forked from Imagelibrary/rtems
76 lines
1.3 KiB
C
76 lines
1.3 KiB
C
/*
|
|
* Set an environment vairable.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
|
|
#include <rtems.h>
|
|
#include <rtems/shell.h>
|
|
#include "internal.h"
|
|
|
|
int rtems_shell_main_setenv(int argc, char *argv[])
|
|
{
|
|
char* env = NULL;
|
|
char* string = NULL;
|
|
int len = 0;
|
|
int arg;
|
|
char* p;
|
|
|
|
if (argc <= 2)
|
|
{
|
|
printf ("error: no variable or string\n");
|
|
return 1;
|
|
}
|
|
|
|
env = argv[1];
|
|
|
|
for (arg = 2; arg < argc; arg++)
|
|
len += strlen (argv[arg]);
|
|
|
|
len += argc - 2 - 1;
|
|
|
|
string = malloc (len + 1);
|
|
|
|
if (!string)
|
|
{
|
|
printf ("error: no memory\n");
|
|
return 1;
|
|
}
|
|
|
|
for (arg = 2, p = string; arg < argc; arg++)
|
|
{
|
|
strcpy (p, argv[arg]);
|
|
p += strlen (argv[arg]);
|
|
if (arg < (argc - 1))
|
|
{
|
|
*p = ' ';
|
|
p++;
|
|
}
|
|
}
|
|
|
|
if (setenv (env, string, 1) < 0)
|
|
{
|
|
printf ("error: %s\n", strerror (errno));
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
rtems_shell_cmd_t rtems_shell_SETENV_Command = {
|
|
"setenv", /* name */
|
|
"setenv [var] [string]", /* usage */
|
|
"misc", /* topic */
|
|
rtems_shell_main_setenv, /* command */
|
|
NULL, /* alias */
|
|
NULL /* next */
|
|
};
|