add some missing stuff

make sure to not include useless function calls when errors arent
enabled by wrapping all l calls in a macro

XD.c

@@ -9,26 +9,27 @@
 #include <git2.h>
 #endif
 
-enum face { EYES, NOSE, MOUTH };
+#ifdef ERR
-
 void
 l(const char *fmt, ...)
 {
-  #ifdef ERR
+  va_list ap;
-	va_list ap;
 
-	va_start(ap, fmt);
+  va_start(ap, fmt);
-	vfprintf(stderr, fmt, ap);
+  vfprintf(stderr, fmt, ap);
-	va_end(ap);
+  va_end(ap);
 
-	if (fmt[0] && fmt[strlen(fmt) - 1] == ':') {
+  if (fmt[0] && fmt[strlen(fmt) - 1] == ':') {
-		fputc(' ', stderr);
+    fputc(' ', stderr);
-		perror(NULL);
+    perror(NULL);
-	} else {
+  } else {
-		fputc('\n', stderr);
+    fputc('\n', stderr);
-	}
+  }
-  #endif
 }
+#define L(...) l(__VA_ARGS__)
+#else
+#define L(...)
+#endif
 
 #ifdef GIT
 /**
@@ -43,17 +44,17 @@ git_repository
   git_repository *repo;
 
   if (git_libgit2_init() < 0) {
-    l("Failed to initalize libgit2, proceeding without git functionality enabled.");
+    L("Failed to initalize libgit2, proceeding without git functionality enabled.");
     return NULL;
   }
 
   if (git_repository_discover(&buf, ".", 0, NULL) < 0) {
-    l("Failed to discover git repo: %s", git_error_last()->message);
+    L("Failed to discover git repo: %s", git_error_last()->message);
     return NULL;
   }
 
   if (git_repository_open(&repo, buf.ptr) < 0) {
-    l("Failed to open git repo: %s", git_error_last()->message);
+    L("Failed to open git repo: %s", git_error_last()->message);
     git_buf_dispose(&buf);
     return NULL;
   }
@@ -77,10 +78,9 @@ has_stashes(git_repository *repo)
 
   e = git_reference_lookup(&stash, repo, "refs/stash");
   if (e == GIT_ENOTFOUND) {
-    git_error_clear();
     return 0;
-  } else if (e < GIT_OK) {
+  } else if (e < 0) {
-    l("Error looking up stash reference: %s", git_error_last()->message);
+    L("Error looking up stash reference: %s", git_error_last()->message);
     return 0;
   } else {
     e = 1;
@@ -108,7 +108,7 @@ has_untracked(git_repository *repo)
     GIT_STATUS_OPT_RENAMES_HEAD_TO_INDEX;
 
   if (git_status_list_new(&list, repo, &opts) < 0) {
-    l("Error checking for untracked changes: %s", git_error_last()->message);
+    L("Error checking for untracked changes: %s", git_error_last()->message);
     return 0;
   }
 
@@ -121,6 +121,12 @@ has_untracked(git_repository *repo)
   return r;
 }
 
+/**
+ * @brief check for staged changes
+ *
+ * @param repo git repository object
+ * @return 1 if any staged changes found 0 otherwise
+ */
 int
 has_staged(git_repository *repo)
 {
@@ -129,7 +135,7 @@ has_staged(git_repository *repo)
   int i, c, r = 0;
 
   if (git_status_list_new(&list, repo, NULL) < 0) {
-    l("Error checking for staged changes: %s", git_error_last()->message);
+    L("Error checking for staged changes: %s", git_error_last()->message);
     return 0;
   }
 
@@ -156,7 +162,6 @@ int
 main(int argc, char *argv[])
 {
   int i, code = -1;
-  char face[] = { ':', 0, '|' };
 
   /* print version information */
   for (i = 1; i < argc; i++) {
@@ -177,23 +182,26 @@ main(int argc, char *argv[])
   if (git_ok) {
     /* change the eyes depending on the current git repo's status */
     if (has_stashes(repo)) {
-      face[EYES] = '8'; /* goggle eyes if we have some stashed changes */
+      printf("8"); /* goggle eyes if we have some stashed changes */
     } else if (git_repository_is_empty(repo)) {
-      face[EYES] = 'B'; /* sunglasses if we're in a new repo with no HEAD */
+      printf("B"); /* sunglasses if we're in a new repo with no HEAD */
     } else {
-      face[EYES] = ';'; /* wink when we're in a git repo */
+      printf(";"); /* wink when we're in a git repo */
     }
 
     /* change the nose depending on the current git repo's status */
     if (has_staged(repo)) {
-      face[NOSE] = '*'; /* change to broken nose for staged changes */
+      printf("*"); /* change to broken nose for staged changes */
     } else if (has_untracked(repo)) {
-      face[NOSE] = '^'; /* add a little nose when there are untracked changes in the repo */
+      printf("^"); /* add a little nose when there are untracked changes in the repo */
     } else if (git_repository_head_detached(repo)) {
-      face[NOSE] = '-'; /* add a minus nose when the HEAD is detached */
+      printf("-"); /* add a minus nose when the HEAD is detached */
     }
-  }
+  } else
   #endif
+  if (1) {
+    printf(":");
+  }
 
   /* get exit code from user args */
   if (argv[1]) {
@@ -203,20 +211,18 @@ main(int argc, char *argv[])
   /* change mouth based on exit code */
   if (code >= 0) {
     switch (code) {
-      case 0: face[MOUTH] = ')'; break; /* all good */
+      case 0: printf(")"); break; /* all good */
-      case 130: face[MOUTH] = 'O'; break; /* Ctrl-c pressed (SIGTERM) */
+      case 130: printf("O"); break; /* Ctrl-c pressed (SIGTERM) */
-      case 126: face[MOUTH] = 'P'; break; /* permission denied */
+      case 126: printf("P"); break; /* permission denied */
-      case 127: face[MOUTH] = '/'; break; /* command not found */
+      case 127: printf("/"); break; /* command not found */
-      default: face[MOUTH] = '('; break; /* all other codes (usually the program saying it has failed) */
+      default: printf("("); break; /* all other codes (usually the program saying it has failed) */
     }
   } else {
-    face[MOUTH] = '|'; /* no code info */
+    printf("|"); /* no code info */
   }
 
   #ifdef GIT
   git_repository_free(repo);
   git_libgit2_shutdown();
   #endif
-
-  printf("%c%c%c", face[EYES], face[NOSE], face[MOUTH]);
 }