From eeae9208c50c6bb17b172817b13137ce4b242612 Mon Sep 17 00:00:00 2001
From: thevindu-w <thevinduwijesekera99@gmail.com>
Date: Sun, 15 Dec 2024 23:51:57 +0530
Subject: [PATCH] Fix working_dir containing back-slashes and ending slash on
 Windows

---
 main.c        | 10 ++++++++++
 utils/utils.c | 11 ++---------
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/main.c b/main.c
index d8750d7..6cdd64b 100644
--- a/main.c
+++ b/main.c
@@ -157,6 +157,16 @@ static inline void _set_error_log_file(const char *path) {
  * Change working directory to the directory specified in the configuration
  */
 static inline void _change_working_dir(void) {
+    if (!configuration.working_dir) error_exit("Invalid working directory");
+    char *ptr;
+    for (ptr = configuration.working_dir; *ptr; ptr++) {
+        if (*ptr == PATH_SEP) *ptr = '/';
+    }
+    ptr--;
+    while (*ptr == '/' && ptr > configuration.working_dir) {  // do not remove / from root
+        *ptr = 0;
+        ptr--;
+    }
     if (!is_directory(configuration.working_dir, 1)) {
         char err[3072];
         snprintf_check(err, 3072, "Error: Not existing working directory \'%s\'", configuration.working_dir);
diff --git a/utils/utils.c b/utils/utils.c
index 9d98f5f..efe08dd 100644
--- a/utils/utils.c
+++ b/utils/utils.c
@@ -189,18 +189,11 @@ int is_directory(const char *path, int follow_symlinks) {
 #elif defined(_WIN32)
     (void)follow_symlinks;
     wchar_t *wpath;
-    if (utf8_to_wchar_str(path, &wpath, NULL) != EXIT_SUCCESS) return -1;
+    if (utf8_to_wchar_str(path, &wpath, NULL) != EXIT_SUCCESS) return 0;
     stat_result = _wstat64(wpath, &sb);
     free(wpath);
 #endif
-    if (stat_result == 0) {
-        if (S_ISDIR(sb.st_mode)) {
-            return 1;
-        } else {
-            return 0;
-        }
-    }
-    return 0;
+    return (stat_result == 0) && S_ISDIR(sb.st_mode);
 }
 
 void png_mem_write_data(png_structp png_ptr, png_bytep data, png_size_t length) {