diff options
Diffstat (limited to 'Src/utils.c')
-rw-r--r-- | Src/utils.c | 79 |
1 files changed, 54 insertions, 25 deletions
diff --git a/Src/utils.c b/Src/utils.c index 13fc96a16..8ff575fd9 100644 --- a/Src/utils.c +++ b/Src/utils.c @@ -2883,7 +2883,7 @@ ztrftime(char *buf, int bufsize, char *fmt, struct tm *tm, long usec) int hr12; #ifdef HAVE_STRFTIME int decr; - char tmp[4]; + char *fmtstart; #else static char *astr[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; @@ -2899,7 +2899,11 @@ ztrftime(char *buf, int bufsize, char *fmt, struct tm *tm, long usec) int strip; int digs = 3; +#ifdef HAVE_STRFTIME + fmtstart = +#endif fmt++; + if (*fmt == '-') { strip = 1; fmt++; @@ -2924,6 +2928,21 @@ ztrftime(char *buf, int bufsize, char *fmt, struct tm *tm, long usec) */ if (ztrftimebuf(&bufsize, 2)) return -1; +#ifdef HAVE_STRFTIME + /* Our internal handling doesn't handle padding and other gnu extensions, + * so here we detect them and pass over to strftime(). We don't want + * to do this unconditionally though, as we have some extensions that + * strftime() doesn't have (%., %f, %L and %K) */ +morefmt: + if (!((fmt - fmtstart == 1) || (fmt - fmtstart == 2 && strip) || *fmt == '.')) { + while (*fmt && strchr("OE^#_-0123456789", *fmt)) + fmt++; + if (*fmt) { + fmt++; + goto strftimehandling; + } + } +#endif switch (*fmt++) { case '.': if (ztrftimebuf(&bufsize, digs)) @@ -2939,10 +2958,10 @@ ztrftime(char *buf, int bufsize, char *fmt, struct tm *tm, long usec) sprintf(buf, "%0*ld", digs, usec); buf += digs; break; - case 'd': - if (tm->tm_mday > 9 || !strip) - *buf++ = '0' + tm->tm_mday / 10; - *buf++ = '0' + tm->tm_mday % 10; + case '\0': + /* Guard against premature end of string */ + *buf++ = '%'; + fmt--; break; case 'f': strip = 1; @@ -2983,6 +3002,12 @@ ztrftime(char *buf, int bufsize, char *fmt, struct tm *tm, long usec) *buf++ = '0' + (hr12 % 10); break; +#ifndef HAVE_STRFTIME + case 'd': + if (tm->tm_mday > 9 || !strip) + *buf++ = '0' + tm->tm_mday / 10; + *buf++ = '0' + tm->tm_mday % 10; + break; case 'm': if (tm->tm_mon > 8 || !strip) *buf++ = '0' + (tm->tm_mon + 1) / 10; @@ -3003,18 +3028,8 @@ ztrftime(char *buf, int bufsize, char *fmt, struct tm *tm, long usec) *buf++ = '0' + (tm->tm_year / 10) % 10; *buf++ = '0' + tm->tm_year % 10; break; - case '\0': - /* Guard against premature end of string */ - *buf++ = '%'; - fmt--; - break; -#ifndef HAVE_STRFTIME case 'Y': { - /* - * Not worth handling this natively if - * strftime has it. - */ int year, digits, testyear; year = tm->tm_year + 1900; digits = 1; @@ -3048,24 +3063,38 @@ ztrftime(char *buf, int bufsize, char *fmt, struct tm *tm, long usec) if (fmt[-1] != '%') *buf++ = fmt[-1]; #else + case 'E': + case 'O': + case '^': + case '#': + case '_': + case '-': + case '0' ... '9': + goto morefmt; +strftimehandling: default: /* * Remember we've already allowed for two characters * in the accounting in bufsize (but nowhere else). */ - *buf = '\1'; - sprintf(tmp, strip ? "%%-%c" : "%%%c", fmt[-1]); - if (!strftime(buf, bufsize + 2, tmp, tm)) { - if (*buf) { - buf[0] = '\0'; - return -1; + int size = fmt - fmtstart; + char *tmp = zhalloc(size + 1); + strncpy(tmp, fmtstart, size); + tmp[size] = '\0'; + *buf = '\1'; + if (!strftime(buf, bufsize + 2, tmp, tm)) + { + if (*buf) { + buf[0] = '\0'; + return -1; + } + return 0; } - return 0; + decr = strlen(buf); + buf += decr; + bufsize -= decr - 2; } - decr = strlen(buf); - buf += decr; - bufsize -= decr - 2; #endif break; } |