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-rw-r--r--posix/regex.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/posix/regex.c b/posix/regex.c
index 65f9599b8d..8b66cd6c5a 100644
--- a/posix/regex.c
+++ b/posix/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 file is part of the GNU C Library. Its master source is NOT part of
the C library, however. The master source lives in /gd/gnu/lib.
@@ -5183,7 +5183,7 @@ 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;
@@ -5237,6 +5237,15 @@ 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. */