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dlltool: sprintf sanitizer null destination pointer

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* dlltool.c (gen_lib_file): Avoid bogus sanitizer error.
This commit is contained in:
Alan Modra 2023-08-03 08:15:12 +09:30
parent d191eacb7b
commit e2e7c52613
1 changed files with 5 additions and 3 deletions
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8
binutils/dlltool.c
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@ -3089,20 +3089,22 @@ gen_lib_file (int delay)
if (dontdeltemps < 2)
{
char *name;
size_t stub_len = strlen (TMP_STUB);
name = xmalloc (strlen (TMP_STUB) + 10);
name = xmalloc (stub_len + 10);
memcpy (name, TMP_STUB, stub_len);
for (i = 0; (exp = d_exports_lexically[i]); i++)
{
/* Don't delete non-existent stubs for PRIVATE entries. */
if (exp->private)
continue;
sprintf (name, "%s%05d.o", TMP_STUB, i);
sprintf (name + stub_len, "%05d.o", i);
if (unlink (name) < 0)
/* xgettext:c-format */
non_fatal (_("cannot delete %s: %s"), name, strerror (errno));
if (ext_prefix_alias)
{
sprintf (name, "%s%05d.o", TMP_STUB, i + PREFIX_ALIAS_BASE);
sprintf (name + stub_len, "%05d.o", i + PREFIX_ALIAS_BASE);
if (unlink (name) < 0)
/* xgettext:c-format */
non_fatal (_("cannot delete %s: %s"), name, strerror (errno));