Merge branch 'assembler-s' into 'assembler-e'

Assembler s

See merge request lab2324_summer/armv8_43!14

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");