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author | Mattias Andrée <maandree@kth.se> | 2022-06-10 19:34:11 +0200 |
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committer | Mattias Andrée <maandree@kth.se> | 2022-06-10 19:34:11 +0200 |
commit | 5d2bbca39c79dcc73060ac480a4e229affef0a14 (patch) | |
tree | 835ab061b3c1c5f1e80c6e76ef94751f78416929 /strtou64.c | |
parent | fix typo (diff) | |
download | libsimple-5d2bbca39c79dcc73060ac480a4e229affef0a14.tar.gz libsimple-5d2bbca39c79dcc73060ac480a4e229affef0a14.tar.bz2 libsimple-5d2bbca39c79dcc73060ac480a4e229affef0a14.tar.xz |
Add strto[u]{hh,h,z}, strto{i,u}{,8,16,32,64}
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'strtou64.c')
-rw-r--r-- | strtou64.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/strtou64.c b/strtou64.c new file mode 100644 index 0000000..1deb3a5 --- /dev/null +++ b/strtou64.c @@ -0,0 +1,31 @@ +/* See LICENSE file for copyright and license details. */ +#include "libsimple.h" +#ifndef TEST + +#define RET_MAX 18446744073709551615ULL + + +uint_least64_t +libsimple_strtou64(const char *restrict nptr, char **restrict end, int base) /* TODO test, man */ +{ + uintmax_t r = strtoumax(nptr, end, base); +#if UINTMAX_MAX > RET_MAX + if(r > RET_MAX) { + r = RET_MAX; + errno = ERANGE; + } +#endif + return (uint_least64_t)r; +} + + +#else +#include "test.h" + +int +main(void) +{ + return 0; +} + +#endif |