diff options
Diffstat (limited to 'posix/regex.c')
| -rw-r--r-- | posix/regex.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/posix/regex.c b/posix/regex.c index 0fd1833cc7..13c70faa4c 100644 --- a/posix/regex.c +++ b/posix/regex.c @@ -241,9 +241,11 @@ init_syntax_once () #if HAVE_ALLOCA_H #include <alloca.h> #else /* not __GNUC__ or HAVE_ALLOCA_H */ +#if 0 /* It is a bad idea to declare alloca. We always cast the result. */ #ifndef _AIX /* Already did AIX, up at the top. */ char *alloca (); #endif /* not _AIX */ +#endif #endif /* not HAVE_ALLOCA_H */ #endif /* not __GNUC__ */ @@ -1379,11 +1381,13 @@ static reg_errcode_t compile_range (); if necessary. Also cast from a signed character in the constant string passed to us by the user to an unsigned char that we can use as an array index (in, e.g., `translate'). */ +#ifndef PATFETCH #define PATFETCH(c) \ do {if (p == pend) return REG_EEND; \ c = (unsigned char) *p++; \ - if (translate) c = translate[c]; \ + if (translate) c = (unsigned char) translate[c]; \ } while (0) +#endif /* Fetch the next character in the uncompiled pattern, with no translation. */ @@ -1400,7 +1404,10 @@ static reg_errcode_t compile_range (); cast the subscript to translate because some data is declared as `char *', to avoid warnings when a string constant is passed. But when we use a character as a subscript we must make it unsigned. */ -#define TRANSLATE(d) (translate ? translate[(unsigned char) (d)] : (d)) +#ifndef TRANSLATE +#define TRANSLATE(d) \ + (translate ? (char) translate[(unsigned char) (d)] : (d)) +#endif /* Macros for outputting the compiled pattern into `buffer'. */ @@ -1666,7 +1673,7 @@ regex_compile (pattern, size, syntax, bufp) const char *pend = pattern + size; /* How to translate the characters in the pattern. */ - char *translate = bufp->translate; + RE_TRANSLATE_TYPE translate = bufp->translate; /* Address of the count-byte of the most recently inserted `exactn' command. This makes it possible to tell if a new exact-match @@ -2832,7 +2839,7 @@ group_in_compile_stack (compile_stack, regnum) static reg_errcode_t compile_range (p_ptr, pend, translate, syntax, b) const char **p_ptr, *pend; - char *translate; + RE_TRANSLATE_TYPE translate; reg_syntax_t syntax; unsigned char *b; { @@ -3264,7 +3271,7 @@ re_search_2 (bufp, string1, size1, string2, size2, startpos, range, regs, stop) { int val; register char *fastmap = bufp->fastmap; - register char *translate = bufp->translate; + register RE_TRANSLATE_TYPE translate = bufp->translate; int total_size = size1 + size2; int endpos = startpos + range; @@ -3552,7 +3559,7 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop) unsigned char *just_past_start_mem = 0; /* We use this to map every character in the string. */ - char *translate = bufp->translate; + RE_TRANSLATE_TYPE translate = bufp->translate; /* Failure point stack. Each place that can handle a failure further down the line pushes a failure point on this stack. It consists of @@ -3951,7 +3958,8 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop) do { PREFETCH (); - if (translate[(unsigned char) *d++] != (char) *p++) + if ((unsigned char) translate[(unsigned char) *d++] + != (unsigned char) *p++) goto fail; } while (--mcnt); @@ -5073,7 +5081,7 @@ static int bcmp_translate (s1, s2, len, translate) unsigned char *s1, *s2; register int len; - char *translate; + RE_TRANSLATE_TYPE translate; { register unsigned char *p1 = s1, *p2 = s2; while (len) @@ -5245,7 +5253,9 @@ regcomp (preg, pattern, cflags) { unsigned i; - preg->translate = (char *) malloc (CHAR_SET_SIZE); + preg->translate + = (RE_TRANSLATE_TYPE) malloc (CHAR_SET_SIZE + * sizeof (*(RE_TRANSLATE_TYPE)0)); if (preg->translate == NULL) return (int) REG_ESPACE; |