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 22:48, Ramsay Jones wrote:
> 
[snip]

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

BTW, if you want to have a single static instance of the 'struct trace_key',
then the following patch on top should work. (Also, I have compiled and run
the testsuite on these patches, but _not_ tested that the trace functionality
actually works!) ;-)

HTH

ATB,
Ramsay Jones
-- >8 --
Subject: [PATCH] curl-trace: reduce visibility of the trace key struct

Signed-off-by: Ramsay Jones <ram...@ramsayjones.plus.com>
---
 http.c      | 9 +++++++--
 http.h      | 2 +-
 imap-send.c | 2 +-
 3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/http.c b/http.c
index ce91421..eed6dba 100644
--- a/http.c
+++ b/http.c
@@ -11,7 +11,7 @@
 #include "gettext.h"
 #include "transport.h"
 
-struct trace_key trace_curl = TRACE_KEY_INIT(CURL);
+static struct trace_key trace_curl = TRACE_KEY_INIT(CURL);
 #if LIBCURL_VERSION_NUM >= 0x070a08
 long int git_curl_ipresolve = CURL_IPRESOLVE_WHATEVER;
 #else
@@ -516,6 +516,11 @@ static void curl_dump(const char *text, unsigned char 
*ptr, size_t size, char no
        }
 }
 
+int curl_trace_want(void)
+{
+       return trace_want(&trace_curl);
+}
+
 int curl_trace(CURL *handle, curl_infotype type,
             char *data, size_t size, void *userp)
 {
@@ -652,7 +657,7 @@ static CURL *get_curl_handle(void)
                        "your curl version is too old (>= 7.19.4)");
 #endif
 
-       if (trace_want(&trace_curl)) {
+       if (curl_trace_want()) {
                curl_easy_setopt(result, CURLOPT_VERBOSE, 1L);
                curl_easy_setopt(result, CURLOPT_DEBUGFUNCTION, curl_trace);
                curl_easy_setopt(result, CURLOPT_DEBUGDATA, NULL);
diff --git a/http.h b/http.h
index 00e4ad7..153ff17 100644
--- a/http.h
+++ b/http.h
@@ -225,7 +225,7 @@ 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 */
-extern struct trace_key trace_curl;
+int curl_trace_want(void);
 int curl_trace(CURL *handle, curl_infotype type, char *data, size_t size, void 
*userp);
 
 
diff --git a/imap-send.c b/imap-send.c
index 36ff843..627ffa4 100644
--- a/imap-send.c
+++ b/imap-send.c
@@ -1444,7 +1444,7 @@ static CURL *setup_curl(struct imap_server_conf *srvc)
        if (0 < verbosity || getenv("GIT_CURL_VERBOSE"))
                curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
 
-       if (trace_want(&trace_curl)) {
+       if (curl_trace_want()) {
                curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
                curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, curl_trace);
                curl_easy_setopt(curl, CURLOPT_DEBUGDATA, NULL);
-- 
2.8.0

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