version 1.4, 1993/11/06 01:10:18 |
version 1.26, 2010/07/06 14:59:22 |
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/* $NetBSD$ */ |
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/* |
/* |
* Copyright (c) 1989, 1993 |
* Copyright (c) 1989, 1993 |
* The Regents of the University of California. All rights reserved. |
* The Regents of the University of California. All rights reserved. |
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* 2. Redistributions in binary form must reproduce the above copyright |
* 2. Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* documentation and/or other materials provided with the distribution. |
* 3. All advertising materials mentioning features or use of this software |
* 3. Neither the name of the University nor the names of its contributors |
* must display the following acknowledgement: |
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* This product includes software developed by the University of |
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* California, Berkeley and its contributors. |
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* 4. 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 |
* may be used to endorse or promote products derived from this software |
* without specific prior written permission. |
* without specific prior written permission. |
* |
* |
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* SUCH DAMAGE. |
* SUCH DAMAGE. |
*/ |
*/ |
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#include <sys/cdefs.h> |
#if defined(LIBC_SCCS) && !defined(lint) |
#if defined(LIBC_SCCS) && !defined(lint) |
/* from: static char sccsid[] = "@(#)glob.c 8.3 (Berkeley) 10/13/93"; */ |
#if 0 |
static char *rcsid = "$Id$"; |
static char sccsid[] = "@(#)glob.c 8.3 (Berkeley) 10/13/93"; |
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#else |
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__RCSID("$NetBSD$"); |
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#endif |
#endif /* LIBC_SCCS and not lint */ |
#endif /* LIBC_SCCS and not lint */ |
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/* |
/* |
Line 46 static char *rcsid = "$Id$"; |
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Line 48 static char *rcsid = "$Id$"; |
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* |
* |
* Optional extra services, controlled by flags not defined by POSIX: |
* Optional extra services, controlled by flags not defined by POSIX: |
* |
* |
* GLOB_QUOTE: |
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* Escaping convention: \ inhibits any special meaning the following |
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* character might have (except \ at end of string is retained). |
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* GLOB_MAGCHAR: |
* GLOB_MAGCHAR: |
* Set in gl_flags if pattern contained a globbing character. |
* Set in gl_flags if pattern contained a globbing character. |
* GLOB_NOMAGIC: |
* GLOB_NOMAGIC: |
Line 60 static char *rcsid = "$Id$"; |
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Line 59 static char *rcsid = "$Id$"; |
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* expand ~user/foo to the /home/dir/of/user/foo |
* expand ~user/foo to the /home/dir/of/user/foo |
* GLOB_BRACE: |
* GLOB_BRACE: |
* expand {1,2}{a,b} to 1a 1b 2a 2b |
* expand {1,2}{a,b} to 1a 1b 2a 2b |
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* GLOB_PERIOD: |
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* allow metacharacters to match leading dots in filenames. |
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* GLOB_NO_DOTDIRS: |
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* . and .. are hidden from wildcards, even if GLOB_PERIOD is set. |
* gl_matchc: |
* gl_matchc: |
* Number of matches in the current invocation of glob. |
* Number of matches in the current invocation of glob. |
*/ |
*/ |
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#include "namespace.h" |
#include <sys/param.h> |
#include <sys/param.h> |
#include <sys/stat.h> |
#include <sys/stat.h> |
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#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <dirent.h> |
#include <dirent.h> |
#include <errno.h> |
#include <errno.h> |
#include <glob.h> |
#include <glob.h> |
#include <pwd.h> |
#include <pwd.h> |
#include <stdio.h> |
#include <stdio.h> |
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#include <stddef.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#include <unistd.h> |
#include <unistd.h> |
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#ifdef HAVE_NBTOOL_CONFIG_H |
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#define NO_GETPW_R |
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#endif |
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#define GLOB_LIMIT_MALLOC 65536 |
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#define GLOB_LIMIT_STAT 128 |
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#define GLOB_LIMIT_READDIR 16384 |
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#define GLOB_INDEX_MALLOC 0 |
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#define GLOB_INDEX_STAT 1 |
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#define GLOB_INDEX_READDIR 2 |
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/* |
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* XXX: For NetBSD 1.4.x compatibility. (kill me l8r) |
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*/ |
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#ifndef _DIAGASSERT |
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#define _DIAGASSERT(a) |
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#endif |
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#define DOLLAR '$' |
#define DOLLAR '$' |
#define DOT '.' |
#define DOT '.' |
#define EOS '\0' |
#define EOS '\0' |
Line 95 static char *rcsid = "$Id$"; |
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Line 120 static char *rcsid = "$Id$"; |
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#define SLASH '/' |
#define SLASH '/' |
#define COMMA ',' |
#define COMMA ',' |
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#ifndef DEBUG |
#ifndef USE_8BIT_CHARS |
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#define M_QUOTE 0x8000 |
#define M_QUOTE 0x8000 |
#define M_PROTECT 0x4000 |
#define M_PROTECT 0x4000 |
Line 106 typedef u_short Char; |
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Line 131 typedef u_short Char; |
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#else |
#else |
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#define M_QUOTE 0x80 |
#define M_QUOTE (Char)0x80 |
#define M_PROTECT 0x40 |
#define M_PROTECT (Char)0x40 |
#define M_MASK 0xff |
#define M_MASK (Char)0xff |
#define M_ASCII 0x7f |
#define M_ASCII (Char)0x7f |
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typedef char Char; |
typedef char Char; |
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Line 127 typedef char Char; |
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Line 152 typedef char Char; |
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#define ismeta(c) (((c)&M_QUOTE) != 0) |
#define ismeta(c) (((c)&M_QUOTE) != 0) |
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static int compare __P((const void *, const void *)); |
static int compare(const void *, const void *); |
static void g_Ctoc __P((const Char *, char *)); |
static int g_Ctoc(const Char *, char *, size_t); |
static int g_lstat __P((Char *, struct stat *, glob_t *)); |
static int g_lstat(Char *, __gl_stat_t *, glob_t *); |
static DIR *g_opendir __P((Char *, glob_t *)); |
static DIR *g_opendir(Char *, glob_t *); |
static Char *g_strchr __P((Char *, int)); |
static Char *g_strchr(const Char *, int); |
#ifdef notdef |
static int g_stat(Char *, __gl_stat_t *, glob_t *); |
static Char *g_strcat __P((Char *, const Char *)); |
static int glob0(const Char *, glob_t *, size_t *); |
#endif |
static int glob1(Char *, glob_t *, size_t *); |
static int g_stat __P((Char *, struct stat *, glob_t *)); |
static int glob2(Char *, Char *, Char *, Char *, glob_t *, |
static int glob0 __P((const Char *, glob_t *)); |
size_t *); |
static int glob1 __P((Char *, glob_t *)); |
static int glob3(Char *, Char *, Char *, Char *, Char *, glob_t *, |
static int glob2 __P((Char *, Char *, Char *, glob_t *)); |
size_t *); |
static int glob3 __P((Char *, Char *, Char *, Char *, glob_t *)); |
static int globextend(const Char *, glob_t *, size_t *); |
static int globextend __P((const Char *, glob_t *)); |
static const Char *globtilde(const Char *, Char *, size_t, glob_t *); |
static const Char * globtilde __P((const Char *, Char *, glob_t *)); |
static int globexp1(const Char *, glob_t *, size_t *); |
static int globexp1 __P((const Char *, glob_t *)); |
static int globexp2(const Char *, const Char *, glob_t *, int *, |
static int globexp2 __P((const Char *, const Char *, glob_t *, int *)); |
size_t *); |
static int match __P((Char *, Char *, Char *)); |
static int match(Char *, Char *, Char *); |
#ifdef DEBUG |
#ifdef DEBUG |
static void qprintf __P((const char *, Char *)); |
static void qprintf(const char *, Char *); |
#endif |
#endif |
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int |
int |
glob(pattern, flags, errfunc, pglob) |
glob(const char *pattern, int flags, int (*errfunc)(const char *, int), |
const char *pattern; |
glob_t *pglob) |
int flags, (*errfunc) __P((const char *, int)); |
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glob_t *pglob; |
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{ |
{ |
const u_char *patnext; |
const u_char *patnext; |
int c; |
int c; |
Char *bufnext, *bufend, patbuf[MAXPATHLEN+1]; |
Char *bufnext, *bufend, patbuf[MAXPATHLEN+1]; |
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/* 0 = malloc(), 1 = stat(), 2 = readdir() */ |
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size_t limit[] = { 0, 0, 0 }; |
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_DIAGASSERT(pattern != NULL); |
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patnext = (u_char *) pattern; |
patnext = (const u_char *) pattern; |
if (!(flags & GLOB_APPEND)) { |
if (!(flags & GLOB_APPEND)) { |
pglob->gl_pathc = 0; |
pglob->gl_pathc = 0; |
pglob->gl_pathv = NULL; |
pglob->gl_pathv = NULL; |
Line 172 glob(pattern, flags, errfunc, pglob) |
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Line 199 glob(pattern, flags, errfunc, pglob) |
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bufnext = patbuf; |
bufnext = patbuf; |
bufend = bufnext + MAXPATHLEN; |
bufend = bufnext + MAXPATHLEN; |
if (flags & GLOB_QUOTE) { |
if (flags & GLOB_NOESCAPE) { |
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while (bufnext < bufend && (c = *patnext++) != EOS) |
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*bufnext++ = c; |
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} else { |
/* Protect the quoted characters. */ |
/* Protect the quoted characters. */ |
while (bufnext < bufend && (c = *patnext++) != EOS) |
while (bufnext < bufend && (c = *patnext++) != EOS) |
if (c == QUOTE) { |
if (c == QUOTE) { |
Line 185 glob(pattern, flags, errfunc, pglob) |
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Line 215 glob(pattern, flags, errfunc, pglob) |
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else |
else |
*bufnext++ = c; |
*bufnext++ = c; |
} |
} |
else |
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while (bufnext < bufend && (c = *patnext++) != EOS) |
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*bufnext++ = c; |
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*bufnext = EOS; |
*bufnext = EOS; |
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if (flags & GLOB_BRACE) |
if (flags & GLOB_BRACE) |
return globexp1(patbuf, pglob); |
return globexp1(patbuf, pglob, limit); |
else |
else |
return glob0(patbuf, pglob); |
return glob0(patbuf, pglob, limit); |
} |
} |
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/* |
/* |
Line 201 glob(pattern, flags, errfunc, pglob) |
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Line 228 glob(pattern, flags, errfunc, pglob) |
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* invoke the standard globbing routine to glob the rest of the magic |
* invoke the standard globbing routine to glob the rest of the magic |
* characters |
* characters |
*/ |
*/ |
static int globexp1(pattern, pglob) |
static int |
const Char *pattern; |
globexp1(const Char *pattern, glob_t *pglob, size_t *limit) |
glob_t *pglob; |
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{ |
{ |
const Char* ptr = pattern; |
const Char* ptr = pattern; |
int rv; |
int rv; |
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_DIAGASSERT(pattern != NULL); |
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_DIAGASSERT(pglob != NULL); |
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/* Protect a single {}, for find(1), like csh */ |
/* Protect a single {}, for find(1), like csh */ |
if (pattern[0] == LBRACE && pattern[1] == RBRACE && pattern[2] == EOS) |
if (pattern[0] == LBRACE && pattern[1] == RBRACE && pattern[2] == EOS) |
return glob0(pattern, pglob); |
return glob0(pattern, pglob, limit); |
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while ((ptr = (const Char *) g_strchr((Char *) ptr, LBRACE)) != NULL) |
while ((ptr = (const Char *) g_strchr(ptr, LBRACE)) != NULL) |
if (!globexp2(ptr, pattern, pglob, &rv)) |
if (!globexp2(ptr, pattern, pglob, &rv, limit)) |
return rv; |
return rv; |
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return glob0(pattern, pglob); |
return glob0(pattern, pglob, limit); |
} |
} |
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Line 225 static int globexp1(pattern, pglob) |
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Line 254 static int globexp1(pattern, pglob) |
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* If it succeeds then it invokes globexp1 with the new pattern. |
* 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. |
* If it fails then it tries to glob the rest of the pattern and returns. |
*/ |
*/ |
static int globexp2(ptr, pattern, pglob, rv) |
static int |
const Char *ptr, *pattern; |
globexp2(const Char *ptr, const Char *pattern, glob_t *pglob, int *rv, |
glob_t *pglob; |
size_t *limit) |
int *rv; |
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{ |
{ |
int i; |
int i; |
Char *lm, *ls; |
Char *lm, *ls; |
const Char *pe, *pm, *pl; |
const Char *pe, *pm, *pl; |
Char patbuf[MAXPATHLEN + 1]; |
Char patbuf[MAXPATHLEN + 1]; |
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_DIAGASSERT(ptr != NULL); |
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_DIAGASSERT(pattern != NULL); |
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_DIAGASSERT(pglob != NULL); |
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_DIAGASSERT(rv != NULL); |
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/* copy part up to the brace */ |
/* copy part up to the brace */ |
for (lm = patbuf, pm = pattern; pm != ptr; *lm++ = *pm++) |
for (lm = patbuf, pm = pattern; pm != ptr; *lm++ = *pm++) |
continue; |
continue; |
Line 264 static int globexp2(ptr, pattern, pglob, |
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Line 297 static int globexp2(ptr, pattern, pglob, |
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/* Non matching braces; just glob the pattern */ |
/* Non matching braces; just glob the pattern */ |
if (i != 0 || *pe == EOS) { |
if (i != 0 || *pe == EOS) { |
*rv = glob0(patbuf, pglob); |
/* |
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* we use `pattern', not `patbuf' here so that that |
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* unbalanced braces are passed to the match |
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*/ |
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*rv = glob0(pattern, pglob, limit); |
return 0; |
return 0; |
} |
} |
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for (i = 0, pl = pm = ptr; pm <= pe; pm++) |
for (i = 0, pl = pm = ptr; pm <= pe; pm++) { |
switch (*pm) { |
switch (*pm) { |
case LBRACKET: |
case LBRACKET: |
/* Ignore everything between [] */ |
/* Ignore everything between [] */ |
Line 289 static int globexp2(ptr, pattern, pglob, |
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Line 326 static int globexp2(ptr, pattern, pglob, |
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case RBRACE: |
case RBRACE: |
if (i) { |
if (i) { |
i--; |
i--; |
break; |
break; |
} |
} |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case COMMA: |
case COMMA: |
Line 311 static int globexp2(ptr, pattern, pglob, |
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Line 348 static int globexp2(ptr, pattern, pglob, |
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#ifdef DEBUG |
#ifdef DEBUG |
qprintf("globexp2:", patbuf); |
qprintf("globexp2:", patbuf); |
#endif |
#endif |
*rv = globexp1(patbuf, pglob); |
*rv = globexp1(patbuf, pglob, limit); |
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/* move after the comma, to the next string */ |
/* move after the comma, to the next string */ |
pl = pm + 1; |
pl = pm + 1; |
Line 321 static int globexp2(ptr, pattern, pglob, |
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Line 358 static int globexp2(ptr, pattern, pglob, |
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default: |
default: |
break; |
break; |
} |
} |
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} |
*rv = 0; |
*rv = 0; |
return 0; |
return 0; |
} |
} |
Line 331 static int globexp2(ptr, pattern, pglob, |
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Line 369 static int globexp2(ptr, pattern, pglob, |
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* expand tilde from the passwd file. |
* expand tilde from the passwd file. |
*/ |
*/ |
static const Char * |
static const Char * |
globtilde(pattern, patbuf, pglob) |
globtilde(const Char *pattern, Char *patbuf, size_t patsize, glob_t *pglob) |
const Char *pattern; |
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Char *patbuf; |
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glob_t *pglob; |
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{ |
{ |
struct passwd *pwd; |
struct passwd *pwd; |
char *h; |
const char *h; |
const Char *p; |
const Char *p; |
Char *b; |
Char *b; |
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char *d; |
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Char *pend = &patbuf[patsize / sizeof(Char)]; |
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#ifndef NO_GETPW_R |
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struct passwd pwres; |
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char pwbuf[1024]; |
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#endif |
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pend--; |
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_DIAGASSERT(pattern != NULL); |
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_DIAGASSERT(patbuf != NULL); |
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_DIAGASSERT(pglob != NULL); |
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if (*pattern != TILDE || !(pglob->gl_flags & GLOB_TILDE)) |
if (*pattern != TILDE || !(pglob->gl_flags & GLOB_TILDE)) |
return pattern; |
return pattern; |
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/* Copy up to the end of the string or / */ |
/* Copy up to the end of the string or / */ |
for (p = pattern + 1, h = (char *) patbuf; *p && *p != SLASH; |
for (p = pattern + 1, d = (char *)(void *)patbuf; |
*h++ = *p++) |
d < (char *)(void *)pend && *p && *p != SLASH; |
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*d++ = *p++) |
continue; |
continue; |
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*h = EOS; |
if (d == (char *)(void *)pend) |
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return NULL; |
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if (((char *) patbuf)[0] == EOS) { |
*d = EOS; |
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d = (char *)(void *)patbuf; |
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if (*d == EOS) { |
/* |
/* |
* handle a plain ~ or ~/ by expanding $HOME |
* handle a plain ~ or ~/ by expanding $HOME |
* first and then trying the password file |
* first and then trying the password file |
*/ |
*/ |
if ((h = getenv("HOME")) == NULL) { |
if ((h = getenv("HOME")) == NULL) { |
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#ifdef NO_GETPW_R |
if ((pwd = getpwuid(getuid())) == NULL) |
if ((pwd = getpwuid(getuid())) == NULL) |
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#else |
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if (getpwuid_r(getuid(), &pwres, pwbuf, sizeof(pwbuf), |
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&pwd) != 0 || pwd == NULL) |
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#endif |
return pattern; |
return pattern; |
else |
else |
h = pwd->pw_dir; |
h = pwd->pw_dir; |
Line 367 globtilde(pattern, patbuf, pglob) |
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Line 424 globtilde(pattern, patbuf, pglob) |
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/* |
/* |
* Expand a ~user |
* Expand a ~user |
*/ |
*/ |
if ((pwd = getpwnam((char*) patbuf)) == NULL) |
#ifdef NO_GETPW_R |
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if ((pwd = getpwnam(d)) == NULL) |
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#else |
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if (getpwnam_r(d, &pwres, pwbuf, sizeof(pwbuf), &pwd) != 0 || |
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pwd == NULL) |
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#endif |
return pattern; |
return pattern; |
else |
else |
h = pwd->pw_dir; |
h = pwd->pw_dir; |
} |
} |
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/* Copy the home directory */ |
/* Copy the home directory */ |
for (b = patbuf; *h; *b++ = *h++) |
for (b = patbuf; b < pend && *h; *b++ = *h++) |
continue; |
continue; |
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if (b == pend) |
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return NULL; |
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/* Append the rest of the pattern */ |
/* Append the rest of the pattern */ |
while ((*b++ = *p++) != EOS) |
while (b < pend && (*b++ = *p++) != EOS) |
continue; |
continue; |
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if (b == pend) |
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return NULL; |
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return patbuf; |
return patbuf; |
} |
} |
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Line 393 globtilde(pattern, patbuf, pglob) |
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Line 461 globtilde(pattern, patbuf, pglob) |
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* to find no matches. |
* to find no matches. |
*/ |
*/ |
static int |
static int |
glob0(pattern, pglob) |
glob0(const Char *pattern, glob_t *pglob, size_t *limit) |
const Char *pattern; |
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glob_t *pglob; |
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{ |
{ |
const Char *qpatnext; |
const Char *qpatnext; |
int c, err, oldpathc; |
int c, error; |
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__gl_size_t oldpathc; |
Char *bufnext, patbuf[MAXPATHLEN+1]; |
Char *bufnext, patbuf[MAXPATHLEN+1]; |
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qpatnext = globtilde(pattern, patbuf, pglob); |
_DIAGASSERT(pattern != NULL); |
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_DIAGASSERT(pglob != NULL); |
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if ((qpatnext = globtilde(pattern, patbuf, sizeof(patbuf), |
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pglob)) == NULL) |
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return GLOB_ABEND; |
oldpathc = pglob->gl_pathc; |
oldpathc = pglob->gl_pathc; |
bufnext = patbuf; |
bufnext = patbuf; |
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Line 413 glob0(pattern, pglob) |
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Line 485 glob0(pattern, pglob) |
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if (c == NOT) |
if (c == NOT) |
++qpatnext; |
++qpatnext; |
if (*qpatnext == EOS || |
if (*qpatnext == EOS || |
g_strchr((Char *) qpatnext+1, RBRACKET) == NULL) { |
g_strchr(qpatnext+1, RBRACKET) == NULL) { |
*bufnext++ = LBRACKET; |
*bufnext++ = LBRACKET; |
if (c == NOT) |
if (c == NOT) |
--qpatnext; |
--qpatnext; |
Line 445 glob0(pattern, pglob) |
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Line 517 glob0(pattern, pglob) |
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* to avoid exponential behavior |
* to avoid exponential behavior |
*/ |
*/ |
if (bufnext == patbuf || bufnext[-1] != M_ALL) |
if (bufnext == patbuf || bufnext[-1] != M_ALL) |
*bufnext++ = M_ALL; |
*bufnext++ = M_ALL; |
break; |
break; |
default: |
default: |
*bufnext++ = CHAR(c); |
*bufnext++ = CHAR(c); |
Line 457 glob0(pattern, pglob) |
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Line 529 glob0(pattern, pglob) |
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qprintf("glob0:", patbuf); |
qprintf("glob0:", patbuf); |
#endif |
#endif |
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if ((err = glob1(patbuf, pglob)) != 0) |
if ((error = glob1(patbuf, pglob, limit)) != 0) |
return(err); |
return error; |
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/* |
if (pglob->gl_pathc == oldpathc) { |
* If there was no match we are going to append the pattern |
/* |
* if GLOB_NOCHECK was specified or if GLOB_NOMAGIC was specified |
* If there was no match we are going to append the pattern |
* and the pattern did not contain any magic characters |
* if GLOB_NOCHECK was specified or if GLOB_NOMAGIC was |
* GLOB_NOMAGIC is there just for compatibility with csh. |
* specified and the pattern did not contain any magic |
*/ |
* characters GLOB_NOMAGIC is there just for compatibility |
if (pglob->gl_pathc == oldpathc && |
* with csh. |
((pglob->gl_flags & GLOB_NOCHECK) || |
*/ |
((pglob->gl_flags & GLOB_NOMAGIC) && |
if ((pglob->gl_flags & GLOB_NOCHECK) || |
!(pglob->gl_flags & GLOB_MAGCHAR)))) |
((pglob->gl_flags & (GLOB_NOMAGIC|GLOB_MAGCHAR)) |
return(globextend(pattern, pglob)); |
== GLOB_NOMAGIC)) { |
else if (!(pglob->gl_flags & GLOB_NOSORT)) |
return globextend(pattern, pglob, limit); |
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} else { |
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return GLOB_NOMATCH; |
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} |
|
} else if (!(pglob->gl_flags & GLOB_NOSORT)) { |
qsort(pglob->gl_pathv + pglob->gl_offs + oldpathc, |
qsort(pglob->gl_pathv + pglob->gl_offs + oldpathc, |
pglob->gl_pathc - oldpathc, sizeof(char *), compare); |
(size_t)pglob->gl_pathc - oldpathc, sizeof(char *), |
return(0); |
compare); |
|
} |
|
|
|
return 0; |
} |
} |
|
|
static int |
static int |
compare(p, q) |
compare(const void *p, const void *q) |
const void *p, *q; |
|
{ |
{ |
return(strcmp(*(char **)p, *(char **)q)); |
|
|
_DIAGASSERT(p != NULL); |
|
_DIAGASSERT(q != NULL); |
|
|
|
return strcoll(*(const char * const *)p, *(const char * const *)q); |
} |
} |
|
|
static int |
static int |
glob1(pattern, pglob) |
glob1(Char *pattern, glob_t *pglob, size_t *limit) |
Char *pattern; |
|
glob_t *pglob; |
|
{ |
{ |
Char pathbuf[MAXPATHLEN+1]; |
Char pathbuf[MAXPATHLEN+1]; |
|
|
|
_DIAGASSERT(pattern != NULL); |
|
_DIAGASSERT(pglob != NULL); |
|
|
/* A null pathname is invalid -- POSIX 1003.1 sect. 2.4. */ |
/* A null pathname is invalid -- POSIX 1003.1 sect. 2.4. */ |
if (*pattern == EOS) |
if (*pattern == EOS) |
return(0); |
return 0; |
return(glob2(pathbuf, pathbuf, pattern, pglob)); |
/* |
|
* we save one character so that we can use ptr >= limit, |
|
* in the general case when we are appending non nul chars only. |
|
*/ |
|
return glob2(pathbuf, pathbuf, |
|
pathbuf + (sizeof(pathbuf) / sizeof(*pathbuf)) - 1, pattern, |
|
pglob, limit); |
} |
} |
|
|
/* |
/* |
Line 503 glob1(pattern, pglob) |
|
Line 592 glob1(pattern, pglob) |
|
* meta characters. |
* meta characters. |
*/ |
*/ |
static int |
static int |
glob2(pathbuf, pathend, pattern, pglob) |
glob2(Char *pathbuf, Char *pathend, Char *pathlim, Char *pattern, glob_t *pglob, |
Char *pathbuf, *pathend, *pattern; |
size_t *limit) |
glob_t *pglob; |
|
{ |
{ |
struct stat sb; |
__gl_stat_t sb; |
Char *p, *q; |
Char *p, *q; |
int anymeta; |
int anymeta; |
|
Char *pend; |
|
ptrdiff_t diff; |
|
|
|
_DIAGASSERT(pathbuf != NULL); |
|
_DIAGASSERT(pathend != NULL); |
|
_DIAGASSERT(pattern != NULL); |
|
_DIAGASSERT(pglob != NULL); |
|
|
/* |
/* |
* Loop over pattern segments until end of pattern or until |
* Loop over pattern segments until end of pattern or until |
Line 519 glob2(pathbuf, pathend, pattern, pglob) |
|
Line 614 glob2(pathbuf, pathend, pattern, pglob) |
|
if (*pattern == EOS) { /* End of pattern? */ |
if (*pattern == EOS) { /* End of pattern? */ |
*pathend = EOS; |
*pathend = EOS; |
if (g_lstat(pathbuf, &sb, pglob)) |
if (g_lstat(pathbuf, &sb, pglob)) |
return(0); |
return 0; |
|
|
|
if ((pglob->gl_flags & GLOB_LIMIT) && |
|
limit[GLOB_INDEX_STAT]++ >= GLOB_LIMIT_STAT) { |
|
errno = 0; |
|
*pathend++ = SEP; |
|
*pathend = EOS; |
|
return GLOB_NOSPACE; |
|
} |
if (((pglob->gl_flags & GLOB_MARK) && |
if (((pglob->gl_flags & GLOB_MARK) && |
pathend[-1] != SEP) && (S_ISDIR(sb.st_mode) |
pathend[-1] != SEP) && (S_ISDIR(sb.st_mode) || |
|| (S_ISLNK(sb.st_mode) && |
(S_ISLNK(sb.st_mode) && |
(g_stat(pathbuf, &sb, pglob) == 0) && |
(g_stat(pathbuf, &sb, pglob) == 0) && |
S_ISDIR(sb.st_mode)))) { |
S_ISDIR(sb.st_mode)))) { |
|
if (pathend >= pathlim) |
|
return GLOB_ABORTED; |
*pathend++ = SEP; |
*pathend++ = SEP; |
*pathend = EOS; |
*pathend = EOS; |
} |
} |
++pglob->gl_matchc; |
++pglob->gl_matchc; |
return(globextend(pathbuf, pglob)); |
return globextend(pathbuf, pglob, limit); |
} |
} |
|
|
/* Find end of next segment, copy tentatively to pathend. */ |
/* Find end of next segment, copy tentatively to pathend. */ |
Line 539 glob2(pathbuf, pathend, pattern, pglob) |
|
Line 643 glob2(pathbuf, pathend, pattern, pglob) |
|
while (*p != EOS && *p != SEP) { |
while (*p != EOS && *p != SEP) { |
if (ismeta(*p)) |
if (ismeta(*p)) |
anymeta = 1; |
anymeta = 1; |
|
if (q >= pathlim) |
|
return GLOB_ABORTED; |
*q++ = *p++; |
*q++ = *p++; |
} |
} |
|
|
if (!anymeta) { /* No expansion, do next segment. */ |
/* |
|
* No expansion, or path ends in slash-dot shash-dot-dot, |
|
* do next segment. |
|
*/ |
|
if (pglob->gl_flags & GLOB_PERIOD) { |
|
for (pend = pathend; pend > pathbuf && pend[-1] == '/'; |
|
pend--) |
|
continue; |
|
diff = pend - pathbuf; |
|
} else { |
|
/* XXX: GCC */ |
|
diff = 0; |
|
pend = pathend; |
|
} |
|
|
|
if ((!anymeta) || |
|
((pglob->gl_flags & GLOB_PERIOD) && |
|
(diff >= 1 && pend[-1] == DOT) && |
|
(diff >= 2 && (pend[-2] == SLASH || pend[-2] == DOT)) && |
|
(diff < 3 || pend[-3] == SLASH))) { |
pathend = q; |
pathend = q; |
pattern = p; |
pattern = p; |
while (*pattern == SEP) |
while (*pattern == SEP) { |
|
if (pathend >= pathlim) |
|
return GLOB_ABORTED; |
*pathend++ = *pattern++; |
*pathend++ = *pattern++; |
|
} |
} else /* Need expansion, recurse. */ |
} else /* Need expansion, recurse. */ |
return(glob3(pathbuf, pathend, pattern, p, pglob)); |
return glob3(pathbuf, pathend, pathlim, pattern, p, |
|
pglob, limit); |
} |
} |
/* NOTREACHED */ |
/* NOTREACHED */ |
} |
} |
|
|
static int |
static int |
glob3(pathbuf, pathend, pattern, restpattern, pglob) |
glob3(Char *pathbuf, Char *pathend, Char *pathlim, Char *pattern, |
Char *pathbuf, *pathend, *pattern, *restpattern; |
Char *restpattern, glob_t *pglob, size_t *limit) |
glob_t *pglob; |
|
{ |
{ |
register struct dirent *dp; |
struct dirent *dp; |
DIR *dirp; |
DIR *dirp; |
int err; |
int error; |
char buf[MAXPATHLEN]; |
char buf[MAXPATHLEN]; |
|
|
/* |
/* |
Line 569 glob3(pathbuf, pathend, pattern, restpat |
|
Line 697 glob3(pathbuf, pathend, pattern, restpat |
|
* and dirent.h as taking pointers to differently typed opaque |
* and dirent.h as taking pointers to differently typed opaque |
* structures. |
* structures. |
*/ |
*/ |
struct dirent *(*readdirfunc)(); |
struct dirent *(*readdirfunc)(void *); |
|
|
|
_DIAGASSERT(pathbuf != NULL); |
|
_DIAGASSERT(pathend != NULL); |
|
_DIAGASSERT(pattern != NULL); |
|
_DIAGASSERT(restpattern != NULL); |
|
_DIAGASSERT(pglob != NULL); |
|
|
*pathend = EOS; |
*pathend = EOS; |
errno = 0; |
errno = 0; |
|
|
if ((dirp = g_opendir(pathbuf, pglob)) == NULL) { |
if ((dirp = g_opendir(pathbuf, pglob)) == NULL) { |
/* TODO: don't call for ENOENT or ENOTDIR? */ |
|
if (pglob->gl_errfunc) { |
if (pglob->gl_errfunc) { |
g_Ctoc(pathbuf, buf); |
if (g_Ctoc(pathbuf, buf, sizeof(buf))) |
|
return GLOB_ABORTED; |
if (pglob->gl_errfunc(buf, errno) || |
if (pglob->gl_errfunc(buf, errno) || |
pglob->gl_flags & GLOB_ERR) |
pglob->gl_flags & GLOB_ERR) |
return (GLOB_ABEND); |
return GLOB_ABORTED; |
} |
} |
return(0); |
/* |
|
* Posix/XOpen: glob should return when it encounters a |
|
* directory that it cannot open or read |
|
* XXX: Should we ignore ENOTDIR and ENOENT though? |
|
* I think that Posix had in mind EPERM... |
|
*/ |
|
if (pglob->gl_flags & GLOB_ERR) |
|
return GLOB_ABORTED; |
|
|
|
return 0; |
} |
} |
|
|
err = 0; |
error = 0; |
|
|
/* Search directory for matching names. */ |
/* Search directory for matching names. */ |
if (pglob->gl_flags & GLOB_ALTDIRFUNC) |
if (pglob->gl_flags & GLOB_ALTDIRFUNC) |
readdirfunc = pglob->gl_readdir; |
readdirfunc = pglob->gl_readdir; |
else |
else |
readdirfunc = readdir; |
readdirfunc = (struct dirent *(*)__P((void *))) readdir; |
while ((dp = (*readdirfunc)(dirp))) { |
while ((dp = (*readdirfunc)(dirp)) != NULL) { |
register u_char *sc; |
u_char *sc; |
register Char *dc; |
Char *dc; |
|
|
|
if ((pglob->gl_flags & GLOB_LIMIT) && |
|
limit[GLOB_INDEX_READDIR]++ >= GLOB_LIMIT_READDIR) { |
|
errno = 0; |
|
*pathend++ = SEP; |
|
*pathend = EOS; |
|
return GLOB_NOSPACE; |
|
} |
|
|
/* Initial DOT must be matched literally. */ |
/* |
if (dp->d_name[0] == DOT && *pattern != DOT) |
* Initial DOT must be matched literally, unless we have |
|
* GLOB_PERIOD set. |
|
*/ |
|
if ((pglob->gl_flags & GLOB_PERIOD) == 0) |
|
if (dp->d_name[0] == DOT && *pattern != DOT) |
|
continue; |
|
/* |
|
* If GLOB_NO_DOTDIRS is set, . and .. vanish. |
|
*/ |
|
if ((pglob->gl_flags & GLOB_NO_DOTDIRS) && |
|
(dp->d_name[0] == DOT) && |
|
((dp->d_name[1] == EOS) || |
|
((dp->d_name[1] == DOT) && (dp->d_name[2] == EOS)))) |
continue; |
continue; |
|
/* |
|
* The resulting string contains EOS, so we can |
|
* use the pathlim character, if it is the nul |
|
*/ |
for (sc = (u_char *) dp->d_name, dc = pathend; |
for (sc = (u_char *) dp->d_name, dc = pathend; |
(*dc++ = *sc++) != EOS;) |
dc <= pathlim && (*dc++ = *sc++) != EOS;) |
continue; |
continue; |
|
|
|
/* |
|
* Have we filled the buffer without seeing EOS? |
|
*/ |
|
if (dc > pathlim && *pathlim != EOS) { |
|
/* |
|
* Abort when requested by caller, otherwise |
|
* reset pathend back to last SEP and continue |
|
* with next dir entry. |
|
*/ |
|
if (pglob->gl_flags & GLOB_ERR) { |
|
error = GLOB_ABORTED; |
|
break; |
|
} |
|
else { |
|
*pathend = EOS; |
|
continue; |
|
} |
|
} |
|
|
if (!match(pathend, pattern, restpattern)) { |
if (!match(pathend, pattern, restpattern)) { |
*pathend = EOS; |
*pathend = EOS; |
continue; |
continue; |
} |
} |
err = glob2(pathbuf, --dc, restpattern, pglob); |
error = glob2(pathbuf, --dc, pathlim, restpattern, pglob, |
if (err) |
limit); |
|
if (error) |
break; |
break; |
} |
} |
|
|
Line 615 glob3(pathbuf, pathend, pattern, restpat |
|
Line 803 glob3(pathbuf, pathend, pattern, restpat |
|
(*pglob->gl_closedir)(dirp); |
(*pglob->gl_closedir)(dirp); |
else |
else |
closedir(dirp); |
closedir(dirp); |
return(err); |
|
|
/* |
|
* Again Posix X/Open issue with regards to error handling. |
|
*/ |
|
if ((error || errno) && (pglob->gl_flags & GLOB_ERR)) |
|
return GLOB_ABORTED; |
|
|
|
return error; |
} |
} |
|
|
|
|
/* |
/* |
* Extend the gl_pathv member of a glob_t structure to accomodate a new item, |
* Extend the gl_pathv member of a glob_t structure to accommodate a new item, |
* add the new item, and update gl_pathc. |
* add the new item, and update gl_pathc. |
* |
* |
* This assumes the BSD realloc, which only copies the block when its size |
* This assumes the BSD realloc, which only copies the block when its size |
Line 634 glob3(pathbuf, pathend, pattern, restpat |
|
Line 829 glob3(pathbuf, pathend, pattern, restpat |
|
* gl_pathv points to (gl_offs + gl_pathc + 1) items. |
* gl_pathv points to (gl_offs + gl_pathc + 1) items. |
*/ |
*/ |
static int |
static int |
globextend(path, pglob) |
globextend(const Char *path, glob_t *pglob, size_t *limit) |
const Char *path; |
{ |
glob_t *pglob; |
char **pathv; |
{ |
size_t i, newsize, len; |
register char **pathv; |
|
register int i; |
|
u_int newsize; |
|
char *copy; |
char *copy; |
const Char *p; |
const Char *p; |
|
|
|
_DIAGASSERT(path != NULL); |
|
_DIAGASSERT(pglob != NULL); |
|
|
newsize = sizeof(*pathv) * (2 + pglob->gl_pathc + pglob->gl_offs); |
newsize = sizeof(*pathv) * (2 + pglob->gl_pathc + pglob->gl_offs); |
pathv = pglob->gl_pathv ? |
pathv = pglob->gl_pathv ? realloc(pglob->gl_pathv, newsize) : |
realloc((char *)pglob->gl_pathv, newsize) : |
malloc(newsize); |
malloc(newsize); |
|
if (pathv == NULL) |
if (pathv == NULL) |
return(GLOB_NOSPACE); |
return GLOB_NOSPACE; |
|
|
if (pglob->gl_pathv == NULL && pglob->gl_offs > 0) { |
if (pglob->gl_pathv == NULL && pglob->gl_offs > 0) { |
/* first time around -- clear initial gl_offs items */ |
/* first time around -- clear initial gl_offs items */ |
pathv += pglob->gl_offs; |
pathv += pglob->gl_offs; |
for (i = pglob->gl_offs; --i >= 0; ) |
for (i = pglob->gl_offs + 1; --i > 0; ) |
*--pathv = NULL; |
*--pathv = NULL; |
} |
} |
pglob->gl_pathv = pathv; |
pglob->gl_pathv = pathv; |
|
|
for (p = path; *p++;) |
for (p = path; *p++;) |
continue; |
continue; |
if ((copy = malloc(p - path)) != NULL) { |
len = (size_t)(p - path); |
g_Ctoc(path, copy); |
limit[GLOB_INDEX_MALLOC] += len; |
|
if ((copy = malloc(len)) != NULL) { |
|
if (g_Ctoc(path, copy, len)) { |
|
free(copy); |
|
return GLOB_ABORTED; |
|
} |
pathv[pglob->gl_offs + pglob->gl_pathc++] = copy; |
pathv[pglob->gl_offs + pglob->gl_pathc++] = copy; |
} |
} |
pathv[pglob->gl_offs + pglob->gl_pathc] = NULL; |
pathv[pglob->gl_offs + pglob->gl_pathc] = NULL; |
return(copy == NULL ? GLOB_NOSPACE : 0); |
|
|
if ((pglob->gl_flags & GLOB_LIMIT) && |
|
(newsize + limit[GLOB_INDEX_MALLOC]) >= GLOB_LIMIT_MALLOC) { |
|
errno = 0; |
|
return GLOB_NOSPACE; |
|
} |
|
|
|
return copy == NULL ? GLOB_NOSPACE : 0; |
} |
} |
|
|
|
|
Line 675 globextend(path, pglob) |
|
Line 881 globextend(path, pglob) |
|
* pattern causes a recursion level. |
* pattern causes a recursion level. |
*/ |
*/ |
static int |
static int |
match(name, pat, patend) |
match(Char *name, Char *pat, Char *patend) |
register Char *name, *pat, *patend; |
|
{ |
{ |
int ok, negate_range; |
int ok, negate_range; |
Char c, k; |
Char c, k; |
|
|
|
_DIAGASSERT(name != NULL); |
|
_DIAGASSERT(pat != NULL); |
|
_DIAGASSERT(patend != NULL); |
|
|
while (pat < patend) { |
while (pat < patend) { |
c = *pat++; |
c = *pat++; |
switch (c & M_MASK) { |
switch (c & M_MASK) { |
case M_ALL: |
case M_ALL: |
if (pat == patend) |
if (pat == patend) |
return(1); |
return 1; |
do |
do |
if (match(name, pat, patend)) |
if (match(name, pat, patend)) |
return(1); |
return 1; |
while (*name++ != EOS); |
while (*name++ != EOS); |
return(0); |
return 0; |
case M_ONE: |
case M_ONE: |
if (*name++ == EOS) |
if (*name++ == EOS) |
return(0); |
return 0; |
break; |
break; |
case M_SET: |
case M_SET: |
ok = 0; |
ok = 0; |
if ((k = *name++) == EOS) |
if ((k = *name++) == EOS) |
return(0); |
return 0; |
if ((negate_range = ((*pat & M_MASK) == M_NOT)) != EOS) |
if ((negate_range = ((*pat & M_MASK) == M_NOT)) != EOS) |
++pat; |
++pat; |
while (((c = *pat++) & M_MASK) != M_END) |
while (((c = *pat++) & M_MASK) != M_END) |
Line 710 match(name, pat, patend) |
|
Line 919 match(name, pat, patend) |
|
} else if (c == k) |
} else if (c == k) |
ok = 1; |
ok = 1; |
if (ok == negate_range) |
if (ok == negate_range) |
return(0); |
return 0; |
break; |
break; |
default: |
default: |
if (*name++ != c) |
if (*name++ != c) |
return(0); |
return 0; |
break; |
break; |
} |
} |
} |
} |
return(*name == EOS); |
return *name == EOS; |
} |
} |
|
|
/* Free allocated data belonging to a glob_t structure. */ |
/* Free allocated data belonging to a glob_t structure. */ |
void |
void |
globfree(pglob) |
globfree(glob_t *pglob) |
glob_t *pglob; |
|
{ |
{ |
register int i; |
size_t i; |
register char **pp; |
char **pp; |
|
|
|
_DIAGASSERT(pglob != NULL); |
|
|
if (pglob->gl_pathv != NULL) { |
if (pglob->gl_pathv != NULL) { |
pp = pglob->gl_pathv + pglob->gl_offs; |
pp = pglob->gl_pathv + pglob->gl_offs; |
|
|
if (*pp) |
if (*pp) |
free(*pp); |
free(*pp); |
free(pglob->gl_pathv); |
free(pglob->gl_pathv); |
|
pglob->gl_pathv = NULL; |
|
pglob->gl_pathc = 0; |
} |
} |
} |
} |
|
|
|
#ifndef __LIBC12_SOURCE__ |
|
int |
|
glob_pattern_p(const char *pattern, int quote) |
|
{ |
|
int range = 0; |
|
|
|
for (; *pattern; pattern++) |
|
switch (*pattern) { |
|
case QUESTION: |
|
case STAR: |
|
return 1; |
|
|
|
case QUOTE: |
|
if (quote && pattern[1] != '\0') |
|
++pattern; |
|
break; |
|
|
|
case LBRACKET: |
|
range = 1; |
|
break; |
|
|
|
case RBRACKET: |
|
if (range) |
|
return 1; |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
return 0; |
|
} |
|
#endif |
|
|
static DIR * |
static DIR * |
g_opendir(str, pglob) |
g_opendir(Char *str, glob_t *pglob) |
register Char *str; |
|
glob_t *pglob; |
|
{ |
{ |
char buf[MAXPATHLEN]; |
char buf[MAXPATHLEN]; |
|
|
|
_DIAGASSERT(str != NULL); |
|
_DIAGASSERT(pglob != NULL); |
|
|
if (!*str) |
if (!*str) |
strcpy(buf, "."); |
(void)strlcpy(buf, ".", sizeof(buf)); |
else |
else { |
g_Ctoc(str, buf); |
if (g_Ctoc(str, buf, sizeof(buf))) |
|
return NULL; |
|
} |
|
|
if (pglob->gl_flags & GLOB_ALTDIRFUNC) |
if (pglob->gl_flags & GLOB_ALTDIRFUNC) |
return((*pglob->gl_opendir)(buf)); |
return (*pglob->gl_opendir)(buf); |
|
|
return(opendir(buf)); |
return opendir(buf); |
} |
} |
|
|
static int |
static int |
g_lstat(fn, sb, pglob) |
g_lstat(Char *fn, __gl_stat_t *sb, glob_t *pglob) |
register Char *fn; |
|
struct stat *sb; |
|
glob_t *pglob; |
|
{ |
{ |
char buf[MAXPATHLEN]; |
char buf[MAXPATHLEN]; |
|
|
g_Ctoc(fn, buf); |
_DIAGASSERT(fn != NULL); |
|
_DIAGASSERT(sb != NULL); |
|
_DIAGASSERT(pglob != NULL); |
|
|
|
if (g_Ctoc(fn, buf, sizeof(buf))) |
|
return -1; |
if (pglob->gl_flags & GLOB_ALTDIRFUNC) |
if (pglob->gl_flags & GLOB_ALTDIRFUNC) |
return((*pglob->gl_lstat)(buf, sb)); |
return (*pglob->gl_lstat)(buf, sb); |
return(lstat(buf, sb)); |
return lstat(buf, sb); |
} |
} |
|
|
static int |
static int |
g_stat(fn, sb, pglob) |
g_stat(Char *fn, __gl_stat_t *sb, glob_t *pglob) |
register Char *fn; |
|
struct stat *sb; |
|
glob_t *pglob; |
|
{ |
{ |
char buf[MAXPATHLEN]; |
char buf[MAXPATHLEN]; |
|
|
g_Ctoc(fn, buf); |
_DIAGASSERT(fn != NULL); |
|
_DIAGASSERT(sb != NULL); |
|
_DIAGASSERT(pglob != NULL); |
|
|
|
if (g_Ctoc(fn, buf, sizeof(buf))) |
|
return -1; |
if (pglob->gl_flags & GLOB_ALTDIRFUNC) |
if (pglob->gl_flags & GLOB_ALTDIRFUNC) |
return((*pglob->gl_stat)(buf, sb)); |
return (*pglob->gl_stat)(buf, sb); |
return(stat(buf, sb)); |
return stat(buf, sb); |
} |
} |
|
|
static Char * |
static Char * |
g_strchr(str, ch) |
g_strchr(const Char *str, int ch) |
Char *str; |
|
int ch; |
|
{ |
{ |
|
|
|
_DIAGASSERT(str != NULL); |
|
|
do { |
do { |
if (*str == ch) |
if (*str == ch) |
return (str); |
return __UNCONST(str); |
} while (*str++); |
} while (*str++); |
return (NULL); |
return NULL; |
} |
} |
|
|
#ifdef notdef |
static int |
static Char * |
g_Ctoc(const Char *str, char *buf, size_t len) |
g_strcat(dst, src) |
|
Char *dst; |
|
const Char* src; |
|
{ |
{ |
Char *sdst = dst; |
char *dc; |
|
|
while (*dst++) |
|
continue; |
|
--dst; |
|
while((*dst++ = *src++) != EOS) |
|
continue; |
|
|
|
return (sdst); |
_DIAGASSERT(str != NULL); |
} |
_DIAGASSERT(buf != NULL); |
#endif |
|
|
|
static void |
if (len == 0) |
g_Ctoc(str, buf) |
return 1; |
register const Char *str; |
|
char *buf; |
|
{ |
|
register char *dc; |
|
|
|
for (dc = buf; (*dc++ = *str++) != EOS;) |
for (dc = buf; len && (*dc++ = *str++) != EOS; len--) |
continue; |
continue; |
|
|
|
return len == 0; |
} |
} |
|
|
#ifdef DEBUG |
#ifdef DEBUG |
static void |
static void |
qprintf(str, s) |
qprintf(const char *str, Char *s) |
const char *str; |
|
register Char *s; |
|
{ |
{ |
register Char *p; |
Char *p; |
|
|
|
_DIAGASSERT(str != NULL); |
|
_DIAGASSERT(s != NULL); |
|
|
(void)printf("%s:\n", str); |
(void)printf("%s:\n", str); |
for (p = s; *p; p++) |
for (p = s; *p; p++) |