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72 lines
1.2 KiB
72 lines
1.2 KiB
2 months ago
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/*
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* UCW Library -- A Parser of Time Intervals
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*
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* (c) 2012 Martin Mares <mj@ucw.cz>
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*
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* This software may be freely distributed and used according to the terms
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* of the GNU Lesser General Public License.
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*/
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#include <ucw/lib.h>
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#include <ucw/conf.h>
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#include <ucw/time.h>
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#include <ucw/fastbuf.h>
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static char *
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timestamp_parser(char *c, void *ptr)
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{
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timestamp_t *ts = ptr;
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double d;
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char *err = cf_parse_double(c, &d);
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if (err)
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return err;
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if (d > 1e16)
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return "Time too large";
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*ts = (timestamp_t)(d*1000 + 0.5);
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if (!*ts && d)
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return "Non-zero time rounds down to zero milliseconds";
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return NULL;
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}
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static void
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timestamp_dumper(struct fastbuf *fb, void *ptr)
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{
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timestamp_t *ts = ptr;
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bprintf(fb, "%jd", (intmax_t) *ts);
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}
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struct cf_user_type timestamp_type = {
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.size = sizeof(timestamp_t),
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.name = "timestamp",
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.parser = timestamp_parser,
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.dumper = timestamp_dumper
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};
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#ifdef TEST
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#include <stdio.h>
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int main(void)
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{
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char line[256];
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while (fgets(line, sizeof(line), stdin))
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{
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char *nl = strchr(line, '\n');
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if (nl)
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*nl = 0;
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timestamp_t t = -1;
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char *err = timestamp_parser(line, &t);
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if (err)
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puts(err);
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else
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printf("%jd\n", (intmax_t) t);
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}
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return 0;
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}
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#endif
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