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Corrected single check for empty stack, which resulted in popping nonexistent operands when arrity > 1

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Vera Lewis
2024-03-27 04:42:14 -05:00
parent 375d371927
commit b0b7b07bfe
1 changed files with 4 additions and 2 deletions
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6
src/ee.c
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@@ -138,13 +138,15 @@ operands(STACK* target_stack, int size)
*/ */
double * const _operands = (double*)malloc(size*sizeof(double)); double * const _operands = (double*)malloc(size*sizeof(double));
if ((*target_stack) == NULL) //#if ((*target_stack) == NULL)
error |= ERR_NS_OPERANDS; // error |= ERR_NS_OPERANDS;
double * tPtr = _operands; double * tPtr = _operands;
double * endPtr = _operands + size; double * endPtr = _operands + size;
while ((tPtr < endPtr) && !error) while ((tPtr < endPtr) && !error)
{ {
if ((*target_stack) == NULL)
error |= ERR_NS_OPERANDS;
*tPtr = peek((target_stack)); *tPtr = peek((target_stack));
pop(target_stack); pop(target_stack);