ref: 1fe3143e4c43ce2c74e0cfdd70b1bd556bbb9e1b
dir: /sys/src/cmd/upas/common/totm.c/
#include <common.h> static char mtab[] = "JanFebMarAprMayJunJulAugSepOctNovDec"; int ctimetotm(char *s, Tm *tm) { char buf[32]; if(strlen(s) < 28) return -1; snprint(buf, sizeof buf, "%s", s); memset(tm, 0, sizeof *tm); buf[7] = 0; tm->mon = (strstr(mtab, buf+4) - mtab)/3; tm->mday = atoi(buf+8); tm->hour = atoi(buf+11); tm->min = atoi(buf+14); tm->sec = atoi(buf+17); tm->zone[0] = buf[20]; tm->zone[1] = buf[21]; tm->zone[2] = buf[22]; tm->year = atoi(buf+24) - 1900; return 0; } int fromtotm(char *s, Tm *tm) { char buf[256], *f[3]; snprint(buf, sizeof buf, "%s", s); if(getfields(buf, f, nelem(f), 0, " ") != 3) return -1; return ctimetotm(f[2], tm); }