diff options
Diffstat (limited to 'lib/content_encoding.c')
| -rw-r--r-- | lib/content_encoding.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/lib/content_encoding.c b/lib/content_encoding.c index 876115a32..3276ef988 100644 --- a/lib/content_encoding.c +++ b/lib/content_encoding.c @@ -24,9 +24,6 @@ #ifdef HAVE_LIBZ -#include <stdlib.h> -#include <string.h> - #include "urldata.h" #include <curl/curl.h> #include "sendf.h" @@ -52,6 +49,21 @@ #define COMMENT 0x10 /* bit 4 set: file comment present */ #define RESERVED 0xE0 /* bits 5..7: reserved */ +static voidpf +zalloc_cb(voidpf opaque, unsigned int items, unsigned int size) +{ + (void) opaque; + /* not a typo, keep it calloc() */ + return (voidpf) calloc(items, size); +} + +static void +zfree_cb(voidpf opaque, voidpf ptr) +{ + (void) opaque; + free(ptr); +} + static CURLcode process_zlib_error(struct connectdata *conn, z_stream *z) { @@ -161,11 +173,10 @@ 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)); + z->zalloc = (alloc_func)zalloc_cb; + z->zfree = (free_func)zfree_cb; + if(inflateInit(z) != Z_OK) return process_zlib_error(conn, z); k->zlib_init = ZLIB_INIT; @@ -272,11 +283,9 @@ 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)); + z->zalloc = (alloc_func)zalloc_cb; + z->zfree = (free_func)zfree_cb; if(strcmp(zlibVersion(), "1.2.0.4") >= 0) { /* zlib ver. >= 1.2.0.4 supports transparent gzip decompressing */ |