assembler/optable.c at master · sumitkukade/assembler · GitHub

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#include"struct.h"
int optable(opTable **ppHead,char *opcode,char *instr, char *op1,char *op2)
{
	struct opTable *pTemp,*pNwnode;
	pNwnode=(opTable*)malloc(sizeof(opTable));
	if(pNwnode == NULL)
		return 1;

	pNwnode->opcode = (char*)malloc(sizeof(char)*((strlen(opcode)+1)));
	if(pNwnode->opcode == NULL)
		return 1;
	strcpy(pNwnode->opcode,opcode);

	pNwnode->mn = (char*)malloc(sizeof(char)*((strlen(instr))+1));
	if(pNwnode->mn == NULL)
		return 1;
	strcpy(pNwnode->mn,instr);

	pNwnode->op1 = (char*)malloc(sizeof(char)*((strlen(op1))+1));
	if(pNwnode->op1 == NULL)
		return 1;
	strcpy(pNwnode->op1,op1);

	pNwnode->op2 = (char*)malloc(sizeof(char)*((strlen(op2))+1));
	if(pNwnode -> op2 == NULL)
		return 1;
	strcpy(pNwnode ->op2,op2);
	pNwnode -> op2[strlen(pNwnode -> op2)-1]='\0';

	pNwnode ->pNext = NULL;
	if(*ppHead == NULL)
	{
		*ppHead = pNwnode;
		return 0;
	}

	pTemp = *ppHead;
	while(pTemp -> pNext != NULL)
		pTemp = pTemp->pNext;
	pTemp -> pNext = pNwnode;
	return 0;
}