Commit e725abcf authored by Wayne Davison's avatar Wayne Davison

Added a comment, improved a comment, tweaked the recursive function's

name, tweaked the arg names to wildmatch(), and tweaked the style of
the "else" statements when they follow a brace.
parent de019412
......@@ -57,7 +57,8 @@
int wildmatch_iteration_count;
#endif
static int domatch(const uchar *p, const uchar *text)
/* Match pattern "p" against string "text". */
static int dowild(const uchar *p, const uchar *text)
{
int matched, special;
uchar ch, prev;
......@@ -88,8 +89,7 @@ static int domatch(const uchar *p, const uchar *text)
if (*++p == '*') {
while (*++p == '*') {}
special = TRUE;
}
else
} else
special = FALSE;
if (*p == '\0') {
/* Trailing "**" matches everything. Trailing "*" matches
......@@ -97,11 +97,10 @@ static int domatch(const uchar *p, const uchar *text)
return special? TRUE : strchr((char*)text, '/') == NULL;
}
for ( ; *text; text++) {
if ((matched = domatch(p, text)) != FALSE) {
if ((matched = dowild(p, text)) != FALSE) {
if (!special || matched != ABORT_TO_STARSTAR)
return matched;
}
else if (!special && *text == '/')
} else if (!special && *text == '/')
return ABORT_TO_STARSTAR;
}
return ABORT_ALL;
......@@ -128,8 +127,7 @@ static int domatch(const uchar *p, const uchar *text)
return ABORT_ALL;
if (*text == ch)
matched = TRUE;
}
else if (ch == '-' && prev && p[1] && p[1] != ']') {
} else if (ch == '-' && prev && p[1] && p[1] != ']') {
ch = *++p;
if (ch == '\\') {
ch = *++p;
......@@ -139,8 +137,7 @@ static int domatch(const uchar *p, const uchar *text)
if (*text <= ch && *text >= prev)
matched = TRUE;
ch = 0; /* This makes "prev" get set to 0. */
}
else if (ch == '[' && p[1] == ':') {
} else if (ch == '[' && p[1] == ':') {
const uchar *s;
int i;
for (s = p += 2; (ch = *p) && ch != ']'; p++) {}
......@@ -158,56 +155,43 @@ static int domatch(const uchar *p, const uchar *text)
if (CC_EQ(s,i, "alnum")) {
if (ISALNUM(*text))
matched = TRUE;
}
else if (CC_EQ(s,i, "alpha")) {
} else if (CC_EQ(s,i, "alpha")) {
if (ISALPHA(*text))
matched = TRUE;
}
else if (CC_EQ(s,i, "blank")) {
} else if (CC_EQ(s,i, "blank")) {
if (ISBLANK(*text))
matched = TRUE;
}
else if (CC_EQ(s,i, "cntrl")) {
} else if (CC_EQ(s,i, "cntrl")) {
if (ISCNTRL(*text))
matched = TRUE;
}
else if (CC_EQ(s,i, "digit")) {
} else if (CC_EQ(s,i, "digit")) {
if (ISDIGIT(*text))
matched = TRUE;
}
else if (CC_EQ(s,i, "graph")) {
} else if (CC_EQ(s,i, "graph")) {
if (ISGRAPH(*text))
matched = TRUE;
}
else if (CC_EQ(s,i, "lower")) {
} else if (CC_EQ(s,i, "lower")) {
if (ISLOWER(*text))
matched = TRUE;
}
else if (CC_EQ(s,i, "print")) {
} else if (CC_EQ(s,i, "print")) {
if (ISPRINT(*text))
matched = TRUE;
}
else if (CC_EQ(s,i, "punct")) {
} else if (CC_EQ(s,i, "punct")) {
if (ISPUNCT(*text))
matched = TRUE;
}
else if (CC_EQ(s,i, "space")) {
} else if (CC_EQ(s,i, "space")) {
if (ISSPACE(*text))
matched = TRUE;
}
else if (CC_EQ(s,i, "upper")) {
} else if (CC_EQ(s,i, "upper")) {
if (ISUPPER(*text))
matched = TRUE;
}
else if (CC_EQ(s,i, "xdigit")) {
} else if (CC_EQ(s,i, "xdigit")) {
if (ISXDIGIT(*text))
matched = TRUE;
}
else /* malformed [:class:] string */
} else /* malformed [:class:] string */
return ABORT_ALL;
ch = 0; /* This makes "prev" get set to 0. */
}
else if (*text == ch)
} else if (*text == ch)
matched = TRUE;
} while (prev = ch, (ch = *++p) != ']');
if (matched == special || *text == '/')
......@@ -219,11 +203,11 @@ static int domatch(const uchar *p, const uchar *text)
return *text == '\0';
}
/* Find the pattern (p) in the text string (t). */
int wildmatch(const char *p, const char *t)
/* Match the "pattern" against the "text" string. */
int wildmatch(const char *pattern, const char *text)
{
#ifdef WILD_TEST_ITERATIONS
wildmatch_iteration_count = 0;
#endif
return domatch((const uchar*)p, (const uchar*)t) == TRUE;
return dowild((const uchar*)pattern, (const uchar*)text) == TRUE;
}
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