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Commit 29f27bfd authored by Parveen Bhatia's avatar Parveen Bhatia Committed by Thomas Van Lenten
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Added safety checks when malloc returns nil in GPBDescriptor

parent eecccdc8
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Showing with 5 additions and 0 deletions
objectivec/GPBDescriptor.m
View file @ 29f27bfd
......@@ -819,6 +819,7 @@ uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self) {
return;
}
uint32_t *offsets = malloc(valueCount_ * sizeof(uint32_t));
if (!offsets) return;
const char *scan = valueNames_;
for (uint32_t i = 0; i < valueCount_; ++i) {
offsets[i] = (uint32_t)(scan - valueNames_);
......@@ -851,6 +852,7 @@ uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self) {
nameAsCStr += prefixLen;
if (nameOffsets_ == NULL) [self calcValueNameOffsets];
if (nameOffsets_ == NULL) return NO;
// Find it.
for (uint32_t i = 0; i < valueCount_; ++i) {
......@@ -867,6 +869,7 @@ uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self) {
- (BOOL)getValue:(int32_t *)outValue forEnumTextFormatName:(NSString *)textFormatName {
if (nameOffsets_ == NULL) [self calcValueNameOffsets];
if (nameOffsets_ == NULL) return NO;
for (uint32_t i = 0; i < valueCount_; ++i) {
int32_t value = values_[i];
......@@ -905,6 +908,7 @@ uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self) {
- (NSString *)getEnumNameForIndex:(uint32_t)index {
if (nameOffsets_ == NULL) [self calcValueNameOffsets];
if (nameOffsets_ == NULL) return nil;
if (index >= valueCount_) {
return nil;
......@@ -916,6 +920,7 @@ uint32_t GPBFieldAlternateTag(GPBFieldDescriptor *self) {
- (NSString *)getEnumTextFormatNameForIndex:(uint32_t)index {
if (nameOffsets_ == NULL) [self calcValueNameOffsets];
if (nameOffsets_ == NULL) return nil;
if (index >= valueCount_) {
return nil;
......
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