/* Synchronous subprocess invocation for GNU Emacs.
- Copyright (C) 1985, 86, 87, 88, 93, 94, 95 Free Software Foundation, Inc.
+ Copyright (C) 1985, 86,87,88,93,94,95, 1999 Free Software Foundation, Inc.
This file is part of GNU Emacs.
Boston, MA 02111-1307, USA. */
+#include <config.h>
#include <signal.h>
#include <errno.h>
-
-#include <config.h>
#include <stdio.h>
extern int errno;
-extern char *strerror ();
/* Define SIGCHLD as an alias for SIGCLD. */
#include <sys/types.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
#include <sys/file.h>
#ifdef USG5
#define INCLUDED_FCNTL
#include "commands.h"
#include "buffer.h"
#include "charset.h"
+#include "ccl.h"
#include "coding.h"
-#include <paths.h>
+#include "composite.h"
+#include <epaths.h>
#include "process.h"
#include "syssignal.h"
#include "systty.h"
extern char **environ;
#endif
+#ifdef HAVE_SETPGID
+#if !defined (USG) || defined (BSD_PGRPS)
+#define setpgrp setpgid
+#endif
+#endif
+
#define max(a, b) ((a) > (b) ? (a) : (b))
Lisp_Object Vexec_path, Vexec_directory, Vdata_directory, Vdoc_directory;
call_process_kill (fdpid)
Lisp_Object fdpid;
{
- close (XFASTINT (Fcar (fdpid)));
+ emacs_close (XFASTINT (Fcar (fdpid)));
EMACS_KILLPG (XFASTINT (Fcdr (fdpid)), SIGKILL);
synch_process_alive = 0;
return Qnil;
call_process_cleanup (fdpid)
Lisp_Object fdpid;
{
-#ifdef MSDOS
+#if defined (MSDOS) || defined (macintosh)
/* for MSDOS fdpid is really (fd . tempfile) */
register Lisp_Object file;
file = Fcdr (fdpid);
- close (XFASTINT (Fcar (fdpid)));
+ emacs_close (XFASTINT (Fcar (fdpid)));
if (strcmp (XSTRING (file)-> data, NULL_DEVICE) != 0)
unlink (XSTRING (file)->data);
-#else /* not MSDOS */
+#else /* not MSDOS and not macintosh */
register int pid = XFASTINT (Fcdr (fdpid));
-
if (call_process_exited)
{
- close (XFASTINT (Fcar (fdpid)));
+ emacs_close (XFASTINT (Fcar (fdpid)));
return Qnil;
}
message1 ("Waiting for process to die...done");
}
synch_process_alive = 0;
- close (XFASTINT (Fcar (fdpid)));
+ emacs_close (XFASTINT (Fcar (fdpid)));
#endif /* not MSDOS */
return Qnil;
}
DEFUN ("call-process", Fcall_process, Scall_process, 1, MANY, 0,
"Call PROGRAM synchronously in separate process.\n\
+The remaining arguments are optional.\n\
The program's input comes from file INFILE (nil means `/dev/null').\n\
Insert output in BUFFER before point; t means current buffer;\n\
nil for BUFFER means discard it; 0 means discard and don't wait.\n\
char *outf, *tempfile;
int outfilefd;
#endif
+#ifdef macintosh
+ char *tempfile;
+ int outfilefd;
+#endif
#if 0
int mask;
#endif
struct coding_system process_coding; /* coding-system of process output */
struct coding_system argument_coding; /* coding-system of arguments */
+ /* Set to the return value of Ffind_operation_coding_system. */
+ Lisp_Object coding_systems;
+
+ /* Qt denotes that Ffind_operation_coding_system is not yet called. */
+ coding_systems = Qt;
CHECK_STRING (args[0], 0);
error ("Operating system cannot handle asynchronous subprocesses");
#endif /* subprocesses */
- /* Decide the coding-system for giving arguments and reading process
- output. */
+ /* Decide the coding-system for giving arguments. */
{
Lisp_Object val, *args2;
- /* Qt denotes we have not yet called Ffind_operation_coding_system. */
- Lisp_Object coding_systems = Qt;
int i;
/* If arguments are supplied, we may have to encode them. */
{
int must_encode = 0;
+ for (i = 4; i < nargs; i++)
+ CHECK_STRING (args[i], i);
+
for (i = 4; i < nargs; i++)
if (STRING_MULTIBYTE (args[i]))
must_encode = 1;
for (i = 0; i < nargs; i++) args2[i + 1] = args[i];
coding_systems = Ffind_operation_coding_system (nargs + 1, args2);
if (CONSP (coding_systems))
- val = XCONS (coding_systems)->cdr;
+ val = XCDR (coding_systems);
else if (CONSP (Vdefault_process_coding_system))
- val = XCONS (Vdefault_process_coding_system)->cdr;
+ val = XCDR (Vdefault_process_coding_system);
else
val = Qnil;
}
setup_coding_system (Fcheck_coding_system (val), &argument_coding);
}
-
- /* If BUFFER is nil, we must read process output once and then
- discard it, so setup coding system but with nil. If BUFFER is
- an integer, we can discard it without reading. */
- if (nargs < 3 || NILP (args[2])
- || (CONSP (args[2]) && NILP (XCAR (args[2]))))
- setup_coding_system (Qnil, &process_coding);
- else if (!INTEGERP (CONSP (args[2]) ? XCAR (args[2]) : args[2]))
- {
- val = Qnil;
- if (!NILP (Vcoding_system_for_read))
- val = Vcoding_system_for_read;
- else if (NILP (current_buffer->enable_multibyte_characters))
- val = Qraw_text;
- else
- {
- if (EQ (coding_systems, Qt))
- {
- args2 = (Lisp_Object *) alloca ((nargs + 1) * sizeof *args2);
- args2[0] = Qcall_process;
- for (i = 0; i < nargs; i++) args2[i + 1] = args[i];
- coding_systems
- = Ffind_operation_coding_system (nargs + 1, args2);
- }
- if (CONSP (coding_systems))
- val = XCONS (coding_systems)->car;
- else if (CONSP (Vdefault_process_coding_system))
- val = XCONS (Vdefault_process_coding_system)->car;
- else
- val = Qnil;
- }
- setup_coding_system (Fcheck_coding_system (val), &process_coding);
- }
}
if (nargs >= 2 && ! NILP (args[1]))
(BUFFER-FOR-STDOUT FILE-FOR-STDERR). */
if (CONSP (buffer))
{
- if (CONSP (XCONS (buffer)->cdr))
+ if (CONSP (XCDR (buffer)))
{
Lisp_Object stderr_file;
- stderr_file = XCONS (XCONS (buffer)->cdr)->car;
+ stderr_file = XCAR (XCDR (buffer));
if (NILP (stderr_file) || EQ (Qt, stderr_file))
error_file = stderr_file;
error_file = Fexpand_file_name (stderr_file, Qnil);
}
- buffer = XCONS (buffer)->car;
+ buffer = XCAR (buffer);
}
if (!(EQ (buffer, Qnil)
display = nargs >= 4 ? args[3] : Qnil;
- filefd = open (XSTRING (infile)->data, O_RDONLY, 0);
+ filefd = emacs_open (XSTRING (infile)->data, O_RDONLY, 0);
if (filefd < 0)
{
report_file_error ("Opening process input file", Fcons (infile, Qnil));
}
if (NILP (path))
{
- close (filefd);
+ emacs_close (filefd);
report_file_error ("Searching for program", Fcons (args[0], Qnil));
}
new_argv[0] = XSTRING (path)->data;
if (nargs > 4)
{
register int i;
+ struct gcpro gcpro1, gcpro2, gcpro3;
- for (i = 4; i < nargs; i++) CHECK_STRING (args[i], i);
-
- if (! CODING_REQUIRE_ENCODING (&argument_coding))
- {
- for (i = 4; i < nargs; i++)
- new_argv[i - 3] = XSTRING (args[i])->data;
- }
- else
+ GCPRO3 (infile, buffer, current_dir);
+ argument_coding.dst_multibyte = 0;
+ for (i = 4; i < nargs; i++)
{
- /* We must encode the arguments. */
- struct gcpro gcpro1, gcpro2, gcpro3;
-
- GCPRO3 (infile, buffer, current_dir);
- for (i = 4; i < nargs; i++)
+ argument_coding.src_multibyte = STRING_MULTIBYTE (args[i]);
+ if (CODING_REQUIRE_ENCODING (&argument_coding))
{
- int size = encoding_buffer_size (&argument_coding,
- STRING_BYTES (XSTRING (args[i])));
- unsigned char *dummy1 = (unsigned char *) alloca (size);
- int dummy;
-
- /* The Irix 4.0 compiler barfs if we eliminate dummy. */
- new_argv[i - 3] = dummy1;
- encode_coding (&argument_coding,
- XSTRING (args[i])->data,
- new_argv[i - 3],
- STRING_BYTES (XSTRING (args[i])),
- size);
- new_argv[i - 3][argument_coding.produced] = 0;
+ /* We must encode this argument. */
+ args[i] = encode_coding_string (args[i], &argument_coding, 1);
+ if (argument_coding.type == coding_type_ccl)
+ setup_ccl_program (&(argument_coding.spec.ccl.encoder), Qnil);
}
- UNGCPRO;
+ new_argv[i - 3] = XSTRING (args[i])->data;
}
+ UNGCPRO;
new_argv[nargs - 3] = 0;
}
else
new_argv[1] = 0;
#ifdef MSDOS /* MW, July 1993 */
- if ((outf = egetenv ("TMP")) || (outf = egetenv ("TEMP")))
+ if ((outf = egetenv ("TMPDIR")))
strcpy (tempfile = alloca (strlen (outf) + 20), outf);
else
{
outfilefd = creat (tempfile, S_IREAD | S_IWRITE);
if (outfilefd < 0)
{
- close (filefd);
+ emacs_close (filefd);
report_file_error ("Opening process output file",
Fcons (build_string (tempfile), Qnil));
}
fd[1] = outfilefd;
#endif /* MSDOS */
+#ifdef macintosh
+ /* Since we don't have pipes on the Mac, create a temporary file to
+ hold the output of the subprocess. */
+ tempfile = (char *) alloca (STRING_BYTES (XSTRING (Vtemp_file_name_pattern)) + 1);
+ bcopy (XSTRING (Vtemp_file_name_pattern)->data, tempfile,
+ STRING_BYTES (XSTRING (Vtemp_file_name_pattern)) + 1);
+
+ mktemp (tempfile);
+
+ outfilefd = creat (tempfile, S_IREAD | S_IWRITE);
+ if (outfilefd < 0)
+ {
+ close (filefd);
+ report_file_error ("Opening process output file",
+ Fcons (build_string (tempfile), Qnil));
+ }
+ fd[0] = filefd;
+ fd[1] = outfilefd;
+#endif /* macintosh */
+
if (INTEGERP (buffer))
- fd[1] = open (NULL_DEVICE, O_WRONLY), fd[0] = -1;
+ fd[1] = emacs_open (NULL_DEVICE, O_WRONLY, 0), fd[0] = -1;
else
{
#ifndef MSDOS
+#ifndef macintosh
pipe (fd);
#endif
+#endif
#if 0
/* Replaced by close_process_descs */
set_exclusive_use (fd[0]);
synch_process_retcode = 0;
if (NILP (error_file))
- fd_error = open (NULL_DEVICE, O_WRONLY);
+ fd_error = emacs_open (NULL_DEVICE, O_WRONLY, 0);
else if (STRINGP (error_file))
{
#ifdef DOS_NT
- fd_error = open (XSTRING (error_file)->data,
- O_WRONLY | O_TRUNC | O_CREAT | O_TEXT,
- S_IREAD | S_IWRITE);
+ fd_error = emacs_open (XSTRING (error_file)->data,
+ O_WRONLY | O_TRUNC | O_CREAT | O_TEXT,
+ S_IREAD | S_IWRITE);
#else /* not DOS_NT */
fd_error = creat (XSTRING (error_file)->data, 0666);
#endif /* not DOS_NT */
if (fd_error < 0)
{
- close (filefd);
+ emacs_close (filefd);
if (fd[0] != filefd)
- close (fd[0]);
+ emacs_close (fd[0]);
if (fd1 >= 0)
- close (fd1);
+ emacs_close (fd1);
#ifdef MSDOS
unlink (tempfile);
#endif
current_dir = ENCODE_FILE (current_dir);
+#ifdef macintosh
+ {
+ /* Call run_mac_command in sysdep.c here directly instead of doing
+ a child_setup as for MSDOS and other platforms. Note that this
+ code does not handle passing the environment to the synchronous
+ Mac subprocess. */
+ char *infn, *outfn, *errfn, *currdn;
+
+ /* close these files so subprocess can write to them */
+ close (outfilefd);
+ if (fd_error != outfilefd)
+ close (fd_error);
+ fd1 = -1; /* No harm in closing that one! */
+
+ infn = XSTRING (infile)->data;
+ outfn = tempfile;
+ if (NILP (error_file))
+ errfn = NULL_DEVICE;
+ else if (EQ (Qt, error_file))
+ errfn = outfn;
+ else
+ errfn = XSTRING (error_file)->data;
+ currdn = XSTRING (current_dir)->data;
+ pid = run_mac_command (new_argv, currdn, infn, outfn, errfn);
+
+ /* Record that the synchronous process exited and note its
+ termination status. */
+ synch_process_alive = 0;
+ synch_process_retcode = pid;
+ if (synch_process_retcode < 0) /* means it couldn't be exec'ed */
+ {
+ synchronize_system_messages_locale ();
+ synch_process_death = strerror (errno);
+ }
+
+ /* Since CRLF is converted to LF within `decode_coding', we can
+ always open a file with binary mode. */
+ fd[0] = open (tempfile, O_BINARY);
+ if (fd[0] < 0)
+ {
+ unlink (tempfile);
+ close (filefd);
+ report_file_error ("Cannot re-open temporary file", Qnil);
+ }
+ }
+#else /* not macintosh */
#ifdef MSDOS /* MW, July 1993 */
/* Note that on MSDOS `child_setup' actually returns the child process
exit status, not its PID, so we assign it to `synch_process_retcode'
synch_process_alive = 0;
synch_process_retcode = pid;
if (synch_process_retcode < 0) /* means it couldn't be exec'ed */
- synch_process_death = strerror (errno);
+ {
+ synchronize_system_messages_locale ();
+ synch_process_death = strerror (errno);
+ }
- close (outfilefd);
+ emacs_close (outfilefd);
if (fd_error != outfilefd)
- close (fd_error);
+ emacs_close (fd_error);
fd1 = -1; /* No harm in closing that one! */
/* Since CRLF is converted to LF within `decode_coding', we can
always open a file with binary mode. */
- fd[0] = open (tempfile, O_BINARY);
+ fd[0] = emacs_open (tempfile, O_RDONLY | O_BINARY, 0);
if (fd[0] < 0)
{
unlink (tempfile);
- close (filefd);
+ emacs_close (filefd);
report_file_error ("Cannot re-open temporary file", Qnil);
}
#else /* not MSDOS */
if (pid == 0)
{
if (fd[0] >= 0)
- close (fd[0]);
+ emacs_close (fd[0]);
#ifdef HAVE_SETSID
setsid ();
#endif
/* The MSDOS case did this already. */
if (fd_error >= 0)
- close (fd_error);
+ emacs_close (fd_error);
#endif /* not MSDOS */
+#endif /* not macintosh */
environ = save_environ;
/* Close most of our fd's, but not fd[0]
since we will use that to read input from. */
- close (filefd);
+ emacs_close (filefd);
if (fd1 >= 0 && fd1 != fd_error)
- close (fd1);
+ emacs_close (fd1);
}
if (pid < 0)
{
if (fd[0] >= 0)
- close (fd[0]);
+ emacs_close (fd[0]);
report_file_error ("Doing vfork", Qnil);
}
if (INTEGERP (buffer))
{
if (fd[0] >= 0)
- close (fd[0]);
+ emacs_close (fd[0]);
#ifndef subprocesses
/* If Emacs has been built with asynchronous subprocess support,
we don't need to do this, I think because it will then have
/* Enable sending signal if user quits below. */
call_process_exited = 0;
-#ifdef MSDOS
+#if defined(MSDOS) || defined(macintosh)
/* MSDOS needs different cleanup information. */
record_unwind_protect (call_process_cleanup,
Fcons (make_number (fd[0]), build_string (tempfile)));
#else
record_unwind_protect (call_process_cleanup,
Fcons (make_number (fd[0]), make_number (pid)));
-#endif /* not MSDOS */
+#endif /* not MSDOS and not macintosh */
if (BUFFERP (buffer))
Fset_buffer (buffer);
+ if (NILP (buffer))
+ {
+ /* If BUFFER is nil, we must read process output once and then
+ discard it, so setup coding system but with nil. */
+ setup_coding_system (Qnil, &process_coding);
+ }
+ else
+ {
+ Lisp_Object val, *args2;
+
+ val = Qnil;
+ if (!NILP (Vcoding_system_for_read))
+ val = Vcoding_system_for_read;
+ else
+ {
+ if (EQ (coding_systems, Qt))
+ {
+ int i;
+
+ args2 = (Lisp_Object *) alloca ((nargs + 1) * sizeof *args2);
+ args2[0] = Qcall_process;
+ for (i = 0; i < nargs; i++) args2[i + 1] = args[i];
+ coding_systems
+ = Ffind_operation_coding_system (nargs + 1, args2);
+ }
+ if (CONSP (coding_systems))
+ val = XCAR (coding_systems);
+ else if (CONSP (Vdefault_process_coding_system))
+ val = XCAR (Vdefault_process_coding_system);
+ else
+ val = Qnil;
+ }
+ setup_coding_system (Fcheck_coding_system (val), &process_coding);
+ /* In unibyte mode, character code conversion should not take
+ place but EOL conversion should. So, setup raw-text or one
+ of the subsidiary according to the information just setup. */
+ if (NILP (current_buffer->enable_multibyte_characters)
+ && !NILP (val))
+ setup_raw_text_coding_system (&process_coding);
+ }
+ process_coding.src_multibyte = 0;
+ process_coding.dst_multibyte
+ = (BUFFERP (buffer)
+ ? ! NILP (XBUFFER (buffer)->enable_multibyte_characters)
+ : ! NILP (current_buffer->enable_multibyte_characters));
+
immediate_quit = 1;
QUIT;
struct coding_system saved_coding;
saved_coding = process_coding;
-
+ if (process_coding.composing != COMPOSITION_DISABLED)
+ coding_allocate_composition_data (&process_coding, PT);
while (1)
{
/* Repeatedly read until we've filled as much as possible
nread = carryover;
while (nread < bufsize - 1024)
{
- int this_read = read (fd[0], bufptr + nread, bufsize - nread);
+ int this_read = emacs_read (fd[0], bufptr + nread,
+ bufsize - nread);
if (this_read < 0)
goto give_up;
if (!NILP (buffer))
{
- if (process_coding.type == coding_type_no_conversion)
- insert (bufptr, nread);
+ if (! CODING_MAY_REQUIRE_DECODING (&process_coding))
+ insert_1_both (bufptr, nread, nread, 0, 1, 0);
else
{ /* We have to decode the input. */
- int size = decoding_buffer_size (&process_coding, nread);
- char *decoding_buf = get_conversion_buffer (size);
-
+ int size;
+ char *decoding_buf;
+
+ repeat_decoding:
+ size = decoding_buffer_size (&process_coding, nread);
+ decoding_buf = (char *) xmalloc (size);
+ if (process_coding.cmp_data)
+ process_coding.cmp_data->char_offset = PT;
decode_coding (&process_coding, bufptr, decoding_buf,
nread, size);
if (display_on_the_fly
there's a possibility that the detection was
done by insufficient data. So, we give up
displaying on the fly. */
+ xfree (decoding_buf);
display_on_the_fly = 0;
process_coding = saved_coding;
carryover = nread;
continue;
}
if (process_coding.produced > 0)
- insert (decoding_buf, process_coding.produced);
- carryover = nread - process_coding.consumed;
+ insert_1_both (decoding_buf, process_coding.produced_char,
+ process_coding.produced, 0, 1, 0);
+ xfree (decoding_buf);
+ nread -= process_coding.consumed;
+ carryover = nread;
if (carryover > 0)
+ /* As CARRYOVER should not be that large, we had
+ better avoid overhead of bcopy. */
+ BCOPY_SHORT (bufptr + process_coding.consumed, bufptr,
+ carryover);
+ if (process_coding.result == CODING_FINISH_INSUFFICIENT_CMP)
{
- /* As CARRYOVER should not be that large, we had
- better avoid overhead of bcopy. */
- char *p = bufptr + process_coding.consumed;
- char *pend = p + carryover;
- char *dst = bufptr;
-
- while (p < pend) *dst++ = *p++;
+ /* The decoding ended because of insufficient data
+ area to record information about composition.
+ We must try decoding with additional data area
+ before reading more output for the process. */
+ coding_allocate_composition_data (&process_coding, PT);
+ goto repeat_decoding;
}
}
}
+
if (process_coding.mode & CODING_MODE_LAST_BLOCK)
- {
- if (carryover > 0)
- insert (bufptr, carryover);
- break;
- }
+ break;
/* Make the buffer bigger as we continue to read more data,
but not past 64k. */
}
give_up: ;
- Vlast_coding_system_used = process_coding.symbol;
+ if (!NILP (buffer)
+ && process_coding.cmp_data)
+ {
+ coding_restore_composition (&process_coding, Fcurrent_buffer ());
+ coding_free_composition_data (&process_coding);
+ }
+
+ Vlast_coding_system_used = process_coding.symbol;
- /* If the caller required, let the buffer inherit the
- coding-system used to decode the process output. */
- if (inherit_process_coding_system)
- call1 (intern ("after-insert-file-set-buffer-file-coding-system"),
- make_number (total_read));
+ /* If the caller required, let the buffer inherit the
+ coding-system used to decode the process output. */
+ if (inherit_process_coding_system)
+ call1 (intern ("after-insert-file-set-buffer-file-coding-system"),
+ make_number (total_read));
}
/* Wait for it to terminate, unless it already has. */
unbind_to (count, Qnil);
if (synch_process_death)
- return build_string (synch_process_death);
+ return code_convert_string_norecord (build_string (synch_process_death),
+ Vlocale_coding_system, 0);
return make_number (synch_process_retcode);
}
#endif
DEFUN ("call-process-region", Fcall_process_region, Scall_process_region,
3, MANY, 0,
"Send text from START to END to a synchronous process running PROGRAM.\n\
+The remaining arguments are optional.\n\
Delete the text if fourth arg DELETE is non-nil.\n\
\n\
Insert output in BUFFER before point; t means current buffer;\n\
register Lisp_Object start, end;
int count = specpdl_ptr - specpdl;
/* Qt denotes we have not yet called Ffind_operation_coding_system. */
- Lisp_Object coding_systems = Qt;
+ Lisp_Object coding_systems;
Lisp_Object val, *args2;
int i;
#ifdef DOS_NT
char *tempfile;
char *outf = '\0';
- if ((outf = egetenv ("TMP")) || (outf = egetenv ("TEMP")))
+ if ((outf = egetenv ("TMPDIR"))
+ || (outf = egetenv ("TMP"))
+ || (outf = egetenv ("TEMP")))
strcpy (tempfile = alloca (strlen (outf) + 20), outf);
else
{
STRING_BYTES (XSTRING (Vtemp_file_name_pattern)) + 1);
#endif /* not DOS_NT */
+ coding_systems = Qt;
+
mktemp (tempfile);
filename_string = build_string (tempfile);
for (i = 0; i < nargs; i++) args2[i + 1] = args[i];
coding_systems = Ffind_operation_coding_system (nargs + 1, args2);
if (CONSP (coding_systems))
- val = XCONS (coding_systems)->cdr;
+ val = XCDR (coding_systems);
else if (CONSP (Vdefault_process_coding_system))
- val = XCONS (Vdefault_process_coding_system)->cdr;
+ val = XCDR (Vdefault_process_coding_system);
else
val = Qnil;
}
record_unwind_protect (delete_temp_file, filename_string);
- if (!NILP (args[3]))
+ if (nargs > 3 && !NILP (args[3]))
Fdelete_region (start, end);
- args[3] = filename_string;
+ if (nargs > 3)
+ {
+ args += 2;
+ nargs -= 2;
+ }
+ else
+ {
+ args[0] = args[2];
+ nargs = 2;
+ }
+ args[1] = filename_string;
- RETURN_UNGCPRO (unbind_to (count, Fcall_process (nargs - 2, args + 2)));
+ RETURN_UNGCPRO (unbind_to (count, Fcall_process (nargs, args)));
}
\f
#ifndef VMS /* VMS version is in vmsproc.c. */
new_length = 0;
for (tem = Vprocess_environment;
- CONSP (tem) && STRINGP (XCONS (tem)->car);
- tem = XCONS (tem)->cdr)
+ CONSP (tem) && STRINGP (XCAR (tem));
+ tem = XCDR (tem))
new_length++;
/* new_length + 2 to include PWD and terminating 0. */
/* Copy the Vprocess_environment strings into new_env. */
for (tem = Vprocess_environment;
- CONSP (tem) && STRINGP (XCONS (tem)->car);
- tem = XCONS (tem)->cdr)
+ CONSP (tem) && STRINGP (XCAR (tem));
+ tem = XCDR (tem))
{
char **ep = env;
- char *string = (char *) XSTRING (XCONS (tem)->car)->data;
+ char *string = (char *) XSTRING (XCAR (tem))->data;
/* See if this string duplicates any string already in the env.
If so, don't put it in.
When an env var has multiple definitions,
}
#ifndef MSDOS
- close (0);
- close (1);
- close (2);
+ emacs_close (0);
+ emacs_close (1);
+ emacs_close (2);
dup2 (in, 0);
dup2 (out, 1);
dup2 (err, 2);
- close (in);
- close (out);
- close (err);
+ emacs_close (in);
+ emacs_close (out);
+ emacs_close (err);
#endif /* not MSDOS */
#endif /* not WINDOWSNT */
environ = env;
execvp (new_argv[0], new_argv);
- write (1, "Can't exec program: ", 20);
- write (1, new_argv[0], strlen (new_argv[0]));
- write (1, "\n", 1);
+ emacs_write (1, "Can't exec program: ", 20);
+ emacs_write (1, new_argv[0], strlen (new_argv[0]));
+ emacs_write (1, "\n", 1);
_exit (1);
#endif /* not WINDOWSNT */
#endif /* not MSDOS */
char *message1 = "Error while setting up child: ";
char *errmessage = strerror (errno);
char *message2 = "\n";
- write (2, message1, strlen (message1));
- write (2, errmessage, strlen (errmessage));
- write (2, message2, strlen (message2));
+ emacs_write (2, message1, strlen (message1));
+ emacs_write (2, errmessage, strlen (errmessage));
+ emacs_write (2, message2, strlen (message2));
_exit (1);
}
/* Note that we hold the original FD open while we recurse,
to guarantee we'll get a new FD if we need it. */
new = relocate_fd (new, minfd);
- close (fd);
+ emacs_close (fd);
return new;
}
}
{
Lisp_Object scan;
- for (scan = Vprocess_environment; CONSP (scan); scan = XCONS (scan)->cdr)
+ for (scan = Vprocess_environment; CONSP (scan); scan = XCDR (scan))
{
Lisp_Object entry;
- entry = XCONS (scan)->car;
+ entry = XCAR (scan);
if (STRINGP (entry)
&& STRING_BYTES (XSTRING (entry)) > varlen
&& XSTRING (entry)->data[varlen] == '='
return 0;
}
-DEFUN ("getenv", Fgetenv, Sgetenv, 1, 1, 0,
+DEFUN ("getenv-internal", Fgetenv_internal, Sgetenv_internal, 1, 1, 0,
"Return the value of environment variable VAR, as a string.\n\
VAR should be a string. Value is nil if VAR is undefined in the environment.\n\
This function consults the variable ``process-environment'' for its value.")
: PATH_DOC));
/* Check the EMACSPATH environment variable, defaulting to the
- PATH_EXEC path from paths.h. */
+ PATH_EXEC path from epaths.h. */
Vexec_path = decode_env_path ("EMACSPATH", PATH_EXEC);
Vexec_directory = Ffile_name_as_directory (Fcar (Vexec_path));
Vexec_path = nconc2 (decode_env_path ("PATH", ""), Vexec_path);
Lisp_Object tem;
tem = Fexpand_file_name (build_string ("lib-src"),
Vinstallation_directory);
- if (NILP (Fmember (tem, Vexec_path)))
- {
#ifndef DOS_NT
/* MSDOS uses wrapped binaries, so don't do this. */
- Vexec_path = nconc2 (Vexec_path, Fcons (tem, Qnil));
- Vexec_directory = Ffile_name_as_directory (tem);
+ if (NILP (Fmember (tem, Vexec_path)))
+ Vexec_path = nconc2 (Vexec_path, Fcons (tem, Qnil));
+
+ Vexec_directory = Ffile_name_as_directory (tem);
#endif /* not DOS_NT */
- }
/* Maybe use ../etc as well as ../lib-src. */
if (data_dir == 0)
#ifndef VMS
defsubr (&Scall_process);
- defsubr (&Sgetenv);
+ defsubr (&Sgetenv_internal);
#endif
defsubr (&Scall_process_region);
}
HCoop / bpt / emacs.git / blobdiff