From: Roland McGrath Date: Fri, 24 May 1996 18:33:30 +0000 (+0000) Subject: Tue May 21 19:18:05 1996 Roland McGrath X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b53893bd66c6a45c9bc5df540f571e2fa57fb2e;p=pspp Tue May 21 19:18:05 1996 Roland McGrath * regex.c [_LIBC] (re_comp, re_exec): Define these, but weakly. --- diff --git a/regex.c b/regex.c index c0a854a9ea..e4d4e13b42 100644 --- a/regex.c +++ b/regex.c @@ -3,7 +3,7 @@ (Implements POSIX draft P10003.2/D11.2, except for internationalization features.) - Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc. + Copyright (C) 1993, 1994, 1995, 1996 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -5180,7 +5180,7 @@ re_compile_pattern (pattern, length, bufp) /* Entry points compatible with 4.2 BSD regex library. We don't define them unless specifically requested. */ -#ifdef _REGEX_RE_COMP +#if defined (_REGEX_RE_COMP) || defined (_LIBC) /* BSD has one and only one pattern buffer. */ static struct re_pattern_buffer re_comp_buf; @@ -5234,6 +5234,15 @@ re_exec (s) return 0 <= re_search (&re_comp_buf, s, len, 0, len, (struct re_registers *) 0); } + +#ifdef _LIBC +/* Make these definitions weak in libc, so POSIX programs can redefine + these names if they don't use our functions, and still use + regcomp/regexec below without link errors. */ +weak_symbol (re_comp) +weak_symbol (re_exec) +#endif + #endif /* _REGEX_RE_COMP */ /* POSIX.2 functions. Don't define these for Emacs. */