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Added check for small ZEMD_MM_SEG_SIZE

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Dmitry Stogov 2008-07-21 17:06:35 +00:00
parent 07586f682b
commit 9d4064afc0
1 changed files with 3 additions and 0 deletions
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3
Zend/zend_alloc.c
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@ -1125,6 +1125,9 @@ ZEND_API zend_mm_heap *zend_mm_startup(void)
if (zend_mm_low_bit(seg_size) != zend_mm_high_bit(seg_size)) {
fprintf(stderr, "ZEND_MM_SEG_SIZE must be a power of two\n");
exit(255);
} else if (seg_size < ZEND_MM_ALIGNED_SEGMENT_SIZE + ZEND_MM_ALIGNED_HEADER_SIZE) {
fprintf(stderr, "ZEND_MM_SEG_SIZE is too small\n");
exit(255);
}
} else {
seg_size = ZEND_MM_SEG_SIZE;