From: Stefan Monnier <monnier@iro.umontreal.ca>
Date: Tue, 20 Jun 2000 16:48:05 +0000 (+0000)
Subject: (re_match, re_match_2): Protect calls to alloca (0).
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1d7122be37d5b0197fed436497c5d2b5df809859;p=pspp

(re_match, re_match_2): Protect calls to alloca (0).
(re_comp): Cast gettext return value to avoid complaints when
!HAVE_LIBINTL.
---

diff --git a/regex.c b/regex.c
index 2e06d0edea..1b796c0888 100644
--- a/regex.c
+++ b/regex.c
@@ -4291,7 +4291,9 @@ re_match (bufp, string, size, pos, regs)
 {
   int result = re_match_2_internal (bufp, NULL, 0, string, size,
 				    pos, regs, size);
+#if defined (C_ALLOCA) && !defined (REGEX_MALLOC)
   alloca (0);
+#endif
   return result;
 }
 #endif /* not emacs */
@@ -4335,7 +4337,9 @@ re_match_2 (bufp, string1, size1, string2, size2, pos, regs, stop)
 
   result = re_match_2_internal (bufp, string1, size1, string2, size2,
 				pos, regs, stop);
+#if defined (C_ALLOCA) && !defined (REGEX_MALLOC)
   alloca (0);
+#endif
   return result;
 }
 
@@ -5593,7 +5597,8 @@ re_comp (s)
   if (!s)
     {
       if (!re_comp_buf.buffer)
-	return gettext ("No previous regular expression");
+        /* Yes, we're discarding `const' here if !HAVE_LIBINTL.  */
+	return (char *) gettext ("No previous regular expression");
       return 0;
     }
 
@@ -5601,12 +5606,14 @@ re_comp (s)
     {
       re_comp_buf.buffer = (unsigned char *) malloc (200);
       if (re_comp_buf.buffer == NULL)
-        return gettext (re_error_msgid[(int) REG_ESPACE]);
+        /* Yes, we're discarding `const' here if !HAVE_LIBINTL.  */
+        return (char *) gettext (re_error_msgid[(int) REG_ESPACE]);
       re_comp_buf.allocated = 200;
 
       re_comp_buf.fastmap = (char *) malloc (1 << BYTEWIDTH);
       if (re_comp_buf.fastmap == NULL)
-	return gettext (re_error_msgid[(int) REG_ESPACE]);
+	/* Yes, we're discarding `const' here if !HAVE_LIBINTL.  */
+	return (char *) gettext (re_error_msgid[(int) REG_ESPACE]);
     }
 
   /* Since `re_exec' always passes NULL for the `regs' argument, we