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fixup warnings with sign

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This commit is contained in:
Klas Lindfors 2015-03-30 15:23:51 +02:00
parent 9c913fd97e
commit c2a6b9c948
1 changed files with 2 additions and 3 deletions
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5
util.c
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@ -306,13 +306,12 @@ get_user_challenge_file(YK_KEY *yk, const char *chalresp_path, const char *usern
filename = username;
} else {
/* We have serial number */
int len;
/* 0xffffffff == 4294967295 == 10 digits */
len = strlen(chalresp_path == NULL ? "challenge" : username) + 1 + 10 + 1;
size_t len = strlen(chalresp_path == NULL ? "challenge" : username) + 1 + 10 + 1;
if ((ptr = malloc(len)) != NULL) {
int res = snprintf(ptr, len, "%s-%u", chalresp_path == NULL ? "challenge" : username, serial);
filename = ptr;
if (res < 0 || res > len) {
if (res < 0 || (unsigned long)res > len) {
/* Not enough space, strangely enough. */
free(ptr);
filename = NULL;