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-rw-r--r--strtou32.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/strtou32.c b/strtou32.c
index 336071a..8e20bb1 100644
--- a/strtou32.c
+++ b/strtou32.c
@@ -6,10 +6,10 @@
uint_least32_t
-libsimple_strtou32(const char *restrict nptr, char **restrict end, int base) /* TODO test, man */
+libsimple_strtou32(const char *restrict nptr, char **restrict end, int base)
{
uintmax_t r = strtoumax(nptr, end, base);
- if(r > RET_MAX) {
+ if (r > RET_MAX) {
r = RET_MAX;
errno = ERANGE;
}
@@ -23,6 +23,23 @@ libsimple_strtou32(const char *restrict nptr, char **restrict end, int base) /*
int
main(void)
{
+ char *e;
+ errno = 0;
+ assert(strtou32("0xFFFFFFFF", NULL, 0) == UINT32_C(0xFFFFFFFF) && !errno);
+ assert(strtou32("0xFFFFFFFF", NULL, 16) == UINT32_C(0xFFFFFFFF) && !errno);
+ assert(strtou32("FFFFFFFF", NULL, 16) == UINT32_C(0xFFFFFFFF) && !errno);
+ assert(strtou32("0xFFFFFFFF", NULL, 10) == 0 && !errno);
+ assert(strtou32("0xFFFFFFFF", &e, 0) == UINT32_C(0xFFFFFFFF) && !*e && !errno);
+ assert(strtou32("0xFFFFFFFF ", &e, 16) == UINT32_C(0xFFFFFFFF) && *e == ' ' && !errno);
+ assert(strtou32("0xFFFFFFFF", &e, 10) == 0 && *e == 'x' && !errno);
+ assert(strtou32("4294967295", &e, 10) == UINT32_C(0xFFFFFFFF) && !*e && !errno);
+ assert(strtou32("1234", &e, 10) == 1234 && !*e && !errno);
+ assert(strtou32("1234", &e, 8) == 01234 && !*e && !errno);
+ assert(strtou32("01234", &e, 0) == 01234 && !*e && !errno);
+ assert(strtou32("4294967296", &e, 10) == UINT32_C(4294967295) && !*e && errno == ERANGE);
+ errno = 0;
+ assert(!strtou32("1", &e, -10000) && errno == EINVAL);
+ errno = 0;
return 0;
}