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get_matching_bracket bail early if instructions struct too small #9

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get_matching_bracket bail early if instructions struct too small #9

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3 changes: 3 additions & 0 deletions helpers.c
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,9 @@ void addSectionData(SECTION *section, uint8_t startByte[], uint32_t size) {
* @return The relative position of the bracket, -1 if not found
*/
int get_matching_bracket(INSTRUCTIONS *instructions, int position, bool throwError) {
if (instructions->size <= position)
return -1;

if (instructions->instruction[position].type != '[') {
if (throwError)
fprintf(stderr, "No bracket to match at position %i!\n", position);
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