return p_dst;
}
-/****************************************************************************
- * String formating functions
- ****************************************************************************/
+/**
+ * Formats current time into a heap-allocated string.
+ * @param tformat time format (as with C strftime())
+ * @return an allocated string (must be free()'d), or NULL on memory error.
+ */
char *str_format_time( const char *tformat )
{
- char buffer[255];
time_t curtime;
struct tm loctime;
+ if (strcmp (tformat, "") == 0)
+ return strdup (""); /* corner case w.r.t. strftime() return value */
+
/* Get the current time. */
- curtime = time( NULL );
+ time( &curtime );
/* Convert it to local time representation. */
localtime_r( &curtime, &loctime );
- strftime( buffer, 255, tformat, &loctime );
- return strdup( buffer );
+ for (size_t buflen = strlen (tformat) + 32;; buflen += 32)
+ {
+ char *str = malloc (buflen);
+ if (str == NULL)
+ return NULL;
+
+ size_t len = strftime (str, buflen, tformat, &loctime);
+ if (len > 0)
+ {
+ char *ret = realloc (str, len + 1);
+ return ret ? ret : str; /* <- this cannot fail */
+ }
+ }
+ assert (0);
}
#define INSERT_STRING( string ) \