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-rw-r--r--dir.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/dir.c b/dir.c
index c2e585607e..71d28331f3 100644
--- a/dir.c
+++ b/dir.c
@@ -635,6 +635,7 @@ static void add_pattern_to_hashsets(struct pattern_list *pl, struct path_pattern
struct pattern_entry *translated;
char *truncated;
char *data = NULL;
+ const char *prev, *cur, *next;
if (!pl->use_cone_patterns)
return;
@@ -652,12 +653,47 @@ static void add_pattern_to_hashsets(struct pattern_list *pl, struct path_pattern
}
if (given->patternlen <= 2 ||
+ *given->pattern == '*' ||
strstr(given->pattern, "**")) {
/* Not a cone pattern. */
warning(_("unrecognized pattern: '%s'"), given->pattern);
goto clear_hashmaps;
}
+ prev = given->pattern;
+ cur = given->pattern + 1;
+ next = given->pattern + 2;
+
+ while (*cur) {
+ /* Watch for glob characters '*', '\', '[', '?' */
+ if (!is_glob_special(*cur))
+ goto increment;
+
+ /* But only if *prev != '\\' */
+ if (*prev == '\\')
+ goto increment;
+
+ /* But allow the initial '\' */
+ if (*cur == '\\' &&
+ is_glob_special(*next))
+ goto increment;
+
+ /* But a trailing '/' then '*' is fine */
+ if (*prev == '/' &&
+ *cur == '*' &&
+ *next == 0)
+ goto increment;
+
+ /* Not a cone pattern. */
+ warning(_("unrecognized pattern: '%s'"), given->pattern);
+ goto clear_hashmaps;
+
+ increment:
+ prev++;
+ cur++;
+ next++;
+ }
+
if (given->patternlen > 2 &&
!strcmp(given->pattern + given->patternlen - 2, "/*")) {
if (!(given->flags & PATTERN_FLAG_NEGATIVE)) {