char *varval = NULL; |
---|
1132 | |
---|
1133 | if (globals) |
---|
1134 | varval = g_hash_table_lookup (globals, var); |
---|
1135 | |
---|
1136 | if (varval == NULL && pkg->vars) |
---|
1137 | varval = g_strdup (g_hash_table_lookup (pkg->vars, var)); |
---|
1138 | |
---|
1139 | /* Magic "pcfiledir" variable */ |
---|
1140 | if (varval == NULL && pkg->pcfiledir && strcmp (var, "pcfiledir") == 0) |
---|
1141 | varval = g_strdup (pkg->pcfiledir); |
---|
1142 | |
---|
1143 | return varval; |
---|
1144 | } |
---|
1145 | |
---|
1146 | char * |
---|
1147 | packages_get_var (GSList *pkgs, |
---|
1148 | const char *varname) |
---|
1149 | { |
---|
1150 | GSList *tmp; |
---|
1151 | GString *str; |
---|
1152 | char *retval; |
---|
1153 | |
---|
1154 | str = g_string_new (""); |
---|
1155 | |
---|
1156 | tmp = pkgs; |
---|
1157 | while (tmp != NULL) |
---|
1158 | { |
---|
1159 | Package *pkg = tmp->data; |
---|
1160 | char *var; |
---|
1161 | |
---|
1162 | var = package_get_var (pkg, varname); |
---|
1163 | |
---|
1164 | if (var) |
---|
1165 | { |
---|
1166 | g_string_append (str, var); |
---|
1167 | g_string_append_c (str, ' '); |
---|
1168 | g_free (var); |
---|
1169 | } |
---|
1170 | |
---|
1171 | tmp = g_slist_next (tmp); |
---|
1172 | } |
---|
1173 | |
---|
1174 | /* chop last space */ |
---|
1175 | str->str[str->len - 1] = '\0'; |
---|
1176 | retval = str->str; |
---|
1177 | g_string_free (str, FALSE); |
---|
1178 | |
---|
1179 | return retval; |
---|
1180 | } |
---|
1181 | |
---|
1182 | |
---|
1183 | |
---|
1184 | /* Stolen verbatim from rpm/lib/misc.c |
---|
1185 | RPM is Copyright (c) 1998 by Red Hat Software, Inc., |
---|
1186 | and may be distributed under the terms of the GPL and LGPL. |
---|
1187 | */ |
---|
1188 | /* compare alpha and numeric segments of two versions */ |
---|
1189 | /* return 1: a is newer than b */ |
---|
1190 | /* 0: a and b are the same version */ |
---|
1191 | /* -1: b is newer than a */ |
---|
1192 | static int rpmvercmp(const char * a, const char * b) { |
---|
1193 | char oldch1, oldch2; |
---|
1194 | char * str1, * str2; |
---|
1195 | char * one, * two; |
---|
1196 | int rc; |
---|
1197 | int isnum; |
---|
1198 | |
---|
1199 | /* easy comparison to see if versions are identical */ |
---|
1200 | if (!strcmp(a, b)) return 0; |
---|
1201 | |
---|
1202 | str1 = alloca(strlen(a) + 1); |
---|
1203 | str2 = alloca(strlen(b) + 1); |
---|
1204 | |
---|
1205 | strcpy(str1, a); |
---|
1206 | strcpy(str2, b); |
---|
1207 | |
---|
1208 | one = str1; |
---|
1209 | two = str2; |
---|
1210 | |
---|
1211 | /* loop through each version segment of str1 and str2 and compare them */ |
---|
1212 | while (*one && *two) { |
---|
1213 | while (*one && !isalnum((guchar)*one)) one++; |
---|
1214 | while (*two && !isalnum((guchar)*two)) two++; |
---|
1215 | |
---|
1216 | str1 = one; |
---|
1217 | str2 = two; |
---|
1218 | |
---|
1219 | /* grab first completely alpha or completely numeric segment */ |
---|
1220 | /* leave one and two pointing to the start of the alpha or numeric */ |
---|
1221 | /* segment and walk str1 and str2 to end of segment */ |
---|
1222 | if (isdigit((guchar)*str1)) { |
---|
1223 | while (*str1 && isdigit((guchar)*str1)) str1++; |
---|
1224 | while (*str2 && isdigit((guchar)*str2)) str2++; |
---|
1225 | isnum = 1; |
---|
1226 | } else { |
---|
1227 | while (*str1 && isalpha((guchar)*str1)) str1++; |
---|
1228 | while (*str2 && isalpha((guchar)*str2)) str2++; |
---|
1229 | isnum = 0; |
---|
1230 | } |
---|
1231 | |
---|
1232 | /* save character at the end of the alpha or numeric segment */ |
---|
1233 | /* so that they can be restored after the comparison */ |
---|
1234 | oldch1 = *str1; |
---|
1235 | *str1 = '\0'; |
---|
1236 | oldch2 = *str2; |
---|
1237 | *str2 = '\0'; |
---|
1238 | |
---|
1239 | /* take care of the case where the two version segments are */ |
---|
1240 | /* different types: one numeric and one alpha */ |
---|
1241 | if (one == str1) return -1; /* arbitrary */ |
---|
1242 | if (two == str2) return -1; |
---|
1243 | |
---|
1244 | if (isnum) { |
---|
1245 | /* this used to be done by converting the digit segments */ |
---|
1246 | /* to ints using atoi() - it's changed because long */ |
---|
1247 | /* digit segments can overflow an int - this should fix that. */ |
---|
1248 | |
---|
1249 | /* throw away any leading zeros - it's a number, right? */ |
---|
1250 | while (*one == '0') one++; |
---|
1251 | while (*two == '0') two++; |
---|
1252 | |
---|
1253 | /* whichever number has more digits wins */ |
---|
1254 | if (strlen(one) > strlen(two)) return 1; |
---|
1255 | if (strlen(two) > strlen(one)) return -1; |
---|
1256 | } |
---|
1257 | |
---|
1258 | /* strcmp will return which one is greater - even if the two */ |
---|
1259 | /* segments are alpha or if they are numeric. don't return */ |
---|
1260 | /* if they are equal because there might be more segments to */ |
---|
1261 | /* compare */ |
---|
1262 | rc = strcmp(one, two); |
---|
1263 | if (rc) return rc; |
---|
1264 | |
---|
1265 | /* restore character that was replaced by null above */ |
---|
1266 | *str1 = oldch1; |
---|
1267 | one = str1; |
---|
1268 | *str2 = oldch2; |
---|
1269 | two = str2; |
---|
1270 | } |
---|
1271 | |
---|
1272 | /* this catches the case where all numeric and alpha segments have */ |
---|
1273 | /* compared identically but the segment sepparating characters were */ |
---|
1274 | /* different */ |
---|
1275 | if ((!*one) && (!*two)) return 0; |
---|
1276 | |
---|
1277 | /* whichever version still has characters left over wins */ |
---|
1278 | if (!*one) return -1; else return 1; |
---|
1279 | } |
---|
1280 | |
---|
1281 | int |
---|
1282 | compare_versions (const char * a, const char *b) |
---|
1283 | { |
---|
1284 | return rpmvercmp (a, b); |
---|
1285 | } |
---|
1286 | |
---|
1287 | gboolean |
---|
1288 | version_test (ComparisonType comparison, |
---|
1289 | const char *a, |
---|
1290 | const char *b) |
---|
1291 | { |
---|
1292 | switch (comparison) |
---|
1293 | { |
---|
1294 | case LESS_THAN: |
---|
1295 | return compare_versions (a, b) < 0; |
---|
1296 | break; |
---|
1297 | |
---|
1298 | case GREATER_THAN: |
---|
1299 | return compare_versions (a, b) > 0; |
---|
1300 | break; |
---|
1301 | |
---|
1302 | case LESS_THAN_EQUAL: |
---|
1303 | return compare_versions (a, b) <= 0; |
---|
1304 | break; |
---|
1305 | |
---|
1306 | case GREATER_THAN_EQUAL: |
---|
1307 | return compare_versions (a, b) >= 0; |
---|
1308 | break; |
---|
1309 | |
---|
1310 | case EQUAL: |
---|
1311 | return compare_versions (a, b) == 0; |
---|
1312 | break; |
---|
1313 | |
---|
1314 | case NOT_EQUAL: |
---|
1315 | return compare_versions (a, b) != 0; |
---|
1316 | break; |
---|
1317 | |
---|
1318 | case ALWAYS_MATCH: |
---|
1319 | return TRUE; |
---|
1320 | break; |
---|
1321 | |
---|
1322 | default: |
---|
1323 | g_assert_not_reached (); |
---|
1324 | break; |
---|
1325 | } |
---|
1326 | |
---|
1327 | return FALSE; |
---|
1328 | } |
---|
1329 | |
---|
1330 | const char * |
---|
1331 | comparison_to_str (ComparisonType comparison) |
---|
1332 | { |
---|
1333 | switch (comparison) |
---|
1334 | { |
---|
1335 | case LESS_THAN: |
---|
1336 | return "<"; |
---|
1337 | break; |
---|
1338 | |
---|
1339 | case GREATER_THAN: |
---|
1340 | return ">"; |
---|
1341 | break; |
---|
1342 | |
---|
1343 | case LESS_THAN_EQUAL: |
---|
1344 | return "<="; |
---|
1345 | break; |
---|
1346 | |
---|
1347 | case GREATER_THAN_EQUAL: |
---|
1348 | return ">="; |
---|
1349 | break; |
---|
1350 | |
---|
1351 | case EQUAL: |
---|
1352 | return "="; |
---|
1353 | break; |
---|
1354 | |
---|
1355 | case NOT_EQUAL: |
---|
1356 | return "!="; |
---|
1357 | break; |
---|
1358 | |
---|
1359 | case ALWAYS_MATCH: |
---|
1360 | return "(any)"; |
---|
1361 | break; |
---|
1362 | |
---|
1363 | default: |
---|
1364 | g_assert_not_reached (); |
---|
1365 | break; |
---|
1366 | } |
---|
1367 | |
---|
1368 | return "???"; |
---|
1369 | } |
---|
1370 | |
---|
1371 | static void |
---|
1372 | max_len_foreach (gpointer key, gpointer value, gpointer data) |
---|
1373 | { |
---|
1374 | int *mlen = data; |
---|
1375 | |
---|
1376 | *mlen = MAX (*mlen, strlen (key)); |
---|
1377 | } |
---|
1378 | |
---|
1379 | static void |
---|
1380 | packages_foreach (gpointer key, gpointer value, gpointer data) |
---|
1381 | { |
---|
1382 | Package *pkg = get_package (key); |
---|
1383 | |
---|
1384 | if (pkg != NULL) |
---|
1385 | { |
---|
1386 | char *pad; |
---|
1387 | |
---|
1388 | pad = g_strnfill (GPOINTER_TO_INT (data) - strlen (pkg->key), ' '); |
---|
1389 | |
---|
1390 | printf ("%s%s%s - %s\n", |
---|
1391 | pkg->key, pad, pkg->name, pkg->description); |
---|
1392 | |
---|
1393 | g_free (pad); |
---|
1394 | } |
---|
1395 | } |
---|
1396 | |
---|
1397 | void |
---|
1398 | print_package_list (void) |
---|
1399 | { |
---|
1400 | int mlen = 0; |
---|
1401 | |
---|
1402 | g_hash_table_foreach (locations, max_len_foreach, &mlen); |
---|
1403 | g_hash_table_foreach (locations, packages_foreach, GINT_TO_POINTER (mlen + 1)); |
---|
1404 | } |
---|
1405 | |
---|