Viewing file:  w32shell.c (1.58 KB) -rw-r--r--
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#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <string.h>
#ifdef __MINGW32__
# ifdef NO_GLOBBING
int _CRT_glob = 0;
# endif
#endif
/* The more I learn about this OS, the less I care for it. This program
* is necessary to run pipes. Yuk!
*/
static char *build_cmd (char **args, unsigned int num)
{
unsigned int len;
unsigned int i;
char *buf;
len = 0;
for (i = 0; i < num; i++)
len += strlen (args[i]) + 1;
if (NULL == (buf = malloc (len + 1)))
{
fprintf (stderr, "Out of memory\n");
return NULL;
}
len = 0;
for (i = 0; i < num; i++)
{
strcpy (buf + len, args[i]);
len += strlen (args[i]);
buf[len] = ' ';
len++;
}
buf[len] = 0;
return buf;
}
int main (int argc, char **argv)
{
STARTUPINFO si;
PROCESS_INFORMATION pi;
char *cmd;
if (argc == 1)
{
fprintf (stderr, "Usage: %s CMD", argv[0]);
return 1;
}
if (NULL == (cmd = build_cmd (argv + 1, argc-1)))
return 1;
memset ((char *) &si, 0, sizeof (STARTUPINFO));
si.cb = sizeof(STARTUPINFO);
si.dwFlags = STARTF_USESTDHANDLES;
si.hStdInput = GetStdHandle (STD_INPUT_HANDLE);
si.hStdOutput = GetStdHandle (STD_OUTPUT_HANDLE);
si.hStdError = GetStdHandle (STD_ERROR_HANDLE);
if (FALSE == CreateProcess (NULL, cmd, NULL, NULL, TRUE, 0, NULL, NULL,
&si, &pi))
{
fprintf (stderr, "%s: Command '%s' failed to run\n", argv[0], cmd);
free (cmd);
return 1;
}
WaitForSingleObject (pi.hProcess, INFINITE);
CloseHandle (pi.hProcess);
CloseHandle (pi.hThread);
free (cmd);
return 0;
}
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