#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)glob.c 8.3 (Berkeley) 10/13/93";
+/* most changes between the version above and the one below have been ported:
+static char sscsid[]= "$OpenBSD: glob.c,v 1.8.10.1 2001/04/10 jason Exp $";
+ */
#endif /* LIBC_SCCS and not lint */
/*
#ifdef I_PWD
# include <pwd.h>
#else
-#ifdef HAS_PASSWD
+#if defined(HAS_PASSWD) && !defined(VMS)
struct passwd *getpwnam(char *);
struct passwd *getpwuid(Uid_t);
#endif
# endif
#endif
+#ifdef I_LIMITS
+#include <limits.h>
+#endif
+
+#ifndef ARG_MAX
+# ifdef MACOS_TRADITIONAL
+# define ARG_MAX 65536 /* Mac OS is actually unlimited */
+# else
+# ifdef _SC_ARG_MAX
+# define ARG_MAX (sysconf(_SC_ARG_MAX))
+# else
+# ifdef _POSIX_ARG_MAX
+# define ARG_MAX _POSIX_ARG_MAX
+# else
+# ifdef WIN32
+# define ARG_MAX 14500 /* from VC's limits.h */
+# else
+# define ARG_MAX 4096 /* from POSIX, be conservative */
+# endif
+# endif
+# endif
+# endif
+#endif
+
#define BG_DOLLAR '$'
#define BG_DOT '.'
#define BG_EOS '\0'
static int compare(const void *, const void *);
static int ci_compare(const void *, const void *);
-static void g_Ctoc(const Char *, char *);
+static int g_Ctoc(const Char *, char *, STRLEN);
static int g_lstat(Char *, Stat_t *, glob_t *);
static DIR *g_opendir(Char *, glob_t *);
static Char *g_strchr(Char *, int);
-#ifdef notdef
-static Char *g_strcat(Char *, const Char *);
-#endif
static int g_stat(Char *, Stat_t *, glob_t *);
static int glob0(const Char *, glob_t *);
-static int glob1(Char *, glob_t *);
-static int glob2(Char *, Char *, Char *, glob_t *);
-static int glob3(Char *, Char *, Char *, Char *, glob_t *);
-static int globextend(const Char *, glob_t *);
-static const Char * globtilde(const Char *, Char *, glob_t *);
+static int glob1(Char *, Char *, glob_t *, size_t *);
+static int glob2(Char *, Char *, Char *, Char *, Char *, Char *,
+ glob_t *, size_t *);
+static int glob3(Char *, Char *, Char *, Char *, Char *, Char *,
+ Char *, Char *, glob_t *, size_t *);
+static int globextend(const Char *, glob_t *, size_t *);
+static const Char *
+ globtilde(const Char *, Char *, size_t, glob_t *);
static int globexp1(const Char *, glob_t *);
static int globexp2(const Char *, const Char *, glob_t *, int *);
static int match(Char *, Char *, Char *, int);
static Direntry_t *
my_readdir(DIR *d)
{
+#ifndef NETWARE
return PerlDir_read(d);
+#else
+ return (DIR *)PerlDir_read(d);
+#endif
}
#else
-#define my_readdir readdir
+
+/* ReliantUNIX (OS formerly known as SINIX) defines readdir
+ * in LFS-mode to be a 64-bit version of readdir. */
+
+# ifdef sinix
+static Direntry_t * my_readdir(DIR*);
+
+static Direntry_t *
+my_readdir(DIR *d)
+{
+ return readdir(d);
+}
+# else
+
+# define my_readdir readdir
+
+# endif
+
+#endif
+
+#ifdef MACOS_TRADITIONAL
+#include <Files.h>
+#include <Types.h>
+#include <string.h>
+
+#define NO_UPDIR_ERR 1 /* updir resolving failed */
+
+static Boolean g_matchVol; /* global variable */
+static short updir(char *path);
+static short resolve_updirs(char *new_pattern);
+static void remove_trColon(char *path);
+static short glob_mark_Mac(Char *pathbuf, Char *pathend, Char *pathend_last);
+static OSErr GetVolInfo(short volume, Boolean indexed, FSSpec *spec);
+static void name_f_FSSpec(StrFileName volname, FSSpec *spec);
+
#endif
int
{
const U8 *patnext;
int c;
- Char *bufnext, *bufend, patbuf[MAXPATHLEN+1];
+ Char *bufnext, *bufend, patbuf[MAXPATHLEN];
+
+#ifdef MACOS_TRADITIONAL
+ char *new_pat, *p, *np;
+ int err;
+ size_t len;
+#endif
+#ifndef MACOS_TRADITIONAL
patnext = (U8 *) pattern;
+#endif
+ /* TODO: GLOB_APPEND / GLOB_DOOFFS aren't supported yet */
+#if 0
if (!(flags & GLOB_APPEND)) {
pglob->gl_pathc = 0;
pglob->gl_pathv = NULL;
if (!(flags & GLOB_DOOFFS))
pglob->gl_offs = 0;
}
+#else
+ pglob->gl_pathc = 0;
+ pglob->gl_pathv = NULL;
+ pglob->gl_offs = 0;
+#endif
pglob->gl_flags = flags & ~GLOB_MAGCHAR;
pglob->gl_errfunc = errfunc;
pglob->gl_matchc = 0;
bufnext = patbuf;
- bufend = bufnext + MAXPATHLEN;
+ bufend = bufnext + MAXPATHLEN - 1;
#ifdef DOSISH
/* Nasty hack to treat patterns like "C:*" correctly. In this
* case, the * should match any file in the current directory
* colon specially, so it looks for files beginning "C:" in
* the current directory. To fix this, change the pattern to
* add an explicit "./" at the start (just after the drive
- * letter and colon - ie change to "C:./*").
+ * letter and colon - ie change to "C:./").
*/
if (isalpha(pattern[0]) && pattern[1] == ':' &&
pattern[2] != BG_SEP && pattern[2] != BG_SEP2 &&
patnext += 2;
}
#endif
+
+#ifdef MACOS_TRADITIONAL
+ /* Check if we need to match a volume name (e.g. '*HD:*') */
+ g_matchVol = false;
+ p = (char *) pattern;
+ if (*p != BG_SEP) {
+ p++;
+ while (*p != BG_EOS) {
+ if (*p == BG_SEP) {
+ g_matchVol = true;
+ break;
+ }
+ p++;
+ }
+ }
+
+ /* Transform the pattern:
+ * (a) Resolve updirs, e.g.
+ * '*:t*p::' -> '*:'
+ * ':a*:tmp::::' -> '::'
+ * ':base::t*p:::' -> '::'
+ * '*HD::' -> return 0 (error, quit silently)
+ *
+ * (b) Remove a single trailing ':', unless it's a "match volume only"
+ * pattern like '*HD:'; e.g.
+ * '*:tmp:' -> '*:tmp' but
+ * '*HD:' -> '*HD:'
+ * (If we don't do that, even filenames will have a trailing ':' in
+ * the result.)
+ */
+
+ /* We operate on a copy of the pattern */
+ len = strlen(pattern);
+ Newx(new_pat, len + 1, char);
+ if (new_pat == NULL)
+ return (GLOB_NOSPACE);
+
+ p = (char *) pattern;
+ np = new_pat;
+ while (*np++ = *p++) ;
+
+ /* Resolve updirs ... */
+ err = resolve_updirs(new_pat);
+ if (err) {
+ Safefree(new_pat);
+ /* The pattern is incorrect: tried to move
+ up above the volume root, see above.
+ We quit silently. */
+ return 0;
+ }
+ /* remove trailing colon ... */
+ remove_trColon(new_pat);
+ patnext = (U8 *) new_pat;
+
+#endif /* MACOS_TRADITIONAL */
+
if (flags & GLOB_QUOTE) {
/* Protect the quoted characters. */
while (bufnext < bufend && (c = *patnext++) != BG_EOS)
--patnext;
}
*bufnext++ = c | M_PROTECT;
- }
- else
+ } else
*bufnext++ = c;
- }
- else
- while (bufnext < bufend && (c = *patnext++) != BG_EOS)
- *bufnext++ = c;
+ } else
+ while (bufnext < bufend && (c = *patnext++) != BG_EOS)
+ *bufnext++ = c;
*bufnext = BG_EOS;
+#ifdef MACOS_TRADITIONAL
+ if (flags & GLOB_BRACE)
+ err = globexp1(patbuf, pglob);
+ else
+ err = glob0(patbuf, pglob);
+ Safefree(new_pat);
+ return err;
+#else
if (flags & GLOB_BRACE)
return globexp1(patbuf, pglob);
else
return glob0(patbuf, pglob);
+#endif
}
/*
* invoke the standard globbing routine to glob the rest of the magic
* characters
*/
-static int globexp1(const Char *pattern, glob_t *pglob)
+static int
+globexp1(const Char *pattern, glob_t *pglob)
{
const Char* ptr = pattern;
int rv;
* 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(const Char *ptr, const Char *pattern,
- glob_t *pglob, int *rv)
+static int
+globexp2(const Char *ptr, const Char *pattern,
+ glob_t *pglob, int *rv)
{
int i;
Char *lm, *ls;
const Char *pe, *pm, *pl;
- Char patbuf[MAXPATHLEN + 1];
+ Char patbuf[MAXPATHLEN];
/* copy part up to the brace */
for (lm = patbuf, pm = pattern; pm != ptr; *lm++ = *pm++)
- continue;
+ ;
+ *lm = BG_EOS;
ls = lm;
/* Find the balanced brace */
if (*pe == BG_LBRACKET) {
/* Ignore everything between [] */
for (pm = pe++; *pe != BG_RBRACKET && *pe != BG_EOS; pe++)
- continue;
+ ;
if (*pe == BG_EOS) {
/*
* We could not find a matching BG_RBRACKET.
*/
pe = pm;
}
- }
- else if (*pe == BG_LBRACE)
+ } else if (*pe == BG_LBRACE)
i++;
else if (*pe == BG_RBRACE) {
if (i == 0)
return 0;
}
- for (i = 0, pl = pm = ptr; pm <= pe; pm++)
+ for (i = 0, pl = pm = ptr; pm <= pe; pm++) {
switch (*pm) {
case BG_LBRACKET:
/* Ignore everything between [] */
for (pl = pm++; *pm != BG_RBRACKET && *pm != BG_EOS; pm++)
- continue;
+ ;
if (*pm == BG_EOS) {
/*
* We could not find a matching BG_RBRACKET.
case BG_RBRACE:
if (i) {
- i--;
- break;
+ i--;
+ break;
}
/* FALLTHROUGH */
case BG_COMMA:
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++) != BG_EOS;)
- continue;
+ for (pl = pe + 1; (*lm++ = *pl++) != BG_EOS; )
+ ;
/* Expand the current pattern */
#ifdef GLOB_DEBUG
default:
break;
}
+ }
*rv = 0;
return 0;
}
* expand tilde from the passwd file.
*/
static const Char *
-globtilde(const Char *pattern, Char *patbuf, glob_t *pglob)
+globtilde(const Char *pattern, Char *patbuf, size_t patbuf_len, glob_t *pglob)
{
- struct passwd *pwd;
char *h;
const Char *p;
- Char *b;
+ Char *b, *eb;
if (*pattern != BG_TILDE || !(pglob->gl_flags & GLOB_TILDE))
return pattern;
/* Copy up to the end of the string or / */
- for (p = pattern + 1, h = (char *) patbuf; *p && *p != BG_SLASH;
- *h++ = *p++)
- continue;
+ eb = &patbuf[patbuf_len - 1];
+ for (p = pattern + 1, h = (char *) patbuf;
+ h < (char*)eb && *p && *p != BG_SLASH; *h++ = (char)*p++)
+ ;
*h = BG_EOS;
+#if 0
+ if (h == (char *)eb)
+ return what;
+#endif
+
if (((char *) patbuf)[0] == BG_EOS) {
/*
* handle a plain ~ or ~/ by expanding $HOME
*/
if ((h = getenv("HOME")) == NULL) {
#ifdef HAS_PASSWD
+ struct passwd *pwd;
if ((pwd = getpwuid(getuid())) == NULL)
return pattern;
else
return pattern;
#endif
}
- }
- else {
+ } else {
/*
* Expand a ~user
*/
#ifdef HAS_PASSWD
+ struct passwd *pwd;
if ((pwd = getpwnam((char*) patbuf)) == NULL)
return pattern;
else
}
/* Copy the home directory */
- for (b = patbuf; *h; *b++ = *h++)
- continue;
+ for (b = patbuf; b < eb && *h; *b++ = *h++)
+ ;
/* Append the rest of the pattern */
- while ((*b++ = *p++) != BG_EOS)
- continue;
+ while (b < eb && (*b++ = *p++) != BG_EOS)
+ ;
+ *b = BG_EOS;
return patbuf;
}
{
const Char *qpat, *qpatnext;
int c, err, oldflags, oldpathc;
- Char *bufnext, patbuf[MAXPATHLEN+1];
+ Char *bufnext, patbuf[MAXPATHLEN];
+ size_t limit = 0;
#ifdef MACOS_TRADITIONAL
if ( (*pattern == BG_TILDE) && (pglob->gl_flags & GLOB_TILDE) ) {
- return(globextend(pattern, pglob));
+ return(globextend(pattern, pglob, &limit));
}
#endif
- qpat = globtilde(pattern, patbuf, pglob);
+ qpat = globtilde(pattern, patbuf, MAXPATHLEN, pglob);
qpatnext = qpat;
oldflags = pglob->gl_flags;
oldpathc = pglob->gl_pathc;
* to avoid exponential behavior
*/
if (bufnext == patbuf || bufnext[-1] != M_ALL)
- *bufnext++ = M_ALL;
+ *bufnext++ = M_ALL;
break;
default:
*bufnext++ = CHAR(c);
qprintf("glob0:", patbuf);
#endif /* GLOB_DEBUG */
- if ((err = glob1(patbuf, pglob)) != 0) {
+ if ((err = glob1(patbuf, patbuf+MAXPATHLEN-1, pglob, &limit)) != 0) {
pglob->gl_flags = oldflags;
return(err);
}
printf("calling globextend from glob0\n");
#endif /* GLOB_DEBUG */
pglob->gl_flags = oldflags;
- return(globextend(qpat, pglob));
+ return(globextend(qpat, pglob, &limit));
}
else if (!(pglob->gl_flags & GLOB_NOSORT))
qsort(pglob->gl_pathv + pglob->gl_offs + oldpathc,
- pglob->gl_pathc - oldpathc, sizeof(char *),
+ pglob->gl_pathc - oldpathc, sizeof(char *),
(pglob->gl_flags & (GLOB_ALPHASORT|GLOB_NOCASE))
? ci_compare : compare);
pglob->gl_flags = oldflags;
static int
ci_compare(const void *p, const void *q)
{
- const char *pp = *(const char **)p;
- const char *qq = *(const char **)q;
- int ci;
- while (*pp && *qq) {
- if (tolower(*pp) != tolower(*qq))
- break;
- ++pp;
- ++qq;
- }
- ci = tolower(*pp) - tolower(*qq);
- if (ci == 0)
- return compare(p, q);
- return ci;
+ const char *pp = *(const char **)p;
+ const char *qq = *(const char **)q;
+ int ci;
+ while (*pp && *qq) {
+ if (toLOWER(*pp) != toLOWER(*qq))
+ break;
+ ++pp;
+ ++qq;
+ }
+ ci = toLOWER(*pp) - toLOWER(*qq);
+ if (ci == 0)
+ return compare(p, q);
+ return ci;
}
static int
}
static int
-glob1(Char *pattern, glob_t *pglob)
+glob1(Char *pattern, Char *pattern_last, glob_t *pglob, size_t *limitp)
{
- Char pathbuf[MAXPATHLEN+1];
+ Char pathbuf[MAXPATHLEN];
/* A null pathname is invalid -- POSIX 1003.1 sect. 2.4. */
if (*pattern == BG_EOS)
return(0);
- return(glob2(pathbuf, pathbuf, pattern, pglob));
+ return(glob2(pathbuf, pathbuf+MAXPATHLEN-1,
+ pathbuf, pathbuf+MAXPATHLEN-1,
+ pattern, pattern_last, pglob, limitp));
}
/*
* meta characters.
*/
static int
-glob2(Char *pathbuf, Char *pathend, Char *pattern, glob_t *pglob)
+glob2(Char *pathbuf, Char *pathbuf_last, Char *pathend, Char *pathend_last,
+ Char *pattern, Char *pattern_last, glob_t *pglob, size_t *limitp)
{
Stat_t sb;
Char *p, *q;
for (anymeta = 0;;) {
if (*pattern == BG_EOS) { /* End of pattern? */
*pathend = BG_EOS;
-
if (g_lstat(pathbuf, &sb, pglob))
return(0);
#ifdef DOSISH
&& pathend[-1] != BG_SEP2
#endif
- ) && (S_ISDIR(sb.st_mode)
- || (S_ISLNK(sb.st_mode) &&
+ ) && (S_ISDIR(sb.st_mode) ||
+ (S_ISLNK(sb.st_mode) &&
(g_stat(pathbuf, &sb, pglob) == 0) &&
S_ISDIR(sb.st_mode)))) {
+#ifdef MACOS_TRADITIONAL
+ short err;
+ err = glob_mark_Mac(pathbuf, pathend, pathend_last);
+ if (err)
+ return (err);
+#else
+ if (pathend+1 > pathend_last)
+ return (1);
*pathend++ = BG_SEP;
*pathend = BG_EOS;
+#endif
}
++pglob->gl_matchc;
#ifdef GLOB_DEBUG
printf("calling globextend from glob2\n");
#endif /* GLOB_DEBUG */
- return(globextend(pathbuf, pglob));
+ return(globextend(pathbuf, pglob, limitp));
}
/* Find end of next segment, copy tentatively to pathend. */
) {
if (ismeta(*p))
anymeta = 1;
+ if (q+1 > pathend_last)
+ return (1);
*q++ = *p++;
}
#ifdef DOSISH
|| *pattern == BG_SEP2
#endif
- )
+ ) {
+ if (pathend+1 > pathend_last)
+ return (1);
*pathend++ = *pattern++;
- } else /* Need expansion, recurse. */
- return(glob3(pathbuf, pathend, pattern, p, pglob));
+ }
+ } else
+ /* Need expansion, recurse. */
+ return(glob3(pathbuf, pathbuf_last, pathend,
+ pathend_last, pattern, pattern_last,
+ p, pattern_last, pglob, limitp));
}
/* NOTREACHED */
}
static int
-glob3(Char *pathbuf, Char *pathend, Char *pattern,
- Char *restpattern, glob_t *pglob)
+glob3(Char *pathbuf, Char *pathbuf_last, Char *pathend, Char *pathend_last,
+ Char *pattern, Char *pattern_last,
+ Char *restpattern, Char *restpattern_last, glob_t *pglob, size_t *limitp)
{
register Direntry_t *dp;
DIR *dirp;
*/
Direntry_t *(*readdirfunc)(DIR*);
+ if (pathend > pathend_last)
+ return (1);
*pathend = BG_EOS;
errno = 0;
#ifdef VMS
{
- Char *q = pathend;
- if (q - pathbuf > 5) {
- q -= 5;
- if (q[0] == '.' && tolower(q[1]) == 'd' && tolower(q[2]) == 'i'
- && tolower(q[3]) == 'r' && q[4] == '/')
- {
- q[0] = '/';
- q[1] = BG_EOS;
- pathend = q+1;
- }
- }
+ Char *q = pathend;
+ if (q - pathbuf > 5) {
+ q -= 5;
+ if (q[0] == '.' &&
+ tolower(q[1]) == 'd' && tolower(q[2]) == 'i' &&
+ tolower(q[3]) == 'r' && q[4] == '/')
+ {
+ q[0] = '/';
+ q[1] = BG_EOS;
+ pathend = q+1;
+ }
+ }
}
#endif
+
+#ifdef MACOS_TRADITIONAL
+ if ((!*pathbuf) && (g_matchVol)) {
+ FSSpec spec;
+ short index;
+ StrFileName vol_name; /* unsigned char[64] on MacOS */
+
+ err = 0;
+ nocase = ((pglob->gl_flags & GLOB_NOCASE) != 0);
+
+ /* Get and match a list of volume names */
+ for (index = 0; !GetVolInfo(index+1, true, &spec); ++index) {
+ register U8 *sc;
+ register Char *dc;
+
+ name_f_FSSpec(vol_name, &spec);
+
+ /* Initial BG_DOT must be matched literally. */
+ if (*vol_name == BG_DOT && *pattern != BG_DOT)
+ continue;
+ dc = pathend;
+ sc = (U8 *) vol_name;
+ while (dc < pathend_last && (*dc++ = *sc++) != BG_EOS)
+ ;
+ if (dc >= pathend_last) {
+ *dc = BG_EOS;
+ err = 1;
+ break;
+ }
+
+ if (!match(pathend, pattern, restpattern, nocase)) {
+ *pathend = BG_EOS;
+ continue;
+ }
+ err = glob2(pathbuf, pathbuf_last, --dc, pathend_last,
+ restpattern, restpattern_last, pglob, limitp);
+ if (err)
+ break;
+ }
+ return(err);
+
+ } else { /* open dir */
+#endif /* MACOS_TRADITIONAL */
+
if ((dirp = g_opendir(pathbuf, pglob)) == NULL) {
/* TODO: don't call for ENOENT or ENOTDIR? */
if (pglob->gl_errfunc) {
- g_Ctoc(pathbuf, buf);
+ if (g_Ctoc(pathbuf, buf, sizeof(buf)))
+ return (GLOB_ABEND);
if (pglob->gl_errfunc(buf, errno) ||
(pglob->gl_flags & GLOB_ERR))
return (GLOB_ABEND);
/* Search directory for matching names. */
if (pglob->gl_flags & GLOB_ALTDIRFUNC)
- readdirfunc = (Direntry_t *(*)(DIR *))pglob->gl_readdir;
+ readdirfunc = (Direntry_t *(*)(DIR *))pglob->gl_readdir;
else
readdirfunc = my_readdir;
while ((dp = (*readdirfunc)(dirp))) {
/* Initial BG_DOT must be matched literally. */
if (dp->d_name[0] == BG_DOT && *pattern != BG_DOT)
continue;
- for (sc = (U8 *) dp->d_name, dc = pathend;
- (*dc++ = *sc++) != BG_EOS;)
- continue;
+ dc = pathend;
+ sc = (U8 *) dp->d_name;
+ while (dc < pathend_last && (*dc++ = *sc++) != BG_EOS)
+ ;
+ if (dc >= pathend_last) {
+ *dc = BG_EOS;
+ err = 1;
+ break;
+ }
+
if (!match(pathend, pattern, restpattern, nocase)) {
*pathend = BG_EOS;
continue;
}
- err = glob2(pathbuf, --dc, restpattern, pglob);
+ err = glob2(pathbuf, pathbuf_last, --dc, pathend_last,
+ restpattern, restpattern_last, pglob, limitp);
if (err)
break;
}
else
PerlDir_close(dirp);
return(err);
+
+#ifdef MACOS_TRADITIONAL
+ }
+#endif
}
* gl_pathv points to (gl_offs + gl_pathc + 1) items.
*/
static int
-globextend(const Char *path, glob_t *pglob)
+globextend(const Char *path, glob_t *pglob, size_t *limitp)
{
register char **pathv;
register int i;
+ STRLEN newsize, len;
char *copy;
const Char *p;
printf("\n");
#endif /* GLOB_DEBUG */
+ newsize = sizeof(*pathv) * (2 + pglob->gl_pathc + pglob->gl_offs);
if (pglob->gl_pathv)
- pathv = Renew(pglob->gl_pathv,
- (2 + pglob->gl_pathc + pglob->gl_offs),char*);
+ pathv = Renew(pglob->gl_pathv,newsize,char*);
else
- New(0,pathv,(2 + pglob->gl_pathc + pglob->gl_offs),char*);
- if (pathv == NULL)
+ Newx(pathv,newsize,char*);
+ if (pathv == NULL) {
+ if (pglob->gl_pathv) {
+ Safefree(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 */
pglob->gl_pathv = pathv;
for (p = path; *p++;)
- continue;
- New(0, copy, p-path, char);
+ ;
+ len = (STRLEN)(p - path);
+ *limitp += len;
+ Newx(copy, p-path, char);
if (copy != NULL) {
- g_Ctoc(path, copy);
+ if (g_Ctoc(path, copy, len)) {
+ Safefree(copy);
+ return(GLOB_NOSPACE);
+ }
pathv[pglob->gl_offs + pglob->gl_pathc++] = copy;
}
pathv[pglob->gl_offs + pglob->gl_pathc] = NULL;
+
+ if ((pglob->gl_flags & GLOB_LIMIT) &&
+ newsize + *limitp >= ARG_MAX) {
+ errno = 0;
+ return(GLOB_NOSPACE);
+ }
+
return(copy == NULL ? GLOB_NOSPACE : 0);
}
do
if (match(name, pat, patend, nocase))
return(1);
- while (*name++ != BG_EOS);
+ while (*name++ != BG_EOS)
+ ;
return(0);
case M_ONE:
if (*name++ == BG_EOS)
if (*pp)
Safefree(*pp);
Safefree(pglob->gl_pathv);
+ pglob->gl_pathv = NULL;
}
}
strcpy(buf, ".");
#endif
} else {
- g_Ctoc(str, buf);
+ if (g_Ctoc(str, buf, sizeof(buf)))
+ return(NULL);
}
if (pglob->gl_flags & GLOB_ALTDIRFUNC)
return((*pglob->gl_opendir)(buf));
- else
- return(PerlDir_open(buf));
+
+ return(PerlDir_open(buf));
}
static int
{
char buf[MAXPATHLEN];
- g_Ctoc(fn, buf);
+ if (g_Ctoc(fn, buf, sizeof(buf)))
+ return(-1);
if (pglob->gl_flags & GLOB_ALTDIRFUNC)
return((*pglob->gl_lstat)(buf, sb));
#ifdef HAS_LSTAT
{
char buf[MAXPATHLEN];
- g_Ctoc(fn, buf);
+ if (g_Ctoc(fn, buf, sizeof(buf)))
+ return(-1);
if (pglob->gl_flags & GLOB_ALTDIRFUNC)
return((*pglob->gl_stat)(buf, sb));
return(PerlLIO_stat(buf, sb));
return (NULL);
}
-#ifdef notdef
-static Char *
-g_strcat(Char *dst, const Char *src)
-{
- Char *sdst = dst;
-
- while (*dst++)
- continue;
- --dst;
- while((*dst++ = *src++) != BG_EOS)
- continue;
-
- return (sdst);
-}
-#endif
-
-static void
-g_Ctoc(register const Char *str, char *buf)
+static int
+g_Ctoc(register const Char *str, char *buf, STRLEN len)
{
- register char *dc;
-
- for (dc = buf; (*dc++ = *str++) != BG_EOS;)
- continue;
+ while (len--) {
+ if ((*buf++ = (char)*str++) == BG_EOS)
+ return (0);
+ }
+ return (1);
}
#ifdef GLOB_DEBUG
(void)printf("\n");
}
#endif /* GLOB_DEBUG */
+
+
+#ifdef MACOS_TRADITIONAL
+
+/* Replace the last occurrence of the pattern ":[^:]+::", e.g. ":lib::",
+ with a single ':', if possible. It is not an error, if the pattern
+ doesn't match (we return -1), but if there are two consecutive colons
+ '::', there must be a preceding ':[^:]+'. Hence, a volume path like
+ "HD::" is considered to be an error (we return 1), that is, it can't
+ be resolved. We return 0 on success.
+*/
+
+static short
+updir(char *path)
+{
+ char *pb, *pe, *lastchar;
+ char *bgn_mark, *end_mark;
+ char *f, *m, *b; /* front, middle, back */
+ size_t len;
+
+ len = strlen(path);
+ lastchar = path + (len-1);
+ b = lastchar;
+ m = lastchar-1;
+ f = lastchar-2;
+
+ /* find a '[^:]::' (e.g. b::) pattern ... */
+ while ( !( (*f != BG_SEP) && (*m == BG_SEP) && (*b == BG_SEP) )
+ && (f >= path)) {
+ f--;
+ m--;
+ b--;
+ }
+
+ if (f < path) { /* no (more) match */
+ return -1;
+ }
+
+ end_mark = b;
+
+ /* ... and now find its preceding colon ':' */
+ while ((*f != BG_SEP) && (f >= path)) {
+ f--;
+ }
+ if (f < path) {
+ /* No preceding colon found, must be a
+ volume path. We can't move up the
+ tree and that's an error */
+ return 1;
+ }
+ bgn_mark = f;
+
+ /* Shrink path, i.e. exclude all characters between
+ bgn_mark and end_mark */
+
+ pb = bgn_mark;
+ pe = end_mark;
+ while (*pb++ = *pe++) ;
+ return 0;
+}
+
+
+/* Resolve all updirs in pattern. */
+
+static short
+resolve_updirs(char *new_pattern)
+{
+ short err;
+
+ do {
+ err = updir(new_pattern);
+ } while (!err);
+ if (err == 1) {
+ return NO_UPDIR_ERR;
+ }
+ return 0;
+}
+
+
+/* Remove a trailing colon from the path, but only if it's
+ not a volume path (e.g. HD:) and not a path consisting
+ solely of colons. */
+
+static void
+remove_trColon(char *path)
+{
+ char *lastchar, *lc;
+
+ /* if path matches the pattern /:[^:]+:$/, we can
+ remove the trailing ':' */
+
+ lc = lastchar = path + (strlen(path) - 1);
+ if (*lastchar == BG_SEP) {
+ /* there's a trailing ':', there must be at least
+ one preceding char != ':' and a preceding ':' */
+ lc--;
+ if ((*lc != BG_SEP) && (lc >= path)) {
+ lc--;
+ } else {
+ return;
+ }
+ while ((*lc != BG_SEP) && (lc >= path)) {
+ lc--;
+ }
+ if (lc >= path) {
+ /* ... there's a preceding ':', we remove
+ the trailing colon */
+ *lastchar = BG_EOS;
+ }
+ }
+}
+
+
+/* With the GLOB_MARK flag on, we append a colon, if pathbuf
+ is a directory. If the directory name contains no colons,
+ e.g. 'lib', we can't simply append a ':', since this (e.g.
+ 'lib:') is not a valid (relative) path on Mac OS. Instead,
+ we add a leading _and_ trailing ':'. */
+
+static short
+glob_mark_Mac(Char *pathbuf, Char *pathend, Char *pathend_last)
+{
+ Char *p, *pe;
+ Boolean is_file = true;
+
+ /* check if pathbuf contains a ':',
+ i.e. is not a file name */
+ p = pathbuf;
+ while (*p != BG_EOS) {
+ if (*p == BG_SEP) {
+ is_file = false;
+ break;
+ }
+ p++;
+ }
+
+ if (is_file) {
+ if (pathend+2 > pathend_last) {
+ return (1);
+ }
+ /* right shift one char */
+ pe = p = pathend;
+ p--;
+ pathend++;
+ while (p >= pathbuf) {
+ *pe-- = *p--;
+ }
+ /* first char becomes a colon */
+ *pathbuf = BG_SEP;
+ /* append a colon */
+ *pathend++ = BG_SEP;
+ *pathend = BG_EOS;
+
+ } else {
+ if (pathend+1 > pathend_last) {
+ return (1);
+ }
+ *pathend++ = BG_SEP;
+ *pathend = BG_EOS;
+ }
+ return 0;
+}
+
+
+/* Return a FSSpec record for the specified volume
+ (borrowed from MacPerl.xs). */
+
+static OSErr
+GetVolInfo(short volume, Boolean indexed, FSSpec* spec)
+{
+ OSErr err; /* OSErr: 16-bit integer */
+ HParamBlockRec pb;
+
+ pb.volumeParam.ioNamePtr = spec->name;
+ pb.volumeParam.ioVRefNum = indexed ? 0 : volume;
+ pb.volumeParam.ioVolIndex = indexed ? volume : 0;
+
+ if (err = PBHGetVInfoSync(&pb))
+ return err;
+
+ spec->vRefNum = pb.volumeParam.ioVRefNum;
+ spec->parID = 1;
+
+ return noErr; /* 0 */
+}
+
+/* Extract a C name from a FSSpec. Note that there are
+ no leading or trailing colons. */
+
+static void
+name_f_FSSpec(StrFileName name, FSSpec *spec)
+{
+ unsigned char *nc;
+ const short len = spec->name[0];
+ short i;
+
+ /* FSSpec.name is a Pascal string,
+ convert it to C ... */
+ nc = name;
+ for (i=1; i<=len; i++) {
+ *nc++ = spec->name[i];
+ }
+ *nc = BG_EOS;
+}
+
+#endif /* MACOS_TRADITIONAL */
https://perl5.git.perl.org / perl5.git / blobdiff