Add option to git-commit to allow empty log messages

diff --git a/mailmap.c b/mailmap.c
index 654c6295cb10eaf5e0b8af1d4e185f8d1ff7663b..b68c1fec9c2ca69f313bc3fa16461c6c9150c53d 100644 (file)
--- a/mailmap.c
+++ b/mailmap.c
@@ -50,6 +50,15 @@ static void add_mapping(struct string_list *map,
 {
        struct mailmap_entry *me;
        int index;
+       char *p;
+
+       if (old_email)
+               for (p = old_email; *p; p++)
+                       *p = tolower(*p);
+       if (new_email)
+               for (p = new_email; *p; p++)
+                       *p = tolower(*p);
+
        if (old_email == NULL) {
                old_email = new_email;
                new_email = NULL;
@@ -94,7 +103,7 @@ static char *parse_name_and_email(char *buffer, char **name,
                char **email, int allow_empty_email)
 {
        char *left, *right, *nstart, *nend;
-       *name = *email = 0;
+       *name = *email = NULL;
 
        if ((left = strchr(buffer, '<')) == NULL)
                return NULL;
@@ -127,7 +136,7 @@ static int read_single_mailmap(struct string_list *map, const char *filename, ch
        if (f == NULL)
                return 1;
        while (fgets(buffer, sizeof(buffer), f) != NULL) {
-               char *name1 = 0, *email1 = 0, *name2 = 0, *email2 = 0;
+               char *name1 = NULL, *email1 = NULL, *name2 = NULL, *email2 = NULL;
                if (buffer[0] == '#') {
                        static const char abbrev[] = "# repo-abbrev:";
                        int abblen = sizeof(abbrev) - 1;
@@ -191,7 +200,7 @@ int map_user(struct string_list *map,
        if (!p) {
                /* email passed in might not be wrapped in <>, but end with a \0 */
                p = memchr(email, '\0', maxlen_email);
-               if (p == 0)
+               if (!p)
                        return 0;
        }
        if (p - email + 1 < sizeof(buf))
@@ -234,8 +243,3 @@ int map_user(struct string_list *map,
        debug_mm("map_user:  --\n");
        return 0;
 }
-
-int map_email(struct string_list *map, const char *email, char *name, int maxlen)
-{
-       return map_user(map, (char *)email, 0, name, maxlen);
-}