thodg/libgit2/tests-clar/core/env.c

• Show log

  Commit

• Hash : dbab0459
  Author :
  Date : 2012-05-26T14:59:07
  

  tests-clar/core: fix non-null warning gcc 4.7.0 apparently doesn't see that we won't call setenv with NULL as second argument.

Download

• tests-clar/core/env.c

• #include "clar_libgit2.h"
  #include "fileops.h"
  #include "path.h"
  
  #ifdef GIT_WIN32
  
  #include "win32/utf-conv.h"
  
  static char *cl_getenv(const char *name)
  {
  	wchar_t *name_utf16 = gitwin_to_utf16(name);
  	DWORD value_len, alloc_len;
  	wchar_t *value_utf16;
  	char *value_utf8;
  
  	cl_assert(name_utf16);
  	alloc_len = GetEnvironmentVariableW(name_utf16, NULL, 0);
  	if (alloc_len <= 0)
  		return NULL;
  
  	cl_assert(value_utf16 = git__calloc(alloc_len, sizeof(wchar_t)));
  
  	value_len = GetEnvironmentVariableW(name_utf16, value_utf16, alloc_len);
  	cl_assert_equal_i(value_len, alloc_len - 1);
  
  	cl_assert(value_utf8 = gitwin_from_utf16(value_utf16));
  
  	git__free(value_utf16);
  
  	return value_utf8;
  }
  
  static int cl_setenv(const char *name, const char *value)
  {
  	wchar_t *name_utf16 = gitwin_to_utf16(name);
  	wchar_t *value_utf16 = value ? gitwin_to_utf16(value) : NULL;
  
  	cl_assert(name_utf16);
  	cl_assert(SetEnvironmentVariableW(name_utf16, value_utf16));
  
  	git__free(name_utf16);
  	git__free(value_utf16);
  
  	return 0;
  
  }
  #else
  
  #include <stdlib.h>
  #define cl_getenv(n)   getenv(n)
  
  static int cl_setenv(const char *name, const char *value)
  {
  	return (value == NULL) ? unsetenv(name) : setenv(name, value, 1);
  }
  #endif
  
  #ifdef GIT_WIN32
  static char *env_userprofile = NULL;
  static char *env_programfiles = NULL;
  #else
  static char *env_home = NULL;
  #endif
  
  void test_core_env__initialize(void)
  {
  #ifdef GIT_WIN32
  	env_userprofile = cl_getenv("USERPROFILE");
  	env_programfiles = cl_getenv("PROGRAMFILES");
  #else
  	env_home = cl_getenv("HOME");
  #endif
  }
  
  void test_core_env__cleanup(void)
  {
  #ifdef GIT_WIN32
  	cl_setenv("USERPROFILE", env_userprofile);
  	git__free(env_userprofile);
  	cl_setenv("PROGRAMFILES", env_programfiles);
  	git__free(env_programfiles);
  #else
  	cl_setenv("HOME", env_home);
  #endif
  }
  
  void test_core_env__0(void)
  {
  	static char *home_values[] = {
  		"fake_home",
  		"fáke_hõme", /* all in latin-1 supplement */
  		"fĀke_Ĥome", /* latin extended */
  		"fακε_hοmέ",  /* having fun with greek */
  		"faงe_นome", /* now I have no idea, but thai characters */
  		"f\xe1\x9cx80ke_\xe1\x9c\x91ome", /* tagalog characters */
  		"\xe1\xb8\x9fẢke_hoṁe", /* latin extended additional */
  		"\xf0\x9f\x98\x98\xf0\x9f\x98\x82", /* emoticons */
  		NULL
  	};
  	git_buf path = GIT_BUF_INIT, found = GIT_BUF_INIT;
  	char **val;
  	char *check;
  
  	for (val = home_values; *val != NULL; val++) {
  
  		if (p_mkdir(*val, 0777) == 0) {
  			/* if we can't make the directory, let's just assume
  			 * we are on a filesystem that doesn't support the
  			 * characters in question and skip this test...
  			 */
  			cl_git_pass(git_path_prettify(&path, *val, NULL));
  
  #ifdef GIT_WIN32
  			cl_git_pass(cl_setenv("USERPROFILE", path.ptr));
  
  			/* do a quick check that it was set correctly */
  			check = cl_getenv("USERPROFILE");
  			cl_assert_equal_s(path.ptr, check);
  			git__free(check);
  #else
  			cl_git_pass(cl_setenv("HOME", path.ptr));
  
  			/* do a quick check that it was set correctly */
  			check = cl_getenv("HOME");
  			cl_assert_equal_s(path.ptr, check);
  #endif
  
  			cl_git_pass(git_buf_puts(&path, "/testfile"));
  			cl_git_mkfile(path.ptr, "find me");
  
  			cl_git_pass(git_futils_find_global_file(&found, "testfile"));
  		}
  	}
  
  	git_buf_free(&path);
  	git_buf_free(&found);
  }
  
  void test_core_env__1(void)
  {
  	git_buf path = GIT_BUF_INIT;
  
  	cl_assert(git_futils_find_global_file(&path, "nonexistentfile") == GIT_ENOTFOUND);
  
  #ifdef GIT_WIN32
  	cl_git_pass(cl_setenv("USERPROFILE", "doesnotexist"));
  #else
  	cl_git_pass(cl_setenv("HOME", "doesnotexist"));
  #endif
  
  	cl_assert(git_futils_find_global_file(&path, "nonexistentfile") == GIT_ENOTFOUND);
  
  #ifdef GIT_WIN32
  	cl_git_pass(cl_setenv("USERPROFILE", NULL));
  #else
  	cl_git_pass(cl_setenv("HOME", NULL));
  #endif
  
  	cl_assert(git_futils_find_global_file(&path, "nonexistentfile") == -1);
  
  	cl_assert(git_futils_find_system_file(&path, "nonexistentfile") == GIT_ENOTFOUND);
  
  #ifdef GIT_WIN32
  	cl_git_pass(cl_setenv("PROGRAMFILES", NULL));
  
  	cl_assert(git_futils_find_system_file(&path, "nonexistentfile") == -1);
  #endif
  }
  

Download