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Re: [PATCH 1/4] http.h: Add debug callback and helper routine for implementing the GIT_TRACE_CURL environment variable in http.c

From
Ramsay Jones <ramsay@ramsayjones.plus.com>
Date
Apr 19, 2016, 21:48 UTC
Message-ID
<5716A7C6.40507@ramsayjones.plus.com>
In-Reply-To
<20160419151044.27814-2-gitter.spiros@gmail.com>
On 19/04/16 16:10, Elia Pinto wrote:
Show 25 quoted lines
> Add the debug callback and helper routine prototype used by
> curl_easy_setopt CURLOPT_DEBUGFUNCTION in http.c
> for implementing the GIT_TRACE_CURL environment variable
> 
> 
> Helped-by: Torsten Bögershausen <tboegi@web.de>
> Helped-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
> Helped-by: Junio C Hamano <gitster@pobox.com>
> Helped-by: Eric Sunshine <sunshine@sunshineco.com> 
> Helped-by: Jeff King <peff@peff.net>
> Signed-off-by: Elia Pinto <gitter.spiros@gmail.com>
> ---
>  http.h | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/http.h b/http.h
> index 4ef4bbd..a2d10bc 100644
> --- a/http.h
> +++ b/http.h
> @@ -224,4 +224,10 @@ extern int finish_http_object_request(struct http_object_request *freq);
>  extern void abort_http_object_request(struct http_object_request *freq);
>  extern void release_http_object_request(struct http_object_request *freq);
>  
> +/* Debug callback and helper routine for curl_easy_setopt CURLOPT_DEBUGFUNCTION */
> +static struct trace_key trace_curl = TRACE_KEY_INIT(CURL);

Ah no, this would add 6 instances of the 'trace_curl' key in http-fetch.c, http-push.c, http-walker.c, http.c, imap-send.c and remote-curl.c. Hmm ... since these would end up in different executables (by and large) it might work OK, ... but is simply not necessary.

Also, patches #1 and #2 should be squashed into one patch and, since the curl_dump() function is only called from http.c, it can be a static symbol.

I think the minimal fixup (including Junio's comment on patch #2, which also triggered for me) is given in the patch below.

Hope that helps.

ATB, Ramsay Jones

Show 5 quoted lines
> +int curl_trace(CURL *handle, curl_infotype type, char *data, size_t size, void *userp);
> +void curl_dump(const char *text, unsigned char *ptr, size_t size, char nohex);
> +
> +
>  #endif /* HTTP_H */
-- >8 --
Subject: [PATCH] curl-trace: fix scope/visibility of various symbols
Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
---
 http.c | 9 +++------
 http.h | 3 +--
 2 files changed, 4 insertions(+), 8 deletions(-)
diff --git a/http.c b/http.c
index 64dd975..ce91421 100644
--- a/http.c
+++ b/http.c
@@ -11,9 +11,7 @@
 #include "gettext.h"
 #include "transport.h"
 
-/*
-tatic struct trace_key trace_curl = TRACE_KEY_INIT(CURL);
-*/
+struct trace_key trace_curl = TRACE_KEY_INIT(CURL);
 #if LIBCURL_VERSION_NUM >= 0x070a08
 long int git_curl_ipresolve = CURL_IPRESOLVE_WHATEVER;
 #else
@@ -468,12 +466,11 @@ static void set_curl_keepalive(CURL *c)
 #endif
 
 
-void curl_dump(const char *text, unsigned char *ptr, size_t size, char nohex)
+static void curl_dump(const char *text, unsigned char *ptr, size_t size, char nohex)
 {
 	size_t i;
 	size_t w;
-	struct strbuf out = STRBUF_INIT;;
-
+	struct strbuf out = STRBUF_INIT;
 	unsigned int width = 0x10;
 
 	if (nohex)
diff --git a/http.h b/http.h
index a2d10bc..00e4ad7 100644
--- a/http.h
+++ b/http.h
@@ -225,9 +225,8 @@ extern void abort_http_object_request(struct http_object_request *freq);
 extern void release_http_object_request(struct http_object_request *freq);
 
 /* Debug callback and helper routine for curl_easy_setopt CURLOPT_DEBUGFUNCTION */
-static struct trace_key trace_curl = TRACE_KEY_INIT(CURL);
+extern struct trace_key trace_curl;
 int curl_trace(CURL *handle, curl_infotype type, char *data, size_t size, void *userp);
-void curl_dump(const char *text, unsigned char *ptr, size_t size, char nohex);
 
 
 #endif /* HTTP_H */
-- 
2.8.0
Previous: Junio C HamanoNext: Ramsay Jones
Message 4 of 11 in “[PATCHv2 0/4] Implements the GIT_TRACE_CURL environment variable”
  1. Elia PintoApr 19, 2016
  2. 1/4 http.h: Add debug callback and helper routine for implementing the GIT_TRACE_CURL environment variable in http.cElia Pinto, Apr 19, 2016
  3. Junio C HamanoApr 19, 2016
  4. Ramsay JonesApr 19, 2016
  5. Ramsay JonesApr 19, 2016
  6. 2/4 http.c: implements the GIT_TRACE_CURL environment variableElia Pinto, Apr 19, 2016
  7. Junio C HamanoApr 19, 2016
  8. Junio C HamanoApr 19, 2016
  9. 3/4 git.txt: document the new GIT_TRACE_CURL environment variableElia Pinto, Apr 19, 2016
  10. 4/4 imap-send.c: introduce the GIT_TRACE_CURL enviroment variableElia Pinto, Apr 19, 2016
  11. Junio C HamanoApr 19, 2016

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