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(decode_options): New function.

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(main, both versions): Call decode_options.
(print_help_and_exit): New function.
(VERSION): New macro
This commit is contained in:
Richard M. Stallman 1996-09-01 18:25:21 +00:00
parent 424aad230d
commit 8f9aaa0a81
1 changed files with 99 additions and 17 deletions
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116
lib-src/emacsclient.c
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@ -27,9 +27,86 @@ Boston, MA 02111-1307, USA. */
#undef close #undef close
#undef signal #undef signal
#if !defined (HAVE_SOCKETS) && !defined (HAVE_SYSVIPC)
#include <stdio.h> #include <stdio.h>
#include <getopt.h>
char *getenv (), *getwd ();
char *getcwd ();
int geteuid ();
/* This is defined with -D from the compilation command,
which extracts it from ../lisp/version.el. */
#ifndef VERSION
#define VERSION "unspecified"
#endif
/* Name used to invoke this program. */
char *progname;
/* Nonzero means don't wait for a response from Emacs. --nowait. */
int nowait = 0;
struct option longopts[] =
{
{ "nowait", no_argument, NULL, 'n' },
{ "help", no_argument, NULL, 'H' },
{ "version", no_argument, NULL, 'V' },
{ 0 }
};
/* Decode the options from argv and argc.
Return the number of remaining arguments. */
int
decode_options (argc, argv)
int argc;
char **argv;
{
while (1)
{
int opt = getopt_long (argc, argv,
"VHn", longopts, 0);
if (opt == EOF)
break;
switch (opt)
{
case 0:
/* If getopt returns 0, then it has already processed a
long-named option. We should do nothing. */
break;
case 'n':
nowait = 1;
break;
case 'V':
fprintf (stderr, "Version %s\n", VERSION);
exit (1);
break;
case 'H':
default:
print_help_and_exit ();
}
}
return argc;
}
print_help_and_exit ()
{
fprintf (stderr,
"Usage: %s [-n] [--nowait] [+linenumber] filename\n",
progname);
fprintf (stderr,
"Report bugs to bug-gnu-emacs@prep.ai.mit.edu.\n");
exit (1);
}
#if !defined (HAVE_SOCKETS) && !defined (HAVE_SYSVIPC)
main (argc, argv) main (argc, argv)
int argc; int argc;
@ -50,7 +127,6 @@ main (argc, argv)
#include <sys/socket.h> #include <sys/socket.h>
#include <sys/un.h> #include <sys/un.h>
#include <sys/stat.h> #include <sys/stat.h>
#include <stdio.h>
#include <errno.h> #include <errno.h>
extern char *strerror (); extern char *strerror ();
@ -67,17 +143,19 @@ main (argc, argv)
struct sockaddr_un server; struct sockaddr_un server;
char *homedir, *cwd, *str; char *homedir, *cwd, *str;
char string[BUFSIZ]; char string[BUFSIZ];
int args_left;
char *getenv (), *getwd (); progname = argv[0];
char *getcwd ();
int geteuid (); /* Process options. */
int nowait = 0; args_left = decode_options (argc, argv);
/* Advance argv and decrement argc for the options that were skipped. */
argv += argc - args_left;
argc = args_left;
if (argc < 2) if (argc < 2)
{ print_help_and_exit ();
fprintf (stderr, "Usage: %s [+linenumber] filename\n", argv[0]);
exit (1);
}
/* /*
* Open up an AF_UNIX socket in this person's home directory * Open up an AF_UNIX socket in this person's home directory
@ -239,14 +317,18 @@ main (argc, argv)
char gwdirb[BUFSIZ]; char gwdirb[BUFSIZ];
char *cwd; char *cwd;
char *temp; char *temp;
char *progname = argv[0];
int nowait = 0; progname = argv[0];
/* Process options. */
args_left = decode_options (argc, argv);
/* Advance argv and decrement argc for the options that were skipped. */
argv += argc - args_left;
argc = args_left;
if (argc < 2) if (argc < 2)
{ print_help_and_exit ();
fprintf (stderr, "Usage: %s [+linenumber] filename\n", argv[0]);
exit (1);
}
/* /*
* Create a message queue using ~/.emacs-server as the path for ftok * Create a message queue using ~/.emacs-server as the path for ftok