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zlib: enforce full initialization of our data space z_stream structs

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This commit is contained in:
Yang Tse 2011-08-18 20:09:26 +02:00
parent 1833984664
commit 9afb343368
2 changed files with 3 additions and 13 deletions
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12
lib/content_encoding.c
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@ -158,11 +158,7 @@ Curl_unencode_deflate_write(struct connectdata *conn,
/* Initialize zlib? */
if(k->zlib_init == ZLIB_UNINIT) {
z->zalloc = (alloc_func)Z_NULL;
z->zfree = (free_func)Z_NULL;
z->opaque = 0;
z->next_in = NULL;
z->avail_in = 0;
memset(z, 0, sizeof(z_stream));
if(inflateInit(z) != Z_OK)
return process_zlib_error(conn, z);
k->zlib_init = ZLIB_INIT;
@ -269,11 +265,7 @@ Curl_unencode_gzip_write(struct connectdata *conn,
/* Initialize zlib? */
if(k->zlib_init == ZLIB_UNINIT) {
z->zalloc = (alloc_func)Z_NULL;
z->zfree = (free_func)Z_NULL;
z->opaque = 0;
z->next_in = NULL;
z->avail_in = 0;
memset(z, 0, sizeof(z_stream));
if(strcmp(zlibVersion(), "1.2.0.4") >= 0) {
/* zlib ver. >= 1.2.0.4 supports transparent gzip decompressing */

4
src/mkhelp.pl
View File

@ -177,11 +177,9 @@ void hugehelp(void)
return;
headerlen = 10;
memset(&z, 0, sizeof(z_stream));
z.avail_in = (unsigned int)(sizeof(hugehelpgz) - headerlen);
z.next_in = (unsigned char *)hugehelpgz + headerlen;
z.zalloc = (alloc_func)Z_NULL;
z.zfree = (free_func)Z_NULL;
z.opaque = 0;
if (inflateInit2(&z, -MAX_WBITS) != Z_OK)
return;