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-rw-r--r--contrib/tcsh/sh.misc.c516
1 files changed, 0 insertions, 516 deletions
diff --git a/contrib/tcsh/sh.misc.c b/contrib/tcsh/sh.misc.c
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index 5b3595319f27..000000000000
--- a/contrib/tcsh/sh.misc.c
+++ /dev/null
@@ -1,516 +0,0 @@
-/* $Header: /src/pub/tcsh/sh.misc.c,v 3.23 1997/02/23 19:03:23 christos Exp $ */
-/*
- * sh.misc.c: Miscelaneous functions
- */
-/*-
- * Copyright (c) 1980, 1991 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-#include "sh.h"
-
-RCSID("$Id: sh.misc.c,v 3.23 1997/02/23 19:03:23 christos Exp $")
-
-static int renum __P((int, int));
-static Char **blkend __P((Char **));
-static Char **blkcat __P((Char **, Char **));
-
-/*
- * C Shell
- */
-
-int
-any(s, c)
- register char *s;
- register int c;
-{
- if (!s)
- return (0); /* Check for nil pointer */
- while (*s)
- if (*s++ == c)
- return (1);
- return (0);
-}
-
-void
-setzero(cp, i)
- char *cp;
- int i;
-{
- if (i != 0)
- do
- *cp++ = 0;
- while (--i);
-}
-
-char *
-strsave(s)
- register const char *s;
-{
- char *n;
- register char *p;
-
- if (s == NULL)
- s = (const char *) "";
- for (p = (char *) s; *p++ != '\0';)
- continue;
- n = p = (char *) xmalloc((size_t)
- ((((const char *) p) - s) * sizeof(char)));
- while ((*p++ = *s++) != '\0')
- continue;
- return (n);
-}
-
-static Char **
-blkend(up)
- register Char **up;
-{
-
- while (*up)
- up++;
- return (up);
-}
-
-
-void
-blkpr(av)
- register Char **av;
-{
-
- for (; *av; av++) {
- xprintf("%S", *av);
- if (av[1])
- xprintf(" ");
- }
-}
-
-void
-blkexpand(av, str)
- register Char **av;
- Char *str;
-{
- *str = '\0';
- for (; *av; av++) {
- (void) Strcat(str, *av);
- if (av[1])
- (void) Strcat(str, STRspace);
- }
-}
-
-int
-blklen(av)
- register Char **av;
-{
- register int i = 0;
-
- while (*av++)
- i++;
- return (i);
-}
-
-Char **
-blkcpy(oav, bv)
- Char **oav;
- register Char **bv;
-{
- register Char **av = oav;
-
- while ((*av++ = *bv++) != NULL)
- continue;
- return (oav);
-}
-
-static Char **
-blkcat(up, vp)
- Char **up, **vp;
-{
-
- (void) blkcpy(blkend(up), vp);
- return (up);
-}
-
-void
-blkfree(av0)
- Char **av0;
-{
- register Char **av = av0;
-
- if (!av0)
- return;
- for (; *av; av++)
- xfree((ptr_t) * av);
- xfree((ptr_t) av0);
-}
-
-Char **
-saveblk(v)
- register Char **v;
-{
- register Char **newv =
- (Char **) xcalloc((size_t) (blklen(v) + 1), sizeof(Char **));
- Char **onewv = newv;
-
- while (*v)
- *newv++ = Strsave(*v++);
- return (onewv);
-}
-
-#if !defined(SHORT_STRINGS) && !defined(POSIX)
-char *
-strstr(s, t)
- register const char *s, *t;
-{
- do {
- register const char *ss = s;
- register const char *tt = t;
-
- do
- if (*tt == '\0')
- return ((char *) s);
- while (*ss++ == *tt++);
- } while (*s++ != '\0');
- return (NULL);
-}
-
-#endif /* !SHORT_STRINGS && !POSIX */
-
-#ifndef SHORT_STRINGS
-char *
-strspl(cp, dp)
- char *cp, *dp;
-{
- char *ep;
- register char *p, *q;
-
- if (!cp)
- cp = "";
- if (!dp)
- dp = "";
- for (p = cp; *p++ != '\0';)
- continue;
- for (q = dp; *q++ != '\0';)
- continue;
- ep = (char *) xmalloc((size_t) (((p - cp) + (q - dp) - 1) * sizeof(char)));
- for (p = ep, q = cp; (*p++ = *q++) != '\0';)
- continue;
- for (p--, q = dp; (*p++ = *q++) != '\0';)
- continue;
- return (ep);
-}
-
-#endif /* !SHORT_STRINGS */
-
-Char **
-blkspl(up, vp)
- register Char **up, **vp;
-{
- register Char **wp =
- (Char **) xcalloc((size_t) (blklen(up) + blklen(vp) + 1),
- sizeof(Char **));
-
- (void) blkcpy(wp, up);
- return (blkcat(wp, vp));
-}
-
-Char
-lastchr(cp)
- register Char *cp;
-{
-
- if (!cp)
- return (0);
- if (!*cp)
- return (0);
- while (cp[1])
- cp++;
- return (*cp);
-}
-
-/*
- * This routine is called after an error to close up
- * any units which may have been left open accidentally.
- */
-void
-closem()
-{
- register int f;
-
-#ifdef YPBUGS
- /* suggested by Justin Bur; thanks to Karl Kleinpaste */
- fix_yp_bugs();
-#endif /* YPBUGS */
- for (f = 0; f < NOFILE; f++)
- if (f != SHIN && f != SHOUT && f != SHDIAG && f != OLDSTD &&
- f != FSHTTY
-#ifdef MALLOC_TRACE
- && f != 25
-#endif /* MALLOC_TRACE */
- )
- {
- (void) close(f);
-#ifdef NISPLUS
- if(f < 3)
- (void) open(_PATH_DEVNULL, O_RDONLY);
-#endif /* NISPLUS */
- }
-}
-
-#ifndef CLOSE_ON_EXEC
-/*
- * Close files before executing a file.
- * We could be MUCH more intelligent, since (on a version 7 system)
- * we need only close files here during a source, the other
- * shell fd's being in units 16-19 which are closed automatically!
- */
-void
-closech()
-{
- register int f;
-
- if (didcch)
- return;
- didcch = 1;
- SHIN = 0;
- SHOUT = 1;
- SHDIAG = 2;
- OLDSTD = 0;
- isoutatty = isatty(SHOUT);
- isdiagatty = isatty(SHDIAG);
- for (f = 3; f < NOFILE; f++)
- (void) close(f);
-}
-
-#endif /* CLOSE_ON_EXEC */
-
-void
-donefds()
-{
-
- (void) close(0);
- (void) close(1);
- (void) close(2);
- didfds = 0;
-#ifdef NISPLUS
- {
- int fd = open(_PATH_DEVNULL, O_RDONLY);
- (void) dup2(fd, 1);
- (void) dup2(fd, 2);
- if (fd != 0) {
- (void) dup2(fd, 0);
- (void) close(fd);
- }
- }
-#endif /*NISPLUS*/
-}
-
-/*
- * Move descriptor i to j.
- * If j is -1 then we just want to get i to a safe place,
- * i.e. to a unit > 2. This also happens in dcopy.
- */
-int
-dmove(i, j)
- register int i, j;
-{
-
- if (i == j || i < 0)
- return (i);
-#ifdef HAVEDUP2
- if (j >= 0) {
- (void) dup2(i, j);
- if (j != i)
- (void) close(i);
- return (j);
- }
-#endif
- j = dcopy(i, j);
- if (j != i)
- (void) close(i);
- return (j);
-}
-
-int
-dcopy(i, j)
- register int i, j;
-{
-
- if (i == j || i < 0 || (j < 0 && i > 2))
- return (i);
- if (j >= 0) {
-#ifdef HAVEDUP2
- (void) dup2(i, j);
- return (j);
-#else
- (void) close(j);
-#endif
- }
- return (renum(i, j));
-}
-
-static int
-renum(i, j)
- register int i, j;
-{
- register int k = dup(i);
-
- if (k < 0)
- return (-1);
- if (j == -1 && k > 2)
- return (k);
- if (k != j) {
- j = renum(k, j);
- (void) close(k);
- return (j);
- }
- return (k);
-}
-
-/*
- * Left shift a command argument list, discarding
- * the first c arguments. Used in "shift" commands
- * as well as by commands like "repeat".
- */
-void
-lshift(v, c)
- register Char **v;
- register int c;
-{
- register Char **u;
-
- for (u = v; *u && --c >= 0; u++)
- xfree((ptr_t) *u);
- (void) blkcpy(v, u);
-}
-
-int
-number(cp)
- Char *cp;
-{
- if (!cp)
- return (0);
- if (*cp == '-') {
- cp++;
- if (!Isdigit(*cp))
- return (0);
- cp++;
- }
- while (*cp && Isdigit(*cp))
- cp++;
- return (*cp == 0);
-}
-
-Char **
-copyblk(v)
- register Char **v;
-{
- register Char **nv =
- (Char **) xcalloc((size_t) (blklen(v) + 1), sizeof(Char **));
-
- return (blkcpy(nv, v));
-}
-
-#ifndef SHORT_STRINGS
-char *
-strend(cp)
- register char *cp;
-{
- if (!cp)
- return (cp);
- while (*cp)
- cp++;
- return (cp);
-}
-
-#endif /* SHORT_STRINGS */
-
-Char *
-strip(cp)
- Char *cp;
-{
- register Char *dp = cp;
-
- if (!cp)
- return (cp);
- while ((*dp++ &= TRIM) != '\0')
- continue;
- return (cp);
-}
-
-Char *
-quote(cp)
- Char *cp;
-{
- register Char *dp = cp;
-
- if (!cp)
- return (cp);
- while (*dp != '\0')
- *dp++ |= QUOTE;
- return (cp);
-}
-
-Char *
-quote_meta(d, s)
- Char *d;
- const Char *s;
-{
- Char *r = d;
- while (*s != '\0') {
- if (cmap(*s, _META | _DOL | _QF | _QB | _ESC | _GLOB))
- *d++ = '\\';
- *d++ = *s++;
- }
- *d = '\0';
- return r;
-}
-
-void
-udvar(name)
- Char *name;
-{
-
- setname(short2str(name));
- stderror(ERR_NAME | ERR_UNDVAR);
-}
-
-int
-prefix(sub, str)
- register Char *sub, *str;
-{
-
- for (;;) {
- if (*sub == 0)
- return (1);
- if (*str == 0)
- return (0);
- if ((*sub++ & TRIM) != (*str++ & TRIM))
- return (0);
- }
-}
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