+++ /dev/null
-/*
- * Copyright (c) 2008-2010 Todd C. Miller <Todd.Miller@courtesan.com>
- * Copyright (c) 1989, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Guido van Rossum.
- *
- * 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. 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.
- *
- * @(#)glob.c 8.3 (Berkeley) 10/13/93
- */
-
-/*
- * glob(3) -- a superset of the one defined in POSIX 1003.2.
- *
- * The [!...] convention to negate a range is supported (SysV, Posix, ksh).
- *
- * Optional extra services, controlled by flags not defined by POSIX:
- *
- * GLOB_MAGCHAR:
- * Set in gl_flags if pattern contained a globbing character.
- * GLOB_TILDE:
- * expand ~user/foo to the /home/dir/of/user/foo
- * GLOB_BRACE:
- * expand {1,2}{a,b} to 1a 1b 2a 2b
- * gl_matchc:
- * Number of matches in the current invocation of glob.
- */
-
-#include <config.h>
-
-#include <sys/param.h>
-#include <sys/stat.h>
-
-#include <stdio.h>
-#ifdef STDC_HEADERS
-# include <stdlib.h>
-# include <stddef.h>
-#else
-# ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-# endif
-#endif /* STDC_HEADERS */
-#if defined(HAVE_MALLOC_H) && !defined(STDC_HEADERS)
-# include <malloc.h>
-#endif /* HAVE_MALLOC_H && !STDC_HEADERS */
-#ifdef HAVE_STRING_H
-# include <string.h>
-#endif /* HAVE_STRING_H */
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#endif /* HAVE_STRINGS_H */
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif /* HAVE_UNISTD_H */
-#include <ctype.h>
-#ifdef HAVE_DIRENT_H
-# include <dirent.h>
-#else
-# define dirent direct
-# ifdef HAVE_SYS_NDIR_H
-# include <sys/ndir.h>
-# endif
-# ifdef HAVE_SYS_DIR_H
-# include <sys/dir.h>
-# endif
-# ifdef HAVE_NDIR_H
-# include <ndir.h>
-# endif
-#endif
-#include <errno.h>
-#include <limits.h>
-#include <pwd.h>
-
-#include <compat.h>
-#include "emul/glob.h"
-#include "emul/charclass.h"
-
-#define DOLLAR '$'
-#define DOT '.'
-#define EOS '\0'
-#define LBRACKET '['
-#define NOT '!'
-#define QUESTION '?'
-#define QUOTE '\\'
-#define RANGE '-'
-#define RBRACKET ']'
-#define SEP '/'
-#define STAR '*'
-#define TILDE '~'
-#define UNDERSCORE '_'
-#define LBRACE '{'
-#define RBRACE '}'
-#define SLASH '/'
-#define COMMA ','
-
-#ifndef DEBUG
-
-#define M_QUOTE 0x8000
-#define M_PROTECT 0x4000
-#define M_MASK 0xffff
-#define M_ASCII 0x00ff
-
-typedef unsigned short Char;
-
-#else
-
-#define M_QUOTE 0x80
-#define M_PROTECT 0x40
-#define M_MASK 0xff
-#define M_ASCII 0x7f
-
-typedef char Char;
-
-#endif
-
-
-#define CHAR(c) ((Char)((c)&M_ASCII))
-#define META(c) ((Char)((c)|M_QUOTE))
-#define M_ALL META('*')
-#define M_END META(']')
-#define M_NOT META('!')
-#define M_ONE META('?')
-#define M_RNG META('-')
-#define M_SET META('[')
-#define M_CLASS META(':')
-#define ismeta(c) (((c)&M_QUOTE) != 0)
-
-
-static int compare __P((const void *, const void *));
-static int g_Ctoc __P((const Char *, char *, unsigned int));
-static int g_lstat __P((Char *, struct stat *, glob_t *));
-static DIR *g_opendir __P((Char *, glob_t *));
-static Char *g_strchr __P((const Char *, int));
-static int g_strncmp __P((const Char *, const char *, size_t));
-static int g_stat __P((Char *, struct stat *, glob_t *));
-static int glob0 __P((const Char *, glob_t *));
-static int glob1 __P((Char *, Char *, glob_t *));
-static int glob2 __P((Char *, Char *, Char *, Char *, Char *, Char *,
- glob_t *));
-static int glob3 __P((Char *, Char *, Char *, Char *, Char *, Char *,
- Char *, Char *, glob_t *));
-static int globextend __P((const Char *, glob_t *));
-static const Char *
- globtilde __P((const Char *, Char *, size_t, glob_t *));
-static int globexp1 __P((const Char *, glob_t *));
-static int globexp2 __P((const Char *, const Char *, glob_t *, int *));
-static int match __P((Char *, Char *, Char *));
-#ifdef DEBUG
-static void qprintf __P((const char *, Char *));
-#endif
-
-extern struct passwd *sudo_getpwnam __P((const char *));
-extern struct passwd *sudo_getpwuid __P((uid_t));
-
-int
-glob(pattern, flags, errfunc, pglob)
- const char *pattern;
- int flags, (*errfunc) __P((const char *, int));
- glob_t *pglob;
-{
- const unsigned char *patnext;
- int c;
- Char *bufnext, *bufend, patbuf[PATH_MAX];
-
- patnext = (unsigned char *) pattern;
- if (!(flags & GLOB_APPEND)) {
- pglob->gl_pathc = 0;
- pglob->gl_pathv = NULL;
- if (!(flags & GLOB_DOOFFS))
- pglob->gl_offs = 0;
- }
- pglob->gl_flags = flags & ~GLOB_MAGCHAR;
- pglob->gl_errfunc = errfunc;
- pglob->gl_matchc = 0;
-
- bufnext = patbuf;
- bufend = bufnext + PATH_MAX - 1;
- if (flags & GLOB_NOESCAPE)
- while (bufnext < bufend && (c = *patnext++) != EOS)
- *bufnext++ = c;
- else {
- /* Protect the quoted characters. */
- while (bufnext < bufend && (c = *patnext++) != EOS)
- if (c == QUOTE) {
- if ((c = *patnext++) == EOS) {
- c = QUOTE;
- --patnext;
- }
- *bufnext++ = c | M_PROTECT;
- } else
- *bufnext++ = c;
- }
- *bufnext = EOS;
-
- if (flags & GLOB_BRACE)
- return globexp1(patbuf, pglob);
- else
- return glob0(patbuf, pglob);
-}
-
-/*
- * Expand recursively a glob {} pattern. When there is no more expansion
- * invoke the standard globbing routine to glob the rest of the magic
- * characters
- */
-static int
-globexp1(pattern, pglob)
- const Char *pattern;
- glob_t *pglob;
-{
- const Char* ptr = pattern;
- int rv;
-
- /* Protect a single {}, for find(1), like csh */
- if (pattern[0] == LBRACE && pattern[1] == RBRACE && pattern[2] == EOS)
- return glob0(pattern, pglob);
-
- while ((ptr = (const Char *) g_strchr(ptr, LBRACE)) != NULL)
- if (!globexp2(ptr, pattern, pglob, &rv))
- return rv;
-
- return glob0(pattern, pglob);
-}
-
-
-/*
- * Recursive brace globbing helper. Tries to expand a single brace.
- * If it succeeds then it invokes globexp1 with the new pattern.
- * If it fails then it tries to glob the rest of the pattern and returns.
- */
-static int
-globexp2(ptr, pattern, pglob, rv)
- const Char *ptr, *pattern;
- glob_t *pglob;
- int *rv;
-{
- int i;
- Char *lm, *ls;
- const Char *pe, *pm, *pl;
- Char patbuf[PATH_MAX];
-
- /* copy part up to the brace */
- for (lm = patbuf, pm = pattern; pm != ptr; *lm++ = *pm++)
- continue;
- *lm = EOS;
- ls = lm;
-
- /* Find the balanced brace */
- for (i = 0, pe = ++ptr; *pe; pe++)
- if (*pe == LBRACKET) {
- /* Ignore everything between [] */
- for (pm = pe++; *pe != RBRACKET && *pe != EOS; pe++)
- continue;
- if (*pe == EOS) {
- /*
- * We could not find a matching RBRACKET.
- * Ignore and just look for RBRACE
- */
- pe = pm;
- }
- } else if (*pe == LBRACE)
- i++;
- else if (*pe == RBRACE) {
- if (i == 0)
- break;
- i--;
- }
-
- /* Non matching braces; just glob the pattern */
- if (i != 0 || *pe == EOS) {
- *rv = glob0(patbuf, pglob);
- return 0;
- }
-
- for (i = 0, pl = pm = ptr; pm <= pe; pm++) {
- switch (*pm) {
- case LBRACKET:
- /* Ignore everything between [] */
- for (pl = pm++; *pm != RBRACKET && *pm != EOS; pm++)
- continue;
- if (*pm == EOS) {
- /*
- * We could not find a matching RBRACKET.
- * Ignore and just look for RBRACE
- */
- pm = pl;
- }
- break;
-
- case LBRACE:
- i++;
- break;
-
- case RBRACE:
- if (i) {
- i--;
- break;
- }
- /* FALLTHROUGH */
- case COMMA:
- if (i && *pm == COMMA)
- break;
- else {
- /* Append the current string */
- for (lm = ls; (pl < pm); *lm++ = *pl++)
- continue;
-
- /*
- * Append the rest of the pattern after the
- * closing brace
- */
- for (pl = pe + 1; (*lm++ = *pl++) != EOS; )
- continue;
-
- /* Expand the current pattern */
-#ifdef DEBUG
- qprintf("globexp2:", patbuf);
-#endif
- *rv = globexp1(patbuf, pglob);
-
- /* move after the comma, to the next string */
- pl = pm + 1;
- }
- break;
-
- default:
- break;
- }
- }
- *rv = 0;
- return 0;
-}
-
-
-
-/*
- * expand tilde from the passwd file.
- */
-static const Char *
-globtilde(pattern, patbuf, patbuf_len, pglob)
- const Char *pattern;
- Char *patbuf;
- size_t patbuf_len;
- glob_t *pglob;
-{
- struct passwd *pwd;
- char *h;
- const Char *p;
- Char *b, *eb;
-
- if (*pattern != TILDE || !(pglob->gl_flags & GLOB_TILDE))
- return pattern;
-
- /* Copy up to the end of the string or / */
- eb = &patbuf[patbuf_len - 1];
- for (p = pattern + 1, h = (char *) patbuf;
- h < (char *)eb && *p && *p != SLASH; *h++ = *p++)
- continue;
-
- *h = EOS;
-
- if (((char *) patbuf)[0] == EOS) {
- /*
- * handle a plain ~ or ~/ by expanding $HOME
- * first and then trying the password file
- */
- if ((h = getenv("HOME")) == NULL) {
- if ((pwd = sudo_getpwuid(getuid())) == NULL)
- return pattern;
- else
- h = pwd->pw_dir;
- }
- } else {
- /*
- * Expand a ~user
- */
- if ((pwd = sudo_getpwnam((char*) patbuf)) == NULL)
- return pattern;
- else
- h = pwd->pw_dir;
- }
-
- /* Copy the home directory */
- for (b = patbuf; b < eb && *h; *b++ = *h++)
- continue;
-
- /* Append the rest of the pattern */
- while (b < eb && (*b++ = *p++) != EOS)
- continue;
- *b = EOS;
-
- return patbuf;
-}
-
-static int
-g_strncmp(s1, s2, n)
- const Char *s1;
- const char *s2;
- size_t n;
-{
- int rv = 0;
-
- while (n--) {
- rv = *(Char *)s1 - *(const unsigned char *)s2++;
- if (rv)
- break;
- if (*s1++ == '\0')
- break;
- }
- return rv;
-}
-
-static int
-g_charclass(patternp, bufnextp)
- const Char **patternp;
- Char **bufnextp;
-{
- const Char *pattern = *patternp + 1;
- Char *bufnext = *bufnextp;
- const Char *colon;
- struct cclass *cc;
- size_t len;
-
- if ((colon = g_strchr(pattern, ':')) == NULL || colon[1] != ']')
- return 1; /* not a character class */
-
- len = (size_t)(colon - pattern);
- for (cc = cclasses; cc->name != NULL; cc++) {
- if (!g_strncmp(pattern, cc->name, len) && cc->name[len] == '\0')
- break;
- }
- if (cc->name == NULL)
- return -1; /* invalid character class */
- *bufnext++ = M_CLASS;
- *bufnext++ = (Char)(cc - &cclasses[0]);
- *bufnextp = bufnext;
- *patternp += len + 3;
-
- return 0;
-}
-
-/*
- * The main glob() routine: compiles the pattern (optionally processing
- * quotes), calls glob1() to do the real pattern matching, and finally
- * sorts the list (unless unsorted operation is requested). Returns 0
- * if things went well, nonzero if errors occurred. It is not an error
- * to find no matches.
- */
-static int
-glob0(pattern, pglob)
- const Char *pattern;
- glob_t *pglob;
-{
- const Char *qpatnext;
- int c, err, oldpathc;
- Char *bufnext, patbuf[PATH_MAX];
-
- qpatnext = globtilde(pattern, patbuf, PATH_MAX, pglob);
- oldpathc = pglob->gl_pathc;
- bufnext = patbuf;
-
- /* We don't need to check for buffer overflow any more. */
- while ((c = *qpatnext++) != EOS) {
- switch (c) {
- case LBRACKET:
- c = *qpatnext;
- if (c == NOT)
- ++qpatnext;
- if (*qpatnext == EOS ||
- g_strchr(qpatnext+1, RBRACKET) == NULL) {
- *bufnext++ = LBRACKET;
- if (c == NOT)
- --qpatnext;
- break;
- }
- *bufnext++ = M_SET;
- if (c == NOT)
- *bufnext++ = M_NOT;
- c = *qpatnext++;
- do {
- if (c == LBRACKET && *qpatnext == ':') {
- do {
- err = g_charclass(&qpatnext,
- &bufnext);
- if (err)
- break;
- c = *qpatnext++;
- } while (c == LBRACKET && *qpatnext == ':');
- if (err == -1 &&
- !(pglob->gl_flags & GLOB_NOCHECK))
- return GLOB_NOMATCH;
- if (c == RBRACKET)
- break;
- }
- *bufnext++ = CHAR(c);
- if (*qpatnext == RANGE &&
- (c = qpatnext[1]) != RBRACKET) {
- *bufnext++ = M_RNG;
- *bufnext++ = CHAR(c);
- qpatnext += 2;
- }
- } while ((c = *qpatnext++) != RBRACKET);
- pglob->gl_flags |= GLOB_MAGCHAR;
- *bufnext++ = M_END;
- break;
- case QUESTION:
- pglob->gl_flags |= GLOB_MAGCHAR;
- *bufnext++ = M_ONE;
- break;
- case STAR:
- pglob->gl_flags |= GLOB_MAGCHAR;
- /* collapse adjacent stars to one,
- * to avoid exponential behavior
- */
- if (bufnext == patbuf || bufnext[-1] != M_ALL)
- *bufnext++ = M_ALL;
- break;
- default:
- *bufnext++ = CHAR(c);
- break;
- }
- }
- *bufnext = EOS;
-#ifdef DEBUG
- qprintf("glob0:", patbuf);
-#endif
-
- if ((err = glob1(patbuf, patbuf + PATH_MAX - 1, pglob)) != 0)
- return(err);
-
- /*
- * If there was no match we are going to append the pattern
- * if GLOB_NOCHECK was specified.
- */
- if (pglob->gl_pathc == oldpathc) {
- if (pglob->gl_flags & GLOB_NOCHECK)
- return(globextend(pattern, pglob));
- else
- return(GLOB_NOMATCH);
- }
- if (!(pglob->gl_flags & GLOB_NOSORT))
- qsort(pglob->gl_pathv + pglob->gl_offs + oldpathc,
- pglob->gl_pathc - oldpathc, sizeof(char *), compare);
- return(0);
-}
-
-static int
-compare(p, q)
- const void *p, *q;
-{
- return(strcmp(*(char **)p, *(char **)q));
-}
-
-static int
-glob1(pattern, pattern_last, pglob)
- Char *pattern, *pattern_last;
- glob_t *pglob;
-{
- Char pathbuf[PATH_MAX];
-
- /* A null pathname is invalid -- POSIX 1003.1 sect. 2.4. */
- if (*pattern == EOS)
- return(0);
- return(glob2(pathbuf, pathbuf + PATH_MAX - 1,
- pathbuf, pathbuf + PATH_MAX - 1,
- pattern, pattern_last, pglob));
-}
-
-/*
- * The functions glob2 and glob3 are mutually recursive; there is one level
- * of recursion for each segment in the pattern that contains one or more
- * meta characters.
- */
-static int
-glob2(pathbuf, pathbuf_last, pathend, pathend_last, pattern, pattern_last, pglob)
- Char *pathbuf, *pathbuf_last;
- Char *pathend, *pathend_last;
- Char *pattern, *pattern_last;
- glob_t *pglob;
-{
- struct stat sb;
- Char *p, *q;
- int anymeta;
-
- /*
- * Loop over pattern segments until end of pattern or until
- * segment with meta character found.
- */
- for (anymeta = 0;;) {
- if (*pattern == EOS) { /* End of pattern? */
- *pathend = EOS;
- if (g_lstat(pathbuf, &sb, pglob))
- return(0);
-
- if (((pglob->gl_flags & GLOB_MARK) &&
- pathend[-1] != SEP) && (S_ISDIR(sb.st_mode) ||
- (S_ISLNK(sb.st_mode) &&
- (g_stat(pathbuf, &sb, pglob) == 0) &&
- S_ISDIR(sb.st_mode)))) {
- if (pathend+1 > pathend_last)
- return (1);
- *pathend++ = SEP;
- *pathend = EOS;
- }
- ++pglob->gl_matchc;
- return(globextend(pathbuf, pglob));
- }
-
- /* Find end of next segment, copy tentatively to pathend. */
- q = pathend;
- p = pattern;
- while (*p != EOS && *p != SEP) {
- if (ismeta(*p))
- anymeta = 1;
- if (q+1 > pathend_last)
- return (1);
- *q++ = *p++;
- }
-
- if (!anymeta) { /* No expansion, do next segment. */
- pathend = q;
- pattern = p;
- while (*pattern == SEP) {
- if (pathend+1 > pathend_last)
- return (1);
- *pathend++ = *pattern++;
- }
- } else
- /* Need expansion, recurse. */
- return(glob3(pathbuf, pathbuf_last, pathend,
- pathend_last, pattern, pattern_last,
- p, pattern_last, pglob));
- }
- /* NOTREACHED */
-}
-
-static int
-glob3(pathbuf, pathbuf_last, pathend, pathend_last, pattern, pattern_last,
- restpattern, restpattern_last, pglob)
- Char *pathbuf, *pathbuf_last, *pathend, *pathend_last;
- Char *pattern, *pattern_last, *restpattern, *restpattern_last;
- glob_t *pglob;
-{
- struct dirent *dp;
- DIR *dirp;
- int err;
- char buf[PATH_MAX];
-
- if (pathend > pathend_last)
- return (1);
- *pathend = EOS;
- errno = 0;
-
- if ((dirp = g_opendir(pathbuf, pglob)) == NULL) {
- /* TODO: don't call for ENOENT or ENOTDIR? */
- if (pglob->gl_errfunc) {
- if (g_Ctoc(pathbuf, buf, sizeof(buf)))
- return(GLOB_ABORTED);
- if (pglob->gl_errfunc(buf, errno) ||
- pglob->gl_flags & GLOB_ERR)
- return(GLOB_ABORTED);
- }
- return(0);
- }
-
- err = 0;
-
- /* Search directory for matching names. */
- while ((dp = readdir(dirp))) {
- unsigned char *sc;
- Char *dc;
-
- /* Initial DOT must be matched literally. */
- if (dp->d_name[0] == DOT && *pattern != DOT)
- continue;
- dc = pathend;
- sc = (unsigned char *) dp->d_name;
- while (dc < pathend_last && (*dc++ = *sc++) != EOS)
- continue;
- if (dc >= pathend_last) {
- *dc = EOS;
- err = 1;
- break;
- }
-
- if (!match(pathend, pattern, restpattern)) {
- *pathend = EOS;
- continue;
- }
- err = glob2(pathbuf, pathbuf_last, --dc, pathend_last,
- restpattern, restpattern_last, pglob);
- if (err)
- break;
- }
-
- closedir(dirp);
- return(err);
-}
-
-/*
- * Extend the gl_pathv member of a glob_t structure to accommodate a new item,
- * add the new item, and update gl_pathc.
- *
- * This assumes the BSD realloc, which only copies the block when its size
- * crosses a power-of-two boundary; for v7 realloc, this would cause quadratic
- * behavior.
- *
- * Return 0 if new item added, error code if memory couldn't be allocated.
- *
- * Invariant of the glob_t structure:
- * Either gl_pathc is zero and gl_pathv is NULL; or gl_pathc > 0 and
- * gl_pathv points to (gl_offs + gl_pathc + 1) items.
- */
-static int
-globextend(path, pglob)
- const Char *path;
- glob_t *pglob;
-{
- char **pathv;
- int i;
- unsigned int newsize, len;
- char *copy;
- const Char *p;
-
- newsize = sizeof(*pathv) * (2 + pglob->gl_pathc + pglob->gl_offs);
- pathv = pglob->gl_pathv ?
- (char **)realloc((char *)pglob->gl_pathv, newsize) :
- (char **)malloc(newsize);
- if (pathv == NULL) {
- if (pglob->gl_pathv) {
- free(pglob->gl_pathv);
- pglob->gl_pathv = NULL;
- }
- return(GLOB_NOSPACE);
- }
-
- if (pglob->gl_pathv == NULL && pglob->gl_offs > 0) {
- /* first time around -- clear initial gl_offs items */
- pathv += pglob->gl_offs;
- for (i = pglob->gl_offs; --i >= 0; )
- *--pathv = NULL;
- }
- pglob->gl_pathv = pathv;
-
- for (p = path; *p++;)
- continue;
- len = (size_t)(p - path);
- if ((copy = malloc(len)) != NULL) {
- if (g_Ctoc(path, copy, len)) {
- free(copy);
- return(GLOB_NOSPACE);
- }
- pathv[pglob->gl_offs + pglob->gl_pathc++] = copy;
- }
- pathv[pglob->gl_offs + pglob->gl_pathc] = NULL;
-
- return(copy == NULL ? GLOB_NOSPACE : 0);
-}
-
-/*
- * pattern matching function for filenames. Each occurrence of the *
- * pattern causes a recursion level.
- */
-static int
-match(name, pat, patend)
- Char *name, *pat, *patend;
-{
- int ok, negate_range;
- Char c, k;
-
- while (pat < patend) {
- c = *pat++;
- switch (c & M_MASK) {
- case M_ALL:
- if (pat == patend)
- return(1);
- do {
- if (match(name, pat, patend))
- return(1);
- } while (*name++ != EOS);
- return(0);
- case M_ONE:
- if (*name++ == EOS)
- return(0);
- break;
- case M_SET:
- ok = 0;
- if ((k = *name++) == EOS)
- return(0);
- if ((negate_range = ((*pat & M_MASK) == M_NOT)) != EOS)
- ++pat;
- while (((c = *pat++) & M_MASK) != M_END) {
- if ((c & M_MASK) == M_CLASS) {
- int idx = *pat & M_MASK;
- if (idx < NCCLASSES &&
- cclasses[idx].isctype(k))
- ok = 1;
- ++pat;
- }
- if ((*pat & M_MASK) == M_RNG) {
- if (c <= k && k <= pat[1])
- ok = 1;
- pat += 2;
- } else if (c == k)
- ok = 1;
- }
- if (ok == negate_range)
- return(0);
- break;
- default:
- if (*name++ != c)
- return(0);
- break;
- }
- }
- return(*name == EOS);
-}
-
-/* Free allocated data belonging to a glob_t structure. */
-void
-globfree(pglob)
- glob_t *pglob;
-{
- int i;
- char **pp;
-
- if (pglob->gl_pathv != NULL) {
- pp = pglob->gl_pathv + pglob->gl_offs;
- for (i = pglob->gl_pathc; i--; ++pp)
- if (*pp)
- free(*pp);
- free(pglob->gl_pathv);
- pglob->gl_pathv = NULL;
- }
-}
-
-static DIR *
-g_opendir(str, pglob)
- Char *str;
- glob_t *pglob;
-{
- char buf[PATH_MAX];
-
- if (!*str) {
- buf[0] = '.';
- buf[1] = '\0';
- } else {
- if (g_Ctoc(str, buf, sizeof(buf)))
- return(NULL);
- }
- return(opendir(buf));
-}
-
-static int
-g_lstat(fn, sb, pglob)
- Char *fn;
- struct stat *sb;
- glob_t *pglob;
-{
- char buf[PATH_MAX];
-
- if (g_Ctoc(fn, buf, sizeof(buf)))
- return(-1);
- return(lstat(buf, sb));
-}
-
-static int
-g_stat(fn, sb, pglob)
- Char *fn;
- struct stat *sb;
- glob_t *pglob;
-{
- char buf[PATH_MAX];
-
- if (g_Ctoc(fn, buf, sizeof(buf)))
- return(-1);
- return(stat(buf, sb));
-}
-
-static Char *
-g_strchr(str, ch)
- const Char *str;
- int ch;
-{
- do {
- if (*str == ch)
- return ((Char *)str);
- } while (*str++);
- return (NULL);
-}
-
-static int
-g_Ctoc(str, buf, len)
- const Char *str;
- char *buf;
- unsigned int len;
-{
-
- while (len--) {
- if ((*buf++ = *str++) == EOS)
- return (0);
- }
- return (1);
-}
-
-#ifdef DEBUG
-static void
-qprintf(str, s)
- const char *str;
- Char *s;
-{
- Char *p;
-
- (void)printf("%s:\n", str);
- for (p = s; *p; p++)
- (void)printf("%c", CHAR(*p));
- (void)printf("\n");
- for (p = s; *p; p++)
- (void)printf("%c", *p & M_PROTECT ? '"' : ' ');
- (void)printf("\n");
- for (p = s; *p; p++)
- (void)printf("%c", ismeta(*p) ? '_' : ' ');
- (void)printf("\n");
-}
-#endif
projects / debian / sudo / blobdiff