[7756] | 1 | #include <stdio.h> |
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| 2 | #include <stdlib.h> |
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| 3 | #include <string.h> |
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| 4 | #include <sys/param.h> /* MAXPATHLEN */ |
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| 5 | #include <sys/types.h> |
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| 6 | #include <sys/stat.h> |
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| 7 | |
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| 8 | #define NUMCONVENTIONS 5 |
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| 9 | |
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| 10 | #ifdef ultrix |
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| 11 | #define HOSTTYPESET 1 |
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| 12 | #define HOSTTYPE "decmips" |
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| 13 | #endif |
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| 14 | |
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| 15 | #ifdef _IBMR2 |
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| 16 | #define HOSTTYPESET 1 |
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| 17 | #define HOSTTYPE "rsaix" |
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| 18 | #endif |
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| 19 | |
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| 20 | #ifdef SOLARIS |
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| 21 | #define HOSTTYPESET 1 |
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| 22 | #define HOSTTYPE "sun4" |
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| 23 | #endif |
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| 24 | |
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| 25 | #ifdef linux |
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| 26 | #define HOSTTYPESET 1 |
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| 27 | #define HOSTTYPE "linux" |
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| 28 | #endif |
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| 29 | |
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| 30 | /* |
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| 31 | * Don't define HOSTTYPE on platforms for which `machtype`bin was |
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| 32 | * never widely used. |
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| 33 | */ |
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| 34 | |
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| 35 | /* |
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| 36 | * This should be passed in as a compile flag. |
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| 37 | */ |
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| 38 | #ifndef ATHSYS |
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| 39 | #define ATHSYS "@sys" |
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| 40 | #endif |
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| 41 | |
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| 42 | char *athsys = ATHSYS; |
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| 43 | |
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| 44 | #ifdef HOSTTYPE |
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| 45 | int hosttypeset = 1; |
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| 46 | char *hosttype = HOSTTYPE; |
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| 47 | #else |
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| 48 | int hosttypeset = 0; |
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| 49 | char *hosttype = NULL; |
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| 50 | #endif |
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| 51 | |
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| 52 | char *progName; |
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| 53 | |
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| 54 | /* |
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| 55 | * Definition of known conventions and what flavors they are. |
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| 56 | */ |
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| 57 | |
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| 58 | typedef struct { |
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| 59 | char *name; |
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| 60 | int flavor; |
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| 61 | } Convention; |
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| 62 | |
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| 63 | #define ARCHflavor (1<<0) |
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| 64 | #define MACHflavor (1<<1) |
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| 65 | #define PLAINflavor (1<<2) |
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| 66 | #define SYSflavor (1<<3) |
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| 67 | #define DEPENDENTflavor (1<<8) |
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| 68 | #define INDEPENDENTflavor (1<<9) |
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| 69 | |
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| 70 | Convention conventions[NUMCONVENTIONS] = { |
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| 71 | { NULL, ARCHflavor | MACHflavor | PLAINflavor | |
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| 72 | DEPENDENTflavor | INDEPENDENTflavor }, |
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| 73 | { "%p/arch/%s/%t", ARCHflavor | DEPENDENTflavor }, |
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| 74 | { "%p/%s/%t", SYSflavor | DEPENDENTflavor }, |
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| 75 | { "%p/%m%t", MACHflavor | DEPENDENTflavor }, |
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| 76 | { "%p/%t", PLAINflavor | INDEPENDENTflavor } |
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| 77 | }; |
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| 78 | |
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| 79 | /* |
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| 80 | * Editorial tagging for what conventions are acceptable or |
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| 81 | * preferable for what types. |
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| 82 | */ |
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| 83 | |
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| 84 | typedef struct { |
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| 85 | char *type; |
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| 86 | int allowedFlavors; /* searching parameters */ |
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| 87 | int preferredFlavor; /* creating paramaters */ |
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| 88 | } Editorial; |
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| 89 | |
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| 90 | Editorial editorials[] = { |
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| 91 | { "bin", ARCHflavor | SYSflavor | MACHflavor, DEPENDENTflavor }, |
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| 92 | { "lib", ARCHflavor | SYSflavor | MACHflavor, DEPENDENTflavor }, |
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| 93 | { "etc", ARCHflavor | SYSflavor | MACHflavor, DEPENDENTflavor }, |
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| 94 | { "man", ARCHflavor | PLAINflavor, INDEPENDENTflavor }, |
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| 95 | { "include", ARCHflavor | PLAINflavor, INDEPENDENTflavor }, |
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| 96 | { NULL, ARCHflavor | PLAINflavor, DEPENDENTflavor } |
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| 97 | }; |
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| 98 | |
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| 99 | usage() |
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| 100 | { |
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| 101 | fprintf(stderr, "usage: %s path [type]\n", progName); |
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| 102 | fprintf(stderr, |
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| 103 | " or: %s [-t type] [-p path ...] [-e] [-c] [-l] [-d | -i]\n", |
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| 104 | progName); |
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| 105 | fprintf(stderr, |
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| 106 | " [-r recsep] [-f format] [-s sysname] [-m machtype]\n"); |
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| 107 | exit(1); |
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| 108 | } |
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| 109 | |
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| 110 | /* |
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| 111 | * path = template(dir, type, sys, machine) |
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| 112 | * %p = path (dir) |
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| 113 | * %t = type |
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| 114 | * %s = sys |
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| 115 | * %m = machine |
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| 116 | * %foo is inserted if the corresponding string is NULL. |
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| 117 | * If this happens, expand returns 1 (not a valid path). |
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| 118 | * Otherwise, expand returns 0. |
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| 119 | */ |
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| 120 | expand(path, template, dir, type, sys, machine) |
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| 121 | char *path, *template, *dir, *type, *sys, *machine; |
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| 122 | { |
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| 123 | char *src, *dst; |
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| 124 | int somenull = 0; |
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| 125 | |
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| 126 | src = template; |
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| 127 | dst = path; |
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| 128 | *dst = '\0'; |
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| 129 | |
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| 130 | while (*src != '\0') |
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| 131 | { |
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| 132 | if (*src != '%' && *src != '\0') |
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| 133 | *dst++ = *src++; |
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| 134 | else |
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| 135 | { |
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| 136 | |
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| 137 | #define copystring(casec, cases, string) \ |
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| 138 | case casec: \ |
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| 139 | src++; \ |
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| 140 | if (string) \ |
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| 141 | { \ |
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| 142 | strcpy(dst, string); \ |
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| 143 | dst += strlen(string); \ |
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| 144 | } \ |
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| 145 | else \ |
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| 146 | { \ |
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| 147 | strcpy(dst, cases); \ |
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| 148 | dst += 2; \ |
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| 149 | somenull = 1; \ |
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| 150 | } \ |
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| 151 | break; |
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| 152 | |
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| 153 | src++; |
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| 154 | switch(*src) |
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| 155 | { |
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| 156 | copystring('p', "%p", dir); |
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| 157 | copystring('t', "%t", type); |
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| 158 | copystring('s', "%s", sys); |
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| 159 | copystring('m', "%m", machine); |
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| 160 | |
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| 161 | #undef copystring |
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| 162 | |
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| 163 | case '\0': |
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| 164 | break; |
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| 165 | |
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| 166 | default: |
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| 167 | *dst++ = '%'; |
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| 168 | *dst++ = *src++; |
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| 169 | break; |
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| 170 | } |
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| 171 | } |
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| 172 | } |
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| 173 | |
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| 174 | *dst = '\0'; |
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| 175 | return somenull; |
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| 176 | } |
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| 177 | |
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| 178 | main(argc, argv) |
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| 179 | int argc; |
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| 180 | char **argv; |
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| 181 | { |
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| 182 | int numPaths = 0, eflag = 0, cflag = 0, lflag = 0, tflag = 0, |
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| 183 | sflag = 0, mflag = 0, dflag = 0, iflag = 0; |
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| 184 | int preferredFlavor = 0; |
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| 185 | char **pathList, *type = NULL, *tmp; |
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| 186 | char *recsep = NULL; |
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| 187 | char path[MAXPATHLEN]; |
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| 188 | struct stat statbuf; |
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| 189 | int i, j, t; |
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| 190 | int complete; |
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| 191 | int failed, status = 0, first = 1; |
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| 192 | |
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| 193 | progName = strrchr(argv[0], '/'); |
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| 194 | if (progName != NULL) |
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| 195 | progName++; |
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| 196 | else |
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| 197 | progName = argv[0]; |
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| 198 | |
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| 199 | if (argc == 1) |
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| 200 | usage(); |
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| 201 | |
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| 202 | if (argc) |
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| 203 | pathList = malloc((argc + 1) * sizeof(char *)); |
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| 204 | |
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| 205 | /* |
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| 206 | * ATHENA_SYS environment variable overrides hard-coded |
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| 207 | * value. |
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| 208 | */ |
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| 209 | tmp = getenv("ATHENA_SYS"); |
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[10171] | 210 | if (tmp != NULL && strchr(tmp, '/') == NULL) |
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[7756] | 211 | athsys = tmp; |
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| 212 | |
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| 213 | if (argv[1][0] != '-') |
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| 214 | { |
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| 215 | if (argc > 3) |
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| 216 | usage(); |
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| 217 | |
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| 218 | pathList[numPaths++] = argv[1]; |
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| 219 | |
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| 220 | if (argv[2]) |
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| 221 | { |
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| 222 | if (argv[2][0] == '-') |
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| 223 | usage(); |
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| 224 | |
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| 225 | type = argv[2]; |
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| 226 | } |
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| 227 | else |
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| 228 | type = "bin"; |
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| 229 | } |
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| 230 | else |
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| 231 | { |
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| 232 | argv++; |
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| 233 | |
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| 234 | while (*argv) |
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| 235 | { |
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| 236 | if (**argv != '-' || (*argv)[2] != '\0') |
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| 237 | { |
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| 238 | fprintf(stderr, "%s: unknown option: %s\n", progName, *argv); |
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| 239 | usage(); |
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| 240 | } |
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| 241 | |
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| 242 | switch((*argv)[1]) |
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| 243 | { |
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| 244 | |
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| 245 | #define repeatflag \ |
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| 246 | { \ |
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| 247 | fprintf(stderr, "%s: %s already specified.\n", \ |
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| 248 | progName, *argv); \ |
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| 249 | usage(); \ |
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| 250 | } |
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| 251 | |
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| 252 | case 't': |
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| 253 | if (tflag) |
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| 254 | repeatflag; |
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| 255 | argv++; |
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| 256 | if (*argv == NULL) |
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| 257 | usage(); |
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| 258 | type = *argv++; |
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| 259 | tflag++; |
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| 260 | break; |
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| 261 | |
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| 262 | case 'p': |
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| 263 | if (numPaths != 0) |
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| 264 | repeatflag; |
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| 265 | |
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| 266 | argv++; |
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| 267 | if (*argv == NULL) |
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| 268 | usage(); |
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| 269 | while (*argv != NULL && **argv != '-') |
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| 270 | pathList[numPaths++] = *argv++; |
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| 271 | break; |
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| 272 | |
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| 273 | case 'e': |
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| 274 | if (eflag) |
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| 275 | repeatflag; |
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| 276 | argv++; |
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| 277 | eflag++; |
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| 278 | break; |
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| 279 | |
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| 280 | case 'c': |
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| 281 | if (cflag) |
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| 282 | repeatflag; |
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| 283 | argv++; |
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| 284 | cflag++; |
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| 285 | break; |
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| 286 | |
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| 287 | case 'l': |
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| 288 | if (lflag) |
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| 289 | repeatflag; |
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| 290 | argv++; |
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| 291 | lflag++; |
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| 292 | break; |
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| 293 | |
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| 294 | case 's': |
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| 295 | if (sflag) |
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| 296 | repeatflag; |
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| 297 | argv++; |
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| 298 | if (*argv == NULL) |
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| 299 | usage(); |
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| 300 | athsys = *argv++; |
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| 301 | sflag++; |
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| 302 | break; |
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| 303 | |
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| 304 | case 'm': |
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| 305 | if (mflag) |
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| 306 | repeatflag; |
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| 307 | argv++; |
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| 308 | if (*argv == NULL) |
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| 309 | usage(); |
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| 310 | hosttype = *argv++; |
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| 311 | hosttypeset = 1; |
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| 312 | mflag++; |
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| 313 | break; |
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| 314 | |
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| 315 | case 'f': |
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| 316 | if (conventions[0].name) |
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| 317 | repeatflag; |
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| 318 | argv++; |
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| 319 | if (*argv == NULL) |
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| 320 | usage(); |
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| 321 | conventions[0].name = *argv++; |
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| 322 | break; |
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| 323 | |
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| 324 | case 'r': |
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| 325 | if (recsep != NULL) |
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| 326 | repeatflag; |
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| 327 | argv++; |
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| 328 | if (*argv == NULL) |
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| 329 | usage(); |
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| 330 | recsep = *argv++; |
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| 331 | break; |
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| 332 | |
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| 333 | case 'd': |
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| 334 | if (dflag) |
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| 335 | repeatflag; |
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| 336 | argv++; |
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| 337 | dflag++; |
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| 338 | preferredFlavor = DEPENDENTflavor; |
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| 339 | break; |
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| 340 | |
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| 341 | case 'i': |
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| 342 | if (iflag) |
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| 343 | repeatflag; |
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| 344 | argv++; |
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| 345 | iflag++; |
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| 346 | preferredFlavor = INDEPENDENTflavor; |
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| 347 | break; |
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| 348 | |
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| 349 | default: |
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| 350 | fprintf(stderr, "%s: unknown option: %s\n", progName, *argv); |
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| 351 | usage(); |
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| 352 | break; |
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| 353 | } |
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| 354 | } |
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| 355 | } |
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| 356 | |
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| 357 | if (!numPaths) |
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| 358 | pathList[numPaths++] = NULL; |
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| 359 | |
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| 360 | if (!recsep) |
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| 361 | recsep = "\n"; |
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| 362 | |
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| 363 | /* |
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| 364 | * You are in a twisty little maze of interconnecting |
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| 365 | * command line options, all different. |
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| 366 | */ |
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| 367 | for (i = 0; i < numPaths; i++) |
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| 368 | { |
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| 369 | /* Find matching editorial. */ |
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| 370 | for (t = 0; editorials[t].type != NULL; t++) |
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| 371 | if (type != NULL && |
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| 372 | !strcmp(type, editorials[t].type)) |
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| 373 | break; |
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| 374 | |
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| 375 | if (!preferredFlavor) |
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| 376 | preferredFlavor = editorials[t].preferredFlavor; |
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| 377 | |
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| 378 | failed = 1; |
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| 379 | |
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| 380 | /* Cycle through matching conventions */ |
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| 381 | for (j = 0; j < NUMCONVENTIONS; j++) |
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| 382 | { |
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| 383 | if (conventions[j].name == NULL) |
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| 384 | continue; /* User specified convention is not set. */ |
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| 385 | |
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| 386 | if (/* -e: explicit editorial override */ |
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| 387 | eflag || |
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| 388 | |
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| 389 | /* -d, -i also imply override, but only have meaning with -c */ |
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| 390 | ((dflag || iflag) && cflag) || |
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| 391 | |
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| 392 | /* otherwise, we make our editorial comments */ |
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| 393 | (editorials[t].allowedFlavors & conventions[j].flavor)) |
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| 394 | { |
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| 395 | if (cflag && |
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| 396 | !(preferredFlavor & conventions[j].flavor)) |
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| 397 | continue; |
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| 398 | |
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| 399 | complete = !expand(path, conventions[j].name, |
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| 400 | pathList[i], type, athsys, hosttype); |
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| 401 | |
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| 402 | if (lflag || |
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| 403 | (cflag && complete)) |
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| 404 | { |
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| 405 | if (!first) |
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| 406 | fprintf(stdout, "%s", recsep); |
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| 407 | fprintf(stdout, "%s", path); |
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| 408 | first = 0; |
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| 409 | failed = 0; |
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| 410 | if (cflag) |
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| 411 | break; |
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| 412 | } |
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| 413 | |
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| 414 | if (complete && !lflag && !cflag && |
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| 415 | !stat(path, &statbuf)) |
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| 416 | { |
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| 417 | if (!first) |
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| 418 | fprintf(stdout, "%s", recsep); |
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| 419 | fprintf(stdout, "%s", path); |
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| 420 | first = 0; |
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| 421 | failed = 0; |
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| 422 | break; |
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| 423 | } |
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| 424 | } |
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| 425 | } |
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| 426 | if (failed) |
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| 427 | status = 1; |
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| 428 | } |
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| 429 | |
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| 430 | if (!first) |
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| 431 | fprintf(stdout, "\n"); |
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| 432 | |
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| 433 | #ifdef DEBUG |
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| 434 | fprintf(stdout, "%s ", progName); |
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| 435 | if (type != NULL) |
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| 436 | fprintf(stdout, "-t %s ", type); |
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| 437 | if (numPaths) |
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| 438 | { |
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| 439 | fprintf(stdout, "-p "); |
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| 440 | for (i = 0; i < numPaths; i++) |
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| 441 | fprintf(stdout, "%s ", pathList[i]); |
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| 442 | } |
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| 443 | if (eflag) |
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| 444 | fprintf(stdout, "-e "); |
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| 445 | if (cflag) |
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| 446 | fprintf(stdout, "-c "); |
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| 447 | if (lflag) |
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| 448 | fprintf(stdout, "-l "); |
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| 449 | fprintf(stdout, "\n"); |
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| 450 | #endif |
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| 451 | |
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| 452 | exit(status); |
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| 453 | } |
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