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-rw-r--r--Src/utils.c79
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;
}