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Fix unlikely overflow in transform.c

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* src/transform.c (_single_transform_name_to_obstack):
Use xinmalloc to check for integer overflow.
This commit is contained in:
Paul Eggert
2024-07-30 08:32:55 -07:00
parent 7079fc369b
commit 91ee466c8a
1 changed files with 1 additions and 2 deletions
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3
src/transform.c
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@@ -458,7 +458,6 @@ run_case_conv (enum case_ctl_type case_ctl, char *ptr, size_t size)
static void
_single_transform_name_to_obstack (struct transform *tf, char *input)
{
regmatch_t *rmp;
int rc;
size_t nmatches = 0;
enum case_ctl_type case_ctl = ctl_stop, /* Current case conversion op */
@@ -472,7 +471,7 @@ _single_transform_name_to_obstack (struct transform *tf, char *input)
save_ctl = ctl_stop; \
}
rmp = xmalloc ((tf->regex.re_nsub + 1) * sizeof (*rmp));
regmatch_t *rmp = xinmalloc (tf->regex.re_nsub + 1, sizeof *rmp);
while (*input)
{