blob: 4339077333e7b5a17dde8fb760572d1f01fe2622 [file] [log] [blame]
/* VMS archive wrapper.
Copyright (C) 2011-2015 Free Software Foundation, Inc.
Contributed by AdaCore.
This file is part of GCC.
GCC 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 3, or (at your option)
any later version.
GCC 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 GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "libiberty.h"
#define FATAL_EXIT_CODE (44 | 0x10000000)
/* Librarian arguments. */
static int lib_arg_max = 0;
static const char **lib_args;
static int lib_arg_index = -1;
/* Set for r/c/x/v command. */
static int replace_mode = 0;
static int create_mode = 0;
static int extract_mode = 0;
static int verbose_mode = 0;
static char modecmd[32];
static char libname[256];
#define TEMP_FILE "arXXXXXX"
#define TEMP_FILE_LEN (sizeof(TEMP_FILE) - 1)
#define SUFFIX ".com"
#define SUFFIX_LEN (sizeof(SUFFIX) - 1)
static char *to_host_file_spec (char *filespec);
static int is_regular_file (char *name);
#ifdef VMS
static char new_host_filespec [255];
static char filename_buff [256];
static int
translate_unix (char *name, int type)
{
strcpy (filename_buff, name);
return 0;
}
#endif
static char *
to_host_file_spec (char *filespec)
{
#ifdef VMS
if (strchr (filespec, ']') || strchr (filespec, ':'))
return filespec;
else
{
strcpy (filename_buff, filespec);
decc$to_vms (filespec, translate_unix, 1, 1);
strcpy (new_host_filespec, filename_buff);
return new_host_filespec;
}
#else
return filespec;
#endif
}
/* Check to see if the file named in NAME is a regular file, i.e. not a
directory. */
static int
is_regular_file (char *name)
{
int ret;
struct stat statbuf;
ret = stat (name, &statbuf);
return !ret && S_ISREG (statbuf.st_mode);
}
/* Add the argument contained in STR to the list of arguments to pass to the
archiver. */
static void
addarg (const char *str)
{
if (++lib_arg_index >= lib_arg_max)
{
lib_arg_max += 1000;
lib_args = XRESIZEVEC (const char *, lib_args, lib_arg_max);
}
lib_args[lib_arg_index] = str;
}
static void
usage (void)
{
printf ("usage: ar -r [-cv] archive file...\n");
printf (" ar -c [-rv] archive file...\n");
printf (" ar -x [-v] archive [module...]\n");
}
int
main (int argc, char *argv[])
{
int i, nexti, iarg;
FILE *comfile;
int comfd;
int outlen, maxoutlen = 4000;
char temp_filename[] = TEMP_FILE SUFFIX;
char command[256];
int status;
if (argc < 2)
{
fprintf (stderr, "ar: no command or archive\n");
exit (FATAL_EXIT_CODE);
}
if (argv[1][0] != '-')
{
int arglen = strlen (argv[1]);
/* Compatibility mode. */
for (i = 0; i < arglen; i++)
{
if (argv[1][i] == 'r')
{
replace_mode = 1;
}
else if (argv[1][i] == 'c')
{
create_mode = 1;
}
else if (argv[1][i] == 'x')
{
extract_mode = 1;
}
else if (argv[1][i] == 'v')
{
verbose_mode = 1;
}
else
{
fprintf (stderr, "ar: unknown command '%c'\n", argv[1][i]);
exit (FATAL_EXIT_CODE);
}
}
nexti = 2;
}
else
{
/* Option mode. */
nexti = 1;
for (i = 1; i < argc; i++)
{
if (argv[i][0] != '-')
{
nexti = i;
break;
}
else if (strcmp (argv[i], "-r") == 0)
{
replace_mode = 1;
}
else if (strcmp (argv[i], "-c") == 0)
{
create_mode = 1;
}
else if (strcmp (argv[i], "-x") == 0)
{
extract_mode = 1;
}
else if (strcmp (argv[i], "-v") == 0)
{
verbose_mode = 1;
}
else if (strcmp (argv[i], "--help") == 0)
{
usage ();
exit (EXIT_SUCCESS);
}
else
{
fprintf (stderr, "ar: unknown option %s\n", argv[i]);
exit (FATAL_EXIT_CODE);
}
}
}
if (extract_mode)
{
do
{
char *lname = argv[nexti];
int lnamelen;
/* Next argument is the archive name. */
if (is_regular_file (lname))
{
addarg (xstrdup (to_host_file_spec (lname)));
break;
}
/* If not found, try with .olb instead of .a. */
lnamelen = strlen (lname);
if (lnamelen > 2
&& strcmp (&lname [lnamelen - 2], ".a") == 0)
{
char *nlibname;
nlibname = (char *)alloca (lnamelen + 3);
strcpy (nlibname, lname);
strcpy (&nlibname [lnamelen - 2], ".olb");
if (is_regular_file (nlibname))
{
addarg (xstrdup (to_host_file_spec (nlibname)));
break;
}
}
fprintf (stderr, "ar: file '%s' doesn't exist\n", lname);
exit (FATAL_EXIT_CODE);
} while (0);
}
else
strcpy (libname, to_host_file_spec (argv[nexti]));
nexti++;
/* Build command mode. */
if (replace_mode)
{
strcat (modecmd, "/replace");
if (!is_regular_file (libname) || !replace_mode)
{
/* Really create if the archive doesn't exist. */
strcat (modecmd, "/create");
}
}
else if (extract_mode)
{
if (nexti == argc)
{
/* Extract all. */
strcat (modecmd, "/extract=(*");
}
else
strcat (modecmd, "/extract=(");
}
/* Add files. */
for (i = nexti; i < argc; i++)
{
if (extract_mode)
{
/* Convert to module name (remove extension) and quote it. */
char *module = argv[i];
int module_len = strlen (module);
char *newarg = (char *)xmalloc (module_len + 3);
int l;
newarg[0] = '"';
memcpy (newarg + 1, module, module_len);
l = 1 + module_len;
if (module_len > 4
&& strcmp (&module[module_len - 4], ".obj") == 0)
l -= 4;
newarg[l] = '"';
newarg[l + 1] = 0;
addarg (newarg);
}
else
{
/* Add the filename. */
addarg (xstrdup (to_host_file_spec (argv[i])));
}
}
if (extract_mode)
addarg (")");
/* Create the command file name. */
strcpy (temp_filename, TEMP_FILE SUFFIX);
comfd = mkstemps (temp_filename, SUFFIX_LEN);
comfile = fdopen (comfd, "w");
/* Write the command file.
We need to split to command into severals ones if it is too long. */
outlen = 0;
for (iarg = 0; iarg <= lib_arg_index; iarg++)
{
if (outlen == 0)
{
fprintf (comfile, "$ library %s %s -\n", modecmd, libname);
if (create_mode && iarg == 0)
strcpy (modecmd, "/replace");
}
fprintf (comfile, "%s", lib_args [iarg]);
outlen += strlen (lib_args [iarg]) + 2;
if (outlen > maxoutlen || iarg == lib_arg_index)
{
/* Will write a new command. */
fprintf (comfile, "\n");
outlen = 0;
}
else
{
/* Continuation line. */
fprintf (comfile, ",-\n");
}
}
fclose (comfile);
sprintf (command, "@%s", temp_filename);
status = system (command);
remove (temp_filename);
exit (status);
}