#define NEGATE_CLASS '!'
#define NEGATE_CLASS2 '^'
-#define FALSE 0
-#define TRUE 1
-
-#define NOMATCH 1
-#define MATCH 0
-#define ABORT_ALL -1
-#define ABORT_TO_STARSTAR -2
-
#define CC_EQ(class, len, litmatch) ((len) == sizeof (litmatch)-1 \
&& *(class) == *(litmatch) \
&& strncmp((char*)class, litmatch, len) == 0)
#define ISUPPER(c) (ISASCII(c) && isupper(c))
#define ISXDIGIT(c) (ISASCII(c) && isxdigit(c))
-static int force_lower_case = 0;
-
/* Match pattern "p" against "text" */
-static int dowild(const uchar *p, const uchar *text)
+static int dowild(const uchar *p, const uchar *text, unsigned int flags)
{
uchar p_ch;
+ const uchar *pattern = p;
for ( ; (p_ch = *p) != '\0'; text++, p++) {
- int matched, special;
+ int matched, match_slash, negated;
uchar t_ch, prev_ch;
if ((t_ch = *text) == '\0' && p_ch != '*')
- return ABORT_ALL;
- if (force_lower_case && ISUPPER(t_ch))
+ return WM_ABORT_ALL;
+ if ((flags & WM_CASEFOLD) && ISUPPER(t_ch))
t_ch = tolower(t_ch);
+ if ((flags & WM_CASEFOLD) && ISUPPER(p_ch))
+ p_ch = tolower(p_ch);
switch (p_ch) {
case '\\':
/* Literal match with following character. Note that the test
/* FALLTHROUGH */
default:
if (t_ch != p_ch)
- return NOMATCH;
+ return WM_NOMATCH;
continue;
case '?':
/* Match anything but '/'. */
- if (t_ch == '/')
- return NOMATCH;
+ if ((flags & WM_PATHNAME) && t_ch == '/')
+ return WM_NOMATCH;
continue;
case '*':
if (*++p == '*') {
+ const uchar *prev_p = p - 2;
while (*++p == '*') {}
- special = TRUE;
+ if (!(flags & WM_PATHNAME))
+ /* without WM_PATHNAME, '*' == '**' */
+ match_slash = 1;
+ else if ((prev_p < pattern || *prev_p == '/') &&
+ (*p == '\0' || *p == '/' ||
+ (p[0] == '\\' && p[1] == '/'))) {
+ /*
+ * Assuming we already match 'foo/' and are at
+ * <star star slash>, just assume it matches
+ * nothing and go ahead match the rest of the
+ * pattern with the remaining string. This
+ * helps make foo/<*><*>/bar (<> because
+ * otherwise it breaks C comment syntax) match
+ * both foo/bar and foo/a/bar.
+ */
+ if (p[0] == '/' &&
+ dowild(p + 1, text, flags) == WM_MATCH)
+ return WM_MATCH;
+ match_slash = 1;
+ } else
+ return WM_ABORT_MALFORMED;
} else
- special = FALSE;
+ /* without WM_PATHNAME, '*' == '**' */
+ match_slash = flags & WM_PATHNAME ? 0 : 1;
if (*p == '\0') {
/* Trailing "**" matches everything. Trailing "*" matches
* only if there are no more slash characters. */
- if (!special) {
+ if (!match_slash) {
if (strchr((char*)text, '/') != NULL)
- return NOMATCH;
+ return WM_NOMATCH;
}
- return MATCH;
+ return WM_MATCH;
+ } else if (!match_slash && *p == '/') {
+ /*
+ * _one_ asterisk followed by a slash
+ * with WM_PATHNAME matches the next
+ * directory
+ */
+ const char *slash = strchr((char*)text, '/');
+ if (!slash)
+ return WM_NOMATCH;
+ text = (const uchar*)slash;
+ /* the slash is consumed by the top-level for loop */
+ break;
}
while (1) {
if (t_ch == '\0')
break;
- if ((matched = dowild(p, text)) != NOMATCH) {
- if (!special || matched != ABORT_TO_STARSTAR)
+ /*
+ * Try to advance faster when an asterisk is
+ * followed by a literal. We know in this case
+ * that the the string before the literal
+ * must belong to "*".
+ * If match_slash is false, do not look past
+ * the first slash as it cannot belong to '*'.
+ */
+ if (!is_glob_special(*p)) {
+ p_ch = *p;
+ if ((flags & WM_CASEFOLD) && ISUPPER(p_ch))
+ p_ch = tolower(p_ch);
+ while ((t_ch = *text) != '\0' &&
+ (match_slash || t_ch != '/')) {
+ if ((flags & WM_CASEFOLD) && ISUPPER(t_ch))
+ t_ch = tolower(t_ch);
+ if (t_ch == p_ch)
+ break;
+ text++;
+ }
+ if (t_ch != p_ch)
+ return WM_NOMATCH;
+ }
+ if ((matched = dowild(p, text, flags)) != WM_NOMATCH) {
+ if (!match_slash || matched != WM_ABORT_TO_STARSTAR)
return matched;
- } else if (!special && t_ch == '/')
- return ABORT_TO_STARSTAR;
+ } else if (!match_slash && t_ch == '/')
+ return WM_ABORT_TO_STARSTAR;
t_ch = *++text;
}
- return ABORT_ALL;
+ return WM_ABORT_ALL;
case '[':
p_ch = *++p;
#ifdef NEGATE_CLASS2
if (p_ch == NEGATE_CLASS2)
p_ch = NEGATE_CLASS;
#endif
- /* Assign literal TRUE/FALSE because of "matched" comparison. */
- special = p_ch == NEGATE_CLASS? TRUE : FALSE;
- if (special) {
+ /* Assign literal 1/0 because of "matched" comparison. */
+ negated = p_ch == NEGATE_CLASS ? 1 : 0;
+ if (negated) {
/* Inverted character class. */
p_ch = *++p;
}
prev_ch = 0;
- matched = FALSE;
+ matched = 0;
do {
if (!p_ch)
- return ABORT_ALL;
+ return WM_ABORT_ALL;
if (p_ch == '\\') {
p_ch = *++p;
if (!p_ch)
- return ABORT_ALL;
+ return WM_ABORT_ALL;
if (t_ch == p_ch)
- matched = TRUE;
+ matched = 1;
} else if (p_ch == '-' && prev_ch && p[1] && p[1] != ']') {
p_ch = *++p;
if (p_ch == '\\') {
p_ch = *++p;
if (!p_ch)
- return ABORT_ALL;
+ return WM_ABORT_ALL;
}
if (t_ch <= p_ch && t_ch >= prev_ch)
- matched = TRUE;
+ matched = 1;
+ else if ((flags & WM_CASEFOLD) && ISLOWER(t_ch)) {
+ uchar t_ch_upper = toupper(t_ch);
+ if (t_ch_upper <= p_ch && t_ch_upper >= prev_ch)
+ matched = 1;
+ }
p_ch = 0; /* This makes "prev_ch" get set to 0. */
} else if (p_ch == '[' && p[1] == ':') {
const uchar *s;
int i;
for (s = p += 2; (p_ch = *p) && p_ch != ']'; p++) {} /*SHARED ITERATOR*/
if (!p_ch)
- return ABORT_ALL;
+ return WM_ABORT_ALL;
i = p - s - 1;
if (i < 0 || p[-1] != ':') {
/* Didn't find ":]", so treat like a normal set. */
p = s - 2;
p_ch = '[';
if (t_ch == p_ch)
- matched = TRUE;
+ matched = 1;
continue;
}
if (CC_EQ(s,i, "alnum")) {
if (ISALNUM(t_ch))
- matched = TRUE;
+ matched = 1;
} else if (CC_EQ(s,i, "alpha")) {
if (ISALPHA(t_ch))
- matched = TRUE;
+ matched = 1;
} else if (CC_EQ(s,i, "blank")) {
if (ISBLANK(t_ch))
- matched = TRUE;
+ matched = 1;
} else if (CC_EQ(s,i, "cntrl")) {
if (ISCNTRL(t_ch))
- matched = TRUE;
+ matched = 1;
} else if (CC_EQ(s,i, "digit")) {
if (ISDIGIT(t_ch))
- matched = TRUE;
+ matched = 1;
} else if (CC_EQ(s,i, "graph")) {
if (ISGRAPH(t_ch))
- matched = TRUE;
+ matched = 1;
} else if (CC_EQ(s,i, "lower")) {
if (ISLOWER(t_ch))
- matched = TRUE;
+ matched = 1;
} else if (CC_EQ(s,i, "print")) {
if (ISPRINT(t_ch))
- matched = TRUE;
+ matched = 1;
} else if (CC_EQ(s,i, "punct")) {
if (ISPUNCT(t_ch))
- matched = TRUE;
+ matched = 1;
} else if (CC_EQ(s,i, "space")) {
if (ISSPACE(t_ch))
- matched = TRUE;
+ matched = 1;
} else if (CC_EQ(s,i, "upper")) {
if (ISUPPER(t_ch))
- matched = TRUE;
+ matched = 1;
+ else if ((flags & WM_CASEFOLD) && ISLOWER(t_ch))
+ matched = 1;
} else if (CC_EQ(s,i, "xdigit")) {
if (ISXDIGIT(t_ch))
- matched = TRUE;
+ matched = 1;
} else /* malformed [:class:] string */
- return ABORT_ALL;
+ return WM_ABORT_ALL;
p_ch = 0; /* This makes "prev_ch" get set to 0. */
} else if (t_ch == p_ch)
- matched = TRUE;
+ matched = 1;
} while (prev_ch = p_ch, (p_ch = *++p) != ']');
- if (matched == special || t_ch == '/')
- return NOMATCH;
+ if (matched == negated ||
+ ((flags & WM_PATHNAME) && t_ch == '/'))
+ return WM_NOMATCH;
continue;
}
}
- return *text ? NOMATCH : MATCH;
+ return *text ? WM_NOMATCH : WM_MATCH;
}
/* Match the "pattern" against the "text" string. */
-int wildmatch(const char *pattern, const char *text)
-{
- return dowild((const uchar*)pattern, (const uchar*)text);
-}
-
-/* Match the "pattern" against the forced-to-lower-case "text" string. */
-int iwildmatch(const char *pattern, const char *text)
+int wildmatch(const char *pattern, const char *text,
+ unsigned int flags, struct wildopts *wo)
{
- int ret;
- force_lower_case = 1;
- ret = dowild((const uchar*)pattern, (const uchar*)text);
- force_lower_case = 0;
- return ret;
+ return dowild((const uchar*)pattern, (const uchar*)text, flags);
}