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Author: Niko Tyni <ntyni@iki.fi>
Description: Don't crash while printing a fatal error.
--- a/src/speedy_util.c
+++ b/src/speedy_util.c
@@ -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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