aboutsummaryrefslogtreecommitdiffstats
path: root/strtoi16.c
diff options
context:
space:
mode:
Diffstat (limited to 'strtoi16.c')
-rw-r--r--strtoi16.c27
1 files changed, 24 insertions, 3 deletions
diff --git a/strtoi16.c b/strtoi16.c
index 3d8cb44..e247e19 100644
--- a/strtoi16.c
+++ b/strtoi16.c
@@ -7,13 +7,13 @@
int_least16_t
-libsimple_strtoi16(const char *restrict nptr, char **restrict end, int base) /* TODO test, man */
+libsimple_strtoi16(const char *restrict nptr, char **restrict end, int base)
{
intmax_t r = strtoimax(nptr, end, base);
- if(r < RET_MIN) {
+ if (r < RET_MIN) {
r = RET_MIN;
errno = ERANGE;
- } else if(r > RET_MAX) {
+ } else if (r > RET_MAX) {
r = RET_MAX;
errno = ERANGE;
}
@@ -27,6 +27,27 @@ libsimple_strtoi16(const char *restrict nptr, char **restrict end, int base) /*
int
main(void)
{
+ char *e;
+ errno = 0;
+ assert(strtoi16("0x7FFF", NULL, 0) == INT16_C(0x7FFF) && !errno);
+ assert(strtoi16("0x7FFF", NULL, 16) == INT16_C(0x7FFF) && !errno);
+ assert(strtoi16("7FFF", NULL, 16) == INT16_C(0x7FFF) && !errno);
+ assert(strtoi16("0x7FFF", NULL, 10) == 0 && !errno);
+ assert(strtoi16("0x7FFF", &e, 0) == INT16_C(0x7FFF) && !*e && !errno);
+ assert(strtoi16("0x7FFF ", &e, 16) == INT16_C(0x7FFF) && *e == ' ' && !errno);
+ assert(strtoi16("0x7FFF", &e, 10) == 0 && *e == 'x' && !errno);
+ assert(strtoi16("32767", &e, 10) == INT16_C(0x7FFF) && !*e && !errno);
+ assert(strtoi16("-32767", &e, 10) == INT16_C(-32767) && !*e && !errno);
+ assert(strtoi16("-32768", &e, 10) == INT16_C(-32768) && !*e && !errno);
+ assert(strtoi16("1234", &e, 10) == 1234 && !*e && !errno);
+ assert(strtoi16("1234", &e, 8) == 01234 && !*e && !errno);
+ assert(strtoi16("01234", &e, 0) == 01234 && !*e && !errno);
+ assert(strtoi16("32768", &e, 10) == INT16_C(32767) && !*e && errno == ERANGE);
+ errno = 0;
+ assert(strtoi16("-32769", &e, 10) == INT16_C(-32768) && !*e && errno == ERANGE);
+ errno = 0;
+ assert(!strtoi16("1", &e, -10000) && errno == EINVAL);
+ errno = 0;
return 0;
}