[Mesa-dev] [PATCH 1/9] ralloc: Set *start in ralloc_vasprintf_rewrite_tail() if str is NULL.

[Matt Turner]

We were leaving it undefined, even though we were writing a string to
*str.
---
 src/util/ralloc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/util/ralloc.c b/src/util/ralloc.c
index e07fce7..bb4cf96 100644
--- a/src/util/ralloc.c
+++ b/src/util/ralloc.c
@@ -499,6 +499,7 @@ ralloc_vasprintf_rewrite_tail(char **str, size_t *start, const char *fmt,
    if (unlikely(*str == NULL)) {
       // Assuming a NULL context is probably bad, but it's expected behavior.
       *str = ralloc_vasprintf(NULL, fmt, args);
+      *start = strlen(*str);
       return true;
    }
 
-- 
2.4.9