Fix a rare crash due to calling a NULL method pointer (#2390)

1 files changed, 4 insertions, 4 deletions

diff --git a/Frameworks/SPMySQLFramework/Source/SPMySQLStreamingResultStore.h b/Frameworks/SPMySQLFramework/Source/SPMySQLStreamingResultStore.h
index d66dfd81..5fa6f406 100644
--- a/Frameworks/SPMySQLFramework/Source/SPMySQLStreamingResultStore.h
+++ b/Frameworks/SPMySQLFramework/Source/SPMySQLStreamingResultStore.h
@@ -79,7 +79,7 @@ static inline unsigned long long SPMySQLResultStoreGetRowCount(SPMySQLStreamingR
 {
 	typedef unsigned long long (*SPMSRSRowCountMethodPtr)(SPMySQLStreamingResultStore*, SEL);
 	static SPMSRSRowCountMethodPtr SPMSRSRowCount;
-	if (!SPMSRSRowCount) SPMSRSRowCount = (SPMSRSRowCountMethodPtr)[self methodForSelector:@selector(numberOfRows)];
+	if (!SPMSRSRowCount) SPMSRSRowCount = (SPMSRSRowCountMethodPtr)[SPMySQLStreamingResultStore instanceMethodForSelector:@selector(numberOfRows)];
 	return SPMSRSRowCount(self, @selector(numberOfRows));
 }
 
@@ -87,7 +87,7 @@ static inline id SPMySQLResultStoreGetRow(SPMySQLStreamingResultStore* self, NSU
 {
 	typedef id (*SPMSRSRowFetchMethodPtr)(SPMySQLStreamingResultStore*, SEL, NSUInteger);
 	static SPMSRSRowFetchMethodPtr SPMSRSRowFetch;
-	if (!SPMSRSRowFetch) SPMSRSRowFetch = (SPMSRSRowFetchMethodPtr)[self methodForSelector:@selector(rowContentsAtIndex:)];
+	if (!SPMSRSRowFetch) SPMSRSRowFetch = (SPMSRSRowFetchMethodPtr)[SPMySQLStreamingResultStore instanceMethodForSelector:@selector(rowContentsAtIndex:)];
 	return SPMSRSRowFetch(self, @selector(rowContentsAtIndex:), rowIndex);
 }
 
@@ -95,7 +95,7 @@ static inline id SPMySQLResultStoreObjectAtRowAndColumn(SPMySQLStreamingResultSt
 {
 	typedef id (*SPMSRSObjectFetchMethodPtr)(SPMySQLStreamingResultStore*, SEL, NSUInteger, NSUInteger);
 	static SPMSRSObjectFetchMethodPtr SPMSRSObjectFetch;
-	if (!SPMSRSObjectFetch) SPMSRSObjectFetch = (SPMSRSObjectFetchMethodPtr)[self methodForSelector:@selector(cellDataAtRow:column:)];
+	if (!SPMSRSObjectFetch) SPMSRSObjectFetch = (SPMSRSObjectFetchMethodPtr)[SPMySQLStreamingResultStore instanceMethodForSelector:@selector(cellDataAtRow:column:)];
 	return SPMSRSObjectFetch(self, @selector(cellDataAtRow:column:), rowIndex, colIndex);
 }
 
@@ -103,6 +103,6 @@ static inline id SPMySQLResultStorePreviewAtRowAndColumn(SPMySQLStreamingResultS
 {
 	typedef id (*SPMSRSObjectPreviewMethodPtr)(SPMySQLStreamingResultStore*, SEL, NSUInteger, NSUInteger, NSUInteger);
 	static SPMSRSObjectPreviewMethodPtr SPMSRSObjectPreview;
-	if (!SPMSRSObjectPreview) SPMSRSObjectPreview = (SPMSRSObjectPreviewMethodPtr)[self methodForSelector:@selector(cellPreviewAtRow:column:previewLength:)];
+	if (!SPMSRSObjectPreview) SPMSRSObjectPreview = (SPMSRSObjectPreviewMethodPtr)[SPMySQLStreamingResultStore instanceMethodForSelector:@selector(cellPreviewAtRow:column:previewLength:)];
 	return SPMSRSObjectPreview(self, @selector(cellPreviewAtRow:column:previewLength:), rowIndex, colIndex, previewLength);
 }