On Thu, Oct 06, 2005 at 11:10:34PM +0300, Niko Tyni wrote:
> tags 292071 patch

Oops, forgot the attachment. Here it is for real.

Cheers,
-- 
Niko Tyni               [EMAIL PROTECTED]
#! /bin/sh /usr/share/dpatch/dpatch-run
## strerror.dpatch by Niko Tyni <[EMAIL PROTECTED]>
##
## All lines beginning with `## DP:' are a description of the patch.
## DP: Don't crash while printing a fatal error.

@DPATCH@
diff -urNad speedy-cgi-perl-2.22/src/speedy_util.c 
/tmp/dpep.ifgC6c/speedy-cgi-perl-2.22/src/speedy_util.c
--- speedy-cgi-perl-2.22/src/speedy_util.c      2005-10-06 21:36:00.974971661 
+0300
+++ /tmp/dpep.ifgC6c/speedy-cgi-perl-2.22/src/speedy_util.c     2005-10-06 
21:36:41.673012983 +0300
@@ -96,13 +96,42 @@
 }
 
 static void just_die(const char *fmt, va_list ap) {
+    /*
+     * All this strerror_r() stuff is here because
+     * including perl.h in some cases (Perl 5.8?) replaces 
+     * strerr() with a wrapper that needs an embedded perl 
+     * interpreter running. Otherwise we get SIGSEGV when 
+     * accessing interpreter-specific global variables for the
+     * strerror buffer
+     *
+     * Furthermore, there are two implementations of
+     * strerror_r() out there, with different prototypes.
+     */
+
     char buf[2048];
+#ifdef HAS_STRERROR_R
+    char errbuf[256];
+    int errsv;
+#endif
 
     sprintf(buf, "%s[%u]: ", SPEEDY_PROGNAME, (int)getpid());
     vsprintf(buf + strlen(buf), fmt, ap);
     if (errno) {
        strcat(buf, ": ");
+#ifdef HAS_STRERROR_R
+#ifdef _GNU_SOURCE
+       strcat(buf, strerror_r(errno, errbuf, sizeof(errbuf)));
+#else /* ! _GNU_SOURCE */
+       errsv = errno;
+       if (strerror_r(errsv, errbuf, sizeof(errbuf))
+           sprintf(buf + strlen(buf), "(errno = %d)", errsv);
+       else
+           strcat(buf, errbuf);
+    }
+#endif
+#else /* ! HAS_STRERROR_R */
        strcat(buf, strerror(errno));
+#endif /* HAS_STRERROR_R */
     }
     strcat(buf, "\n");
 #   ifdef SPEEDY_DEBUG

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