scc

simple c99 compiler
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commit e233f10476a51629c1a70b0a16fdc01157059214
parent 93f02dd35b1cd55e620f244bff9d0e4cb71e656c
Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date:   Thu, 30 Apr 2026 23:10:00 +0200

tests/libc: Add 0089-strtoull

Diffstat:
Mtests/libc/execute/.gitignore | 1+
Atests/libc/execute/0089-stroull.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 @@ -87,3 +87,4 @@ test.log 0086-strtol 0087-stroll 0088-stroul +0089-stroull diff --git a/tests/libc/execute/0089-stroull.c b/tests/libc/execute/0089-stroull.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 long n; + char buf[64], *endp; + + errno = 0; + n = strtoull("1024", NULL, 10); + assert(n == 1024 && errno == 0); + + n = strtoull("1024", &endp, 10); + assert(n == 1024 && errno == 0 && *endp == '\0'); + + n = strtoull("1000", &endp, 10); + assert(n == 1000 && errno == 0 && *endp == '\0'); + + n = strtoull("1000", &endp, 8); + assert(n == 512 && errno == 0 && *endp == '\0'); + + n = strtoull("1000", &endp, 16); + assert(n == 4096 && errno == 0 && *endp == '\0'); + + n = strtoull("1000", &endp, 0); + assert(n == 1000 && errno == 0 && *endp == '\0'); + + n = strtoull("0x1000", &endp, 0); + assert(n == 4096 && errno == 0 && *endp == '\0'); + + n = strtoull("01000", &endp, 0); + assert(n == 512 && errno == 0 && *endp == '\0'); + + n = strtoull(" +1a", &endp, 0); + assert(n == 1 && errno == 0 && *endp == 'a'); + + n = strtoull(" -1a", &endp, 0); + assert(n == -1 && errno == 0 && *endp == 'a'); + + sprintf(buf, "%llu", ULLONG_MAX); + n = strtoull(buf, NULL, 10); + assert(n == ULLONG_MAX && errno == 0); + + sprintf(buf, "%lld", LLONG_MIN); + n = strtoull(buf, NULL, 10); + assert(n == LLONG_MIN && errno == 0); + + n = strtoull("9999999999999999999999999", NULL, 10); + assert(n == ULLONG_MAX && errno == ERANGE); + + errno = 0; + n = strtoull("-999999999999999999999999", NULL, 10); + assert(n == ULLONG_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 @@ -85,3 +85,4 @@ 0086-strtol 0087-stroll 0088-stroul +0089-stroull