diff options
| -rw-r--r-- | text.c | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -643,12 +643,15 @@ bool text_printf(Text *txt, size_t pos, const char *format, ...) { } bool text_vprintf(Text *txt, size_t pos, const char *format, va_list ap) { + va_list ap_save; + va_copy(ap_save, ap); int len = vsnprintf(NULL, 0, format, ap); if (len == -1) return false; char *buf = malloc(len+1); - bool ret = buf && (vsnprintf(buf, len+1, format, ap) == len) && text_insert(txt, pos, buf, len); + bool ret = buf && (vsnprintf(buf, len+1, format, ap_save) == len) && text_insert(txt, pos, buf, len); free(buf); + va_end(ap_save); return ret; } |