Fix typo in chunk name validation code

richgel999 · Dec 27, 2021 · c9cf8cf · c9cf8cf
1 parent b964f65
commit c9cf8cf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/fpng.cpp b/src/fpng.cpp
@@ -2519,7 +2519,7 @@ do { \
 
 			for (uint32_t i = 0; i < 4; i++)
 			{
-				const uint8_t c = pChunk->m_type[0];
+				const uint8_t c = pChunk->m_type[i];
 				const bool is_upper = (c >= 65) && (c <= 90), is_lower = (c >= 97) && (c <= 122);
 				if ((!is_upper) && (!is_lower))
 					return FPNG_DECODE_FAILED_CHUNK_PARSING;