diff options
Diffstat (limited to 'strtoi32.c')
| -rw-r--r-- | strtoi32.c | 27 |
1 files changed, 24 insertions, 3 deletions
@@ -7,13 +7,13 @@ int_least32_t -libsimple_strtoi32(const char *restrict nptr, char **restrict end, int base) /* TODO test, man */ +libsimple_strtoi32(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_strtoi32(const char *restrict nptr, char **restrict end, int base) /* int main(void) { + char *e; + errno = 0; + assert(strtoi32("0x7FFFFFFF", NULL, 0) == INT32_C(0x7FFFFFFF) && !errno); + assert(strtoi32("0x7FFFFFFF", NULL, 16) == INT32_C(0x7FFFFFFF) && !errno); + assert(strtoi32("7FFFFFFF", NULL, 16) == INT32_C(0x7FFFFFFF) && !errno); + assert(strtoi32("0x7FFFFFFF", NULL, 10) == 0 && !errno); + assert(strtoi32("0x7FFFFFFF", &e, 0) == INT32_C(0x7FFFFFFF) && !*e && !errno); + assert(strtoi32("0x7FFFFFFF ", &e, 16) == INT32_C(0x7FFFFFFF) && *e == ' ' && !errno); + assert(strtoi32("0x7FFFFFFF", &e, 10) == 0 && *e == 'x' && !errno); + assert(strtoi32("2147483647", &e, 10) == INT32_C(0x7FFFFFFF) && !*e && !errno); + assert(strtoi32("-2147483647", &e, 10) == INT32_C(-2147483647) && !*e && !errno); + assert(strtoi32("-2147483648", &e, 10) == INT32_C(-2147483648) && !*e && !errno); + assert(strtoi32("1234", &e, 10) == 1234 && !*e && !errno); + assert(strtoi32("1234", &e, 8) == 01234 && !*e && !errno); + assert(strtoi32("01234", &e, 0) == 01234 && !*e && !errno); + assert(strtoi32("2147483648", &e, 10) == INT32_C(2147483647) && !*e && errno == ERANGE); + errno = 0; + assert(strtoi32("-2147483649", &e, 10) == INT32_C(-2147483648) && !*e && errno == ERANGE); + errno = 0; + assert(!strtoi32("1", &e, -10000) && errno == EINVAL); + errno = 0; return 0; } |