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- /* $Header: /home/hyperion/mu/christos/src/sys/tcsh-6.00/RCS/sh.glob.c,v 3.9 1991/08/06 01:00:15 christos Exp $ */
- /*
- * sh.glob.c: Regular expression expansion
- */
- /*-
- * 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 "config.h"
- RCSID("$Id: sh.glob.c,v 3.9 1991/08/06 01:00:15 christos Exp $")
-
- #include "sh.h"
- #include "tc.h"
-
- #include <glob.h>
-
- static int noglob;
- static int pargsiz, gargsiz;
-
- /*
- * Values for gflag
- */
- #define G_NONE 0 /* No globbing needed */
- #define G_GLOB 1 /* string contains *?[] characters */
- #define G_CSH 2 /* string contains ~`{ characters */
-
- #define GLOBSPACE 100 /* Alloc increment */
-
- #define LBRC '{'
- #define RBRC '}'
- #define LBRK '['
- #define RBRK ']'
- #define EOS '\0'
-
- Char **gargv = NULL;
- long gargc = 0;
- Char **pargv = NULL;
- long pargc = 0;
-
- /*
- * globbing is now done in two stages. In the first pass we expand
- * csh globbing idioms ~`{ and then we proceed doing the normal
- * globbing if needed ?*[
- *
- * Csh type globbing is handled in globexpand() and the rest is
- * handled in glob() which is part of the 4.4BSD libc.
- *
- */
- static Char *globtilde __P((Char **, Char *));
- static Char *globequal __P((Char **, Char *));
- static Char **libglob __P((Char **));
- static Char **globexpand __P((Char **));
- static int globbrace __P((Char *, Char *, Char ***));
- static void pword __P((void));
- static void psave __P((int));
- static void backeval __P((Char *, bool));
-
- static Char *
- globtilde(nv, s)
- Char **nv, *s;
- {
- Char gbuf[MAXPATHLEN], *gstart, *b, *u, *e;
- #ifdef apollo
- int slash;
- #endif
-
- gstart = gbuf;
- *gstart++ = *s++;
- u = s;
- #ifdef __MINT__
- for (b = gstart, e = &gbuf[MAXPATHLEN-1]; *s && *s != '/' && *s != '\\' &&
- b < e;
- #else
- for (b = gstart, e = &gbuf[MAXPATHLEN - 1]; *s && *s != '/' && b < e;
- #endif
- *b++ = *s++);
- *b = EOS;
- if (gethdir(gstart)) {
- blkfree(nv);
- if (*gstart)
- stderror(ERR_UNKUSER, short2str(gstart));
- else
- stderror(ERR_NOHOME);
- }
- b = &gstart[Strlen(gstart)];
- #ifdef apollo
- slash = gstart[0] == '/' && gstart[1] == '\0';
- #endif
- while (*s)
- *b++ = *s++;
- *b = EOS;
- --u;
- xfree((ptr_t) u);
- #ifdef apollo
- if (slash && gstart[1] == '/')
- gstart++;
- #endif
- return (Strsave(gstart));
- }
-
- static Char *
- globequal(nv, s)
- Char **nv, *s;
- {
- int dig;
- Char gp[MAXPATHLEN], *b, *d;
-
- /*
- * kfk - 17 Jan 1984 - stack hack allows user to get at arbitrary dir names
- * in stack. PWP: let =foobar pass through (for X windows)
- */
- #ifdef __MINT__
- if ((Isdigit(s[1]) || s[1] == '-') && (s[2] == '\0' || s[2] == '/' ||
- s[2] == '\\')) {
- #else
- if ((Isdigit(s[1]) || s[1] == '-') && (s[2] == '\0' || s[2] == '/')) {
- #endif
- dig = (s[1] == '-') ? -1 : s[1] - '0';
- if (!getstakd(gp, dig)) {
- blkfree(nv);
- stderror(ERR_DEEP);
- }
- for (b = &s[2], d = &gp[Strlen(gp)]; *d++ = *b++;);
- xfree((ptr_t) s);
- return (Strsave(gp));
- }
- else
- return (s);
- }
-
- static int
- globbrace(s, p, bl)
- Char *s, *p, ***bl;
- {
- int i, len;
- Char *pm, *pe, *lm, *pl;
- Char **nv, **vl;
- Char gbuf[MAXPATHLEN];
- int size = GLOBSPACE;
-
- nv = vl = (Char **) xmalloc((size_t) sizeof(Char *) * size);
- *vl = NULL;
-
- len = 0;
- /* copy part up to the brace */
- for (lm = gbuf, p = s; *p != LBRC; *lm++ = *p++)
- continue;
-
- /* check for balanced braces */
- for (i = 0, pe = ++p; *pe; pe++)
- if (*pe == LBRK) {
- /* Ignore everything between [] */
- for (++pe; *pe != RBRK && *pe != EOS; pe++)
- continue;
- if (*pe == EOS) {
- blkfree(nv);
- return (-RBRK);
- }
- }
- else if (*pe == LBRC)
- i++;
- else if (*pe == RBRC) {
- if (i == 0)
- break;
- i--;
- }
-
- if (i != 0 || *pe == '\0') {
- blkfree(nv);
- return (-RBRC);
- }
-
- for (i = 0, pl = pm = p; pm <= pe; pm++)
- switch (*pm) {
- case LBRK:
- for (++pm; *pm != RBRK && *pm != EOS; pm++)
- continue;
- if (*pm == EOS) {
- *vl = NULL;
- blkfree(nv);
- return (-RBRK);
- }
- break;
- case LBRC:
- i++;
- break;
- case RBRC:
- if (i) {
- i--;
- break;
- }
- /* FALLTHROUGH */
- case ',':
- if (i && *pm == ',')
- break;
- else {
- Char savec = *pm;
-
- *pm = EOS;
- (void) Strcpy(lm, pl);
- (void) Strcat(gbuf, pe + 1);
- *pm = savec;
- *vl++ = Strsave(gbuf);
- len++;
- pl = pm + 1;
- if (vl == &nv[size]) {
- size += GLOBSPACE;
- nv = (Char **) xrealloc((ptr_t) nv, (size_t)
- size * sizeof(Char *));
- vl = &nv[size - GLOBSPACE];
- }
- }
- break;
- }
- *vl = NULL;
- *bl = nv;
- return (len);
- }
-
- static Char **
- globexpand(v)
- Char **v;
- {
- Char *s;
- Char **nv, **vl, **el;
- int size = GLOBSPACE;
-
-
- nv = vl = (Char **) xmalloc((size_t) sizeof(Char *) * size);
- *vl = NULL;
-
- /*
- * Step 1: expand backquotes.
- */
- while (s = *v++) {
- if (Strchr(s, '`')) {
- int i;
-
- (void) dobackp(s, 0);
- for (i = 0; i < pargc; i++) {
- *vl++ = pargv[i];
- if (vl == &nv[size]) {
- size += GLOBSPACE;
- nv = (Char **) xrealloc((ptr_t) nv,
- (size_t) size * sizeof(Char *));
- vl = &nv[size - GLOBSPACE];
- }
- }
- xfree((ptr_t) pargv);
- pargv = NULL;
- }
- else {
- *vl++ = Strsave(s);
- if (vl == &nv[size]) {
- size += GLOBSPACE;
- nv = (Char **) xrealloc((ptr_t) nv, (size_t)
- size * sizeof(Char *));
- vl = &nv[size - GLOBSPACE];
- }
- }
- }
- *vl = NULL;
-
- if (noglob)
- return (nv);
-
- /*
- * Step 2: expand braces
- */
- el = vl;
- vl = nv;
- for (s = *vl; s; s = *++vl) {
- Char *b;
- Char **vp, **bp;
-
- if ((b = Strchr(s, LBRC)) && b[1] != '\0' && b[1] != RBRC) {
- Char **bl;
- int len;
-
- if ((len = globbrace(s, b, &bl)) < 0) {
- blkfree(nv);
- stderror(ERR_MISSING, -len);
- }
- xfree((ptr_t) s);
- if (len == 1) {
- *vl-- = *bl;
- xfree((ptr_t) bl);
- continue;
- }
- len = blklen(bl);
- if (&el[len] >= &nv[size]) {
- int l, e;
-
- l = &el[len] - &nv[size];
- size += GLOBSPACE > l ? GLOBSPACE : l;
- l = vl - nv;
- e = el - nv;
- nv = (Char **) xrealloc((ptr_t) nv, (size_t)
- size * sizeof(Char *));
- vl = nv + l;
- el = nv + e;
- }
- vp = vl--;
- *vp = *bl;
- len--;
- for (bp = el; bp != vp; bp--)
- bp[len] = *bp;
- el += len;
- vp++;
- for (bp = bl + 1; *bp; *vp++ = *bp++)
- continue;
- xfree((ptr_t) bl);
- }
-
- }
-
- /*
- * Step 3: expand ~ =
- */
- vl = nv;
- for (s = *vl; s; s = *++vl)
- switch (*s) {
- case '~':
- *vl = globtilde(nv, s);
- break;
- case '=':
- *vl = globequal(nv, s);
- break;
- default:
- break;
- }
- vl = nv;
- return (vl);
- }
-
- static Char *
- handleone(str, vl, action)
- Char *str, **vl;
- int action;
- {
-
- Char *cp, **vlp = vl;
-
- switch (action) {
- case G_ERROR:
- setname(short2str(str));
- blkfree(vl);
- stderror(ERR_NAME | ERR_AMBIG);
- break;
- case G_APPEND:
- trim(vlp);
- str = Strsave(*vlp++);
- do {
- cp = Strspl(str, STRspace);
- xfree((ptr_t) str);
- str = Strspl(cp, *vlp);
- xfree((ptr_t) cp);
- }
- while (*++vlp);
- blkfree(vl);
- break;
- case G_IGNORE:
- str = Strsave(strip(*vlp));
- blkfree(vl);
- break;
- }
- return (str);
- }
-
- static Char **
- libglob(vl)
- Char **vl;
- {
- int gflgs = GLOB_QUOTE | GLOB_NOMAGIC | GLOB_ALTNOT;
- glob_t globv;
- char *ptr;
- int nonomatch = adrof(STRnonomatch) != 0, magic = 0, match = 0;
-
- if (!vl || !vl[0])
- return(vl);
-
- globv.gl_offs = 0;
- globv.gl_pathv = 0;
- globv.gl_pathc = 0;
-
- if (nonomatch)
- gflgs |= GLOB_NOCHECK;
-
- do {
- ptr = short2qstr(*vl);
- switch (glob(ptr, gflgs, 0, &globv)) {
- case GLOB_ABEND:
- setname(ptr);
- stderror(ERR_NAME | ERR_GLOB);
- /* NOTREACHED */
- case GLOB_NOSPACE:
- stderror(ERR_NOMEM);
- /* NOTREACHED */
- default:
- break;
- }
- if (globv.gl_flags & GLOB_MAGCHAR) {
- match |= (globv.gl_matchc != 0);
- magic = 1;
- }
- gflgs |= GLOB_APPEND;
- }
- while (*++vl);
- vl = (globv.gl_pathc == 0 || (magic && !match && !nonomatch)) ?
- NULL : blk2short(globv.gl_pathv);
- globfree(&globv);
- return (vl);
- }
-
- Char *
- globone(str, action)
- Char *str;
- int action;
- {
-
- Char *v[2], **vl, **vo;
- int gflg;
-
- noglob = adrof(STRnoglob) != 0;
- gflag = 0;
- v[0] = str;
- v[1] = 0;
- tglob(v);
- gflg = gflag;
- if (gflg == G_NONE)
- return (strip(Strsave(str)));
-
- if (gflg & G_CSH) {
- /*
- * Expand back-quote, tilde and brace
- */
- vo = globexpand(v);
- if (noglob || (gflg & G_GLOB) == 0) {
- if (vo[0] == NULL) {
- xfree((ptr_t) vo);
- return (Strsave(STRNULL));
- }
- if (vo[1] != NULL)
- return (handleone(str, vo, action));
- else {
- str = strip(vo[0]);
- xfree((ptr_t) vo);
- return (str);
- }
- }
- }
- else if (noglob || (gflg & G_GLOB) == 0)
- return (strip(Strsave(str)));
- else
- vo = v;
-
- vl = libglob(vo);
- if ((gflg & G_CSH) && vl != vo)
- blkfree(vo);
- if (vl == NULL) {
- setname(short2str(str));
- stderror(ERR_NAME | ERR_NOMATCH);
- }
- if (vl[0] == NULL) {
- xfree((ptr_t) vl);
- return (Strsave(STRNULL));
- }
- if (vl[1])
- return (handleone(str, vl, action));
- else {
- str = strip(*vl);
- xfree((ptr_t) vl);
- return (str);
- }
- }
-
- Char **
- globall(v)
- Char **v;
- {
- Char **vl, **vo;
- int gflg = gflag;
-
- if (!v || !v[0]) {
- gargv = saveblk(v);
- gargc = blklen(gargv);
- return (gargv);
- }
-
- noglob = adrof(STRnoglob) != 0;
-
- if (gflg & G_CSH)
- /*
- * Expand back-quote, tilde and brace
- */
- vl = vo = globexpand(v);
- else
- vl = vo = saveblk(v);
-
- if (!noglob && (gflg & G_GLOB)) {
- vl = libglob(vo);
- if ((gflg & G_CSH) && vl != vo)
- blkfree(vo);
- }
- else
- trim(vl);
-
- gargc = vl ? blklen(vl) : 0;
- return (gargv = vl);
- }
-
- void
- ginit()
- {
- gargsiz = GLOBSPACE;
- gargv = (Char **) xmalloc((size_t) sizeof(Char *) * gargsiz);
- gargv[0] = 0;
- gargc = 0;
- }
-
- void
- rscan(t, f)
- register Char **t;
- void (*f) ();
- {
- register Char *p;
-
- while (p = *t++)
- while (*p)
- (*f) (*p++);
- }
-
- void
- trim(t)
- register Char **t;
- {
- register Char *p;
-
- while (p = *t++)
- while (*p)
- *p++ &= TRIM;
- }
-
- void
- tglob(t)
- register Char **t;
- {
- register Char *p, c;
-
- while (p = *t++) {
- if (*p == '~' || *p == '=')
- gflag |= G_CSH;
- else if (*p == '{' &&
- (p[1] == '\0' || p[1] == '}' && p[2] == '\0'))
- continue;
- while (c = *p++)
- if (isglob(c))
- gflag |= (c == '{' || c == '`') ? G_CSH : 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(cp, literal)
- Char *cp;
- bool literal;
- {
- register Char *lp, *rp;
- Char *ep, word[MAXPATHLEN];
-
- if (pargv) {
- #ifdef notdef
- abort();
- #endif
- blkfree(pargv);
- }
- pargsiz = GLOBSPACE;
- pargv = (Char **) xmalloc((size_t) sizeof(Char *) * pargsiz);
- pargv[0] = NOSTR;
- 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++)
- #ifdef ALTESC
- if (*rp == escchar) {
- #else
- if (*rp == '\\') {
- #endif
- 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(cp, literal)
- Char *cp;
- bool literal;
- {
- register int icnt, c;
- register Char *ip;
- struct command faket;
- bool hadnl;
- int pvec[2], quoted;
- Char *fakecom[2], ibuf[BUFSIZ];
- char tibuf[BUFSIZ];
-
- 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 paraml;
- struct command *t;
-
- (void) close(pvec[0]);
- (void) dmove(pvec[1], 1);
- (void) dmove(SHDIAG, 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;
- while (*cp)
- *cp++ &= TRIM;
- (void) lex(¶ml);
- if (seterr)
- stderror(ERR_OLD);
- alias(¶ml);
- t = syntax(paraml.next, ¶ml, 0);
- if (seterr)
- stderror(ERR_OLD);
- if (t)
- t->t_dflg |= F_NOFORK;
- #ifdef SIGTSTP
- (void) sigignore(SIGTSTP);
- #endif
- #ifdef SIGTTIN
- (void) sigignore(SIGTTIN);
- #endif
- #ifdef SIGTTOU
- (void) sigignore(SIGTTOU);
- #endif
- execute(t, -1, NULL, NULL);
- exitstat();
- }
- xfree((ptr_t) cp);
- (void) close(pvec[1]);
- c = 0;
- ip = NULL;
- do {
- int cnt = 0;
-
- for (;;) {
- if (icnt == 0) {
- int i;
-
- ip = ibuf;
- do
- icnt = read(pvec[0], tibuf, BUFSIZ);
- while (icnt == -1 && errno == EINTR);
- #ifdef __MINT__
- /* strip out carriage returns */
- {
- char *src, *dst;
- int i;
- src = dst = tibuf;
-
- for (i = icnt; i > 0; --i) {
- if (*src == '\r')
- --icnt;
- else
- *dst++ = *src;
- src++;
- }
- }
- #endif
- 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(c)
- int c;
- {
- if (--pnleft <= 0)
- stderror(ERR_WTOOLONG);
- *pargcp++ = c;
- }
-
- static void
- pword()
- {
- 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] = NOSTR;
- pargcp = pargs;
- pnleft = MAXPATHLEN - 4;
- }
-
- int
- Gmatch(string, pattern)
- register Char *string, *pattern;
- {
- register Char stringc, patternc;
- int match;
- Char rangec;
-
- for (;; ++string) {
- stringc = *string & TRIM;
- /*
- * apollo compiler bug: switch (patternc = *pattern++) { dies
- */
- 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;
- while (rangec = *pattern++) {
- if (rangec == ']')
- if (match)
- break;
- else
- return (0);
- 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, ']');
- break;
- default:
- if ((patternc & TRIM) != stringc)
- return (0);
- break;
-
- }
- }
- }
-
- void
- Gcat(s1, s2)
- Char *s1, *s2;
- {
- register Char *p, *q;
- int n;
-
- for (p = s1; *p++;);
- for (q = s2; *q++;);
- 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] = (Char *) xmalloc((size_t) n * sizeof(Char));
- for (q = s1; *p++ = *q++;);
- for (p--, q = s2; *p++ = *q++;);
- }
-
- #ifdef FILEC
- int
- sortscmp(a, b)
- register Char **a, **b;
- {
- #if defined(NLS) && !defined(NOSTRCOLL)
- char buf[2048];
-
- #endif
-
- if (!a) /* check for NULL */
- return (b ? 1 : 0);
- if (!b)
- return (-1);
-
- if (!*a) /* check for NULL */
- return (*b ? 1 : 0);
- if (!*b)
- return (-1);
-
- #if defined(NLS) && !defined(NOSTRCOLL)
- (void) strcpy(buf, short2str(*a));
- return ((int) strcoll(buf, short2str(*b)));
- #else
- return ((int) Strcmp(*a, *b));
- #endif
- }
-
- #endif
-