gbaconv

commit 6bf3eb5ea1104f55279af5466d3b3aeecd910be8
parent e581bd7f4a8e38dcccfb0f1e5e1490c3df09a43b
Author: Frederic Cambus <fred@statdns.com>
Date:   Wed,  7 Aug 2019 09:21:56 +0200

Exit with error if array index is invalid, it means input file is corrupt.

Diffstat:
M
pcx2gba.c
 | 
14
++++++++++++--

1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/pcx2gba.c b/pcx2gba.c
@@ -118,13 +118,23 @@ int main(int argc, char *argv[]) {
 			run_count = current_byte-192;
 
 			for (run_position = 0; run_position < run_count; run_position++) {
-				if (offset + run_position < pcx_buffer_size)
+				if (offset + run_position < pcx_buffer_size) {
 					pcx_buffer[offset + run_position] = input_file_buffer[loop +1];
+				} else {
+					printf("ERROR: Input File is corrupt\n\n");
+					return EXIT_FAILURE;
+				}
 			}
 			offset += run_count;
 			loop += 2;
 		} else {
-			pcx_buffer[offset] = current_byte;
+			if (offset < pcx_buffer_size) {
+				pcx_buffer[offset] = current_byte;
+			} else {
+				printf("ERROR: Input File is corrupt\n\n");
+				return EXIT_FAILURE;
+			}
+
 			offset++;
 			loop++;
 		}