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Diffstat (limited to 'engines/glk/alan3/fnmatch.cpp')
-rw-r--r--engines/glk/alan3/fnmatch.cpp307
1 files changed, 153 insertions, 154 deletions
diff --git a/engines/glk/alan3/fnmatch.cpp b/engines/glk/alan3/fnmatch.cpp
index 203a7bf4b3..970567261e 100644
--- a/engines/glk/alan3/fnmatch.cpp
+++ b/engines/glk/alan3/fnmatch.cpp
@@ -71,163 +71,162 @@ namespace Alan3 {
static int rangematch(const char *, char, int, char **);
int fnmatch(const char *pattern, const char *string, int flags) {
- const char *stringstart;
- char *newp;
- char c, test;
-
- for (stringstart = string;;)
- switch (c = *pattern++) {
- case EOS:
- if ((flags & FNM_LEADING_DIR) && *string == '/')
- return (0);
- return (*string == EOS ? 0 : FNM_NOMATCH);
- case '?':
- if (*string == EOS)
- return (FNM_NOMATCH);
- if (*string == '/' && (flags & FNM_PATHNAME))
- return (FNM_NOMATCH);
- if (*string == '.' && (flags & FNM_PERIOD) &&
- (string == stringstart ||
- ((flags & FNM_PATHNAME) && *(string - 1) == '/')))
- return (FNM_NOMATCH);
- ++string;
- break;
- case '*':
- c = *pattern;
- /* Collapse multiple stars. */
- while (c == '*')
- c = *++pattern;
-
- if (*string == '.' && (flags & FNM_PERIOD) &&
- (string == stringstart ||
- ((flags & FNM_PATHNAME) && *(string - 1) == '/')))
- return (FNM_NOMATCH);
-
- /* Optimize for pattern with * at end or before /. */
- if (c == EOS)
- if (flags & FNM_PATHNAME)
- return ((flags & FNM_LEADING_DIR) ||
- strchr(string, '/') == NULL ?
- 0 : FNM_NOMATCH);
- else
- return (0);
- else if (c == '/' && flags & FNM_PATHNAME) {
- if ((string = strchr(string, '/')) == NULL)
- return (FNM_NOMATCH);
- break;
- }
-
- /* General case, use recursion. */
- while ((test = *string) != EOS) {
- if (!fnmatch(pattern, string, flags & ~FNM_PERIOD))
- return (0);
- if (test == '/' && flags & FNM_PATHNAME)
- break;
- ++string;
- }
- return (FNM_NOMATCH);
- case '[':
- if (*string == EOS)
- return (FNM_NOMATCH);
- if (*string == '/' && (flags & FNM_PATHNAME))
- return (FNM_NOMATCH);
- if (*string == '.' && (flags & FNM_PERIOD) &&
- (string == stringstart ||
- ((flags & FNM_PATHNAME) && *(string - 1) == '/')))
- return (FNM_NOMATCH);
-
- switch (rangematch(pattern, *string, flags, &newp)) {
- case RANGE_ERROR:
- goto norm;
- case RANGE_MATCH:
- pattern = newp;
- break;
- case RANGE_NOMATCH:
- return (FNM_NOMATCH);
- }
- ++string;
- break;
- case '\\':
- if (!(flags & FNM_NOESCAPE)) {
- if ((c = *pattern++) == EOS) {
- c = '\\';
- --pattern;
- }
- }
- /* FALLTHROUGH */
- default:
- norm:
- if (c == *string)
- ;
- else if ((flags & FNM_CASEFOLD) &&
- (tolower((unsigned char)c) ==
- tolower((unsigned char)*string)))
- ;
- else
- return (FNM_NOMATCH);
- string++;
- break;
- }
- /* NOTREACHED */
+ const char *stringstart;
+ char *newp;
+ char c, test;
+
+ for (stringstart = string;;)
+ switch (c = *pattern++) {
+ case EOS:
+ if ((flags & FNM_LEADING_DIR) && *string == '/')
+ return (0);
+ return (*string == EOS ? 0 : FNM_NOMATCH);
+ case '?':
+ if (*string == EOS)
+ return (FNM_NOMATCH);
+ if (*string == '/' && (flags & FNM_PATHNAME))
+ return (FNM_NOMATCH);
+ if (*string == '.' && (flags & FNM_PERIOD) &&
+ (string == stringstart ||
+ ((flags & FNM_PATHNAME) && *(string - 1) == '/')))
+ return (FNM_NOMATCH);
+ ++string;
+ break;
+ case '*':
+ c = *pattern;
+ /* Collapse multiple stars. */
+ while (c == '*')
+ c = *++pattern;
+
+ if (*string == '.' && (flags & FNM_PERIOD) &&
+ (string == stringstart ||
+ ((flags & FNM_PATHNAME) && *(string - 1) == '/')))
+ return (FNM_NOMATCH);
+
+ /* Optimize for pattern with * at end or before /. */
+ if (c == EOS)
+ if (flags & FNM_PATHNAME)
+ return ((flags & FNM_LEADING_DIR) ||
+ strchr(string, '/') == NULL ?
+ 0 : FNM_NOMATCH);
+ else
+ return (0);
+ else if (c == '/' && flags & FNM_PATHNAME) {
+ if ((string = strchr(string, '/')) == NULL)
+ return (FNM_NOMATCH);
+ break;
+ }
+
+ /* General case, use recursion. */
+ while ((test = *string) != EOS) {
+ if (!fnmatch(pattern, string, flags & ~FNM_PERIOD))
+ return (0);
+ if (test == '/' && flags & FNM_PATHNAME)
+ break;
+ ++string;
+ }
+ return (FNM_NOMATCH);
+ case '[':
+ if (*string == EOS)
+ return (FNM_NOMATCH);
+ if (*string == '/' && (flags & FNM_PATHNAME))
+ return (FNM_NOMATCH);
+ if (*string == '.' && (flags & FNM_PERIOD) &&
+ (string == stringstart ||
+ ((flags & FNM_PATHNAME) && *(string - 1) == '/')))
+ return (FNM_NOMATCH);
+
+ switch (rangematch(pattern, *string, flags, &newp)) {
+ case RANGE_ERROR:
+ goto norm;
+ case RANGE_MATCH:
+ pattern = newp;
+ break;
+ case RANGE_NOMATCH:
+ return (FNM_NOMATCH);
+ }
+ ++string;
+ break;
+ case '\\':
+ if (!(flags & FNM_NOESCAPE)) {
+ if ((c = *pattern++) == EOS) {
+ c = '\\';
+ --pattern;
+ }
+ }
+ /* FALLTHROUGH */
+ default:
+norm:
+ if (c == *string)
+ ;
+ else if ((flags & FNM_CASEFOLD) &&
+ (tolower((unsigned char)c) ==
+ tolower((unsigned char)*string)))
+ ;
+ else
+ return (FNM_NOMATCH);
+ string++;
+ break;
+ }
+ /* NOTREACHED */
}
static int
-rangematch(const char *pattern, char test, int flags, char **newp)
-{
- int negate, ok;
- char c, c2;
-
- /*
- * A bracket expression starting with an unquoted circumflex
- * character produces unspecified results (IEEE 1003.2-1992,
- * 3.13.2). This implementation treats it like '!', for
- * consistency with the regular expression syntax.
- * J.T. Conklin (conklin@ngai.kaleida.com)
- */
- if ( (negate = (*pattern == '!' || *pattern == '^')) )
- ++pattern;
-
- if (flags & FNM_CASEFOLD)
- test = tolower((unsigned char)test);
-
- /*
- * A right bracket shall lose its special meaning and represent
- * itself in a bracket expression if it occurs first in the list.
- * -- POSIX.2 2.8.3.2
- */
- ok = 0;
- c = *pattern++;
- do {
- if (c == '\\' && !(flags & FNM_NOESCAPE))
- c = *pattern++;
- if (c == EOS)
- return (RANGE_ERROR);
-
- if (c == '/' && (flags & FNM_PATHNAME))
- return (RANGE_NOMATCH);
-
- if (flags & FNM_CASEFOLD)
- c = tolower((unsigned char)c);
-
- if (*pattern == '-'
- && (c2 = *(pattern+1)) != EOS && c2 != ']') {
- pattern += 2;
- if (c2 == '\\' && !(flags & FNM_NOESCAPE))
- c2 = *pattern++;
- if (c2 == EOS)
- return (RANGE_ERROR);
-
- if (flags & FNM_CASEFOLD)
- c2 = tolower((unsigned char)c2);
-
- if (c <= test && test <= c2)
- ok = 1;
- } else if (c == test)
- ok = 1;
- } while ((c = *pattern++) != ']');
-
- *newp = const_cast<char *>(pattern);
- return (ok == negate ? RANGE_NOMATCH : RANGE_MATCH);
+rangematch(const char *pattern, char test, int flags, char **newp) {
+ int negate, ok;
+ char c, c2;
+
+ /*
+ * A bracket expression starting with an unquoted circumflex
+ * character produces unspecified results (IEEE 1003.2-1992,
+ * 3.13.2). This implementation treats it like '!', for
+ * consistency with the regular expression syntax.
+ * J.T. Conklin (conklin@ngai.kaleida.com)
+ */
+ if ((negate = (*pattern == '!' || *pattern == '^')))
+ ++pattern;
+
+ if (flags & FNM_CASEFOLD)
+ test = tolower((unsigned char)test);
+
+ /*
+ * A right bracket shall lose its special meaning and represent
+ * itself in a bracket expression if it occurs first in the list.
+ * -- POSIX.2 2.8.3.2
+ */
+ ok = 0;
+ c = *pattern++;
+ do {
+ if (c == '\\' && !(flags & FNM_NOESCAPE))
+ c = *pattern++;
+ if (c == EOS)
+ return (RANGE_ERROR);
+
+ if (c == '/' && (flags & FNM_PATHNAME))
+ return (RANGE_NOMATCH);
+
+ if (flags & FNM_CASEFOLD)
+ c = tolower((unsigned char)c);
+
+ if (*pattern == '-'
+ && (c2 = *(pattern + 1)) != EOS && c2 != ']') {
+ pattern += 2;
+ if (c2 == '\\' && !(flags & FNM_NOESCAPE))
+ c2 = *pattern++;
+ if (c2 == EOS)
+ return (RANGE_ERROR);
+
+ if (flags & FNM_CASEFOLD)
+ c2 = tolower((unsigned char)c2);
+
+ if (c <= test && test <= c2)
+ ok = 1;
+ } else if (c == test)
+ ok = 1;
+ } while ((c = *pattern++) != ']');
+
+ *newp = const_cast<char *>(pattern);
+ return (ok == negate ? RANGE_NOMATCH : RANGE_MATCH);
}
} // End of namespace Alan3
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