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cmd: Avoid unneeded strlenW() calls. 

Neither WCMD_give_help(), nor WCMD_setshow_default() are ever called
with a NULL pointer (notice how WCMD_skip_leading_spaces() already
assumes its argument is not NULL and does not return NULL).

Signed-off-by: Francois Gouget <fgouget@free.fr>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Francois Gouget 2019-12-09 09:48:16 +01:00 committed by Alexandre Julliard
parent 9fbfa988f2
commit 040c435075
1 changed files with 12 additions and 11 deletions
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23
programs/cmd/builtins.c
View File

@ -2549,7 +2549,7 @@ void WCMD_give_help (const WCHAR *args)
size_t i;
args = WCMD_skip_leading_spaces((WCHAR*) args);
if (lstrlenW(args) == 0) {
if (!*args) {
WCMD_output_asis (WCMD_LoadMessage(WCMD_ALLHELP));
}
else {
@ -3460,7 +3460,8 @@ void WCMD_setshow_default (const WCHAR *args) {
}
GetCurrentDirectoryW(ARRAY_SIZE(cwd), cwd);
if (lstrlenW(args) == 0) {
if (!*args) {
lstrcatW (cwd, newlineW);
WCMD_output_asis (cwd);
}
@ -3552,7 +3553,7 @@ void WCMD_setshow_date (void) {
DWORD count;
static const WCHAR parmT[] = {'/','T','\0'};
if (lstrlenW(param1) == 0) {
if (!*param1) {
if (GetDateFormatW(LOCALE_USER_DEFAULT, 0, NULL, NULL, curdate, ARRAY_SIZE(curdate))) {
WCMD_output (WCMD_LoadMessage(WCMD_CURRENTDATE), curdate);
if (wcsstr (quals, parmT) == NULL) {
@ -4194,7 +4195,7 @@ void WCMD_setshow_env (WCHAR *s) {
/* Output the prompt */
*p++ = '\0';
if (lstrlenW(p) != 0) WCMD_output_asis(p);
if (*p) WCMD_output_asis(p);
/* Read the reply */
WCMD_ReadFile(GetStdHandle(STD_INPUT_HANDLE), string, ARRAY_SIZE(string), &count);
@ -4268,7 +4269,7 @@ void WCMD_setshow_env (WCHAR *s) {
}
*p++ = '\0';
if (lstrlenW(p) == 0) p = NULL;
if (!*p) p = NULL;
WINE_TRACE("set: Setting var '%s' to '%s'\n", wine_dbgstr_w(s),
wine_dbgstr_w(p));
status = SetEnvironmentVariableW(s, p);
@ -4293,7 +4294,7 @@ void WCMD_setshow_path (const WCHAR *args) {
static const WCHAR pathW[] = {'P','A','T','H','\0'};
static const WCHAR pathEqW[] = {'P','A','T','H','=','\0'};
if (lstrlenW(param1) == 0 && lstrlenW(param2) == 0) {
if (!*param1 && !*param2) {
status = GetEnvironmentVariableW(pathW, string, ARRAY_SIZE(string));
if (status != 0) {
WCMD_output_asis ( pathEqW);
@ -4322,13 +4323,13 @@ void WCMD_setshow_prompt (void) {
WCHAR *s;
static const WCHAR promptW[] = {'P','R','O','M','P','T','\0'};
if (lstrlenW(param1) == 0) {
if (!*param1) {
SetEnvironmentVariableW(promptW, NULL);
}
else {
s = param1;
while ((*s == '=') || (*s == ' ') || (*s == '\t')) s++;
if (lstrlenW(s) == 0) {
if (!*s) {
SetEnvironmentVariableW(promptW, NULL);
}
else SetEnvironmentVariableW(promptW, s);
@ -4349,7 +4350,7 @@ void WCMD_setshow_time (void) {
SYSTEMTIME st;
static const WCHAR parmT[] = {'/','T','\0'};
if (lstrlenW(param1) == 0) {
if (!*param1) {
GetLocalTime(&st);
if (GetTimeFormatW(LOCALE_USER_DEFAULT, 0, &st, NULL, curtime, ARRAY_SIZE(curtime))) {
WCMD_output (WCMD_LoadMessage(WCMD_CURRENTTIME), curtime);
@ -4756,7 +4757,7 @@ int WCMD_volume(BOOL set_label, const WCHAR *path)
WCHAR string[MAX_PATH], label[MAX_PATH], curdir[MAX_PATH];
BOOL status;
if (lstrlenW(path) == 0) {
if (!*path) {
status = GetCurrentDirectoryW(ARRAY_SIZE(curdir), curdir);
if (!status) {
WCMD_print_error ();
@ -4794,7 +4795,7 @@ int WCMD_volume(BOOL set_label, const WCHAR *path)
string[count-1] = '\0'; /* ReadFile output is not null-terminated! */
if (string[count-2] == '\r') string[count-2] = '\0'; /* Under Windoze we get CRLF! */
}
if (lstrlenW(path) != 0) {
if (*path) {
if (!SetVolumeLabelW(curdir, string)) WCMD_print_error ();
}
else {