move the remove variable sysmbols function to utils

src/builtins.c

@@ -219,17 +219,3 @@ void echo(StringArray *args) {
     }
     free_string_array(no_variables);
 }
-
-char *remove_variable_symbol(char *original_variable) {
-    char *variable = malloc((strlen(original_variable)) * sizeof(char *));
-    if (variable == NULL) {
-        perror("malloc");
-        exit(EXIT_FAILURE);
-    }
-    memset(variable, 0, strlen(original_variable));
-
-    for (size_t i = 0; i < strlen(original_variable); i++) {
-        variable[i] = original_variable[i + 1];
-    }
-    return variable;
-}

src/include/builtins.h

@@ -62,11 +62,4 @@ void set_variable(StringArray *args);
  */
 void echo(StringArray *args);
 
-/**
- * Remove the $ symbol from a variable name.
- * @param original_variable The original variable name.
- * @return Returns the string without the $ symbool.
- */
-char *remove_variable_symbol(char *original_variable);
-
 #endif

src/include/utils.h

@@ -27,4 +27,12 @@ void remove_new_line(char *line);
  * @return Returns the current working directory.
  */
 char *get_working_directory();
+
+/**
+ * Remove the $ symbol from a variable name.
+ * @param original_variable The original variable name.
+ * @return Returns the string without the $ symbool.
+ */
+char *remove_variable_symbol(char *original_variable);
+
 #endif

src/utils.c

@@ -33,3 +33,17 @@ char *get_working_directory() {
     }
     return cwd;
 }
+
+char *remove_variable_symbol(char *original_variable) {
+    char *variable = malloc((strlen(original_variable)) * sizeof(char *));
+    if (variable == NULL) {
+        perror("malloc");
+        exit(EXIT_FAILURE);
+    }
+    memset(variable, 0, strlen(original_variable));
+
+    for (size_t i = 0; i < strlen(original_variable); i++) {
+        variable[i] = original_variable[i + 1];
+    }
+    return variable;
+}