Timerix/utf8proc
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Fix overrun

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This commit is contained in:
Michaël Meyer
2016-02-04 04:01:19 +01:00
parent ec0daa50bb
commit 1f17487aa9
5 changed files with 14 additions and 8 deletions
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10
test/iterate.c
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@@ -13,11 +13,17 @@ static void testbytes(unsigned char *buf, int len, utf8proc_ssize_t retval, int
utf8proc_int32_t out[16];
utf8proc_ssize_t ret;
/* Make a copy to ensure that memory is left uninitialized after "len"
* bytes. This way, Valgrind can detect overreads.
*/
unsigned char tmp[16];
memcpy(tmp, buf, len);
tests++;
if ((ret = utf8proc_iterate(buf, len, out)) != retval) {
if ((ret = utf8proc_iterate(tmp, len, out)) != retval) {
fprintf(stderr, "Failed (%d):", line);
for (int i = 0; i < len ; i++) {
fprintf(stderr, " 0x%02x", buf[i]);
fprintf(stderr, " 0x%02x", tmp[i]);
}
fprintf(stderr, " -> %zd\n", ret);
error++;