git-var: constness and globalness cleanup.
var.c::git_var read function did not have to return writable
strings; make it and the functions it points at return const char *
instead.
ident.c::get_ident() did not need to be global, so make it
static.
Signed-off-by: Junio C Hamano <junkio@cox.net>
diff --git a/ident.c b/ident.c
index bc89e1d..ac1c27f 100644
--- a/ident.c
+++ b/ident.c
@@ -156,7 +156,8 @@
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 @@
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"));
}
