perf: add test for writing the index

diff --git a/compat/qsort.c b/compat/qsort.c
index d93dce2cf8fa33bd1fbefe131d2e41a6b954da61..7d071afb70530ede222ed9cdb4645baf4277fb79 100644 (file)
--- a/compat/qsort.c
+++ b/compat/qsort.c
@@ -47,7 +47,7 @@ static void msort_with_tmp(void *b, size_t n, size_t s,
 void git_qsort(void *b, size_t n, size_t s,
               int (*cmp)(const void *, const void *))
 {
-       const size_t size = n * s;
+       const size_t size = st_mult(n, s);
        char buf[1024];
 
        if (size < sizeof(buf)) {
@@ -55,7 +55,7 @@ void git_qsort(void *b, size_t n, size_t s,
                msort_with_tmp(b, n, s, cmp, buf);
        } else {
                /* It's somewhat large, so malloc it.  */
-               char *tmp = malloc(size);
+               char *tmp = xmalloc(size);
                msort_with_tmp(b, n, s, cmp, tmp);
                free(tmp);
        }