Even more informative error message

openzim · Feb 13, 2022 · 3776b66 · 3776b66
1 parent 71d25f9
commit 3776b66
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/fs_unix.cpp b/src/fs_unix.cpp
@@ -28,6 +28,7 @@
 #include <unistd.h>
 #include <dirent.h>
 #include <errno.h>
+#include <string.h>
 
 namespace zim
 {
@@ -81,7 +82,8 @@ FD FS::openFile(path_t filepath)
 {
   int fd = open(filepath.c_str(), O_RDONLY);
   if (fd == -1) {
-    throw std::runtime_error("Error opening file: " + filepath);
+    const std::string errorStr = strerror(errno);
+    throw std::runtime_error("Error opening file: " + filepath + ": " + errorStr);
   }
   return FD(fd);
 }