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Diffstat (limited to 'linkers/libiberty/pex-msdos.c')
-rw-r--r--linkers/libiberty/pex-msdos.c317
1 files changed, 0 insertions, 317 deletions
diff --git a/linkers/libiberty/pex-msdos.c b/linkers/libiberty/pex-msdos.c
deleted file mode 100644
index fa0f40a..0000000
--- a/linkers/libiberty/pex-msdos.c
+++ /dev/null
@@ -1,317 +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, 2005
- 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., 51 Franklin Street - Fifth Floor,
-Boston, MA 02110-1301, 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>
-
-/* The structure we keep in obj->sysdep. */
-
-#define PEX_MSDOS_FILE_COUNT 3
-
-#define PEX_MSDOS_FD_OFFSET 10
-
-struct pex_msdos
-{
- /* An array of file names. We refer to these using file descriptors
- of 10 + array index. */
- const char *files[PEX_MSDOS_FILE_COUNT];
- /* Exit statuses of programs which have been run. */
- int *statuses;
-};
-
-static int pex_msdos_open (struct pex_obj *, const char *, int);
-static int pex_msdos_open (struct pex_obj *, const char *, int);
-static int pex_msdos_fdindex (struct pex_msdos *, int);
-static pid_t pex_msdos_exec_child (struct pex_obj *, int, const char *,
- char * const *, char * const *,
- int, int, int, int,
- int, const char **, int *);
-static int pex_msdos_close (struct pex_obj *, int);
-static pid_t pex_msdos_wait (struct pex_obj *, pid_t, int *, struct pex_time *,
- int, const char **, int *);
-static void pex_msdos_cleanup (struct pex_obj *);
-
-/* The list of functions we pass to the common routines. */
-
-const struct pex_funcs funcs =
-{
- pex_msdos_open,
- pex_msdos_open,
- pex_msdos_exec_child,
- pex_msdos_close,
- pex_msdos_wait,
- NULL, /* pipe */
- NULL, /* fdopenr */
- NULL, /* fdopenw */
- pex_msdos_cleanup
-};
-
-/* Return a newly initialized pex_obj structure. */
-
-struct pex_obj *
-pex_init (int flags, const char *pname, const char *tempbase)
-{
- struct pex_obj *ret;
- int i;
-
- /* MSDOS does not support pipes. */
- flags &= ~ PEX_USE_PIPES;
-
- ret = pex_init_common (flags, pname, tempbase, funcs);
-
- ret->sysdep = XNEW (struct pex_msdos);
- for (i = 0; i < PEX_MSDOS_FILE_COUNT; ++i)
- ret->files[i] = NULL;
- ret->statuses = NULL;
-
- return ret;
-}
-
-/* Open a file. FIXME: We ignore the binary argument, since we have
- no way to handle it. */
-
-static int
-pex_msdos_open (struct pex_obj *obj, const char *name,
- int binary ATTRIBUTE_UNUSED)
-{
- struct pex_msdos *ms;
- int i;
-
- ms = (struct pex_msdos *) obj->sysdep;
-
- for (i = 0; i < PEX_MSDOS_FILE_COUNT; ++i)
- {
- if (ms->files[i] == NULL)
- {
- ms->files[i] = xstrdup (name);
- return i + PEX_MSDOS_FD_OFFSET;
- }
- }
-
- abort ();
-}
-
-/* Get the index into msdos->files associated with an open file
- descriptor. */
-
-static int
-pex_msdos_fdindex (struct pex_msdos *ms, int fd)
-{
- fd -= PEX_MSDOS_FD_OFFSET;
- if (fd < 0 || fd >= PEX_MSDOS_FILE_COUNT || ms->files[fd] == NULL)
- abort ();
- return fd;
-}
-
-
-/* Close a file. */
-
-static int
-pex_msdos_close (struct pex_obj *obj, int fd)
-{
- struct pex_msdos *ms;
- int fdinex;
-
- ms = (struct pex_msdos *) obj->sysdep;
- fdindex = pe_msdos_fdindex (ms, fd);
- free (ms->files[fdindex]);
- ms->files[fdindex] = NULL;
-}
-
-/* Execute a child. */
-
-static pid_t
-pex_msdos_exec_child (struct pex_obj *obj, int flags, const char *executable,
- char * const * argv, char * const * env, int in, int out,
- int toclose ATTRIBUTE_UNUSED,
- int errdes ATTRIBUTE_UNUSED, const char **errmsg,
- int *err)
-{
- struct pex_msdos *ms;
- char *temp_base;
- int temp_base_allocated;
- char *rf;
- int inindex;
- char *infile;
- int outindex;
- char *outfile;
- char *scmd;
- FILE *argfile;
- int i;
- int status;
-
- ms = (struct pex_msdos *) obj->sysdep;
-
- /* FIXME: I don't know how to redirect stderr, so we ignore ERRDES
- and PEX_STDERR_TO_STDOUT. */
-
- temp_base = obj->temp_base;
- if (temp_base != NULL)
- temp_base_allocated = 0;
- else
- {
- temp_base = choose_temp_base ();
- temp_base_allocated = 1;
- }
-
- rf = concat (temp_base, ".gp", NULL);
-
- if (temp_base_allocated)
- free (temp_base);
-
- if (in == STDIN_FILE_NO)
- {
- inindex = -1;
- infile = "";
- }
- else
- {
- inindex = pex_msdos_fdindex (ms, in);
- infile = ms->files[inindex];
- }
-
- if (out == STDOUT_FILE_NO)
- {
- outindex = -1;
- outfile = "";
- }
- else
- {
- outindex = pex_msdos_fdindex (ms, out);
- outfile = ms->files[outindex];
- }
-
- scmd = XNEWVEC (char, strlen (program)
- + ((flags & PEXECUTE_SEARCH) != 0 ? 4 : 0)
- + strlen (rf)
- + strlen (infile)
- + strlen (outfile)
- + 10);
- sprintf (scmd, "%s%s @%s%s%s%s%s",
- program,
- (flags & PEXECUTE_SEARCH) != 0 ? ".exe" : "",
- rf,
- inindex != -1 ? " <" : "",
- infile,
- outindex != -1 ? " >" : "",
- outfile);
-
- argfile = fopen (rf, "w");
- if (argfile == NULL)
- {
- *err = errno;
- free (scmd);
- free (rf);
- *errmsg = "cannot open temporary command file";
- return (pid_t) -1;
- }
-
- for (i = 1; argv[i] != NULL; ++i)
- {
- char *p;
-
- for (p = argv[i]; *p != '\0'; ++p)
- {
- if (*p == '"' || *p == '\'' || *p == '\\' || ISSPACE (*p))
- putc ('\\', argfile);
- putc (*p, argfile);
- }
- putc ('\n', argfile);
- }
-
- fclose (argfile);
-
- status = system (scmd);
-
- if (status == -1)
- {
- *err = errno;
- remove (rf);
- free (scmd);
- free (rf);
- *errmsg = "system";
- return (pid_t) -1;
- }
-
- remove (rf);
- free (scmd);
- free (rf);
-
- /* Save the exit status for later. When we are called, obj->count
- is the number of children which have executed before this
- one. */
- ms->statuses = XRESIZEVEC(int, ms->statuses, obj->count + 1);
- ms->statuses[obj->count] = status;
-
- return (pid_t) obj->count;
-}
-
-/* Wait for a child process to complete. Actually the child process
- has already completed, and we just need to return the exit
- status. */
-
-static pid_t
-pex_msdos_wait (struct pex_obj *obj, pid_t pid, int *status,
- struct pex_time *time, int done ATTRIBUTE_UNUSED,
- const char **errmsg ATTRIBUTE_UNUSED,
- int *err ATTRIBUTE_UNUSED)
-{
- struct pex_msdos *ms;
-
- ms = (struct pex_msdos *) obj->sysdep;
-
- if (time != NULL)
- memset (time, 0, sizeof *time);
-
- *status = ms->statuses[pid];
-
- return 0;
-}
-
-/* Clean up the pex_msdos structure. */
-
-static void
-pex_msdos_cleanup (struct pex_obj *obj)
-{
- struct pex_msdos *ms;
- int i;
-
- ms = (struct pex_msdos *) obj->sysdep;
- for (i = 0; i < PEX_MSDOS_FILE_COUNT; ++i)
- free (msdos->files[i]);
- free (msdos->statuses);
- free (msdos);
- obj->sysdep = NULL;
-}
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