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Code Issues Releases Wiki Activity

added -v flag and usage()

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This commit is contained in:
Todd C. Miller 1994-05-25 03:08:45 +00:00
parent 51ae4df137
commit 6e7d42f3e1
1 changed files with 37 additions and 0 deletions
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37
visudo.c
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@ -55,6 +55,7 @@ static char rcsid[] = "$Id$";
#include <sys/file.h> #include <sys/file.h>
#include "sudo.h" #include "sudo.h"
#include "version.h"
#ifndef STDC_HEADERS #ifndef STDC_HEADERS
extern char *getenv(); extern char *getenv();
@ -66,6 +67,7 @@ extern int errno, yylineno;
/* /*
* Globals * Globals
*/ */
char **Argv;
char buffer[BUFSIZ]; char buffer[BUFSIZ];
char *sudoers = _PATH_SUDO_SUDOERS; char *sudoers = _PATH_SUDO_SUDOERS;
char *sudoers_tmp_file = _PATH_SUDO_STMP; char *sudoers_tmp_file = _PATH_SUDO_STMP;
@ -74,6 +76,12 @@ int status = 0,
FILE *sudoers_tmp_fp=NULL, FILE *sudoers_tmp_fp=NULL,
*sudoers_fp=NULL; *sudoers_fp=NULL;
/*
* local functions not visible outside visudo.c
*/
static void usage();
static RETSIGTYPE Exit(sig) static RETSIGTYPE Exit(sig)
int sig; int sig;
{ {
@ -95,6 +103,21 @@ main(argc, argv)
char * Editor; char * Editor;
#endif /* ENV_EDITOR */ #endif /* ENV_EDITOR */
Argv = argv;
if (argc > 1) {
/*
* print version string and exit if we got -v
*/
if (!strcmp(argv[1], "-v")) {
(void) printf("visudo version %s\n", version);
exit(0);
} else {
usage();
}
}
/* /*
* handle the signals * handle the signals
*/ */
@ -239,3 +262,17 @@ main(argc, argv)
exit(0); exit(0);
} }
} }
/**********************************************************************
*
* usage()
*
* this function just gives you instructions and exits
*/
static void usage()
{
(void) fprintf(stderr, "usage: %s [-v]\n", *Argv);
exit(1);
}