[Add] Create ~/.lephisto/conf if not found. Though, leave it empty.

src/conf.c

@@ -283,8 +283,9 @@ int conf_loadConfig(const char* file) {
     }
   } else {
     /* Failed to load the config file.. */
-    DEBUG("Config file '%s' not found.", file);
     lua_close(L);
+    DEBUG("Config file '%s' not found.", file);
+    lfile_touch(file);
     return 1;
   }
   lua_close(L);

src/lfile.c

@@ -244,3 +244,32 @@ char** lfile_readDir(int* lfiles, const char* path, ...) {
   return files;
 }
 
+/**
+ * @brief Tries to create the file if it doesn't exist.
+ *    @param path Path of the file to create.
+ */
+int lfile_touch(const char* path, ...) {
+  char file[PATH_MAX];
+  va_list ap;
+  size_t l;
+  FILE* f;
+
+  l = 0;
+  if(path == NULL) return -1;
+  else { /* Get the message. */
+    va_start(ap, path);
+    vsnprintf(file, PATH_MAX-l, path, ap);
+    l = strlen(file);
+    va_end(ap);
+  }
+
+  /* Try to open the file, C89 cmpliant, but not as precise as stat. */
+  f = fopen(file, "a+");
+  if(f == NULL) {
+    WARN("Unable to touch file '%s': %s", file, strerror(errno));
+    return -1;
+  }
+  fclose(f);
+  return 0;
+}
+

src/lfile.h

@@ -10,3 +10,5 @@ int     lfile_fileExists(const char* path, ...);
 
 char**  lfile_readDir(int* lfiles, const char* path, ...);
 
+int lfile_touch(const char* path, ...);
+