Using Clang Analyzer and fix some memory issues

dreampiggy · dreampiggy · commit 33ad65f99569 · 2023-01-30T17:33:06.000+08:00
diff --git a/SDWebImageAVIFCoder/Classes/Conversion.m b/SDWebImageAVIFCoder/Classes/Conversion.m
@@ -1129,6 +1129,7 @@ static CGImageRef CreateCGImage16U(avifImage * avif) {
             err = vImageConvert_Planar8toARGB8888(&alphaBuffer1, &alphaBuffer2, &monoBuffer1, &monoBuffer2, &resultBuffer, kvImageNoFlags);
             if(err != kvImageNoError) {
                 free(resultBufferData);
+                resultBufferData = NULL;
                 NSLog(@"Failed to convert Planar Alpha + Mono to MonoA: %ld", err);
                 goto end_alpha_mono;
             }

Original file line number	Diff line number	Diff line change
`@@ -1129,6 +1129,7 @@ static CGImageRef CreateCGImage16U(avifImage * avif) {`
`1129`	`1129`	`err = vImageConvert_Planar8toARGB8888(&alphaBuffer1, &alphaBuffer2, &monoBuffer1, &monoBuffer2, &resultBuffer, kvImageNoFlags);`
`1130`	`1130`	`if(err != kvImageNoError) {`
`1131`	`1131`	`free(resultBufferData);`
	`1132`	`+ resultBufferData = NULL;`
`1132`	`1133`	`NSLog(@"Failed to convert Planar Alpha + Mono to MonoA: %ld", err);`
`1133`	`1134`	`goto end_alpha_mono;`
`1134`	`1135`	`}`