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

[Ramsay Jones]

On 19/04/16 16:10, Elia Pinto wrote:
> 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 <tbo...@web.de>
> Helped-by: Ramsay Jones <ram...@ramsayjones.plus.com>
> Helped-by: Junio C Hamano <gits...@pobox.com>
> Helped-by: Eric Sunshine <sunsh...@sunshineco.com> 
> Helped-by: Jeff King <p...@peff.net>
> Signed-off-by: Elia Pinto <gitter.spi...@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

> +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 <ram...@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

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