X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=dir.c;h=5a40d8ff8c99c80bf8f0484425db6022c6f7d8e9;hb=2886bdb118699fbc343e3c0b4f93f06fbeae1061;hp=d40b62e1c19c342dfddeb157b295d8188f9a1f20;hpb=ae12e59a8c895e48d4ef52ac6936674ac7be6370;p=git.git

diff --git a/dir.c b/dir.c
index d40b62e1c..5a40d8ff8 100644
--- a/dir.c
+++ b/dir.c
@@ -11,6 +11,86 @@
 #include "cache.h"
 #include "dir.h"
 
+int common_prefix(const char **pathspec)
+{
+	const char *path, *slash, *next;
+	int prefix;
+
+	if (!pathspec)
+		return 0;
+
+	path = *pathspec;
+	slash = strrchr(path, '/');
+	if (!slash)
+		return 0;
+
+	prefix = slash - path + 1;
+	while ((next = *++pathspec) != NULL) {
+		int len = strlen(next);
+		if (len >= prefix && !memcmp(path, next, len))
+			continue;
+		for (;;) {
+			if (!len)
+				return 0;
+			if (next[--len] != '/')
+				continue;
+			if (memcmp(path, next, len+1))
+				continue;
+			prefix = len + 1;
+			break;
+		}
+	}
+	return prefix;
+}
+
+static int match_one(const char *match, const char *name, int namelen)
+{
+	int matchlen;
+
+	/* If the match was just the prefix, we matched */
+	matchlen = strlen(match);
+	if (!matchlen)
+		return 1;
+
+	/*
+	 * If we don't match the matchstring exactly,
+	 * we need to match by fnmatch
+	 */
+	if (strncmp(match, name, matchlen))
+		return !fnmatch(match, name, 0);
+
+	/*
+	 * If we did match the string exactly, we still
+	 * need to make sure that it happened on a path
+	 * component boundary (ie either the last character
+	 * of the match was '/', or the next character of
+	 * the name was '/' or the terminating NUL.
+	 */
+	return	match[matchlen-1] == '/' ||
+		name[matchlen] == '/' ||
+		!name[matchlen];
+}
+
+int match_pathspec(const char **pathspec, const char *name, int namelen, int prefix, char *seen)
+{
+	int retval;
+	const char *match;
+
+	name += prefix;
+	namelen -= prefix;
+
+	for (retval = 0; (match = *pathspec++) != NULL; seen++) {
+		if (retval & *seen)
+			continue;
+		match += prefix;
+		if (match_one(match, name, namelen)) {
+			retval = 1;
+			*seen = 1;
+		}
+	}
+	return retval;
+}
+
 void add_exclude(const char *string, const char *base,
 		 int baselen, struct exclude_list *which)
 {
@@ -21,8 +101,8 @@ void add_exclude(const char *string, const char *base,
 	x->baselen = baselen;
 	if (which->nr == which->alloc) {
 		which->alloc = alloc_nr(which->alloc);
-		which->excludes = realloc(which->excludes,
-					  which->alloc * sizeof(x));
+		which->excludes = xrealloc(which->excludes,
+					   which->alloc * sizeof(x));
 	}
 	which->excludes[which->nr++] = x;
 }
@@ -32,17 +112,15 @@ static int add_excludes_from_file_1(const char *fname,
 				    int baselen,
 				    struct exclude_list *which)
 {
+	struct stat st;
 	int fd, i;
 	long size;
 	char *buf, *entry;
 
 	fd = open(fname, O_RDONLY);
-	if (fd < 0)
-		goto err;
-	size = lseek(fd, 0, SEEK_END);
-	if (size < 0)
+	if (fd < 0 || fstat(fd, &st) < 0)
 		goto err;
-	lseek(fd, 0, SEEK_SET);
+	size = st.st_size;
 	if (size == 0) {
 		close(fd);
 		return 0;
@@ -213,7 +291,7 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
 	if (fdir) {
 		int exclude_stk;
 		struct dirent *de;
-		char fullname[MAXPATHLEN + 1];
+		char fullname[PATH_MAX + 1];
 		memcpy(fullname, base, baselen);
 
 		exclude_stk = push_exclude_per_directory(dir, base, baselen);
@@ -256,7 +334,7 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
 				if (dir->show_other_directories &&
 				    (subdir || !dir->hide_empty_directories) &&
 				    !dir_exists(fullname, baselen + len)) {
-					// Rewind the read subdirectory
+					/* Rewind the read subdirectory */
 					while (dir->nr > rewind_base)
 						free(dir->entries[--dir->nr]);
 					break;