From: Jim Meyering Date: Thu, 27 Apr 1995 05:23:35 +0000 (+0000) Subject: (REGEX_FREE): Add back the `while (0)' hack X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8f660e261fd1f0ed2c37514c6fc0bdb785880001;p=pspp (REGEX_FREE): Add back the `while (0)' hack Put back ifdefs to protect unnecessary decl. --- diff --git a/lib/regex.c b/lib/regex.c index c17ff8cd0b..37e67c6bec 100644 --- a/lib/regex.c +++ b/lib/regex.c @@ -246,7 +246,7 @@ char *alloca (); destination) /* No need to do anything to free, after alloca. */ -#define REGEX_FREE(arg) (0) +#define REGEX_FREE(arg) while (0) #endif /* not REGEX_MALLOC */ @@ -2865,7 +2865,9 @@ re_compile_fastmap (bufp) /* This holds the pointer to the failure stack, when it is allocated relocatably. */ +#ifdef REL_ALLOC_STMT fail_stack_elt_t *failure_stack_ptr; +#endif /* Assume that each path through the pattern can be null until proven otherwise. We set this false at the bottom of switch @@ -3516,7 +3518,9 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop) /* This holds the pointer to the failure stack, when it is allocated relocatably. */ +#ifdef REL_ALLOC_STMT fail_stack_elt_t *failure_stack_ptr; +#endif /* We fill all the registers internally, independent of what we return, for use in backreferences. The number here includes