65 строки
1.8 KiB
C
65 строки
1.8 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <errno.h>
|
|
|
|
void check_error() {
|
|
if (errno) {
|
|
printf("ERR %d\n", errno);
|
|
errno = 0;
|
|
}
|
|
}
|
|
|
|
int main() {
|
|
char* test_values[] = {
|
|
"-9223372036854775809",
|
|
"-9223372036854775808",
|
|
"-9223372036854775807",
|
|
"-2147483649",
|
|
"-2147483648",
|
|
"-2147483647",
|
|
"-5",
|
|
"-1",
|
|
"0",
|
|
"1",
|
|
"5",
|
|
"2147483646",
|
|
"2147483647",
|
|
"2147483648",
|
|
"4294967294",
|
|
"4294967295",
|
|
"4294967296",
|
|
"18446744073709551614",
|
|
"18446744073709551615",
|
|
"18446744073709551616",
|
|
};
|
|
|
|
for (int i = 0; i < sizeof(test_values) / sizeof(test_values[0]); i++) {
|
|
printf("strtol(\"%s\") = %ld\n", test_values[i], strtol(test_values[i], 0, 0));
|
|
check_error();
|
|
printf("strtoll(\"%s\") = %lld\n", test_values[i], strtoll(test_values[i], 0, 0));
|
|
check_error();
|
|
printf("strtoul(\"%s\") = %lu\n", test_values[i], strtoul(test_values[i], 0, 0));
|
|
check_error();
|
|
printf("strtoull(\"%s\") = %llu\n", test_values[i], strtoull(test_values[i], 0, 0));
|
|
check_error();
|
|
printf("\n");
|
|
}
|
|
|
|
printf("strtol(\"0x12\", 0, 0) = %ld\n", strtol("0x12", 0, 0));
|
|
printf("strtol(\"0x12\", 0, 10) = %ld\n", strtol("0x12", 0, 10));
|
|
printf("strtol(\"012\", 0, 0) = %ld\n", strtol("012", 0, 0));
|
|
printf("strtol(\"012\", 0, 10) = %ld\n", strtol("012", 0, 10));
|
|
printf("strtol(\"0y12\", 0, 0) = %ld\n", strtol("0y12", 0, 0));
|
|
printf("strtol(\"hello\", 0, 30) = %ld\n", strtol("hello", 0, 30));
|
|
printf("strtol(\"hello\", 0, 10) = %ld\n", strtol("hello", 0, 10));
|
|
printf("strtol(\"not-a-number\") = %ld\n", strtol("not-a-number", 0, 0));
|
|
|
|
char str[] = " 0x12end";
|
|
char* endptr;
|
|
printf("strtol(\" 0x12end\") = %ld\n", strtol(str, &endptr, 0));
|
|
printf("endptr - str = %d\n", endptr - str);
|
|
check_error();
|
|
|
|
return 0;
|
|
}
|