tony2001 Sat Aug 9 22:01:35 2008 UTC
Modified files: (Branch: PHP_5_2)
/php-src/ext/date/lib parse_tz.c
Log:
MFH: do not fail & segfault if malloc(0) returns NULL, that's expected
http://cvs.php.net/viewvc.cgi/php-src/ext/date/lib/parse_tz.c?r1=1.20.2.6.2.15&r2=1.20.2.6.2.16&diff_format=u
Index: php-src/ext/date/lib/parse_tz.c
diff -u php-src/ext/date/lib/parse_tz.c:1.20.2.6.2.15
php-src/ext/date/lib/parse_tz.c:1.20.2.6.2.16
--- php-src/ext/date/lib/parse_tz.c:1.20.2.6.2.15 Tue Jul 8 18:02:32 2008
+++ php-src/ext/date/lib/parse_tz.c Sat Aug 9 22:01:35 2008
@@ -16,7 +16,7 @@
+----------------------------------------------------------------------+
*/
-/* $Id: parse_tz.c,v 1.20.2.6.2.15 2008/07/08 18:02:32 derick Exp $ */
+/* $Id: parse_tz.c,v 1.20.2.6.2.16 2008/08/09 22:01:35 tony2001 Exp $ */
#include "timelib.h"
@@ -125,46 +125,52 @@
memcpy(tz->timezone_abbr, *tzf, sizeof(char) * tz->charcnt);
*tzf += sizeof(char) * tz->charcnt;
- leap_buffer = (int32_t *) malloc(tz->leapcnt * 2 * sizeof(int32_t));
- if (!leap_buffer) {
- return;
- }
- memcpy(leap_buffer, *tzf, sizeof(int32_t) * tz->leapcnt * 2);
- *tzf += sizeof(int32_t) * tz->leapcnt * 2;
+ if (tz->leapcnt) {
+ leap_buffer = (int32_t *) malloc(tz->leapcnt * 2 *
sizeof(int32_t));
+ if (!leap_buffer) {
+ return;
+ }
+ memcpy(leap_buffer, *tzf, sizeof(int32_t) * tz->leapcnt * 2);
+ *tzf += sizeof(int32_t) * tz->leapcnt * 2;
- tz->leap_times = (tlinfo*) malloc(tz->leapcnt * sizeof(tlinfo));
- if (!tz->leap_times) {
- return;
- }
- for (i = 0; i < tz->leapcnt; i++) {
- tz->leap_times[i].trans = timelib_conv_int(leap_buffer[i * 2]);
- tz->leap_times[i].offset = timelib_conv_int(leap_buffer[i * 2 +
1]);
- }
- free(leap_buffer);
-
- buffer = (unsigned char*) malloc(tz->ttisstdcnt * sizeof(unsigned
char));
- if (!buffer) {
- return;
+ tz->leap_times = (tlinfo*) malloc(tz->leapcnt * sizeof(tlinfo));
+ if (!tz->leap_times) {
+ return;
+ }
+ for (i = 0; i < tz->leapcnt; i++) {
+ tz->leap_times[i].trans =
timelib_conv_int(leap_buffer[i * 2]);
+ tz->leap_times[i].offset =
timelib_conv_int(leap_buffer[i * 2 + 1]);
+ }
+ free(leap_buffer);
}
- memcpy(buffer, *tzf, sizeof(unsigned char) * tz->ttisstdcnt);
- *tzf += sizeof(unsigned char) * tz->ttisstdcnt;
- for (i = 0; i < tz->ttisstdcnt; i++) {
- tz->type[i].isstdcnt = buffer[i];
- }
- free(buffer);
+ if (tz->ttisstdcnt) {
+ buffer = (unsigned char*) malloc(tz->ttisstdcnt *
sizeof(unsigned char));
+ if (!buffer) {
+ return;
+ }
+ memcpy(buffer, *tzf, sizeof(unsigned char) * tz->ttisstdcnt);
+ *tzf += sizeof(unsigned char) * tz->ttisstdcnt;
- buffer = (unsigned char*) malloc(tz->ttisgmtcnt * sizeof(unsigned
char));
- if (!buffer) {
- return;
+ for (i = 0; i < tz->ttisstdcnt; i++) {
+ tz->type[i].isstdcnt = buffer[i];
+ }
+ free(buffer);
}
- memcpy(buffer, *tzf, sizeof(unsigned char) * tz->ttisgmtcnt);
- *tzf += sizeof(unsigned char) * tz->ttisgmtcnt;
- for (i = 0; i < tz->ttisgmtcnt; i++) {
- tz->type[i].isgmtcnt = buffer[i];
+ if (tz->ttisgmtcnt) {
+ buffer = (unsigned char*) malloc(tz->ttisgmtcnt *
sizeof(unsigned char));
+ if (!buffer) {
+ return;
+ }
+ memcpy(buffer, *tzf, sizeof(unsigned char) * tz->ttisgmtcnt);
+ *tzf += sizeof(unsigned char) * tz->ttisgmtcnt;
+
+ for (i = 0; i < tz->ttisgmtcnt; i++) {
+ tz->type[i].isgmtcnt = buffer[i];
+ }
+ free(buffer);
}
- free(buffer);
}
void timelib_dump_tzinfo(timelib_tzinfo *tz)
--
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