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[libmicrohttpd] 01/08: Replaced MHD_RESPMEM_MUST_FREE with more portable
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[libmicrohttpd] 01/08: Replaced MHD_RESPMEM_MUST_FREE with more portable solution in examples |
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Date: |
Sat, 14 May 2022 15:11:36 +0200 |
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karlson2k pushed a commit to branch master
in repository libmicrohttpd.
commit a13647d1d0418d612010e8ceb6fe560ffaffcf2d
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
AuthorDate: Sat May 14 14:36:39 2022 +0300
Replaced MHD_RESPMEM_MUST_FREE with more portable solution in examples
---
doc/examples/sessions.c | 32 +++++++++++++++++++-------------
src/examples/demo.c | 7 ++++---
src/examples/demo_https.c | 7 ++++---
src/examples/http_compression.c | 8 +++++---
src/examples/post_example.c | 14 ++++++++------
src/examples/querystring_example.c | 6 ++++--
src/include/microhttpd.h | 10 ++++++----
7 files changed, 50 insertions(+), 34 deletions(-)
diff --git a/doc/examples/sessions.c b/doc/examples/sessions.c
index 9b36c485..121cf2e0 100644
--- a/doc/examples/sessions.c
+++ b/doc/examples/sessions.c
@@ -347,19 +347,22 @@ fill_v1_form (const void *cls,
enum MHD_Result ret;
char *reply;
struct MHD_Response *response;
+ int reply_len;
(void) cls; /* Unused */
- if (-1 == MHD_asprintf (&reply,
- MAIN_PAGE,
- session->value_1))
+ reply_len = MHD_asprintf (&reply,
+ MAIN_PAGE,
+ session->value_1);
+ if (0 > reply_len)
{
/* oops */
return MHD_NO;
}
/* return static form */
- response = MHD_create_response_from_buffer (strlen (reply),
- (void *) reply,
- MHD_RESPMEM_MUST_FREE);
+ response =
+ MHD_create_response_from_buffer_with_free_callback ((size_t) reply_len,
+ (void *) reply,
+ &free);
add_session_cookie (session, response);
MHD_add_response_header (response,
MHD_HTTP_HEADER_CONTENT_ENCODING,
@@ -389,20 +392,23 @@ fill_v1_v2_form (const void *cls,
enum MHD_Result ret;
char *reply;
struct MHD_Response *response;
+ int reply_len;
(void) cls; /* Unused */
- if (-1 == MHD_asprintf (&reply,
- SECOND_PAGE,
- session->value_1,
- session->value_2))
+ reply_len = MHD_asprintf (&reply,
+ SECOND_PAGE,
+ session->value_1,
+ session->value_2);
+ if (0 > reply_len)
{
/* oops */
return MHD_NO;
}
/* return static form */
- response = MHD_create_response_from_buffer (strlen (reply),
- (void *) reply,
- MHD_RESPMEM_MUST_FREE);
+ response =
+ MHD_create_response_from_buffer_with_free_callback (reply_len,
+ (void *) reply,
+ &free);
add_session_cookie (session, response);
MHD_add_response_header (response,
MHD_HTTP_HEADER_CONTENT_ENCODING,
diff --git a/src/examples/demo.c b/src/examples/demo.c
index 1c24a57e..9aef573a 100644
--- a/src/examples/demo.c
+++ b/src/examples/demo.c
@@ -383,9 +383,10 @@ update_directory (void)
"%s",
INDEX_PAGE_FOOTER);
initial_allocation = rdc.buf_len; /* remember for next time */
- response = MHD_create_response_from_buffer (rdc.off,
- rdc.buf,
- MHD_RESPMEM_MUST_FREE);
+ response =
+ MHD_create_response_from_buffer_with_free_callback (rdc.off,
+ rdc.buf,
+ &free);
mark_as_html (response);
#if FORCE_CLOSE
(void) MHD_add_response_header (response,
diff --git a/src/examples/demo_https.c b/src/examples/demo_https.c
index 1a09d2c2..56008d7f 100644
--- a/src/examples/demo_https.c
+++ b/src/examples/demo_https.c
@@ -385,9 +385,10 @@ update_directory (void)
"%s",
INDEX_PAGE_FOOTER);
initial_allocation = rdc.buf_len; /* remember for next time */
- response = MHD_create_response_from_buffer (rdc.off,
- rdc.buf,
- MHD_RESPMEM_MUST_FREE);
+ response =
+ MHD_create_response_from_buffer_with_free_callback (rdc.off,
+ rdc.buf,
+ &free);
mark_as_html (response);
#if FORCE_CLOSE
(void) MHD_add_response_header (response,
diff --git a/src/examples/http_compression.c b/src/examples/http_compression.c
index a91a39a3..0f532cf0 100644
--- a/src/examples/http_compression.c
+++ b/src/examples/http_compression.c
@@ -130,9 +130,11 @@ ahc_echo (void *cls,
can_compress (connection))
comp = body_compress ((void **) &body_str,
&body_len);
- response = MHD_create_response_from_buffer (body_len,
- body_str,
- MHD_RESPMEM_MUST_FREE);
+ response =
+ MHD_create_response_from_buffer_with_free_callback (body_len,
+ body_str,
+ &free);
+
if (NULL == response)
{
free (body_str);
diff --git a/src/examples/post_example.c b/src/examples/post_example.c
index 709fc918..1b6a5a03 100644
--- a/src/examples/post_example.c
+++ b/src/examples/post_example.c
@@ -332,9 +332,10 @@ fill_v1_form (const void *cls,
MAIN_PAGE,
session->value_1);
/* return static form */
- response = MHD_create_response_from_buffer (slen,
- (void *) reply,
- MHD_RESPMEM_MUST_FREE);
+ response =
+ MHD_create_response_from_buffer_with_free_callback (slen,
+ (void *) reply,
+ &free);
if (NULL == response)
{
free (reply);
@@ -383,9 +384,10 @@ fill_v1_v2_form (const void *cls,
session->value_1,
session->value_2);
/* return static form */
- response = MHD_create_response_from_buffer (slen,
- (void *) reply,
- MHD_RESPMEM_MUST_FREE);
+ response =
+ MHD_create_response_from_buffer_with_free_callback (slen,
+ (void *) reply,
+ &free);
if (NULL == response)
{
free (reply);
diff --git a/src/examples/querystring_example.c
b/src/examples/querystring_example.c
index 57de5aa7..97a92ae2 100644
--- a/src/examples/querystring_example.c
+++ b/src/examples/querystring_example.c
@@ -72,8 +72,10 @@ ahc_echo (void *cls,
free (me);
return MHD_NO; /* Error forming the response body */
}
- response = MHD_create_response_from_buffer (resp_len, me,
- MHD_RESPMEM_MUST_FREE);
+ response =
+ MHD_create_response_from_buffer_with_free_callback (resp_len,
+ (void *) me,
+ &free);
if (response == NULL)
{
free (me);
diff --git a/src/include/microhttpd.h b/src/include/microhttpd.h
index 921ab56b..2f3a99a9 100644
--- a/src/include/microhttpd.h
+++ b/src/include/microhttpd.h
@@ -3624,10 +3624,12 @@ enum MHD_ResponseMemoryMode
* Buffer is heap-allocated with `malloc()` (or equivalent) and
* should be freed by MHD after processing the response has
* concluded (response reference counter reaches zero).
- * @warning Make sure that your application and MHD are using the same
- * C-runtime library (especially important for W32). if in doubt,
- * use function MHD_create_response_from_buffer_with_free_callback()
- * with '&free' as crfc parameter.
+ * The more portable way to automatically free the buffer is function
+ * MHD_create_response_from_buffer_with_free_callback() with '&free' as
+ * crfc parameter as it does not require to use the same runtime library.
+ * @warning It is critical to make sure that the same C-runtime library
+ * is used by both application and MHD (especially
+ * important for W32).
* @ingroup response
*/
MHD_RESPMEM_MUST_FREE,
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- [libmicrohttpd] branch master updated (f50b6be7 -> 83fe7b77), gnunet, 2022/05/14
- [libmicrohttpd] 02/08: MHD_create_response_from_buffer_copy(): fixed doxy, gnunet, 2022/05/14
- [libmicrohttpd] 04/08: Return NULL for MHD_CONNECTION_INFO_CLIENT_ADDRESS if information is not available, gnunet, 2022/05/14
- [libmicrohttpd] 01/08: Replaced MHD_RESPMEM_MUST_FREE with more portable solution in examples,
gnunet <=
- [libmicrohttpd] 03/08: Replaced MHD_RESPMEM_PERSISTENT usage in examples and code, gnunet, 2022/05/14
- [libmicrohttpd] 08/08: Fixed additional compiler warnings on W32, gnunet, 2022/05/14
- [libmicrohttpd] 05/08: Fixed return type for get_system_fdsetsize_value (), gnunet, 2022/05/14
- [libmicrohttpd] 06/08: Fixed handling of connections with non-standard client addresses (pipe or UNIX sockets)., gnunet, 2022/05/14
- [libmicrohttpd] 07/08: Fixed some compiler warnings on W32, gnunet, 2022/05/14