diff options
Diffstat (limited to 'libglusterfs/src/statedump.h')
-rw-r--r-- | libglusterfs/src/statedump.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/libglusterfs/src/statedump.h b/libglusterfs/src/statedump.h index 0a7a97e10d4..92246e1e37e 100644 --- a/libglusterfs/src/statedump.h +++ b/libglusterfs/src/statedump.h @@ -41,13 +41,18 @@ __attribute__ ((__format__ (__printf__, 3, 4))) static inline void _gf_proc_dump_build_key (char *key, const char *prefix, const char *fmt, ...) { - char buf[GF_DUMP_MAX_BUF_LEN] = { 0, }; va_list ap; + int32_t len; - va_start(ap, fmt); - vsnprintf(buf, GF_DUMP_MAX_BUF_LEN, fmt, ap); - va_end(ap); - snprintf(key, GF_DUMP_MAX_BUF_LEN, "%s.%s", prefix, buf); + len = snprintf(key, GF_DUMP_MAX_BUF_LEN, "%s.", prefix); + if (len >= 0) { + va_start(ap, fmt); + len = vsnprintf(key + len, GF_DUMP_MAX_BUF_LEN - len, fmt, ap); + va_end(ap); + } + if (len < 0) { + *key = 0; + } } #define gf_proc_dump_build_key(key, key_prefix, fmt...) \ |