924 lines
18 KiB
C
924 lines
18 KiB
C
/* $NetBSD: glob.c,v 1.27 2013/07/16 17:47:43 christos Exp $ */
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/*-
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* Copyright (c) 1980, 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)glob.c 8.1 (Berkeley) 5/31/93";
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#else
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__RCSID("$NetBSD: glob.c,v 1.27 2013/07/16 17:47:43 christos Exp $");
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#endif
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#endif /* not lint */
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#include <sys/param.h>
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#include <errno.h>
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#include <glob.h>
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#include <stdarg.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "csh.h"
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#include "extern.h"
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static int noglob;
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static int gargsiz, pargsiz;
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/*
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* Values for gflag
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*/
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#define G_NONE 0 /* No globbing needed */
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#define G_GLOB 1 /* string contains *?[] characters */
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#define G_CSH 2 /* string contains ~`{ characters */
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#define GLOBSPACE 100 /* Alloc increment */
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#define LBRC '{'
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#define RBRC '}'
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#define LBRK '['
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#define RBRK ']'
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#define EOS '\0'
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Char **gargv = NULL;
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Char **pargv = NULL;
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long gargc = 0;
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long pargc = 0;
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/*
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* globbing is now done in two stages. In the first pass we expand
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* csh globbing idioms ~`{ and then we proceed doing the normal
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* globbing if needed ?*[
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*
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* Csh type globbing is handled in globexpand() and the rest is
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* handled in glob() which is part of the 4.4BSD libc.
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*
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*/
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static Char *globtilde(Char **, Char *);
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static Char *handleone(Char *, Char **, int);
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static Char **libglob(Char **);
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static Char **globexpand(Char **);
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static int globbrace(Char *, Char *, Char ***);
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static void expbrace(Char ***, Char ***, size_t);
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static int pmatch(Char *, Char *);
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static void pword(void);
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static void psave(int);
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static void backeval(Char *, int);
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static Char *
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globtilde(Char **nv, Char *s)
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{
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Char gbuf[MAXPATHLEN], *b, *e, *gstart, *u;
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gstart = gbuf;
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*gstart++ = *s++;
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u = s;
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for (b = gstart, e = &gbuf[MAXPATHLEN - 1];
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*s && *s != '/' && *s != ':' && b < e;
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*b++ = *s++)
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continue;
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*b = EOS;
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if (gethdir(gstart)) {
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blkfree(nv);
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if (*gstart)
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stderror(ERR_UNKUSER, vis_str(gstart));
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else
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stderror(ERR_NOHOME);
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}
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b = &gstart[Strlen(gstart)];
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while (*s)
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*b++ = *s++;
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*b = EOS;
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--u;
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xfree((ptr_t) u);
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return (Strsave(gstart));
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}
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static int
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globbrace(Char *s, Char *p, Char ***bl)
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{
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Char gbuf[MAXPATHLEN];
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Char *lm, *pe, *pl, *pm, **nv, **vl;
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int i, len, size;
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size = GLOBSPACE;
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nv = vl = xmalloc(sizeof(Char *) * (size_t)size);
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*vl = NULL;
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len = 0;
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/* copy part up to the brace */
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for (lm = gbuf, p = s; *p != LBRC; *lm++ = *p++)
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continue;
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/* check for balanced braces */
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for (i = 0, pe = ++p; *pe; pe++)
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if (*pe == LBRK) {
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/* Ignore everything between [] */
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for (++pe; *pe != RBRK && *pe != EOS; pe++)
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continue;
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if (*pe == EOS) {
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blkfree(nv);
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return (-RBRK);
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}
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}
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else if (*pe == LBRC)
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i++;
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else if (*pe == RBRC) {
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if (i == 0)
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break;
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i--;
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}
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if (i != 0 || *pe == '\0') {
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blkfree(nv);
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return (-RBRC);
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}
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for (i = 0, pl = pm = p; pm <= pe; pm++)
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switch (*pm) {
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case LBRK:
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for (++pm; *pm != RBRK && *pm != EOS; pm++)
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continue;
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if (*pm == EOS) {
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*vl = NULL;
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blkfree(nv);
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return (-RBRK);
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}
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break;
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case LBRC:
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i++;
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break;
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case RBRC:
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if (i) {
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i--;
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break;
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}
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/* FALLTHROUGH */
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case ',':
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if (i && *pm == ',')
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break;
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else {
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Char savec = *pm;
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*pm = EOS;
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(void)Strcpy(lm, pl);
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(void)Strcat(gbuf, pe + 1);
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*pm = savec;
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*vl++ = Strsave(gbuf);
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len++;
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pl = pm + 1;
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if (vl == &nv[size]) {
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size += GLOBSPACE;
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nv = (Char **)xrealloc((ptr_t) nv,
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(size_t)size * sizeof(Char *));
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vl = &nv[size - GLOBSPACE];
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}
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}
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break;
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default:
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break;
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}
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*vl = NULL;
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*bl = nv;
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return (len);
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}
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static void
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expbrace(Char ***nvp, Char ***elp, size_t size)
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{
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Char **ex, **nv, *s, **vl;
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vl = nv = *nvp;
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if (elp != NULL)
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ex = *elp;
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else
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for (ex = vl; *ex; ex++)
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continue;
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for (s = *vl; s; s = *++vl) {
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Char *b, **bp, **vp;
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/* leave {} untouched for find */
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if (s[0] == '{' && (s[1] == '\0' || (s[1] == '}' && s[2] == '\0')))
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continue;
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if ((b = Strchr(s, '{')) != NULL) {
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Char **bl;
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int len;
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if ((len = globbrace(s, b, &bl)) < 0) {
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xfree((ptr_t)nv);
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stderror(ERR_MISSING, -len);
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}
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xfree((ptr_t) s);
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if (len == 1) {
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*vl-- = *bl;
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xfree((ptr_t) bl);
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continue;
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}
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len = blklen(bl);
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if (&ex[len] >= &nv[size]) {
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ptrdiff_t l, e;
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l = &ex[len] - &nv[size];
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size += (size_t)(GLOBSPACE > l ? GLOBSPACE : l);
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l = vl - nv;
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e = ex - nv;
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nv = (Char **)xrealloc((ptr_t)nv,
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(size_t)size * sizeof(Char *));
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vl = nv + l;
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ex = nv + e;
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}
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vp = vl--;
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*vp = *bl;
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len--;
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for (bp = ex; bp != vp; bp--)
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bp[len] = *bp;
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ex += len;
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vp++;
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for (bp = bl + 1; *bp; *vp++ = *bp++)
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continue;
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xfree((ptr_t)bl);
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}
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}
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if (elp != NULL)
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*elp = ex;
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*nvp = nv;
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}
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static Char **
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globexpand(Char **v)
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{
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Char **ex, **nv, *s, **vl;
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size_t size;
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size = GLOBSPACE;
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nv = vl = xmalloc(sizeof(Char *) * size);
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*vl = NULL;
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/*
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* Step 1: expand backquotes.
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*/
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while ((s = *v++) != NULL) {
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if (Strchr(s, '`')) {
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int i;
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(void) dobackp(s, 0);
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for (i = 0; i < pargc; i++) {
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*vl++ = pargv[i];
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if (vl == &nv[size]) {
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size += GLOBSPACE;
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nv = (Char **)xrealloc((ptr_t) nv,
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(size_t)size * sizeof(Char *));
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vl = &nv[size - GLOBSPACE];
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}
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}
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xfree((ptr_t)pargv);
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pargv = NULL;
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}
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else {
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*vl++ = Strsave(s);
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if (vl == &nv[size]) {
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size += GLOBSPACE;
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nv = (Char **)xrealloc((ptr_t)nv,
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size * sizeof(Char *));
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vl = &nv[size - GLOBSPACE];
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}
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}
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}
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*vl = NULL;
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if (noglob)
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return (nv);
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/*
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* Step 2: expand braces
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*/
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ex = vl;
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expbrace(&nv, &ex, size);
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/*
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* Step 3: expand ~
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*/
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vl = nv;
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for (s = *vl; s; s = *++vl)
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if (*s == '~')
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*vl = globtilde(nv, s);
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vl = nv;
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return (vl);
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}
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static Char *
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handleone(Char *str, Char **vl, int action)
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{
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Char *cp, **vlp;
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vlp = vl;
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switch (action) {
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case G_ERROR:
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setname(vis_str(str));
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blkfree(vl);
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stderror(ERR_NAME | ERR_AMBIG);
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/* NOTREACHED */
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case G_APPEND:
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trim(vlp);
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str = Strsave(*vlp++);
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do {
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cp = Strspl(str, STRspace);
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xfree((ptr_t)str);
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str = Strspl(cp, *vlp);
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xfree((ptr_t)cp);
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}
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while (*++vlp);
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blkfree(vl);
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break;
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case G_IGNORE:
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str = Strsave(strip(*vlp));
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blkfree(vl);
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break;
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default:
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break;
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}
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return (str);
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}
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static Char **
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libglob(Char **vl)
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{
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glob_t globv;
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char *ptr;
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int gflgs, magic, match, nonomatch;
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gflgs = GLOB_NOMAGIC;
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magic = 0;
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match = 0;
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nonomatch = adrof(STRnonomatch) != 0;
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if (!vl || !vl[0])
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return (vl);
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globv.gl_offs = 0;
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globv.gl_pathv = 0;
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globv.gl_pathc = 0;
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if (nonomatch)
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gflgs |= GLOB_NOCHECK;
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do {
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ptr = short2qstr(*vl);
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switch (glob(ptr, gflgs, 0, &globv)) {
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case GLOB_ABORTED:
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setname(vis_str(*vl));
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stderror(ERR_NAME | ERR_GLOB);
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/* NOTREACHED */
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case GLOB_NOSPACE:
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stderror(ERR_NOMEM);
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/* NOTREACHED */
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default:
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break;
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}
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if (globv.gl_flags & GLOB_MAGCHAR) {
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match |= (globv.gl_matchc != 0);
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magic = 1;
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}
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gflgs |= GLOB_APPEND;
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}
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while (*++vl);
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vl = (globv.gl_pathc == 0 || (magic && !match && !nonomatch)) ?
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NULL : blk2short(globv.gl_pathv);
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globfree(&globv);
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return (vl);
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}
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Char *
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globone(Char *str, int action)
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{
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Char *v[2], **vl, **vo;
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int gflg;
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noglob = adrof(STRnoglob) != 0;
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gflag = 0;
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v[0] = str;
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v[1] = 0;
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tglob(v);
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gflg = gflag;
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if (gflg == G_NONE)
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return (strip(Strsave(str)));
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if (gflg & G_CSH) {
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/*
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* Expand back-quote, tilde and brace
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*/
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vo = globexpand(v);
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if (noglob || (gflg & G_GLOB) == 0) {
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if (vo[0] == NULL) {
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xfree((ptr_t)vo);
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return (Strsave(STRNULL));
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}
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if (vo[1] != NULL)
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return (handleone(str, vo, action));
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else {
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str = strip(vo[0]);
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xfree((ptr_t) vo);
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return (str);
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}
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}
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}
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else if (noglob || (gflg & G_GLOB) == 0)
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return (strip(Strsave(str)));
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else
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vo = v;
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vl = libglob(vo);
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if ((gflg & G_CSH) && vl != vo)
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blkfree(vo);
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if (vl == NULL) {
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setname(vis_str(str));
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stderror(ERR_NAME | ERR_NOMATCH);
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}
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if (vl[0] == NULL) {
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xfree((ptr_t)vl);
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return (Strsave(STRNULL));
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}
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if (vl[1] != NULL)
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return (handleone(str, vl, action));
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else {
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str = strip(*vl);
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xfree((ptr_t)vl);
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return (str);
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}
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}
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Char **
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globall(Char **v)
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{
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Char **vl, **vo;
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int gflg;
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gflg = gflag;
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if (!v || !v[0]) {
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gargv = saveblk(v);
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gargc = blklen(gargv);
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return (gargv);
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}
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noglob = adrof(STRnoglob) != 0;
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if (gflg & G_CSH)
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/*
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* Expand back-quote, tilde and brace
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*/
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vl = vo = globexpand(v);
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else
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vl = vo = saveblk(v);
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if (!noglob && (gflg & G_GLOB)) {
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vl = libglob(vo);
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if ((gflg & G_CSH) && vl != vo)
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blkfree(vo);
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}
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else
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trim(vl);
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gargc = vl ? blklen(vl) : 0;
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return (gargv = vl);
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}
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void
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ginit(void)
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{
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gargsiz = GLOBSPACE;
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gargv = xmalloc(sizeof(Char *) * (size_t)gargsiz);
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gargv[0] = 0;
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gargc = 0;
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}
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void
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rscan(Char **t, void (*f)(int))
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{
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Char *p;
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while ((p = *t++) != NULL)
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while (*p)
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(*f) (*p++);
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}
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void
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trim(Char **t)
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{
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Char *p;
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while ((p = *t++) != NULL)
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while (*p)
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*p++ &= TRIM;
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}
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void
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tglob(Char **t)
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{
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Char *p, c;
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while ((p = *t++) != NULL) {
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if (*p == '~' || *p == '=')
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gflag |= G_CSH;
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else if (*p == '{' &&
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(p[1] == '\0' || (p[1] == '}' && p[2] == '\0')))
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continue;
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while ((c = *p++) != '\0') {
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/*
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* eat everything inside the matching backquotes
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*/
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if (c == '`') {
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gflag |= G_CSH;
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while (*p && *p != '`')
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if (*p++ == '\\') {
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if (*p) /* Quoted chars */
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p++;
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else
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break;
|
|
}
|
|
if (*p) /* The matching ` */
|
|
p++;
|
|
else
|
|
break;
|
|
}
|
|
else if (c == '{')
|
|
gflag |= G_CSH;
|
|
else if (isglob(c))
|
|
gflag |= G_GLOB;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Command substitute cp. If literal, then this is a substitution from a
|
|
* << redirection, and so we should not crunch blanks and tabs, separating
|
|
* words only at newlines.
|
|
*/
|
|
Char **
|
|
dobackp(Char *cp, int literal)
|
|
{
|
|
Char word[MAXPATHLEN], *ep, *lp, *rp;
|
|
|
|
if (pargv) {
|
|
#ifdef notdef
|
|
abort();
|
|
#endif
|
|
blkfree(pargv);
|
|
}
|
|
pargsiz = GLOBSPACE;
|
|
pargv = xmalloc(sizeof(Char *) * (size_t)pargsiz);
|
|
pargv[0] = NULL;
|
|
pargcp = pargs = word;
|
|
pargc = 0;
|
|
pnleft = MAXPATHLEN - 4;
|
|
for (;;) {
|
|
for (lp = cp; *lp != '`'; lp++) {
|
|
if (*lp == 0) {
|
|
if (pargcp != pargs)
|
|
pword();
|
|
return (pargv);
|
|
}
|
|
psave(*lp);
|
|
}
|
|
lp++;
|
|
for (rp = lp; *rp && *rp != '`'; rp++)
|
|
if (*rp == '\\') {
|
|
rp++;
|
|
if (!*rp)
|
|
goto oops;
|
|
}
|
|
if (!*rp) {
|
|
oops:
|
|
stderror(ERR_UNMATCHED, '`');
|
|
}
|
|
ep = Strsave(lp);
|
|
ep[rp - lp] = 0;
|
|
backeval(ep, literal);
|
|
cp = rp + 1;
|
|
}
|
|
}
|
|
|
|
static void
|
|
backeval(Char *cp, int literal)
|
|
{
|
|
struct command faket;
|
|
char tibuf[BUFSIZE];
|
|
Char ibuf[BUFSIZE], *fakecom[2], *ip;
|
|
int pvec[2], c, quoted;
|
|
ssize_t icnt;
|
|
int hadnl;
|
|
|
|
hadnl = 0;
|
|
icnt = 0;
|
|
quoted = (literal || (cp[0] & QUOTE)) ? QUOTE : 0;
|
|
faket.t_dtyp = NODE_COMMAND;
|
|
faket.t_dflg = 0;
|
|
faket.t_dlef = 0;
|
|
faket.t_drit = 0;
|
|
faket.t_dspr = 0;
|
|
faket.t_dcom = fakecom;
|
|
fakecom[0] = STRfakecom1;
|
|
fakecom[1] = 0;
|
|
|
|
/*
|
|
* We do the psave job to temporarily change the current job so that the
|
|
* following fork is considered a separate job. This is so that when
|
|
* backquotes are used in a builtin function that calls glob the "current
|
|
* job" is not corrupted. We only need one level of pushed jobs as long as
|
|
* we are sure to fork here.
|
|
*/
|
|
psavejob();
|
|
|
|
/*
|
|
* It would be nicer if we could integrate this redirection more with the
|
|
* routines in sh.sem.c by doing a fake execute on a builtin function that
|
|
* was piped out.
|
|
*/
|
|
mypipe(pvec);
|
|
if (pfork(&faket, -1) == 0) {
|
|
struct wordent fparaml;
|
|
struct command *t;
|
|
|
|
(void)close(pvec[0]);
|
|
(void)dmove(pvec[1], 1);
|
|
(void)dmove(SHERR, 2);
|
|
initdesc();
|
|
/*
|
|
* Bugfix for nested backquotes by Michael Greim <greim@sbsvax.UUCP>,
|
|
* posted to comp.bugs.4bsd 12 Sep. 1989.
|
|
*/
|
|
if (pargv) /* mg, 21.dec.88 */
|
|
blkfree(pargv), pargv = 0, pargsiz = 0;
|
|
/* mg, 21.dec.88 */
|
|
arginp = cp;
|
|
for (arginp = cp; *cp; cp++) {
|
|
*cp &= TRIM;
|
|
if (*cp == '\n' || *cp == '\r')
|
|
*cp = ';';
|
|
}
|
|
|
|
/*
|
|
* In the child ``forget'' everything about current aliases or
|
|
* eval vectors.
|
|
*/
|
|
alvec = NULL;
|
|
evalvec = NULL;
|
|
alvecp = NULL;
|
|
evalp = NULL;
|
|
(void) lex(&fparaml);
|
|
if (seterr)
|
|
stderror(ERR_OLD);
|
|
alias(&fparaml);
|
|
t = syntax(fparaml.next, &fparaml, 0);
|
|
if (seterr)
|
|
stderror(ERR_OLD);
|
|
if (t)
|
|
t->t_dflg |= F_NOFORK;
|
|
(void)signal(SIGTSTP, SIG_IGN);
|
|
(void)signal(SIGTTIN, SIG_IGN);
|
|
(void)signal(SIGTTOU, SIG_IGN);
|
|
execute(t, -1, NULL, NULL);
|
|
exitstat();
|
|
}
|
|
xfree((ptr_t)cp);
|
|
(void)close(pvec[1]);
|
|
c = 0;
|
|
ip = NULL;
|
|
do {
|
|
int cnt;
|
|
|
|
cnt = 0;
|
|
|
|
for (;;) {
|
|
if (icnt == 0) {
|
|
int i;
|
|
|
|
ip = ibuf;
|
|
do
|
|
icnt = read(pvec[0], tibuf, BUFSIZE);
|
|
while (icnt == -1 && errno == EINTR);
|
|
if (icnt <= 0) {
|
|
c = -1;
|
|
break;
|
|
}
|
|
for (i = 0; i < icnt; i++)
|
|
ip[i] = (unsigned char) tibuf[i];
|
|
}
|
|
if (hadnl)
|
|
break;
|
|
--icnt;
|
|
c = (*ip++ & TRIM);
|
|
if (c == 0)
|
|
break;
|
|
if (c == '\n') {
|
|
/*
|
|
* Continue around the loop one more time, so that we can eat
|
|
* the last newline without terminating this word.
|
|
*/
|
|
hadnl = 1;
|
|
continue;
|
|
}
|
|
if (!quoted && (c == ' ' || c == '\t'))
|
|
break;
|
|
cnt++;
|
|
psave(c | quoted);
|
|
}
|
|
/*
|
|
* Unless at end-of-file, we will form a new word here if there were
|
|
* characters in the word, or in any case when we take text literally.
|
|
* If we didn't make empty words here when literal was set then we
|
|
* would lose blank lines.
|
|
*/
|
|
if (c != -1 && (cnt || literal))
|
|
pword();
|
|
hadnl = 0;
|
|
} while (c >= 0);
|
|
(void)close(pvec[0]);
|
|
pwait();
|
|
prestjob();
|
|
}
|
|
|
|
static void
|
|
psave(int c)
|
|
{
|
|
if (--pnleft <= 0)
|
|
stderror(ERR_WTOOLONG);
|
|
*pargcp++ = (Char)c;
|
|
}
|
|
|
|
static void
|
|
pword(void)
|
|
{
|
|
psave(0);
|
|
if (pargc == pargsiz - 1) {
|
|
pargsiz += GLOBSPACE;
|
|
pargv = (Char **)xrealloc((ptr_t)pargv,
|
|
(size_t)pargsiz * sizeof(Char *));
|
|
}
|
|
pargv[pargc++] = Strsave(pargs);
|
|
pargv[pargc] = NULL;
|
|
pargcp = pargs;
|
|
pnleft = MAXPATHLEN - 4;
|
|
}
|
|
|
|
int
|
|
Gmatch(Char *string, Char *pattern)
|
|
{
|
|
Char **blk, **p;
|
|
int gpol, gres;
|
|
|
|
gpol = 1;
|
|
gres = 0;
|
|
|
|
if (*pattern == '^') {
|
|
gpol = 0;
|
|
pattern++;
|
|
}
|
|
|
|
blk = xmalloc(GLOBSPACE * sizeof(Char *));
|
|
blk[0] = Strsave(pattern);
|
|
blk[1] = NULL;
|
|
|
|
expbrace(&blk, NULL, GLOBSPACE);
|
|
|
|
for (p = blk; *p; p++)
|
|
gres |= pmatch(string, *p);
|
|
|
|
blkfree(blk);
|
|
return(gres == gpol);
|
|
}
|
|
|
|
static int
|
|
pmatch(Char *string, Char *pattern)
|
|
{
|
|
int match, negate_range;
|
|
Char patternc, rangec, stringc;
|
|
|
|
for (;; ++string) {
|
|
stringc = *string & TRIM;
|
|
patternc = *pattern++;
|
|
switch (patternc) {
|
|
case 0:
|
|
return (stringc == 0);
|
|
case '?':
|
|
if (stringc == 0)
|
|
return (0);
|
|
break;
|
|
case '*':
|
|
if (!*pattern)
|
|
return (1);
|
|
while (*string)
|
|
if (Gmatch(string++, pattern))
|
|
return (1);
|
|
return (0);
|
|
case '[':
|
|
match = 0;
|
|
if ((negate_range = (*pattern == '^')) != 0)
|
|
pattern++;
|
|
while ((rangec = *pattern++) != '\0') {
|
|
if (rangec == ']')
|
|
break;
|
|
if (match)
|
|
continue;
|
|
if (rangec == '-' && *(pattern-2) != '[' && *pattern != ']') {
|
|
match = (stringc <= (*pattern & TRIM) &&
|
|
(*(pattern-2) & TRIM) <= stringc);
|
|
pattern++;
|
|
}
|
|
else
|
|
match = (stringc == (rangec & TRIM));
|
|
}
|
|
if (rangec == 0)
|
|
stderror(ERR_NAME | ERR_MISSING, ']');
|
|
if (match == negate_range)
|
|
return (0);
|
|
break;
|
|
default:
|
|
if ((patternc & TRIM) != stringc)
|
|
return (0);
|
|
break;
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
Gcat(Char *s1, Char *s2)
|
|
{
|
|
Char *p, *q;
|
|
ptrdiff_t n;
|
|
|
|
for (p = s1; *p++;)
|
|
continue;
|
|
for (q = s2; *q++;)
|
|
continue;
|
|
n = (p - s1) + (q - s2) - 1;
|
|
if (++gargc >= gargsiz) {
|
|
gargsiz += GLOBSPACE;
|
|
gargv = (Char **)xrealloc((ptr_t)gargv,
|
|
(size_t)gargsiz * sizeof(Char *));
|
|
}
|
|
gargv[gargc] = 0;
|
|
p = gargv[gargc - 1] = xmalloc((size_t)n * sizeof(Char));
|
|
for (q = s1; (*p++ = *q++) != '\0';)
|
|
continue;
|
|
for (p--, q = s2; (*p++ = *q++) != '\0';)
|
|
continue;
|
|
}
|
|
|
|
#ifdef FILEC
|
|
int
|
|
sortscmp(const ptr_t a, const ptr_t b)
|
|
{
|
|
#if defined(NLS) && !defined(NOSTRCOLL)
|
|
char buf[2048];
|
|
#endif
|
|
|
|
if (!a) /* check for NULL */
|
|
return (b ? 1 : 0);
|
|
if (!b)
|
|
return (-1);
|
|
|
|
if (!*(Char **)a) /* check for NULL */
|
|
return (*(Char **)b ? 1 : 0);
|
|
if (!*(Char **)b)
|
|
return (-1);
|
|
|
|
#if defined(NLS) && !defined(NOSTRCOLL)
|
|
(void)strcpy(buf, short2str(*(Char **)a));
|
|
return ((int)strcoll(buf, short2str(*(Char **)b)));
|
|
#else
|
|
return ((int)Strcmp(*(Char **)a, *(Char **)b));
|
|
#endif
|
|
}
|
|
#endif /* FILEC */
|