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Fix incomplete duplication of REPT nodes

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"Initialization, sizeof, and the assignment operator ignore the flexible array member."
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This commit is contained in:
ISSOtm
2020-09-30 13:16:23 +02:00
parent 423a7c4899
commit c24694233f
1 changed files with 3 additions and 2 deletions
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5
src/asm/fstack.c
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@@ -202,12 +202,13 @@ bool yywrap(void)
/* If the node is referenced, we can't edit it; duplicate it */
if (contextStack->fileInfo->referenced) {
struct FileStackReptNode *copy = malloc(sizeof(*copy) + sizeof(copy->iters[0]) * fileInfo->reptDepth);
size_t size = sizeof(*fileInfo) + sizeof(fileInfo->iters[0]) * fileInfo->reptDepth;
struct FileStackReptNode *copy = malloc(size);
if (!copy)
fatalerror("Failed to duplicate REPT file node: %s\n", strerror(errno));
/* Copy all info but the referencing */
*copy = *fileInfo;
memcpy(copy, fileInfo, size);
copy->node.next = NULL;
copy->node.referenced = false;