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7z: Make error handling a little more robust.

This commit is contained in:
Ryan C. Gordon 2020-05-17 01:41:52 -04:00
parent 00599b7dac
commit 22297e7ea2
1 changed files with 5 additions and 2 deletions
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7
src/physfs_archiver_7z.c
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@ -285,13 +285,16 @@ static PHYSFS_Io *SZIP_openRead(void *opaque, const char *path)
&blockIndex, &outBuffer, &outBufferSize, &offset,
&outSizeProcessed, alloc, alloc);
GOTO_IF(rc != SZ_OK, szipErrorCode(rc), SZIP_openRead_failed);
GOTO_IF(outBuffer == NULL, PHYSFS_ERR_OUT_OF_MEMORY, SZIP_openRead_failed);
io->destroy(io);
io = NULL;
buf = allocator.Malloc(outSizeProcessed);
buf = allocator.Malloc(outSizeProcessed ? outSizeProcessed : 1);
GOTO_IF(buf == NULL, PHYSFS_ERR_OUT_OF_MEMORY, SZIP_openRead_failed);
memcpy(buf, outBuffer + offset, outSizeProcessed);
if (outSizeProcessed > 0)
memcpy(buf, outBuffer + offset, outSizeProcessed);
alloc->Free(alloc, outBuffer);
outBuffer = NULL;