scc

simple c99 compiler
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commit 93f02dd35b1cd55e620f244bff9d0e4cb71e656c
parent f883479c0b091d0f65d48430dfe7205d54e623ac
Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date:   Thu, 30 Apr 2026 23:07:07 +0200

tests/libc: Add 0088-strtoul

Diffstat:
Mtests/libc/execute/.gitignore | 1+
Atests/libc/execute/0088-stroul.c | 76++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Mtests/libc/execute/libc-tests.lst | 1+
3 files changed, 78 insertions(+), 0 deletions(-)

diff --git a/tests/libc/execute/.gitignore b/tests/libc/execute/.gitignore @@ -86,3 +86,4 @@ test.log 0085-strtold 0086-strtol 0087-stroll +0088-stroul diff --git a/tests/libc/execute/0088-stroul.c b/tests/libc/execute/0088-stroul.c @@ -0,0 +1,76 @@ +#include <assert.h> +#include <errno.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> + +/* +output: +testing +done +end: +*/ + + +int +test(void) +{ + unsigned long n; + char buf[64], *endp; + + errno = 0; + n = strtoul("1024", NULL, 10); + assert(n == 1024 && errno == 0); + + n = strtoul("1024", &endp, 10); + assert(n == 1024 && errno == 0 && *endp == '\0'); + + n = strtoul("1000", &endp, 10); + assert(n == 1000 && errno == 0 && *endp == '\0'); + + n = strtoul("1000", &endp, 8); + assert(n == 512 && errno == 0 && *endp == '\0'); + + n = strtoul("1000", &endp, 16); + assert(n == 4096 && errno == 0 && *endp == '\0'); + + n = strtoul("1000", &endp, 0); + assert(n == 1000 && errno == 0 && *endp == '\0'); + + n = strtoul("0x1000", &endp, 0); + assert(n == 4096 && errno == 0 && *endp == '\0'); + + n = strtoul("01000", &endp, 0); + assert(n == 512 && errno == 0 && *endp == '\0'); + + n = strtoul(" +1a", &endp, 0); + assert(n == 1 && errno == 0 && *endp == 'a'); + + n = strtoul(" -1a", &endp, 0); + assert(n == -1 && errno == 0 && *endp == 'a'); + + sprintf(buf, "%lu", ULONG_MAX); + n = strtoul(buf, NULL, 10); + assert(n == ULONG_MAX && errno == 0); + + sprintf(buf, "%ld", LONG_MIN); + n = strtoul(buf, NULL, 10); + assert(n == LONG_MIN && errno == 0); + + n = strtoul("9999999999999999999999999", NULL, 10); + assert(n == ULONG_MAX && errno == ERANGE); + + errno = 0; + n = strtoul("-999999999999999999999999", NULL, 10); + assert(n == ULONG_MAX && errno == ERANGE); +} + +int +main(void) +{ + puts("testing"); + test(); + puts("done"); + + return 0; +} diff --git a/tests/libc/execute/libc-tests.lst b/tests/libc/execute/libc-tests.lst @@ -84,3 +84,4 @@ 0085-strtold [TODO] 0086-strtol 0087-stroll +0088-stroul