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-rw-r--r--assert/assert-perr.c36
1 files changed, 21 insertions, 15 deletions
diff --git a/assert/assert-perr.c b/assert/assert-perr.c
index 597ac5efb4..1342207c02 100644
--- a/assert/assert-perr.c
+++ b/assert/assert-perr.c
@@ -22,6 +22,7 @@
#include <stdlib.h>
#include <string.h>
#include <sysdep.h>
+#include <unistd.h>
extern const char *__progname;
@@ -53,25 +54,30 @@ __assert_perror_fail (int errnum,
FATAL_PREPARE;
#endif
- (void) __asprintf (&buf, _("%s%s%s:%u: %s%sUnexpected error: %s.\n"),
- __progname, __progname[0] ? ": " : "",
- file, line,
- function ? function : "", function ? ": " : "",
- __strerror_r (errnum, errbuf, sizeof errbuf));
-
- /* Print the message. */
+ if (__asprintf (&buf, _("%s%s%s:%u: %s%sUnexpected error: %s.\n"),
+ __progname, __progname[0] ? ": " : "",
+ file, line,
+ function ? function : "", function ? ": " : "",
+ __strerror_r (errnum, errbuf, sizeof errbuf)) >= 0)
+ {
+ /* Print the message. */
#ifdef USE_IN_LIBIO
- if (_IO_fwide (stderr, 0) > 0)
- (void) __fwprintf (stderr, L"%s", buf);
- else
+ if (_IO_fwide (stderr, 0) > 0)
+ (void) __fwprintf (stderr, L"%s", buf);
+ else
#endif
- (void) fputs (buf, stderr);
+ (void) fputs (buf, stderr);
- (void) fflush (stderr);
+ (void) fflush (stderr);
- /* We have to free the buffer since the appplication might catch the
- SIGABRT. */
- free (buf);
+ /* We have to free the buffer since the appplication might catch the
+ SIGABRT. */
+ free (buf);
+ }
+ else
+ /* At least print a minimal message. */
+#define STR_N_LEN(str) str, sizeof (str) - 1
+ __libc_write (STDERR_FILENO, STR_N_LEN ("Unexpected error.\n"));
abort ();
}