| 1 | /* Copyright (C) 1988 Tim Shepard All rights reserved. */ |
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| 2 | |
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| 3 | #if defined(_AIX) || defined(_AUX_SOURCE) |
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| 4 | #define alloca malloc |
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| 5 | #define freea free |
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| 6 | #else |
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| 7 | #ifndef ultrix |
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| 8 | /* Under Ultrix cc (4.2a), including alloca.h gets the compiler built-in |
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| 9 | version, which isn't smart enough for this program. */ |
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| 10 | #include <alloca.h> |
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| 11 | #endif |
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| 12 | #define freea(x) |
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| 13 | #endif |
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| 14 | |
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| 15 | #if defined(_AUX_SOURCE) |
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| 16 | #define NO_RLIMIT |
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| 17 | #define NO_LINEBUF |
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| 18 | #endif |
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| 19 | |
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| 20 | #include <ctype.h> |
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| 21 | #define MAXNRULES 2000 |
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| 22 | |
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| 23 | #ifdef FALSE |
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| 24 | #undef FALSE |
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| 25 | #endif |
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| 26 | #ifdef TRUE |
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| 27 | #undef TRUE |
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| 28 | #endif |
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| 29 | typedef enum bool { FALSE, TRUE} bool; |
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| 30 | |
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| 31 | |
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| 32 | typedef struct boolstruct { |
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| 33 | enum boolexp_type { VARIABLE, UNARY, BINARY } type; |
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| 34 | enum bool_operator { NOT, AND, OR } op; |
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| 35 | char *variable; |
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| 36 | struct boolstruct *left; |
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| 37 | struct boolstruct *right; |
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| 38 | } *bool_exp; |
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| 39 | |
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| 40 | bool_exp bool_var(); |
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| 41 | bool_exp bool_not(); |
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| 42 | bool_exp bool_and(); |
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| 43 | bool_exp bool_or(); |
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| 44 | void bool_free(); |
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| 45 | bool bool_eval(); |
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| 46 | bool getvar(); |
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| 47 | |
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| 48 | |
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| 49 | typedef struct { |
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| 50 | enum rule_type { R_MAP, R_CHASE, R_ACTION, R_WHEN, |
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| 51 | R_IF, R_IF_ELSE, R_SKIP, |
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| 52 | R_FRAMEMARKER } type; |
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| 53 | union { struct { char *globexp; |
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| 54 | unsigned int file_types; |
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| 55 | char **dests; |
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| 56 | } u_map; |
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| 57 | struct { char *globexp; } u_chase; |
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| 58 | struct { enum action_type |
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| 59 | { ACTION_COPY, ACTION_LOCAL, ACTION_LINK, |
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| 60 | ACTION_DELETE, ACTION_IGNORE } type; |
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| 61 | char *globexp; |
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| 62 | unsigned int file_types; |
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| 63 | unsigned int options; |
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| 64 | } u_action; |
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| 65 | struct { enum when_type { WHEN_SH, WHEN_CSH } type; |
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| 66 | char *globexp; |
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| 67 | unsigned int file_types; |
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| 68 | char **cmds; |
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| 69 | } u_when; |
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| 70 | struct { bool_exp boolexp; |
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| 71 | int first; |
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| 72 | bool inactive; /* this is not filled in by readrules */ |
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| 73 | } u_if; |
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| 74 | struct { int first; |
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| 75 | } u_skip; |
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| 76 | } u; |
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| 77 | } rule; |
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| 78 | |
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| 79 | #define letternum(c) (c - (isupper(c)? 'A':'a')) |
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| 80 | #define set_option(bf,c) (bf |= (0x01 << letternum(c))) |
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| 81 | #define option_on(rno,c) ((bool) ((rules[rno].type == R_ACTION)? \ |
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| 82 | (((rules[rno].u.u_action.options) >> letternum(c)) & 0x01): \ |
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| 83 | panic("option_on: rules[rno].type is not R_ACTION"))) |
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| 84 | |
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| 85 | /* definitions for 'types' field */ |
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| 86 | #define TYPE_D 0x01 |
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| 87 | #define TYPE_C 0x02 |
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| 88 | #define TYPE_B 0x04 |
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| 89 | #define TYPE_R 0x08 |
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| 90 | #define TYPE_L 0x10 |
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| 91 | #define TYPE_S 0x20 |
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| 92 | #define TYPE_X 0x40 |
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| 93 | #define TYPE_V 0x80 |
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| 94 | #define TYPE_ALL (TYPE_D|TYPE_C|TYPE_B|TYPE_R|TYPE_L|TYPE_S|TYPE_V) |
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| 95 | |
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| 96 | #define hastype(bf,tp) ((bool) ((bf & tp) != 0)) |
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| 97 | |
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| 98 | |
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| 99 | /* now implemented as a procedure in rules.c |
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| 100 | #define newrule() { if (++lastrule == MAXNRULES) { \ |
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| 101 | fprintf(stderr,"Too many rules.\n"); \ |
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| 102 | exit(1); }} |
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| 103 | */ |
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| 104 | void newrule(); |
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| 105 | #define lstrule rules[lastrule] |
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| 106 | |
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| 107 | |
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| 108 | /* definitions for 'rflag' variable */ |
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| 109 | #define RFLAG_SCAN_TARGET 0x01 /* Target directory scan necessary */ |
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