set resource loading path relative to the executable

client/deps/glbench/src/utils.cc

 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <fcntl.h>
 #include <stdio.h>
 #include <string.h>
 #include <sys/mman.h>
 #include <unistd.h>
 
 #include "utils.h"
 
+#include "base/file_path.h"
 #include "base/logging.h"
 #include "main.h"
 
-void *MmapFile(const char *name, size_t *length) {
-  int fd = open(name, O_RDONLY);
+FilePath *g_base_path = new FilePath();
+
+// Sets the base path for MmapFile to `dirname($argv0)`/$relative.
+void SetBasePathFromArgv0(const char* argv0, const char* relative) {

[Alexey Marinichev, 2010/03/12 19:22:59]

Everywhere else, including line 17, pointers are declared with space before
star.

+  if (g_base_path) {
+    delete g_base_path;
+  }
+  FilePath argv0_path = FilePath(argv0).DirName();
+  FilePath base_path = relative ? argv0_path.Append(relative) : argv0_path;
+  g_base_path = new FilePath(base_path);
+}
+
+void *MmapFile(const char* name, size_t* length) {

[Alexey Marinichev, 2010/03/12 19:22:59]

Same thing here.

+  FilePath filename = g_base_path->Append(name);
+  int fd = open(filename.value().c_str(), O_RDONLY);
   if (fd == -1)
     return NULL;
 
   struct stat sb;
   CHECK(fstat(fd, &sb) != -1);
 
   char *mmap_ptr = static_cast<char *>(
     mmap(NULL, sb.st_size, PROT_READ, MAP_PRIVATE, fd, 0));
 
   close(fd);
@@ skipping 40 matching lines @@
   glAttachShader(program, fragment_shader);
   glLinkProgram(program);
   print_info_log(program);
   glUseProgram(program);
 
   glDeleteShader(vertex_shader);
   glDeleteShader(fragment_shader);
 
   return program;
 }