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cmd: Infer handle type from handle value in WCMD_fgets and WCMD_ReadAndParseLine.

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This commit is contained in:
Frédéric Delanoy 2011-10-06 18:50:31 +02:00 committed by Alexandre Julliard
parent ea35386b2b
commit 5e3cb1867b
4 changed files with 18 additions and 24 deletions
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6
programs/cmd/batch.c
View file

@ -89,7 +89,7 @@ void WCMD_batch (WCHAR *file, WCHAR *command, int called, WCHAR *startLabel, HAN
while (context -> skip_rest == FALSE) {
CMD_LIST *toExecute = NULL; /* Commands left to be executed */
if (!WCMD_ReadAndParseLine(NULL, &toExecute, h, FALSE))
if (!WCMD_ReadAndParseLine(NULL, &toExecute, h))
break;
WCMD_process_commands(toExecute, FALSE, NULL, NULL);
WCMD_free_commands(toExecute);
@ -186,7 +186,7 @@ WCHAR *WCMD_parameter (WCHAR *s, int n, WCHAR **where, WCHAR **end) {
* NULL on error or EOF
*/
WCHAR *WCMD_fgets(WCHAR *buf, int noChars, HANDLE h, const BOOL is_console_handle)
WCHAR *WCMD_fgets(WCHAR *buf, int noChars, HANDLE h)
{
DWORD bytes, charsRead;
BOOL status;
@ -196,7 +196,7 @@ WCHAR *WCMD_fgets(WCHAR *buf, int noChars, HANDLE h, const BOOL is_console_handl
between DOS and Unix. Also need to lose the LF (or CRLF) from the line. */
p = buf;
if (is_console_handle) {
if (WCMD_is_console_handle(h)) {
status = ReadConsoleW(h, buf, noChars, &charsRead, NULL);
if (!status) return NULL;
if (buf[charsRead-2] == '\r')

4
programs/cmd/builtins.c
View file

@ -1133,7 +1133,7 @@ void WCMD_for (WCHAR *p, CMD_LIST **cmdList) {
WCHAR buffer[MAXSTRING] = {'\0'};
WCHAR *where, *parm;
while (WCMD_fgets(buffer, sizeof(buffer)/sizeof(WCHAR), input, FALSE)) {
while (WCMD_fgets(buffer, sizeof(buffer)/sizeof(WCHAR), input)) {
/* Skip blank lines*/
parm = WCMD_parameter (buffer, 0, &where, NULL);
@ -1393,7 +1393,7 @@ void WCMD_goto (CMD_LIST **cmdList) {
if (*paramStart == ':') paramStart++;
SetFilePointer (context -> h, 0, NULL, FILE_BEGIN);
while (WCMD_fgets (string, sizeof(string)/sizeof(WCHAR), context -> h, FALSE)) {
while (WCMD_fgets (string, sizeof(string)/sizeof(WCHAR), context -> h)) {
str = string;
while (isspaceW (*str)) str++;
if (*str == ':') {

9
programs/cmd/wcmd.h
View file

@ -97,7 +97,11 @@ void WCMD_verify (const WCHAR *command);
void WCMD_version (void);
int WCMD_volume (BOOL set_label, const WCHAR *command);
WCHAR *WCMD_fgets (WCHAR *buf, int n, HANDLE stream, const BOOL is_console_handle);
static inline BOOL WCMD_is_console_handle(HANDLE h)
{
return (((DWORD_PTR)h) & 3) == 3;
}
WCHAR *WCMD_fgets (WCHAR *buf, int n, HANDLE stream);
WCHAR *WCMD_parameter (WCHAR *s, int n, WCHAR **where, WCHAR **end);
WCHAR *WCMD_skip_leading_spaces (WCHAR *string);
BOOL WCMD_keyword_ws_found(const WCHAR *keyword, int len, const WCHAR *ptr);
@ -110,8 +114,7 @@ WCHAR *WCMD_strdupW(const WCHAR *input);
void WCMD_strsubstW(WCHAR *start, const WCHAR* next, const WCHAR* insert, int len);
BOOL WCMD_ReadFile(const HANDLE hIn, WCHAR *intoBuf, const DWORD maxChars, LPDWORD charsRead);
WCHAR *WCMD_ReadAndParseLine(const WCHAR *initialcmd, CMD_LIST **output,
HANDLE readFrom, const BOOL is_console_handle);
WCHAR *WCMD_ReadAndParseLine(const WCHAR *initialcmd, CMD_LIST **output, HANDLE readFrom);
CMD_LIST *WCMD_process_commands(CMD_LIST *thisCmd, BOOL oneBracket,
const WCHAR *var, const WCHAR *val);
void WCMD_free_commands(CMD_LIST *cmds);

23
programs/cmd/wcmdmain.c
View file

@ -233,11 +233,6 @@ void WCMD_leave_paged_mode(void)
pagedMessage = NULL;
}
static inline BOOL is_console_handle(HANDLE h)
{
return (((DWORD_PTR)h) & 3) == 3;
}
/***************************************************************************
* WCMD_Readfile
*
@ -248,7 +243,7 @@ BOOL WCMD_ReadFile(const HANDLE hIn, WCHAR *intoBuf, const DWORD maxChars, LPDWO
DWORD numRead;
char *buffer;
if (is_console_handle(hIn))
if (WCMD_is_console_handle(hIn))
/* Try to read from console as Unicode */
return ReadConsoleW(hIn, intoBuf, maxChars, charsRead, NULL);
@ -1781,8 +1776,7 @@ static BOOL WCMD_IsEndQuote(const WCHAR *quote, int quoteIndex)
* - Anything else gets put into the command string (including
* redirects)
*/
WCHAR *WCMD_ReadAndParseLine(const WCHAR *optionalcmd, CMD_LIST **output,
HANDLE readFrom, const BOOL is_console_handle)
WCHAR *WCMD_ReadAndParseLine(const WCHAR *optionalcmd, CMD_LIST **output, HANDLE readFrom)
{
WCHAR *curPos;
int inQuotes = 0;
@ -1827,7 +1821,7 @@ WCHAR *WCMD_ReadAndParseLine(const WCHAR *optionalcmd, CMD_LIST **output,
} else if (readFrom == INVALID_HANDLE_VALUE) {
WINE_FIXME("No command nor handle supplied\n");
} else {
if (!WCMD_fgets(extraSpace, MAXSTRING, readFrom, is_console_handle))
if (!WCMD_fgets(extraSpace, MAXSTRING, readFrom))
return NULL;
}
curPos = extraSpace;
@ -2188,7 +2182,7 @@ WCHAR *WCMD_ReadAndParseLine(const WCHAR *optionalcmd, CMD_LIST **output,
/* Read more, skipping any blank lines */
while (*extraSpace == 0x00) {
if (!context) WCMD_output_asis( WCMD_LoadMessage(WCMD_MOREPROMPT));
if (!WCMD_fgets(extraSpace, MAXSTRING, readFrom, is_console_handle))
if (!WCMD_fgets(extraSpace, MAXSTRING, readFrom))
break;
}
curPos = extraSpace;
@ -2280,8 +2274,6 @@ int wmain (int argc, WCHAR *argvW[])
WCHAR string[1024];
WCHAR envvar[4];
int opt_q;
BOOL is_console;
DWORD dummy;
int opt_t = 0;
static const WCHAR promptW[] = {'P','R','O','M','P','T','\0'};
static const WCHAR defaultpromptW[] = {'$','P','$','G','\0'};
@ -2497,7 +2489,7 @@ int wmain (int argc, WCHAR *argvW[])
*/
/* Parse the command string, without reading any more input */
WCMD_ReadAndParseLine(cmd, &toExecute, INVALID_HANDLE_VALUE, FALSE);
WCMD_ReadAndParseLine(cmd, &toExecute, INVALID_HANDLE_VALUE);
WCMD_process_commands(toExecute, FALSE, NULL, NULL);
WCMD_free_commands(toExecute);
toExecute = NULL;
@ -2593,7 +2585,7 @@ int wmain (int argc, WCHAR *argvW[])
if (opt_k) {
/* Parse the command string, without reading any more input */
WCMD_ReadAndParseLine(cmd, &toExecute, INVALID_HANDLE_VALUE, FALSE);
WCMD_ReadAndParseLine(cmd, &toExecute, INVALID_HANDLE_VALUE);
WCMD_process_commands(toExecute, FALSE, NULL, NULL);
WCMD_free_commands(toExecute);
toExecute = NULL;
@ -2606,13 +2598,12 @@ int wmain (int argc, WCHAR *argvW[])
SetEnvironmentVariableW(promptW, defaultpromptW);
WCMD_version ();
is_console = !!GetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), &dummy);
while (TRUE) {
/* Read until EOF (which for std input is never, but if redirect
in place, may occur */
if (echo_mode) WCMD_show_prompt();
if (!WCMD_ReadAndParseLine(NULL, &toExecute, GetStdHandle(STD_INPUT_HANDLE), is_console))
if (!WCMD_ReadAndParseLine(NULL, &toExecute, GetStdHandle(STD_INPUT_HANDLE)))
break;
WCMD_process_commands(toExecute, FALSE, NULL, NULL);
WCMD_free_commands(toExecute);