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Ensure a proper amount of new elements are being reserved when inserting

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This commit is contained in:
Chris Robinson 2014-05-22 12:16:22 -07:00
parent 9008bcbe54
commit a48f5d26fd
1 changed files with 5 additions and 1 deletions
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6
Alc/helpers.c
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@ -631,8 +631,12 @@ ALboolean vector_insert(void *ptr, size_t base_size, size_t obj_size, void *ins_
{
ptrdiff_t ins_elem = ((char*)ins_pos - ((char*)(*vecptr) + base_size)) / obj_size;
ptrdiff_t numins = ((const char*)datend - (const char*)datstart) / obj_size;
if(!vector_reserve(vecptr, base_size, VECTOR_SIZE(*vecptr)+numins, obj_size, AL_TRUE))
assert(numins > 0);
if(INT_MAX-VECTOR_SIZE(*vecptr) <= numins ||
!vector_reserve(vecptr, base_size, VECTOR_SIZE(*vecptr)+numins, obj_size, AL_TRUE))
return AL_FALSE;
/* NOTE: ins_pos may have been invalidated if *vecptr moved. Use ins_elem instead. */
if(ins_elem < (*vecptr)->Size)
{