prefer command pallet

Author: dreamer-coding

code/logic/app.c

@@ -13,30 +13,32 @@
  */
 #include "fossil/code/app.h"
 #include <unistd.h>
+#include <string.h>
+#include <stdbool.h>
 
 
-void show_commands() {
-    printf("Usage: fossil_app [OPTIONS]\n");
-    printf("  --help           Show this help message\n");
-    printf("  --version        Show version information\n");
-    printf("  color            Enable colored output ('enable'/disable/auto)\n");
+void show_commands(void) {
+    fossil_io_printf("{blue}Usage: fossil_app [OPTIONS]{reset}\n");
+    fossil_io_printf("{cyan}  --help           Show this help message{reset}\n");
+    fossil_io_printf("{cyan}  --version        Show version information{reset}\n");
+    fossil_io_printf("{cyan}  color            Enable colored output ({yellow}'enable'/disable/auto{cyan}){reset}\n");
     exit(0);
 }
 
-void show_version() {
-    printf("%s version %s\n", FOSSIL_APP_NAME, FOSSIL_APP_VERSION);
+void show_version(void) {
+    fossil_io_printf("{blue}%s version %s{reset}\n", FOSSIL_APP_NAME, FOSSIL_APP_VERSION);
     exit(0);
 }
 
 bool app_entry(int argc, char** argv) {
-    bool color_enabled = false;
     for (int i = 1; i < argc; ++i) {
+        if (argv[i] == NULL) continue;
         if (strcmp(argv[i], "--help") == 0) {
             show_commands();
         } else if (strcmp(argv[i], "--version") == 0) {
             show_version();
         } else if (strcmp(argv[i], "color") == 0) {
-            if (i + 1 < argc) {
+            if (i + 1 < argc && argv[i + 1] != NULL) {
                 if (strcmp(argv[i + 1], "enable") == 0) {
                     FOSSIL_IO_COLOR_ENABLE = true;
                 } else if (strcmp(argv[i + 1], "disable") == 0) {
@@ -48,6 +50,5 @@ bool app_entry(int argc, char** argv) {
             }
         }
     }
-
     return 0;
 }