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- /*
- * gawkmisc.vms --- miscellanious gawk routines that are OS specific.
- */
-
- /*
- * Copyright (C) 1986, 1988, 1989, 1991-1995 the Free Software Foundation, Inc.
- *
- * This file is part of GAWK, the GNU implementation of the
- * AWK Progamming Language.
- *
- * GAWK 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 of the License, or
- * (at your option) any later version.
- *
- * GAWK 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 this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-
- char quote = '\'';
- char *defpath = DEFPATH;
- char envsep = ':';
-
- /* gawk_name --- pull out the "gawk" part from how the OS called us */
-
- char *
- gawk_name(filespec)
- const char *filespec;
- {
- char *p, *q;
-
- /* "device:[root.][directory.subdir]GAWK.EXE;n" -> "GAWK" */
- p = strrchr(filespec, ']'); /* directory punctuation */
- q = strrchr(filespec, '>'); /* alternate <international> punct */
-
- if (p == NULL || q > p)
- p = q;
- p = strdup(p == NULL ? filespec : (p + 1));
- if ((q = strrchr(p, '.')) != NULL)
- *q = '\0'; /* strip .typ;vers */
-
- return p;
- }
-
- /* os_arg_fixup --- fixup the command line */
-
- void
- os_arg_fixup(argcp, argvp)
- int *argcp;
- char ***argvp;
- {
- (void) vms_arg_fixup(argcp, argvp);
- }
-
- /* os_devopen --- open special per-OS devices */
-
- int
- os_devopen(name, flag)
- const char *name;
- int flag;
- {
- return vms_devopen(name, flag);
- }
-
- /* optimal_bufsize --- determine optimal buffer size */
-
- int
- optimal_bufsize(fd, stb)
- int fd;
- struct stat *stb;
- {
-
- /* force all members to zero in case OS doesn't use all of them. */
- memset(stb, '\0', sizeof(struct stat));
-
- /*
- * These values correspond with the RMS multi-block count used by
- * vms_open() in vms/vms_misc.c.
- */
- if (isatty(fd) > 0)
- return BUFSIZ;
- else if (fstat(fd, stb) < 0)
- return 8*512; /* conservative in case of DECnet access */
- else
- return 32*512;
- }
-
- /* ispath --- return true if path has directory components */
-
- int
- ispath(file)
- const char *file;
- {
- for (; *file; file++) {
- switch (*file) {
- case ':':
- case ']':
- case '>':
- case '/':
- return 1;
- }
- }
- return 0;
- }
-
- /* isdirpunct --- return true if char is a directory separator */
-
- int
- isdirpunct(c)
- int c;
- {
- return (strchr(":]>/", c) != NULL);
- }
-
-
-