From: Rémi Verschelde <rverschelde@gmail.com>
Date: Wed, 6 Sep 2017 12:31:42 +0000 (+0200)
Subject: Fix unused-result warning for chdir
X-Git-Url: https://git.jsancho.org/?a=commitdiff_plain;h=a8e0e96af3222c42663b3c60158caed20ac46829;p=lugaru.git

Fix unused-result warning for chdir

Fixes this warning:

Source/main.cpp: In function 'void chdirToAppPath(const char*)':
Source/main.cpp:581:14: warning: ignoring return value of 'int chdir(const char*)', declared with attribute warn_unused_result [-Wunused-result]
         chdir(dir);
         ~~~~~^~~~~
---

diff --git a/Source/main.cpp b/Source/main.cpp
index e0270b6..cacfabd 100644
--- a/Source/main.cpp
+++ b/Source/main.cpp
@@ -579,7 +579,10 @@ static inline void chdirToAppPath(const char* argv0)
                 *ptr = '\0';
         }
 #endif
-        chdir(dir);
+        errno = 0;
+        if (chdir(dir) != 0) {
+            printf("Error changing dir to '%s' (%s).\n", dir, strerror(errno));
+        }
         free(dir);
     }
 }