Documentation: more examples.

diff --git a/ident.c b/ident.c
index bc89e1d04c63563c051005754a50247f22256974..ac1c27f1998b8245132dced5875e022fe24b93ec 100644 (file)
--- a/ident.c
+++ b/ident.c
@@ -156,7 +156,8 @@ static int copy(char *buf, int size, int offset, const char *src)
        return offset;
 }
 
-char *get_ident(const char *name, const char *email, const char *date_str)
+static const char *get_ident(const char *name, const char *email,
+                            const char *date_str)
 {
        static char buffer[1000];
        char date[50];
@@ -181,12 +182,16 @@ char *get_ident(const char *name, const char *email, const char *date_str)
        return buffer;
 }
 
-char *git_author_info(void)
+const char *git_author_info(void)
 {
-       return get_ident(getenv("GIT_AUTHOR_NAME"), getenv("GIT_AUTHOR_EMAIL"), getenv("GIT_AUTHOR_DATE"));
+       return get_ident(getenv("GIT_AUTHOR_NAME"),
+                        getenv("GIT_AUTHOR_EMAIL"),
+                        getenv("GIT_AUTHOR_DATE"));
 }
 
-char *git_committer_info(void)
+const char *git_committer_info(void)
 {
-       return get_ident(getenv("GIT_COMMITTER_NAME"), getenv("GIT_COMMITTER_EMAIL"), getenv("GIT_COMMITTER_DATE"));
+       return get_ident(getenv("GIT_COMMITTER_NAME"),
+                        getenv("GIT_COMMITTER_EMAIL"),
+                        getenv("GIT_COMMITTER_DATE"));
 }