determine_author_info(): copy getenv output

diff --git a/pretty.c b/pretty.c
index eb676d6d54b0cf7a0d82fd960ad6dcfbabb84003..3a705576f3fd36f3b7b1bd2e82ee4460af637a38 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -547,31 +547,11 @@ static void add_merge_info(const struct pretty_print_context *pp,
        strbuf_addch(sb, '\n');
 }
 
-static char *get_header(const struct commit *commit, const char *msg,
-                       const char *key)
+static char *get_header(const char *msg, const char *key)
 {
-       int key_len = strlen(key);
-       const char *line = msg;
-
-       while (line) {
-               const char *eol = strchrnul(line, '\n'), *next;
-
-               if (line == eol)
-                       return NULL;
-               if (!*eol) {
-                       warning("malformed commit (header is missing newline): %s",
-                               sha1_to_hex(commit->object.sha1));
-                       next = NULL;
-               } else
-                       next = eol + 1;
-               if (eol - line > key_len &&
-                   !strncmp(line, key, key_len) &&
-                   line[key_len] == ' ') {
-                       return xmemdupz(line + key_len + 1, eol - line - key_len - 1);
-               }
-               line = next;
-       }
-       return NULL;
+       size_t len;
+       const char *v = find_commit_header(msg, key, &len);
+       return v ? xmemdupz(v, len) : NULL;
 }
 
 static char *replace_encoding_header(char *buf, const char *encoding)
@@ -617,11 +597,10 @@ const char *logmsg_reencode(const struct commit *commit,
 
        if (!output_encoding || !*output_encoding) {
                if (commit_encoding)
-                       *commit_encoding =
-                               get_header(commit, msg, "encoding");
+                       *commit_encoding = get_header(msg, "encoding");
                return msg;
        }
-       encoding = get_header(commit, msg, "encoding");
+       encoding = get_header(msg, "encoding");
        if (commit_encoding)
                *commit_encoding = encoding;
        use_encoding = encoding ? encoding : utf8;
@@ -1554,12 +1533,7 @@ static void pp_header(struct pretty_print_context *pp,
                }
 
                if (!parents_shown) {
-                       struct commit_list *parent;
-                       int num;
-                       for (parent = commit->parents, num = 0;
-                            parent;
-                            parent = parent->next, num++)
-                               ;
+                       unsigned num = commit_list_count(commit->parents);
                        /* with enough slop */
                        strbuf_grow(sb, num * 50 + 20);
                        add_merge_info(pp, sb, commit);