commit 476807211c30491a92344b0222274aefbc5b5e8a Author: Steven Murdoch Steven.Murdoch@cl.cam.ac.uk Date: Wed Aug 24 20:50:58 2011 +0100

We don't need to find our own path, just tell Windows to search --- src/common/util.c | 7 ++++- src/test/test_util.c | 68 +++++-------------------------------------------- 2 files changed, 13 insertions(+), 62 deletions(-)

diff --git a/src/common/util.c b/src/common/util.c index f25dd43..8b9979c 100644 --- a/src/common/util.c +++ b/src/common/util.c @@ -3137,7 +3137,7 @@ tor_spawn_background(const char *const filename, const char **argv)

if (!retval) { log_warn(LD_GENERAL, - "Failed to create child process %s: %s", filename, + "Failed to create child process %s: %s", filename?filename:argv[0], format_win32_error(GetLastError())); } else { // TODO: Close hProcess and hThread in process_handle.pid? @@ -3657,7 +3657,12 @@ tor_check_port_forwarding(const char *filename, int dir_port, int or_port, /* Assume tor-fw-helper will succeed, start it later*/ time_to_run_helper = now + TIME_TO_EXEC_FWHELPER_SUCCESS;

+#ifdef MS_WINDOWS + /* Passing NULL as lpApplicationName makes Windows search for the .exe */ + child_handle = tor_spawn_background(NULL, argv); +#else child_handle = tor_spawn_background(filename, argv); +#endif if (child_handle.status < 0) { log_warn(LD_GENERAL, "Failed to start port forwarding helper %s", filename); diff --git a/src/test/test_util.c b/src/test/test_util.c index d30cc11..5d3f95c 100644 --- a/src/test/test_util.c +++ b/src/test/test_util.c @@ -1388,7 +1388,11 @@ run_util_spawn_background(const char *argv[], const char *expected_out, char stdout_buf[100], stderr_buf[100];

/* Start the program */ +#ifdef MS_WINDOWS + process_handle = tor_spawn_background(NULL, argv); +#else process_handle = tor_spawn_background(argv[0], argv); +#endif

tt_int_op(process_handle.status, ==, expected_status);

@@ -1425,55 +1429,14 @@ run_util_spawn_background(const char *argv[], const char *expected_out, ; }

-static char* -get_windows_path(const char *process_name, const char **dest) -{ -#ifdef MS_WINDOWS - char fn[MAX_PATH]; - DWORD retval; - char *new_fn = NULL; - int i; - - /* Get the file name of the current module */ - retval = GetModuleFileName(NULL, fn, sizeof(fn)); - if (retval >= sizeof(fn)) { - log_warn(LD_GENERAL, "Executable path name was longer than maximum (%d)", sizeof(fn)); - return NULL; - } - - /* Remove the filename component */ - for (i = retval - 1; i >= 0; i--) { - /* \0 terminate at first path separator from end */ - if ('\' == fn[i] || '/' == fn[i]) { - fn[i] = '\0'; - break; - } - } - - tor_asprintf(&new_fn, "%s\%s", fn, process_name); - *dest = new_fn; - return new_fn; -#else - (void)process_name; - (void)dest; - return NULL; -#endif -} - /** Check that we can launch a process and read the output */ static void test_util_spawn_background_ok(void *ptr) { #ifdef MS_WINDOWS - const char *argv[] = {NULL, "--test", NULL}; + const char *argv[] = {"test-child.exe", "--test", NULL}; const char *expected_out = "OUT\r\n--test\r\nSLEEPING\r\nDONE\r\n"; const char *expected_err = "ERR\r\n"; - char *filename; - - /* Find path to test-child.exe (same directory as this executable */ - filename = get_windows_path("test-child.exe", argv); - tt_assert(filename != NULL); - log_warn(LD_GENERAL, "Using %s as path", filename); #else const char *argv[] = {BUILDDIR "/src/test/test-child", "--test", NULL}; const char *expected_out = "OUT\n--test\nSLEEPING\nDONE\n"; @@ -1483,12 +1446,6 @@ test_util_spawn_background_ok(void *ptr) (void)ptr;

run_util_spawn_background(argv, expected_out, expected_err, 0, 1); - done: -#ifdef MS_WINDOWS - tor_free(filename); -#else - ; -#endif }

/** Check that failing to find the executable works as expected */ @@ -1527,18 +1484,12 @@ test_util_spawn_background_partial_read(void *ptr) process_handle_t process_handle; char stdout_buf[100], stderr_buf[100]; #ifdef MS_WINDOWS - const char *argv[] = {NULL, "--test", NULL}; + const char *argv[] = {"test-child.exe", "--test", NULL}; const char *expected_out[] = { "OUT\r\n--test\r\nSLEEPING\r\n", "DONE\r\n", NULL }; const char *expected_err = "ERR\r\n"; int expected_out_ctr; - char *filename; - - /* Find path to test-child.exe (same directory as this executable */ - filename = get_windows_path("test-child.exe", argv); - tt_assert(filename != NULL); - log_warn(LD_GENERAL, "Using %s as path", filename); #else const char *argv[] = {BUILDDIR "/src/test/test-child", "--test", NULL}; const char *expected_out = "OUT\n--test\nSLEEPING\nDONE\n"; @@ -1547,9 +1498,8 @@ test_util_spawn_background_partial_read(void *ptr) (void)ptr;

/* Start the program */ - process_handle = tor_spawn_background(argv[0], argv); + process_handle = tor_spawn_background(NULL, argv); tt_int_op(process_handle.status, ==, expected_status); - tor_free(filename);

/* Check stdout */ #ifdef MS_WINDOWS @@ -1597,11 +1547,7 @@ test_util_spawn_background_partial_read(void *ptr) tt_int_op(pos, ==, strlen(expected_err));

done: -#ifdef MS_WINDOWS - tor_free(filename); -#else ; -#endif }

static void