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nghttp2_hd_*_new: Leave *inflater_ptr or *deflater_ptr untouched on failure

This commit is contained in:
Tatsuhiro Tsujikawa 2014-06-25 21:26:47 +09:00
parent 55c338d7af
commit 16fef227e8
2 changed files with 32 additions and 6 deletions
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4
lib/includes/nghttp2/nghttp2.h
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@ -2784,6 +2784,8 @@ typedef struct nghttp2_hd_deflater nghttp2_hd_deflater;
* The |deflate_hd_table_bufsize_max| is the upper bound of header
* table size the deflater will use.
*
* If this function fails, |*deflater_ptr| is left untouched.
*
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
@ -2892,6 +2894,8 @@ typedef struct nghttp2_hd_inflater nghttp2_hd_inflater;
*
* Initializes |*inflater_ptr| for inflating name/values pairs.
*
* If this function fails, |*inflater_ptr| is left untouched.
*
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*

34
lib/nghttp2_hd.c
View File

@ -1315,13 +1315,24 @@ size_t nghttp2_hd_deflate_bound(nghttp2_hd_deflater *deflater,
int nghttp2_hd_deflate_new(nghttp2_hd_deflater **deflater_ptr,
size_t deflate_hd_table_bufsize_max)
{
*deflater_ptr = malloc(sizeof(nghttp2_hd_deflater));
int rv;
nghttp2_hd_deflater *deflater;
if(*deflater_ptr == NULL) {
deflater = malloc(sizeof(nghttp2_hd_deflater));
if(deflater == NULL) {
return NGHTTP2_ERR_NOMEM;
}
return nghttp2_hd_deflate_init2(*deflater_ptr, deflate_hd_table_bufsize_max);
rv = nghttp2_hd_deflate_init2(deflater, deflate_hd_table_bufsize_max);
if(rv != 0) {
return rv;
}
*deflater_ptr = deflater;
return 0;
}
void nghttp2_hd_deflate_del(nghttp2_hd_deflater *deflater)
@ -2015,13 +2026,24 @@ int nghttp2_hd_inflate_end_headers(nghttp2_hd_inflater *inflater)
int nghttp2_hd_inflate_new(nghttp2_hd_inflater **inflater_ptr)
{
*inflater_ptr = malloc(sizeof(nghttp2_hd_inflater));
int rv;
nghttp2_hd_inflater *inflater;
if(*inflater_ptr == NULL) {
inflater = malloc(sizeof(nghttp2_hd_inflater));
if(inflater == NULL) {
return NGHTTP2_ERR_NOMEM;
}
return nghttp2_hd_inflate_init(*inflater_ptr);
rv = nghttp2_hd_inflate_init(inflater);
if(rv != 0) {
return rv;
}
*inflater_ptr = inflater;
return 0;
}
void nghttp2_hd_inflate_del(nghttp2_hd_inflater *inflater)