version 1.23.4.2, 2011/04/24 15:41:10 |
version 1.31.8.2, 2013/06/23 06:21:05 |
Line 132 struct glob_limit { |
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Line 132 struct glob_limit { |
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#define M_MASK 0xffff |
#define M_MASK 0xffff |
#define M_ASCII 0x00ff |
#define M_ASCII 0x00ff |
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typedef u_short Char; |
typedef unsigned short Char; |
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#else |
#else |
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Line 167 static int glob0(const Char *, glob_t * |
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Line 167 static int glob0(const Char *, glob_t * |
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static int glob1(Char *, glob_t *, struct glob_limit *); |
static int glob1(Char *, glob_t *, struct glob_limit *); |
static int glob2(Char *, Char *, Char *, const Char *, glob_t *, |
static int glob2(Char *, Char *, Char *, const Char *, glob_t *, |
struct glob_limit *); |
struct glob_limit *); |
static int glob3(Char *, Char *, Char *, const Char *, const Char *, |
static int glob3(Char *, Char *, Char *, const Char *, const Char *, |
glob_t *, struct glob_limit *); |
const Char *, glob_t *, struct glob_limit *); |
static int globextend(const Char *, glob_t *, struct glob_limit *); |
static int globextend(const Char *, glob_t *, struct glob_limit *); |
static const Char *globtilde(const Char *, Char *, size_t, glob_t *); |
static const Char *globtilde(const Char *, Char *, size_t, glob_t *); |
static int globexp1(const Char *, glob_t *, struct glob_limit *); |
static int globexp1(const Char *, glob_t *, struct glob_limit *); |
Line 180 static void qprintf(const char *, Char |
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Line 180 static void qprintf(const char *, Char |
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#endif |
#endif |
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int |
int |
glob(const char *pattern, int flags, int (*errfunc)(const char *, int), |
glob(const char * __restrict pattern, int flags, int (*errfunc)(const char *, |
glob_t *pglob) |
int), glob_t * __restrict pglob) |
{ |
{ |
const u_char *patnext; |
const unsigned char *patnext; |
int c; |
int c; |
Char *bufnext, *bufend, patbuf[MAXPATHLEN+1]; |
Char *bufnext, *bufend, patbuf[MAXPATHLEN+1]; |
struct glob_limit limit = { 0, 0, 0, 0 }; |
struct glob_limit limit = { 0, 0, 0, 0 }; |
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_DIAGASSERT(pattern != NULL); |
_DIAGASSERT(pattern != NULL); |
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patnext = (const u_char *) pattern; |
patnext = (const unsigned 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 356 globexp2(const Char *ptr, const Char *pa |
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Line 356 globexp2(const Char *ptr, const Char *pa |
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/* Expand the current pattern */ |
/* Expand the current pattern */ |
#ifdef DEBUG |
#ifdef DEBUG |
qprintf("globexp2:", patbuf); |
qprintf("globexp2", patbuf); |
#endif |
#endif |
*rv = globexp1(patbuf, pglob, limit); |
*rv = globexp1(patbuf, pglob, limit); |
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Line 523 glob0(const Char *pattern, glob_t *pglob |
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Line 523 glob0(const Char *pattern, glob_t *pglob |
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break; |
break; |
case STAR: |
case STAR: |
pglob->gl_flags |= GLOB_MAGCHAR; |
pglob->gl_flags |= GLOB_MAGCHAR; |
/* collapse adjacent stars to one, |
/* collapse adjacent stars to one [or three if globstar] |
* to avoid exponential behavior |
* to avoid exponential behavior |
*/ |
*/ |
if (bufnext == patbuf || bufnext[-1] != M_ALL) |
if (bufnext == patbuf || bufnext[-1] != M_ALL || |
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((pglob->gl_flags & GLOB_STAR) != 0 && |
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(bufnext - 1 == patbuf || bufnext[-2] != M_ALL || |
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bufnext - 2 == patbuf || bufnext[-3] != M_ALL))) |
*bufnext++ = M_ALL; |
*bufnext++ = M_ALL; |
break; |
break; |
default: |
default: |
Line 536 glob0(const Char *pattern, glob_t *pglob |
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Line 539 glob0(const Char *pattern, glob_t *pglob |
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} |
} |
*bufnext = EOS; |
*bufnext = EOS; |
#ifdef DEBUG |
#ifdef DEBUG |
qprintf("glob0:", patbuf); |
qprintf("glob0", patbuf); |
#endif |
#endif |
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if ((error = glob1(patbuf, pglob, limit)) != 0) |
if ((error = glob1(patbuf, pglob, limit)) != 0) |
Line 609 glob2(Char *pathbuf, Char *pathend, Char |
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Line 612 glob2(Char *pathbuf, Char *pathend, Char |
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const Char *p; |
const Char *p; |
Char *q; |
Char *q; |
int anymeta; |
int anymeta; |
Char *pend; |
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ptrdiff_t diff; |
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_DIAGASSERT(pathbuf != NULL); |
_DIAGASSERT(pathbuf != NULL); |
_DIAGASSERT(pathend != NULL); |
_DIAGASSERT(pathend != NULL); |
_DIAGASSERT(pattern != NULL); |
_DIAGASSERT(pattern != NULL); |
_DIAGASSERT(pglob != NULL); |
_DIAGASSERT(pglob != NULL); |
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#ifdef DEBUG |
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qprintf("glob2", pathbuf); |
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#endif |
/* |
/* |
* Loop over pattern segments until end of pattern or until |
* Loop over pattern segments until end of pattern or until |
* segment with meta character found. |
* segment with meta character found. |
Line 659 glob2(Char *pathbuf, Char *pathend, Char |
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Line 663 glob2(Char *pathbuf, Char *pathend, Char |
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*q++ = *p++; |
*q++ = *p++; |
} |
} |
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/* |
if (!anymeta) { |
* No expansion, or path ends in slash-dot shash-dot-dot, |
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* do next segment. |
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*/ |
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if (pglob->gl_flags & GLOB_PERIOD) { |
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for (pend = pathend; pend > pathbuf && pend[-1] == '/'; |
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pend--) |
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continue; |
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diff = pend - pathbuf; |
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} else { |
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/* XXX: GCC */ |
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diff = 0; |
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pend = pathend; |
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} |
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if ((!anymeta) || |
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((pglob->gl_flags & GLOB_PERIOD) && |
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(diff >= 1 && pend[-1] == DOT) && |
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(diff >= 2 && (pend[-2] == SLASH || pend[-2] == DOT)) && |
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(diff < 3 || pend[-3] == SLASH))) { |
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pathend = q; |
pathend = q; |
pattern = p; |
pattern = p; |
while (*pattern == SEP) { |
while (*pattern == SEP) { |
Line 688 glob2(Char *pathbuf, Char *pathend, Char |
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Line 673 glob2(Char *pathbuf, Char *pathend, Char |
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} |
} |
} else /* Need expansion, recurse. */ |
} else /* Need expansion, recurse. */ |
return glob3(pathbuf, pathend, pathlim, pattern, p, |
return glob3(pathbuf, pathend, pathlim, pattern, p, |
pglob, limit); |
pattern, pglob, limit); |
} |
} |
/* NOTREACHED */ |
/* NOTREACHED */ |
} |
} |
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static int |
static int |
glob3(Char *pathbuf, Char *pathend, Char *pathlim, const Char *pattern, |
glob3(Char *pathbuf, Char *pathend, Char *pathlim, const Char *pattern, |
const Char *restpattern, glob_t *pglob, struct glob_limit *limit) |
const Char *restpattern, const Char *pglobstar, glob_t *pglob, |
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struct glob_limit *limit) |
{ |
{ |
struct dirent *dp; |
struct dirent *dp; |
DIR *dirp; |
DIR *dirp; |
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__gl_stat_t sbuf; |
int error; |
int error; |
char buf[MAXPATHLEN]; |
char buf[MAXPATHLEN]; |
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int globstar = 0; |
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int chase_symlinks = 0; |
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const Char *termstar = NULL; |
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/* |
/* |
* The readdirfunc declaration can't be prototyped, because it is |
* The readdirfunc declaration can't be prototyped, because it is |
Line 719 glob3(Char *pathbuf, Char *pathend, Char |
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Line 709 glob3(Char *pathbuf, Char *pathend, Char |
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*pathend = EOS; |
*pathend = EOS; |
errno = 0; |
errno = 0; |
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while (pglobstar < restpattern) { |
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if ((pglobstar[0] & M_MASK) == M_ALL && |
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(pglobstar[1] & M_MASK) == M_ALL) { |
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globstar = 1; |
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chase_symlinks = (pglobstar[2] & M_MASK) == M_ALL; |
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termstar = pglobstar + (2 + chase_symlinks); |
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break; |
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} |
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pglobstar++; |
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} |
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if (globstar) { |
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error = pglobstar == pattern && termstar == restpattern ? |
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*restpattern == EOS ? |
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glob2(pathbuf, pathend, pathlim, restpattern - 1, pglob, |
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limit) : |
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glob2(pathbuf, pathend, pathlim, restpattern + 1, pglob, |
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limit) : |
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glob3(pathbuf, pathend, pathlim, pattern, restpattern, |
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termstar, pglob, limit); |
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if (error) |
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return error; |
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*pathend = EOS; |
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} |
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if (*pathbuf && (g_lstat(pathbuf, &sbuf, pglob) || |
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!S_ISDIR(sbuf.st_mode) |
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#ifdef S_IFLINK |
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&& ((globstar && !chase_symlinks) || !S_ISLNK(sbuf.st_mode)) |
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#endif |
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)) |
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return 0; |
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if ((dirp = g_opendir(pathbuf, pglob)) == NULL) { |
if ((dirp = g_opendir(pathbuf, pglob)) == NULL) { |
if (pglob->gl_errfunc) { |
if (pglob->gl_errfunc) { |
if (g_Ctoc(pathbuf, buf, sizeof(buf))) |
if (g_Ctoc(pathbuf, buf, sizeof(buf))) |
Line 745 glob3(Char *pathbuf, Char *pathend, Char |
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Line 768 glob3(Char *pathbuf, Char *pathend, Char |
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if (pglob->gl_flags & GLOB_ALTDIRFUNC) |
if (pglob->gl_flags & GLOB_ALTDIRFUNC) |
readdirfunc = pglob->gl_readdir; |
readdirfunc = pglob->gl_readdir; |
else |
else |
readdirfunc = (struct dirent *(*)__P((void *))) readdir; |
readdirfunc = (struct dirent *(*)(void *)) readdir; |
while ((dp = (*readdirfunc)(dirp)) != NULL) { |
while ((dp = (*readdirfunc)(dirp)) != NULL) { |
u_char *sc; |
unsigned char *sc; |
Char *dc; |
Char *dc; |
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if ((pglob->gl_flags & GLOB_LIMIT) && |
if ((pglob->gl_flags & GLOB_LIMIT) && |
Line 755 glob3(Char *pathbuf, Char *pathend, Char |
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Line 778 glob3(Char *pathbuf, Char *pathend, Char |
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errno = 0; |
errno = 0; |
*pathend++ = SEP; |
*pathend++ = SEP; |
*pathend = EOS; |
*pathend = EOS; |
return GLOB_NOSPACE; |
error = GLOB_NOSPACE; |
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break; |
} |
} |
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/* |
/* |
Line 777 glob3(Char *pathbuf, Char *pathend, Char |
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Line 801 glob3(Char *pathbuf, Char *pathend, Char |
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* The resulting string contains EOS, so we can |
* The resulting string contains EOS, so we can |
* use the pathlim character, if it is the nul |
* use the pathlim character, if it is the nul |
*/ |
*/ |
for (sc = (u_char *) dp->d_name, dc = pathend; |
for (sc = (unsigned char *) dp->d_name, dc = pathend; |
dc <= pathlim && (*dc++ = *sc++) != EOS;) |
dc <= pathlim && (*dc++ = *sc++) != EOS;) |
continue; |
continue; |
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Line 800 glob3(Char *pathbuf, Char *pathend, Char |
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Line 824 glob3(Char *pathbuf, Char *pathend, Char |
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} |
} |
} |
} |
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if (!match(pathend, pattern, restpattern)) { |
if (globstar) { |
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#ifdef S_IFLNK |
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if (!chase_symlinks && |
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(g_lstat(pathbuf, &sbuf, pglob) || |
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S_ISLNK(sbuf.st_mode))) |
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continue; |
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#endif |
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if (!match(pathend, pattern, termstar)) |
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continue; |
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if (--dc < pathlim - 2) |
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*dc++ = SEP; |
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*dc = EOS; |
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error = glob2(pathbuf, dc, pathlim, pglobstar, |
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pglob, limit); |
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if (error) |
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break; |
*pathend = EOS; |
*pathend = EOS; |
continue; |
} else { |
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if (!match(pathend, pattern, restpattern)) { |
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*pathend = EOS; |
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continue; |
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} |
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error = glob2(pathbuf, --dc, pathlim, restpattern, |
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pglob, limit); |
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if (error) |
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break; |
} |
} |
error = glob2(pathbuf, --dc, pathlim, restpattern, pglob, |
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limit); |
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if (error) |
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break; |
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} |
} |
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if (pglob->gl_flags & GLOB_ALTDIRFUNC) |
if (pglob->gl_flags & GLOB_ALTDIRFUNC) |
(*pglob->gl_closedir)(dirp); |
(*pglob->gl_closedir)(dirp); |
else |
else |
Line 909 match(const Char *name, const Char *pat, |
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Line 953 match(const Char *name, const Char *pat, |
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c = *pat++; |
c = *pat++; |
switch (c & M_MASK) { |
switch (c & M_MASK) { |
case M_ALL: |
case M_ALL: |
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while (pat < patend && (*pat & M_MASK) == M_ALL) |
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pat++; /* eat consecutive '*' */ |
if (pat == patend) |
if (pat == patend) |
return 1; |
return 1; |
do |
for (; !match(name, pat, patend); name++) |
if (match(name, pat, patend)) |
if (*name == EOS) |
return 1; |
return 0; |
while (*name++ != EOS); |
return 1; |
return 0; |
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case M_ONE: |
case M_ONE: |
if (*name++ == EOS) |
if (*name++ == EOS) |
return 0; |
return 0; |
Line 965 globfree(glob_t *pglob) |
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Line 1010 globfree(glob_t *pglob) |
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} |
} |
} |
} |
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#ifndef __LIBC12_SOURCE__ |
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int |
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glob_pattern_p(const char *pattern, int quote) |
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{ |
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int range = 0; |
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for (; *pattern; pattern++) |
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switch (*pattern) { |
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case QUESTION: |
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case STAR: |
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return 1; |
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case QUOTE: |
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if (quote && pattern[1] != EOS) |
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++pattern; |
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break; |
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case LBRACKET: |
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range = 1; |
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break; |
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case RBRACKET: |
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if (range) |
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return 1; |
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break; |
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default: |
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break; |
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} |
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return 0; |
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} |
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#endif |
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static DIR * |
static DIR * |
g_opendir(Char *str, glob_t *pglob) |
g_opendir(Char *str, glob_t *pglob) |
{ |
{ |