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authorJeff King <peff@peff.net>2013-09-28 04:31:23 -0400
committerJonathan Nieder <jrnieder@gmail.com>2013-09-30 17:21:59 -0700
commit1bbcc224ccfdccd99b1221d83150a8ffb8059ffd (patch)
tree5aed8889b6e9101caad031a123cb180432cd579e /http.h
parent132b70a2ed6d952e8142981474b41884ff93b780 (diff)
downloadgit-1bbcc224ccfdccd99b1221d83150a8ffb8059ffd.tar.gz
http: refactor options to http_get_*
Over time, the http_get_strbuf function has grown several optional parameters. We now have a bitfield with multiple boolean options, as well as an optional strbuf for returning the content-type of the response. And a future patch in this series is going to add another strbuf option. Treating these as separate arguments has a few downsides: 1. Most call sites need to add extra NULLs and 0s for the options they aren't interested in. 2. The http_get_* functions are actually wrappers around 2 layers of low-level implementation functions. We have to pass these options through individually. 3. The http_get_strbuf wrapper learned these options, but nobody bothered to do so for http_get_file, even though it is backed by the same function that does understand the options. Let's consolidate the options into a single struct. For the common case of the default options, we'll allow callers to simply pass a NULL for the options struct. The resulting code is often a few lines longer, but it ends up being easier to read (and to change as we add new options, since we do not need to update each call site). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Diffstat (limited to 'http.h')
-rw-r--r--http.h15
1 files changed, 10 insertions, 5 deletions
diff --git a/http.h b/http.h
index d77c1b54f2..40404b4836 100644
--- a/http.h
+++ b/http.h
@@ -125,11 +125,16 @@ extern void append_remote_object_url(struct strbuf *buf, const char *url,
extern char *get_remote_object_url(const char *url, const char *hex,
int only_two_digit_prefix);
-/* Options for http_request_*() */
-#define HTTP_NO_CACHE 1
-#define HTTP_KEEP_ERROR 2
+/* Options for http_get_*() */
+struct http_get_options {
+ unsigned no_cache:1,
+ keep_error:1;
-/* Return values for http_request_*() */
+ /* If non-NULL, returns the content-type of the response. */
+ struct strbuf *content_type;
+};
+
+/* Return values for http_get_*() */
#define HTTP_OK 0
#define HTTP_MISSING_TARGET 1
#define HTTP_ERROR 2
@@ -142,7 +147,7 @@ extern char *get_remote_object_url(const char *url, const char *hex,
*
* If the result pointer is NULL, a HTTP HEAD request is made instead of GET.
*/
-int http_get_strbuf(const char *url, struct strbuf *content_type, struct strbuf *result, int options);
+int http_get_strbuf(const char *url, struct strbuf *result, struct http_get_options *options);
extern int http_fetch_ref(const char *base, struct ref *ref);