diff options
| -rw-r--r-- | src/str.c | 9 |
1 files changed, 7 insertions, 2 deletions
@@ -410,18 +410,23 @@ str_vsprintf(ld_string_t *dest, const char *format, va_list ap) { int len; isc_result_t result; + va_list backup; REQUIRE(dest != NULL); REQUIRE(format != NULL); + va_copy(backup, ap); len = vsnprintf(dest->data, dest->allocated, format, ap); if (len > 0) { CHECK(str_alloc(dest, len)); - len = vsnprintf(dest->data, dest->allocated, format, ap); + len = vsnprintf(dest->data, dest->allocated, format, backup); } + va_end(backup); - if (len < 0) + if (len < 0) { result = ISC_R_FAILURE; + goto cleanup; + } return ISC_R_SUCCESS; |