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Avoid hard-coded command line length limit in WCMD_process_command.

This commit is contained in:
Alexandre Julliard 2003-07-09 22:21:04 +00:00
parent ea6863c182
commit 9fc5e6f098
1 changed files with 17 additions and 12 deletions
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29
programs/wcmd/wcmdmain.c
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@ -253,23 +253,24 @@ int main (int argc, char *argv[])
*/
void WCMD_process_command (char *command) {
char cmd[1024];
char *p;
int status, i;
DWORD count;
HANDLE old_stdin = 0, old_stdout = 0, h;
char *whichcmd;
void WCMD_process_command (char *command)
{
char *cmd, *p;
int status, i, len;
DWORD count;
HANDLE old_stdin = 0, old_stdout = 0, h;
char *whichcmd;
/*
* Expand up environment variables.
*/
status = ExpandEnvironmentStrings (command, cmd, sizeof(cmd));
len = ExpandEnvironmentStrings (command, NULL, 0);
cmd = HeapAlloc( GetProcessHeap(), 0, len );
status = ExpandEnvironmentStrings (command, cmd, len);
if (!status) {
WCMD_print_error ();
HeapFree( GetProcessHeap(), 0, cmd );
return;
}
@ -280,6 +281,7 @@ char *whichcmd;
if ((cmd[1] == ':') && IsCharAlpha (cmd[0]) && (strlen(cmd) == 2)) {
status = SetCurrentDirectory (cmd);
if (!status) WCMD_print_error ();
HeapFree( GetProcessHeap(), 0, cmd );
return;
}
@ -294,6 +296,7 @@ char *whichcmd;
FILE_ATTRIBUTE_NORMAL, NULL);
if (h == INVALID_HANDLE_VALUE) {
WCMD_print_error ();
HeapFree( GetProcessHeap(), 0, cmd );
return;
}
old_stdin = GetStdHandle (STD_INPUT_HANDLE);
@ -304,6 +307,7 @@ char *whichcmd;
FILE_ATTRIBUTE_NORMAL, NULL);
if (h == INVALID_HANDLE_VALUE) {
WCMD_print_error ();
HeapFree( GetProcessHeap(), 0, cmd );
return;
}
old_stdout = GetStdHandle (STD_OUTPUT_HANDLE);
@ -442,7 +446,8 @@ char *whichcmd;
ExitProcess (0);
default:
WCMD_run_program (whichcmd);
};
}
HeapFree( GetProcessHeap(), 0, cmd );
if (old_stdin) {
CloseHandle (GetStdHandle (STD_INPUT_HANDLE));
SetStdHandle (STD_INPUT_HANDLE, old_stdin);
@ -451,7 +456,7 @@ char *whichcmd;
CloseHandle (GetStdHandle (STD_OUTPUT_HANDLE));
SetStdHandle (STD_OUTPUT_HANDLE, old_stdout);
}
}
}
/******************************************************************************
* WCMD_run_program