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| author | Keir Fraser <keir@xensource.com> | 2007-06-10 19:58:22 +0100 |
|---|---|---|
| committer | Keir Fraser <keir@xensource.com> | 2007-06-10 19:58:22 +0100 |
| commit | 840f138cfaa1a591ebf3bc330e29aa872340443a (patch) | |
| tree | c86e1fa2311e25d7a2b0b71fbf3c22f68e548e7b /tools/xenstore/utils.c | |
| parent | ebb19b1cc8cc27171f338c8ca2ea91fdc71f897e (diff) | |
| download | xen-840f138cfaa1a591ebf3bc330e29aa872340443a.tar.gz xen-840f138cfaa1a591ebf3bc330e29aa872340443a.tar.bz2 xen-840f138cfaa1a591ebf3bc330e29aa872340443a.zip | |
tools: Fix xenstored build error by checking vasprintf() return code.
Signed-off-by: Charles Coffing <ccoffing@novell.com>
Diffstat (limited to 'tools/xenstore/utils.c')
| -rw-r--r-- | tools/xenstore/utils.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/tools/xenstore/utils.c b/tools/xenstore/utils.c index 6655777bcd..16f87cdc05 100644 --- a/tools/xenstore/utils.c +++ b/tools/xenstore/utils.c @@ -27,33 +27,38 @@ void xprintf(const char *fmt, ...) void barf(const char *fmt, ...) { char *str; + int bytes; va_list arglist; xprintf("FATAL: "); va_start(arglist, fmt); - vasprintf(&str, fmt, arglist); + bytes = vasprintf(&str, fmt, arglist); va_end(arglist); - xprintf("%s\n", str); - free(str); + if (bytes >= 0) { + xprintf("%s\n", str); + free(str); + } exit(1); } void barf_perror(const char *fmt, ...) { char *str; - int err = errno; + int bytes, err = errno; va_list arglist; xprintf("FATAL: "); va_start(arglist, fmt); - vasprintf(&str, fmt, arglist); + bytes = vasprintf(&str, fmt, arglist); va_end(arglist); - xprintf("%s: %s\n", str, strerror(err)); - free(str); + if (bytes >= 0) { + xprintf("%s: %s\n", str, strerror(err)); + free(str); + } exit(1); } |