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-rw-r--r--libiberty/pex-msdos.c147
1 files changed, 0 insertions, 147 deletions
diff --git a/libiberty/pex-msdos.c b/libiberty/pex-msdos.c
deleted file mode 100644
index d61c129b97f..00000000000
--- a/libiberty/pex-msdos.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/* Utilities to execute a program in a subprocess (possibly linked by pipes
- with other subprocesses), and wait for it. Generic MSDOS specialization.
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003
- Free Software Foundation, Inc.
-
-This file is part of the libiberty library.
-Libiberty is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public
-License as published by the Free Software Foundation; either
-version 2 of the License, or (at your option) any later version.
-
-Libiberty 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
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with libiberty; see the file COPYING.LIB. If not,
-write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-#include "pex-common.h"
-
-#include <stdio.h>
-#include <errno.h>
-#ifdef NEED_DECLARATION_ERRNO
-extern int errno;
-#endif
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-
-#include "safe-ctype.h"
-#include <process.h>
-
-/* MSDOS doesn't multitask, but for the sake of a consistent interface
- the code behaves like it does. pexecute runs the program, tucks the
- exit code away, and returns a "pid". pwait must be called to fetch the
- exit code. */
-
-/* For communicating information from pexecute to pwait. */
-static int last_pid = 0;
-static int last_status = 0;
-static int last_reaped = 0;
-
-int
-pexecute (program, argv, this_pname, temp_base, errmsg_fmt, errmsg_arg, flags)
- const char *program;
- char * const *argv;
- const char *this_pname;
- const char *temp_base;
- char **errmsg_fmt, **errmsg_arg;
- int flags;
-{
- int rc;
- char *scmd, *rf;
- FILE *argfile;
- int i, el = flags & PEXECUTE_SEARCH ? 4 : 0;
-
- last_pid++;
- if (last_pid < 0)
- last_pid = 1;
-
- if ((flags & PEXECUTE_ONE) != PEXECUTE_ONE)
- abort ();
-
- if (temp_base == 0)
- temp_base = choose_temp_base ();
- scmd = (char *) xmalloc (strlen (program) + strlen (temp_base) + 6 + el);
- rf = scmd + strlen(program) + 2 + el;
- sprintf (scmd, "%s%s @%s.gp", program,
- (flags & PEXECUTE_SEARCH ? ".exe" : ""), temp_base);
- argfile = fopen (rf, "w");
- if (argfile == 0)
- {
- int errno_save = errno;
- free (scmd);
- errno = errno_save;
- *errmsg_fmt = "cannot open `%s.gp'";
- *errmsg_arg = temp_base;
- return -1;
- }
-
- for (i=1; argv[i]; i++)
- {
- char *cp;
- for (cp = argv[i]; *cp; cp++)
- {
- if (*cp == '"' || *cp == '\'' || *cp == '\\' || ISSPACE (*cp))
- fputc ('\\', argfile);
- fputc (*cp, argfile);
- }
- fputc ('\n', argfile);
- }
- fclose (argfile);
-
- rc = system (scmd);
-
- {
- int errno_save = errno;
- remove (rf);
- free (scmd);
- errno = errno_save;
- }
-
- if (rc == -1)
- {
- *errmsg_fmt = install_error_msg;
- *errmsg_arg = (char *)program;
- return -1;
- }
-
- /* Tuck the status away for pwait, and return a "pid". */
- last_status = rc << 8;
- return last_pid;
-}
-
-/* Use ECHILD if available, otherwise use EINVAL. */
-#ifdef ECHILD
-#define PWAIT_ERROR ECHILD
-#else
-#define PWAIT_ERROR EINVAL
-#endif
-
-int
-pwait (pid, status, flags)
- int pid;
- int *status;
- int flags;
-{
- /* On MSDOS each pexecute must be followed by its associated pwait. */
- if (pid != last_pid
- /* Called twice for the same child? */
- || pid == last_reaped)
- {
- errno = PWAIT_ERROR;
- return -1;
- }
- /* ??? Here's an opportunity to canonicalize the values in STATUS.
- Needed? */
- *status = last_status;
- last_reaped = last_pid;
- return last_pid;
-}