grep/pcre: support utf-8

diff --git a/dir.c b/dir.c
index d2a8f06b0243bda92c04f57d96c0b18838ee7dce..29aec124871e44972de70cb05f1c6023e514fcc2 100644 (file)
--- a/dir.c
+++ b/dir.c
@@ -564,9 +564,7 @@ void clear_exclude_list(struct exclude_list *el)
        free(el->excludes);
        free(el->filebuf);
 
-       el->nr = 0;
-       el->excludes = NULL;
-       el->filebuf = NULL;
+       memset(el, 0, sizeof(*el));
 }
 
 static void trim_trailing_spaces(char *buf)
@@ -882,25 +880,6 @@ int match_pathname(const char *pathname, int pathlen,
                 */
                if (!patternlen && !namelen)
                        return 1;
-               /*
-                * This can happen when we ignore some exclude rules
-                * on directories in other to see if negative rules
-                * may match. E.g.
-                *
-                * /abc
-                * !/abc/def/ghi
-                *
-                * The pattern of interest is "/abc". On the first
-                * try, we should match path "abc" with this pattern
-                * in the "if" statement right above, but the caller
-                * ignores it.
-                *
-                * On the second try with paths within "abc",
-                * e.g. "abc/xyz", we come here and try to match it
-                * with "/abc".
-                */
-               if (!patternlen && namelen && *name == '/')
-                       return 1;
        }
 
        return fnmatch_icase_mem(pattern, patternlen,
@@ -908,48 +887,6 @@ int match_pathname(const char *pathname, int pathlen,
                                 WM_PATHNAME) == 0;
 }
 
-/*
- * Return non-zero if pathname is a directory and an ancestor of the
- * literal path in a (negative) pattern. This is used to keep
- * descending in "foo" and "foo/bar" when the pattern is
- * "!foo/bar/.gitignore". "foo/notbar" will not be descended however.
- */
-static int match_neg_path(const char *pathname, int pathlen, int *dtype,
-                         const char *base, int baselen,
-                         const char *pattern, int prefix, int patternlen,
-                         int flags)
-{
-       assert((flags & EXC_FLAG_NEGATIVE) && !(flags & EXC_FLAG_NODIR));
-
-       if (*dtype == DT_UNKNOWN)
-               *dtype = get_dtype(NULL, pathname, pathlen);
-       if (*dtype != DT_DIR)
-               return 0;
-
-       if (*pattern == '/') {
-               pattern++;
-               patternlen--;
-               prefix--;
-       }
-
-       if (baselen) {
-               if (((pathlen < baselen && base[pathlen] == '/') ||
-                    pathlen == baselen) &&
-                   !strncmp_icase(pathname, base, pathlen))
-                       return 1;
-               pathname += baselen + 1;
-               pathlen  -= baselen + 1;
-       }
-
-
-       if (prefix &&
-           ((pathlen < prefix && pattern[pathlen] == '/') &&
-            !strncmp_icase(pathname, pattern, pathlen)))
-               return 1;
-
-       return 0;
-}
-
 /*
  * Scan the given exclude list in reverse to see whether pathname
  * should be ignored.  The first match (i.e. the last on the list), if
@@ -963,7 +900,7 @@ static struct exclude *last_exclude_matching_from_list(const char *pathname,
                                                       struct exclude_list *el)
 {
        struct exclude *exc = NULL; /* undecided */
-       int i, matched_negative_path = 0;
+       int i;
 
        if (!el->nr)
                return NULL;    /* undefined */
@@ -998,18 +935,7 @@ static struct exclude *last_exclude_matching_from_list(const char *pathname,
                        exc = x;
                        break;
                }
-
-               if ((x->flags & EXC_FLAG_NEGATIVE) && !matched_negative_path &&
-                   match_neg_path(pathname, pathlen, dtype, x->base,
-                                  x->baselen ? x->baselen - 1 : 0,
-                                  exclude, prefix, x->patternlen, x->flags))
-                       matched_negative_path = 1;
-       }
-       if (exc &&
-           !(exc->flags & EXC_FLAG_NEGATIVE) &&
-           !(exc->flags & EXC_FLAG_NODIR) &&
-           matched_negative_path)
-               exc = NULL;
+       }
        return exc;
 }