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GITERR_CHECK_ALLOC_ADDn: multi-arg adders

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Edward Thomson 2015-09-28 16:24:50 -04:00 committed by Edward Thomson
parent a99f33e9b0
commit 4bc9b74c14
1 changed files with 9 additions and 0 deletions
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9
src/common.h
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@ -208,6 +208,15 @@ GIT_INLINE(void) git__init_structure(void *structure, size_t len, unsigned int v
#define GITERR_CHECK_ALLOC_ADD(out, one, two) \
if (GIT_ADD_SIZET_OVERFLOW(out, one, two)) { return -1; }
#define GITERR_CHECK_ALLOC_ADD3(out, one, two, three) \
if (GIT_ADD_SIZET_OVERFLOW(out, one, two) || \
GIT_ADD_SIZET_OVERFLOW(out, *(out), three)) { return -1; }
#define GITERR_CHECK_ALLOC_ADD4(out, one, two, three, four) \
if (GIT_ADD_SIZET_OVERFLOW(out, one, two) || \
GIT_ADD_SIZET_OVERFLOW(out, *(out), three) || \
GIT_ADD_SIZET_OVERFLOW(out, *(out), four)) { return -1; }
/** Check for multiplicative overflow, failing if it would occur. */
#define GITERR_CHECK_ALLOC_MULTIPLY(out, nelem, elsize) \
if (GIT_MULTIPLY_SIZET_OVERFLOW(out, nelem, elsize)) { return -1; }