help: use parse_config_key for man config
The resulting code ends up about the same length, but it is
a little more self-explanatory. It now explicitly documents
and checks the pre-condition that the incoming var starts
with "man.", and drops the magic offset "4".
Signed-off-by: Jeff King <peff@peff.net>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin/help.c b/builtin/help.c
index bd86253..04cb77d 100644
--- a/builtin/help.c
+++ b/builtin/help.c
@@ -237,21 +237,21 @@
static int add_man_viewer_info(const char *var, const char *value)
{
- const char *name = var + 4;
- const char *subkey = strrchr(name, '.');
+ const char *name, *subkey;
+ int namelen;
- if (!subkey)
+ if (parse_config_key(var, "man", &name, &namelen, &subkey) < 0 || !name)
return 0;
- if (!strcmp(subkey, ".path")) {
+ if (!strcmp(subkey, "path")) {
if (!value)
return config_error_nonbool(var);
- return add_man_viewer_path(name, subkey - name, value);
+ return add_man_viewer_path(name, namelen, value);
}
- if (!strcmp(subkey, ".cmd")) {
+ if (!strcmp(subkey, "cmd")) {
if (!value)
return config_error_nonbool(var);
- return add_man_viewer_cmd(name, subkey - name, value);
+ return add_man_viewer_cmd(name, namelen, value);
}
return 0;
