From ae850b1ac755f471beac4dbfef4654fe3fbaaae9 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Tue, 9 Jan 2024 22:04:24 +0100 Subject: First commit MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- libpatch_create_timestamp_frac_string.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 libpatch_create_timestamp_frac_string.c (limited to 'libpatch_create_timestamp_frac_string.c') 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); +} -- cgit v1.2.3-70-g09d2