-/* Client process that communicates with GNU Emacs acting as server.
- Copyright (C) 1986, 1987 Free Software Foundation, Inc.
-
-This file is part of GNU Emacs.
-
-GNU Emacs is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 1, or (at your option)
-any later version.
-
-GNU Emacs is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-
-#define NO_SHORTNAMES
-#include "../src/config.h"
-#undef read
-#undef write
-#undef open
-#ifdef close
-#undef close
-#endif
-
-
-#if !defined(HAVE_SOCKETS) && !defined(HAVE_SYSVIPC)
-#include <stdio.h>
-
-main (argc, argv)
- int argc;
- char **argv;
-{
- fprintf (stderr, "%s: Sorry, the Emacs server is supported only\n",
- argv[0]);
- fprintf (stderr, "on systems with Berkeley sockets or System V IPC.\n");
- exit (1);
-}
-
-#else /* HAVE_SOCKETS or HAVE_SYSVIPC */
-
-#if ! defined (HAVE_SYSVIPC)
-/* BSD code is very different from SYSV IPC code */
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <stdio.h>
-#include <errno.h>
-
-extern int sys_nerr;
-extern char *sys_errlist[];
-extern int errno;
-
-main (argc, argv)
- int argc;
- char **argv;
-{
- char system_name[32];
- int s, i;
- FILE *out;
- struct sockaddr_un server;
- char *homedir, *cwd, *str;
- char string[BUFSIZ];
-
- char *getenv (), *getwd ();
- int geteuid ();
-
- if (argc < 2)
- {
- fprintf (stderr, "Usage: %s [+linenumber] filename\n", argv[0]);
- exit (1);
- }
-
- /*
- * Open up an AF_UNIX socket in this person's home directory
- */
-
- if ((s = socket (AF_UNIX, SOCK_STREAM, 0)) < 0)
- {
- fprintf (stderr, "%s: ", argv[0]);
- perror ("socket");
- exit (1);
- }
- server.sun_family = AF_UNIX;
-#ifndef SERVER_HOME_DIR
- gethostname (system_name, sizeof (system_name));
- sprintf (server.sun_path, "/tmp/esrv%d-%s", geteuid (), system_name);
-
- if (stat (server.sun_path, &statbfr) == -1)
- {
- perror ("stat");
- exit (1);
- }
- if (statbfr.st_uid != geteuid())
- {
- fprintf (stderr, "Illegal socket owner\n");
- exit (1);
- }
-#else
- if ((homedir = getenv ("HOME")) == NULL)
- {
- fprintf (stderr, "%s: No home directory\n", argv[0]);
- exit (1);
- }
- strcpy (server.sun_path, homedir);
- strcat (server.sun_path, "/.emacs_server");
-#endif
-
- if (connect (s, &server, strlen (server.sun_path) + 2) < 0)
- {
- fprintf (stderr, "%s: ", argv[0]);
- perror ("connect");
- exit (1);
- }
- if ((out = fdopen (s, "r+")) == NULL)
- {
- fprintf (stderr, "%s: ", argv[0]);
- perror ("fdopen");
- exit (1);
- }
-
- cwd = getwd (string);
- if (cwd == 0)
- {
- /* getwd puts message in STRING if it fails. */
- fprintf (stderr, "%s: %s (%s)\n", argv[0], string,
- (errno < sys_nerr) ? sys_errlist[errno] : "unknown error");
- exit (1);
- }
-
- for (i = 1; i < argc; i++)
- {
- if (*argv[i] == '+')
- {
- char *p = argv[i] + 1;
- while (*p >= '0' && *p <= '9') p++;
- if (*p != 0)
- fprintf (out, "%s/", cwd);
- }
- else if (*argv[i] != '/')
- fprintf (out, "%s/", cwd);
- fprintf (out, "%s ", argv[i]);
- }
- fprintf (out, "\n");
- fflush (out);
-
- printf ("Waiting for Emacs...");
- fflush (stdout);
-
- rewind (out); /* re-read the output */
- str = fgets (string, BUFSIZ, out);
-
- /* Now, wait for an answer and print any messages. */
-
- while (str = fgets (string, BUFSIZ, out))
- printf ("%s", str);
-
- exit (0);
-}
-
-#else /* This is the SYSV IPC section */
-
-#include <sys/types.h>
-#include <sys/ipc.h>
-#include <sys/msg.h>
-#include <stdio.h>
-
-main (argc, argv)
- int argc;
- char **argv;
-{
- int s;
- key_t key;
- struct msgbuf * msgp =
- (struct msgbuf *) malloc (sizeof *msgp + BUFSIZ);
- struct msqid_ds * msg_st;
- char *homedir, buf[BUFSIZ];
- char gwdirb[BUFSIZ];
- char *cwd;
- char *temp;
- char *getwd (), *getcwd (), *getenv ();
-
- if (argc < 2)
- {
- fprintf (stderr, "Usage: %s [+linenumber] filename\n", argv[0]);
- exit (1);
- }
-
- /*
- * Create a message queue using ~/.emacs_server as the path for ftok
- */
- if ((homedir = getenv ("HOME")) == NULL)
- {
- fprintf (stderr, "%s: No home directory\n", argv[0]);
- exit (1);
- }
- strcpy (buf, homedir);
- strcat (buf, "/.emacs_server");
- creat (buf, 0600);
- key = ftok (buf, 1); /* unlikely to be anyone else using it */
- s = msgget (key, 0600);
- if (s == -1)
- {
- fprintf (stderr, "%s: ", argv[0]);
- perror ("msgget");
- exit (1);
- }
-
- /* Determine working dir, so we can prefix it to all the arguments. */
-#ifdef BSD
- temp = getwd (gwdirb);
-#else
- temp = getcwd (gwdirb, sizeof gwdirb);
-#endif
-
- cwd = gwdirb;
- if (temp != 0)
- {
- /* On some systems, cwd can look like `@machine/...';
- ignore everything before the first slash in such a case. */
- while (*cwd && *cwd != '/')
- cwd++;
- strcat (cwd, "/");
- }
- else
- {
- fprintf (stderr, cwd);
- exit (1);
- }
-
- msgp->mtext[0] = 0;
- argc--; argv++;
- while (argc)
- {
- if (*argv[0] == '+')
- {
- char *p = argv[0] + 1;
- while (*p >= '0' && *p <= '9') p++;
- if (*p != 0)
- strcat (msgp->mtext, cwd);
- }
- else if (*argv[0] != '/')
- strcat (msgp->mtext, cwd);
-
- strcat (msgp->mtext, argv[0]);
- strcat (msgp->mtext, " ");
- argv++; argc--;
- }
- strcat (msgp->mtext, "\n");
- msgp->mtype = 1;
- if (msgsnd (s, msgp, strlen (msgp->mtext)+1, 0) < 0)
- {
- fprintf (stderr, "%s: ", argv[0]);
- perror ("msgsnd");
- exit (1);
- }
- /*
- * Now, wait for an answer
- */
- printf ("Waiting for Emacs...");
- fflush (stdout);
-
- msgrcv (s, msgp, BUFSIZ, getpid (), 0); /* wait for anything back */
- strcpy (buf, msgp->mtext);
-
- printf ("\n%s\n", buf);
- exit (0);
-}
-
-#endif /* HAVE_SYSVIPC */
-
-#endif /* HAVE_SOCKETS or HAVE_SYSVIPC */
+/* Client process that communicates with GNU Emacs acting as server.
+ Copyright (C) 1986, 1987, 1994, 1999, 2000, 2001, 2003, 2004
+ Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Emacs; see the file COPYING. If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+
+#define NO_SHORTNAMES
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#undef signal
+
+#include <ctype.h>
+#include <stdio.h>
+#include <getopt.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#ifdef VMS
+# include "vms-pwd.h"
+#else
+# include <pwd.h>
+#endif /* not VMS */
+
+#include <signal.h>
+#include <errno.h>
+
+\f
+char *getenv (), *getwd ();
+char *getcwd ();
+
+/* This is defined with -D from the compilation command,
+ which extracts it from ../lisp/version.el. */
+
+#ifndef VERSION
+#define VERSION "unspecified"
+#endif
+\f
+/* Name used to invoke this program. */
+char *progname;
+
+/* The first argument to main. */
+int main_argc;
+
+/* The second argument to main. */
+char **main_argv;
+
+/* Nonzero means don't wait for a response from Emacs. --no-wait. */
+int nowait = 0;
+
+/* Nonzero means args are expressions to be evaluated. --eval. */
+int eval = 0;
+
+/* The display on which Emacs should work. --display. */
+char *display = NULL;
+
+/* Nonzero means open a new Emacs frame on the current terminal. */
+int frame = 0;
+
+/* If non-NULL, the name of an editor to fallback to if the server
+ is not running. --alternate-editor. */
+const char * alternate_editor = NULL;
+
+/* If non-NULL, the filename of the UNIX socket. */
+char *socket_name = NULL;
+
+void print_help_and_exit ();
+
+struct option longopts[] =
+{
+ { "no-wait", no_argument, NULL, 'n' },
+ { "eval", no_argument, NULL, 'e' },
+ { "help", no_argument, NULL, 'H' },
+ { "version", no_argument, NULL, 'V' },
+ { "tty", no_argument, NULL, 't' },
+ { "alternate-editor", required_argument, NULL, 'a' },
+ { "socket-name", required_argument, NULL, 's' },
+ { "display", required_argument, NULL, 'd' },
+ { 0, 0, 0, 0 }
+};
+
+/* Decode the options from argv and argc.
+ The global variable `optind' will say how many arguments we used up. */
+
+void
+decode_options (argc, argv)
+ int argc;
+ char **argv;
+{
+ while (1)
+ {
+ int opt = getopt_long (argc, argv,
+ "VHnea:s:d:t", longopts, 0);
+
+ if (opt == EOF)
+ break;
+
+ alternate_editor = getenv ("ALTERNATE_EDITOR");
+
+ switch (opt)
+ {
+ case 0:
+ /* If getopt returns 0, then it has already processed a
+ long-named option. We should do nothing. */
+ break;
+
+ case 'a':
+ alternate_editor = optarg;
+ break;
+
+ case 's':
+ socket_name = optarg;
+ break;
+
+ case 'd':
+ display = optarg;
+ break;
+
+ case 'n':
+ nowait = 1;
+ break;
+
+ case 'e':
+ eval = 1;
+ break;
+
+ case 'V':
+ printf ("emacsclient %s\n", VERSION);
+ exit (0);
+ break;
+
+ case 't':
+ frame = 1;
+ break;
+
+ case 'H':
+ print_help_and_exit ();
+ break;
+
+ default:
+ fprintf (stderr, "Try `%s --help' for more information\n", progname);
+ exit (1);
+ break;
+ }
+ }
+
+ if (frame) {
+ nowait = 0;
+ display = 0;
+ }
+
+}
+
+void
+print_help_and_exit ()
+{
+ printf (
+ "Usage: %s [OPTIONS] FILE...\n\
+Tell the Emacs server to visit the specified files.\n\
+Every FILE can be either just a FILENAME or [+LINE[:COLUMN]] FILENAME.\n\
+\n\
+The following OPTIONS are accepted:\n\
+-V, --version Just print a version info and return\n\
+-H, --help Print this usage information message\n\
+-t, --tty Open a new Emacs frame on the current terminal\n\
+-n, --no-wait Don't wait for the server to return\n\
+-e, --eval Evaluate the FILE arguments as ELisp expressions\n\
+-d, --display=DISPLAY Visit the file in the given display\n\
+-s, --socket-name=FILENAME\n\
+ Set the filename of the UNIX socket for communication\n\
+-a, --alternate-editor=EDITOR\n\
+ Editor to fallback to if the server is not running\n\
+\n\
+Report bugs to bug-gnu-emacs@gnu.org.\n", progname);
+ exit (0);
+}
+
+/* In NAME, insert a & before each &, each space, each newline, and
+ any initial -. Change spaces to underscores, too, so that the
+ return value never contains a space. */
+
+void
+quote_file_name (name, stream)
+ char *name;
+ FILE *stream;
+{
+ char *copy = (char *) malloc (strlen (name) * 2 + 1);
+ char *p, *q;
+
+ p = name;
+ q = copy;
+ while (*p)
+ {
+ if (*p == ' ')
+ {
+ *q++ = '&';
+ *q++ = '_';
+ p++;
+ }
+ else if (*p == '\n')
+ {
+ *q++ = '&';
+ *q++ = 'n';
+ p++;
+ }
+ else
+ {
+ if (*p == '&' || (*p == '-' && p == name))
+ *q++ = '&';
+ *q++ = *p++;
+ }
+ }
+ *q++ = 0;
+
+ fprintf (stream, copy);
+
+ free (copy);
+}
+
+/* Like malloc but get fatal error if memory is exhausted. */
+
+long *
+xmalloc (size)
+ unsigned int size;
+{
+ long *result = (long *) malloc (size);
+ if (result == NULL)
+ {
+ perror ("malloc");
+ exit (1);
+ }
+ return result;
+}
+\f
+/*
+ Try to run a different command, or --if no alternate editor is
+ defined-- exit with an errorcode.
+*/
+void
+fail (void)
+{
+ if (alternate_editor)
+ {
+ int i = optind - 1;
+ execvp (alternate_editor, main_argv + i);
+ return;
+ }
+ else
+ {
+ exit (1);
+ }
+}
+
+int emacs_pid;
+
+#ifdef nec_ews_svr4
+extern char *_sobuf ;
+#else
+#if defined (USG) || defined (DGUX)
+unsigned char _sobuf[BUFSIZ+8];
+#else
+char _sobuf[BUFSIZ];
+#endif
+#endif
+
+/* A signal handler that passes the signal to the Emacs process.
+ Useful for SIGWINCH. */
+
+SIGTYPE
+pass_signal_to_emacs (int signalnum)
+{
+ int old_errno = errno;
+
+ if (emacs_pid)
+ kill (emacs_pid, signalnum);
+
+ signal (signalnum, pass_signal_to_emacs);
+ errno = old_errno;
+}
+
+/* Set up signal handlers before opening a frame on the current tty. */
+
+void
+init_signals (void)
+{
+ /* Set up signal handlers. */
+ signal (SIGWINCH, pass_signal_to_emacs);
+
+ /* Don't pass SIGINT and SIGQUIT to Emacs, because it has no way of
+ deciding which terminal the signal came from. C-g is now a
+ normal input event on secondary terminals. */
+#if 0
+ signal (SIGINT, pass_signal_to_emacs);
+ signal (SIGQUIT, pass_signal_to_emacs);
+#endif
+}
+
+\f
+#if !defined (HAVE_SOCKETS) || defined (NO_SOCKETS_IN_FILE_SYSTEM)
+
+int
+main (argc, argv)
+ int argc;
+ char **argv;
+{
+ fprintf (stderr, "%s: Sorry, the Emacs server is supported only\n",
+ argv[0]);
+ fprintf (stderr, "on systems with Berkeley sockets.\n");
+
+ fail ();
+}
+
+#else /* HAVE_SOCKETS */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/stat.h>
+#include <errno.h>
+
+extern char *strerror ();
+extern int errno;
+
+/* Three possibilities:
+ 2 - can't be `stat'ed (sets errno)
+ 1 - isn't owned by us
+ 0 - success: none of the above */
+
+static int
+socket_status (socket_name)
+ char *socket_name;
+{
+ struct stat statbfr;
+
+ if (stat (socket_name, &statbfr) == -1)
+ return 2;
+
+ if (statbfr.st_uid != geteuid ())
+ return 1;
+
+ return 0;
+}
+
+/* Returns 1 if PREFIX is a prefix of STRING. */
+static int
+strprefix (char *prefix, char *string)
+{
+ int i;
+ if (! prefix)
+ return 1;
+
+ if (!string)
+ return 0;
+
+ for (i = 0; prefix[i]; i++)
+ if (!string[i] || string[i] != prefix[i])
+ return 0;
+ return 1;
+}
+
+int
+main (argc, argv)
+ int argc;
+ char **argv;
+{
+ char *system_name;
+ int system_name_length;
+ int s, i, needlf = 0;
+ FILE *out, *in;
+ struct sockaddr_un server;
+ char *cwd, *str;
+ char string[BUFSIZ];
+
+ main_argc = argc;
+ main_argv = argv;
+ progname = argv[0];
+
+ /* Process options. */
+ decode_options (argc, argv);
+
+ if ((argc - optind < 1) && !eval && !frame)
+ {
+ fprintf (stderr, "%s: file name or argument required\n", progname);
+ fprintf (stderr, "Try `%s --help' for more information\n", progname);
+ exit (1);
+ }
+
+ /*
+ * Open up an AF_UNIX socket in this person's home directory
+ */
+
+ if ((s = socket (AF_UNIX, SOCK_STREAM, 0)) < 0)
+ {
+ fprintf (stderr, "%s: ", argv[0]);
+ perror ("socket");
+ fail ();
+ }
+
+ server.sun_family = AF_UNIX;
+
+ {
+ char *dot;
+ system_name_length = 32;
+
+ while (1)
+ {
+ system_name = (char *) xmalloc (system_name_length + 1);
+
+ /* system_name must be null-terminated string. */
+ system_name[system_name_length] = '\0';
+
+ if (gethostname (system_name, system_name_length) == 0)
+ break;
+
+ free (system_name);
+ system_name_length *= 2;
+ }
+
+ /* We always use the non-dotted host name, for simplicity. */
+ dot = index (system_name, '.');
+ if (dot)
+ *dot = '\0';
+ }
+
+ {
+ int sock_status = 0;
+ int default_sock = !socket_name;
+ int saved_errno = 0;
+
+ if (default_sock)
+ {
+ socket_name = alloca (system_name_length + 100);
+ sprintf (socket_name, "/tmp/emacs%d-%s/server",
+ (int) geteuid (), system_name);
+ }
+
+ if (strlen (socket_name) < sizeof (server.sun_path))
+ strcpy (server.sun_path, socket_name);
+ else
+ {
+ fprintf (stderr, "%s: socket-name %s too long",
+ argv[0], socket_name);
+ fail ();
+ }
+
+ /* See if the socket exists, and if it's owned by us. */
+ sock_status = socket_status (server.sun_path);
+ saved_errno = errno;
+ if (sock_status && default_sock)
+ {
+ /* Failing that, see if LOGNAME or USER exist and differ from
+ our euid. If so, look for a socket based on the UID
+ associated with the name. This is reminiscent of the logic
+ that init_editfns uses to set the global Vuser_full_name. */
+
+ char *user_name = (char *) getenv ("LOGNAME");
+ if (!user_name)
+ user_name = (char *) getenv ("USER");
+
+ if (user_name)
+ {
+ struct passwd *pw = getpwnam (user_name);
+ if (pw && (pw->pw_uid != geteuid ()))
+ {
+ /* We're running under su, apparently. */
+ sprintf (socket_name, "/tmp/emacs%d-%s/server",
+ (int) pw->pw_uid, system_name);
+
+ if (strlen (socket_name) < sizeof (server.sun_path))
+ strcpy (server.sun_path, socket_name);
+ else
+ {
+ fprintf (stderr, "%s: socket-name %s too long",
+ argv[0], socket_name);
+ exit (1);
+ }
+
+ sock_status = socket_status (server.sun_path);
+ saved_errno = errno;
+ }
+ }
+ }
+
+ switch (sock_status)
+ {
+ case 1:
+ /* There's a socket, but it isn't owned by us. This is OK if
+ we are root. */
+ if (0 != geteuid ())
+ {
+ fprintf (stderr, "%s: Invalid socket owner\n", argv[0]);
+ fail ();
+ }
+ break;
+
+ case 2:
+ /* `stat' failed */
+ if (saved_errno == ENOENT)
+ fprintf (stderr,
+ "%s: Can't find socket; have you started the server?\n\
+To start the server in Emacs, type \"M-x server-start\".\n",
+ argv[0]);
+ else
+ fprintf (stderr, "%s: Can't stat %s: %s\n",
+ argv[0], server.sun_path, strerror (saved_errno));
+ fail ();
+ break;
+ }
+ }
+
+ if (connect (s, (struct sockaddr *) &server, strlen (server.sun_path) + 2)
+ < 0)
+ {
+ fprintf (stderr, "%s: ", argv[0]);
+ perror ("connect");
+ fail ();
+ }
+
+ /* We use the stream OUT to send our command to the server. */
+ if ((out = fdopen (s, "r+")) == NULL)
+ {
+ fprintf (stderr, "%s: ", argv[0]);
+ perror ("fdopen");
+ fail ();
+ }
+
+ /* We use the stream IN to read the response.
+ We used to use just one stream for both output and input
+ on the socket, but reversing direction works nonportably:
+ on some systems, the output appears as the first input;
+ on other systems it does not. */
+ if ((in = fdopen (s, "r+")) == NULL)
+ {
+ fprintf (stderr, "%s: ", argv[0]);
+ perror ("fdopen");
+ fail ();
+ }
+
+#ifdef HAVE_GETCWD
+ cwd = getcwd (string, sizeof string);
+#else
+ cwd = getwd (string);
+#endif
+ if (cwd == 0)
+ {
+ /* getwd puts message in STRING if it fails. */
+
+#ifdef HAVE_GETCWD
+ fprintf (stderr, "%s: %s (%s)\n", argv[0],
+ "Cannot get current working directory", strerror (errno));
+#else
+ fprintf (stderr, "%s: %s (%s)\n", argv[0], string, strerror (errno));
+#endif
+ fail ();
+ }
+
+ if (nowait)
+ fprintf (out, "-nowait ");
+
+ if (eval)
+ fprintf (out, "-eval ");
+
+ if (display)
+ {
+ fprintf (out, "-display ");
+ quote_file_name (display, out);
+ fprintf (out, " ");
+ }
+
+ if (frame)
+ {
+ char *tty_name = ttyname (fileno (stdin));
+ if (! tty_name)
+ fail ();
+
+ init_signals ();
+
+ fprintf (out, "-tty ");
+ quote_file_name (tty_name, out);
+ fprintf (out, " ");
+ quote_file_name (getenv("TERM"), out);
+ fprintf (out, " ");
+ }
+
+ if ((argc - optind > 0))
+ {
+ for (i = optind; i < argc; i++)
+ {
+ if (eval)
+ ; /* Don't prepend any cwd or anything like that. */
+ else if (*argv[i] == '+')
+ {
+ char *p = argv[i] + 1;
+ while (isdigit ((unsigned char) *p) || *p == ':') p++;
+ if (*p != 0)
+ {
+ quote_file_name (cwd, out);
+ fprintf (out, "/");
+ }
+ }
+ else if (*argv[i] != '/')
+ {
+ quote_file_name (cwd, out);
+ fprintf (out, "/");
+ }
+
+ quote_file_name (argv[i], out);
+ fprintf (out, " ");
+ }
+ }
+ else
+ {
+ if (!frame)
+ {
+ while ((str = fgets (string, BUFSIZ, stdin)))
+ {
+ quote_file_name (str, out);
+ }
+ fprintf (out, " ");
+ }
+ }
+
+ fprintf (out, "\n");
+ fflush (out);
+
+ /* Maybe wait for an answer. */
+ if (nowait)
+ {
+ return 0;
+ }
+
+ if (!eval && !frame)
+ {
+ printf ("Waiting for Emacs...");
+ needlf = 2;
+ }
+ fflush (stdout);
+
+ /* Now, wait for an answer and print any messages. */
+ while ((str = fgets (string, BUFSIZ, in)))
+ {
+ if (frame)
+ {
+ if (strprefix ("emacs-pid ", str))
+ {
+ emacs_pid = strtol (string + strlen ("emacs-pid"), NULL, 10);
+ }
+ }
+ else
+ {
+ if (needlf == 2)
+ printf ("\n");
+ printf ("%s", str);
+ needlf = str[0] == '\0' ? needlf : str[strlen (str) - 1] != '\n';
+ }
+ }
+
+ if (needlf)
+ printf ("\n");
+ fflush (stdout);
+
+ return 0;
+}
+
+#endif /* HAVE_SOCKETS */
+\f
+#ifndef HAVE_STRERROR
+char *
+strerror (errnum)
+ int errnum;
+{
+ extern char *sys_errlist[];
+ extern int sys_nerr;
+
+ if (errnum >= 0 && errnum < sys_nerr)
+ return sys_errlist[errnum];
+ return (char *) "Unknown error";
+}
+
+#endif /* ! HAVE_STRERROR */
+
+/* arch-tag: f39bb9c4-73eb-477e-896d-50832e2ca9a7
+ (do not change this comment) */
HCoop / bpt / emacs.git / blobdiff