From fab4047d22907f8c63c19dcb4f447617bc5284a7 Mon Sep 17 00:00:00 2001
From: sBubshait <s.bobshit@gmail.com>
Date: Wed, 12 Jun 2024 17:48:23 +0100
Subject: [PATCH] Update fileio, skip new lines

---
 src/fileio.c | 9 ++++++++-
 src/parser.c | 7 ++++---
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/fileio.c b/src/fileio.c
index f2f47fd..cd4fcc6 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -35,11 +35,13 @@ int countLines(char *filename) {
 
     int count = 0;
     char c;
+    char prevC = '\n';
 
     while ((c = fgetc(file)) != EOF) {
-        if (c == '\n') {
+        if (c == '\n' && prevC != '\n') {
             count++;
         }
+        prevC = c;
     }
 
     return count;
@@ -71,6 +73,11 @@ char **readAssemblyFile(char filename[], int lineCount) {
             exit(EXIT_FAILURE);
         }
 
+        if (*buffer == '\n') {
+            // Skip empty lines.
+            continue;
+        }
+
         lines[currentLine] = malloc(strlen(buffer) + 1);
         if (lines[currentLine] == NULL) {
             fprintf(stderr, "Error: Could not allocate memory to store the assembly line");
diff --git a/src/parser.c b/src/parser.c
index ba29ccf..39e0e3b 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -213,7 +213,8 @@ void parser_instruction(char asmLine[], a64inst_instruction *instr) {
     strcpy(stringptr, asmLine);
 
     char *opcode = strtok(stringptr, " ");
-    char *operands = strtok(NULL, "");
+    char *operands = strtok(stringptr, "");
+
 
     if(strcmp(opcode, ".int") == 0){
         //type is directive
@@ -223,8 +224,8 @@ void parser_instruction(char asmLine[], a64inst_instruction *instr) {
         //type is label
         //add to symbol table
         instr->type = a64inst_LABEL;
-        char *opcodeCpy = NULL;
-        opcodeCpy = strcpy(opcodeCpy, opcode);
+        char opcodeCpy[strlen(opcode)];
+        strcpy(opcodeCpy, opcode);
         char *labelData = strtok(opcodeCpy, ":");
         instr->data.LabelData.label = labelData;
     } else {