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author | Mattias Andrée <maandree@kth.se> | 2024-01-09 22:04:24 +0100 |
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committer | Mattias Andrée <maandree@kth.se> | 2024-01-09 22:04:24 +0100 |
commit | ae850b1ac755f471beac4dbfef4654fe3fbaaae9 (patch) | |
tree | 319e7f7f1b99cd1ee75e100f0a29b0f7c827ccea /libpatch_create_timestamp_frac_string.c | |
download | libpatch-ae850b1ac755f471beac4dbfef4654fe3fbaaae9.tar.gz libpatch-ae850b1ac755f471beac4dbfef4654fe3fbaaae9.tar.bz2 libpatch-ae850b1ac755f471beac4dbfef4654fe3fbaaae9.tar.xz |
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'libpatch_create_timestamp_frac_string.c')
-rw-r--r-- | libpatch_create_timestamp_frac_string.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/libpatch_create_timestamp_frac_string.c b/libpatch_create_timestamp_frac_string.c new file mode 100644 index 0000000..18b8090 --- /dev/null +++ b/libpatch_create_timestamp_frac_string.c @@ -0,0 +1,21 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" + + +size_t +libpatch_create_timestamp_frac_string(char *buf, size_t bufsize, const struct tm *tm, + const char *frac, int zone, enum libpatch_style style) +{ + uintmax_t subseconds = 0, digit; + unsigned decimals = 0; + if (frac) { + for (;; frac++) { + digit = (uintmax_t)*frac - (uintmax_t)'0'; + if (digit > 9 || subseconds > (UINTMAX_MAX - digit) / 10U) + break; + subseconds = subseconds * 10U + digit; + decimals += 1; + } + } + return libpatch_create_timestamp(buf, bufsize, tm, subseconds, decimals, decimals, zone, style); +} |