diff options
Diffstat (limited to 'lib/content_encoding.c')
| -rw-r--r-- | lib/content_encoding.c | 130 |
1 files changed, 66 insertions, 64 deletions
diff --git a/lib/content_encoding.c b/lib/content_encoding.c index 6d4753788..e2e68a116 100644 --- a/lib/content_encoding.c +++ b/lib/content_encoding.c @@ -5,7 +5,7 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al. + * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms @@ -81,11 +81,11 @@ typedef enum { } zlibInitState; /* Writer parameters. */ -typedef struct { +struct zlib_params { zlibInitState zlib_init; /* zlib init state */ uInt trailerlen; /* Remaining trailer byte count. */ z_stream z; /* State structure for zlib. */ -} zlib_params; +}; static voidpf @@ -133,7 +133,8 @@ exit_zlib(struct connectdata *conn, return result; } -static CURLcode process_trailer(struct connectdata *conn, zlib_params *zp) +static CURLcode process_trailer(struct connectdata *conn, + struct zlib_params *zp) { z_stream *z = &zp->z; CURLcode result = CURLE_OK; @@ -157,9 +158,10 @@ static CURLcode process_trailer(struct connectdata *conn, zlib_params *zp) } static CURLcode inflate_stream(struct connectdata *conn, - contenc_writer *writer, zlibInitState started) + struct contenc_writer *writer, + zlibInitState started) { - zlib_params *zp = (zlib_params *) &writer->params; + struct zlib_params *zp = (struct zlib_params *) &writer->params; z_stream *z = &zp->z; /* zlib state structure */ uInt nread = z->avail_in; Bytef *orig_in = z->next_in; @@ -259,9 +261,9 @@ static CURLcode inflate_stream(struct connectdata *conn, /* Deflate handler. */ static CURLcode deflate_init_writer(struct connectdata *conn, - contenc_writer *writer) + struct contenc_writer *writer) { - zlib_params *zp = (zlib_params *) &writer->params; + struct zlib_params *zp = (struct zlib_params *) &writer->params; z_stream *z = &zp->z; /* zlib state structure */ if(!writer->downstream) @@ -278,10 +280,10 @@ static CURLcode deflate_init_writer(struct connectdata *conn, } static CURLcode deflate_unencode_write(struct connectdata *conn, - contenc_writer *writer, + struct contenc_writer *writer, const char *buf, size_t nbytes) { - zlib_params *zp = (zlib_params *) &writer->params; + struct zlib_params *zp = (struct zlib_params *) &writer->params; z_stream *z = &zp->z; /* zlib state structure */ /* Set the compressed input when this function is called */ @@ -296,29 +298,29 @@ static CURLcode deflate_unencode_write(struct connectdata *conn, } static void deflate_close_writer(struct connectdata *conn, - contenc_writer *writer) + struct contenc_writer *writer) { - zlib_params *zp = (zlib_params *) &writer->params; + struct zlib_params *zp = (struct zlib_params *) &writer->params; z_stream *z = &zp->z; /* zlib state structure */ exit_zlib(conn, z, &zp->zlib_init, CURLE_OK); } -static const content_encoding deflate_encoding = { +static const struct content_encoding deflate_encoding = { "deflate", NULL, deflate_init_writer, deflate_unencode_write, deflate_close_writer, - sizeof(zlib_params) + sizeof(struct zlib_params) }; /* Gzip handler. */ static CURLcode gzip_init_writer(struct connectdata *conn, - contenc_writer *writer) + struct contenc_writer *writer) { - zlib_params *zp = (zlib_params *) &writer->params; + struct zlib_params *zp = (struct zlib_params *) &writer->params; z_stream *z = &zp->z; /* zlib state structure */ if(!writer->downstream) @@ -432,10 +434,10 @@ static enum { #endif static CURLcode gzip_unencode_write(struct connectdata *conn, - contenc_writer *writer, + struct contenc_writer *writer, const char *buf, size_t nbytes) { - zlib_params *zp = (zlib_params *) &writer->params; + struct zlib_params *zp = (struct zlib_params *) &writer->params; z_stream *z = &zp->z; /* zlib state structure */ if(zp->zlib_init == ZLIB_INIT_GZIP) { @@ -560,33 +562,31 @@ static CURLcode gzip_unencode_write(struct connectdata *conn, } static void gzip_close_writer(struct connectdata *conn, - contenc_writer *writer) + struct contenc_writer *writer) { - zlib_params *zp = (zlib_params *) &writer->params; + struct zlib_params *zp = (struct zlib_params *) &writer->params; z_stream *z = &zp->z; /* zlib state structure */ exit_zlib(conn, z, &zp->zlib_init, CURLE_OK); } -static const content_encoding gzip_encoding = { +static const struct content_encoding gzip_encoding = { "gzip", "x-gzip", gzip_init_writer, gzip_unencode_write, gzip_close_writer, - sizeof(zlib_params) + sizeof(struct zlib_params) }; #endif /* HAVE_LIBZ */ #ifdef HAVE_BROTLI - /* Writer parameters. */ -typedef struct { +struct brotli_params { BrotliDecoderState *br; /* State structure for brotli. */ -} brotli_params; - +}; static CURLcode brotli_map_error(BrotliDecoderErrorCode be) { @@ -627,10 +627,9 @@ static CURLcode brotli_map_error(BrotliDecoderErrorCode be) } static CURLcode brotli_init_writer(struct connectdata *conn, - contenc_writer *writer) + struct contenc_writer *writer) { - brotli_params *bp = (brotli_params *) &writer->params; - + struct brotli_params *bp = (struct brotli_params *) &writer->params; (void) conn; if(!writer->downstream) @@ -641,10 +640,10 @@ static CURLcode brotli_init_writer(struct connectdata *conn, } static CURLcode brotli_unencode_write(struct connectdata *conn, - contenc_writer *writer, + struct contenc_writer *writer, const char *buf, size_t nbytes) { - brotli_params *bp = (brotli_params *) &writer->params; + struct brotli_params *bp = (struct brotli_params *) &writer->params; const uint8_t *src = (const uint8_t *) buf; char *decomp; uint8_t *dst; @@ -689,10 +688,9 @@ static CURLcode brotli_unencode_write(struct connectdata *conn, } static void brotli_close_writer(struct connectdata *conn, - contenc_writer *writer) + struct contenc_writer *writer) { - brotli_params *bp = (brotli_params *) &writer->params; - + struct brotli_params *bp = (struct brotli_params *) &writer->params; (void) conn; if(bp->br) { @@ -701,40 +699,40 @@ static void brotli_close_writer(struct connectdata *conn, } } -static const content_encoding brotli_encoding = { +static const struct content_encoding brotli_encoding = { "br", NULL, brotli_init_writer, brotli_unencode_write, brotli_close_writer, - sizeof(brotli_params) + sizeof(struct brotli_params) }; #endif /* Identity handler. */ static CURLcode identity_init_writer(struct connectdata *conn, - contenc_writer *writer) + struct contenc_writer *writer) { (void) conn; return writer->downstream? CURLE_OK: CURLE_WRITE_ERROR; } static CURLcode identity_unencode_write(struct connectdata *conn, - contenc_writer *writer, + struct contenc_writer *writer, const char *buf, size_t nbytes) { return Curl_unencode_write(conn, writer->downstream, buf, nbytes); } static void identity_close_writer(struct connectdata *conn, - contenc_writer *writer) + struct contenc_writer *writer) { (void) conn; (void) writer; } -static const content_encoding identity_encoding = { +static const struct content_encoding identity_encoding = { "identity", "none", identity_init_writer, @@ -745,7 +743,7 @@ static const content_encoding identity_encoding = { /* supported content encodings table. */ -static const content_encoding * const encodings[] = { +static const struct content_encoding * const encodings[] = { &identity_encoding, #ifdef HAVE_LIBZ &deflate_encoding, @@ -762,8 +760,8 @@ static const content_encoding * const encodings[] = { char *Curl_all_content_encodings(void) { size_t len = 0; - const content_encoding * const *cep; - const content_encoding *ce; + const struct content_encoding * const *cep; + const struct content_encoding *ce; char *ace; for(cep = encodings; *cep; cep++) { @@ -796,14 +794,14 @@ char *Curl_all_content_encodings(void) /* Real client writer: no downstream. */ static CURLcode client_init_writer(struct connectdata *conn, - contenc_writer *writer) + struct contenc_writer *writer) { (void) conn; return writer->downstream? CURLE_WRITE_ERROR: CURLE_OK; } static CURLcode client_unencode_write(struct connectdata *conn, - contenc_writer *writer, + struct contenc_writer *writer, const char *buf, size_t nbytes) { struct Curl_easy *data = conn->data; @@ -818,13 +816,13 @@ static CURLcode client_unencode_write(struct connectdata *conn, } static void client_close_writer(struct connectdata *conn, - contenc_writer *writer) + struct contenc_writer *writer) { (void) conn; (void) writer; } -static const content_encoding client_encoding = { +static const struct content_encoding client_encoding = { NULL, NULL, client_init_writer, @@ -836,14 +834,14 @@ static const content_encoding client_encoding = { /* Deferred error dummy writer. */ static CURLcode error_init_writer(struct connectdata *conn, - contenc_writer *writer) + struct contenc_writer *writer) { (void) conn; return writer->downstream? CURLE_OK: CURLE_WRITE_ERROR; } static CURLcode error_unencode_write(struct connectdata *conn, - contenc_writer *writer, + struct contenc_writer *writer, const char *buf, size_t nbytes) { char *all = Curl_all_content_encodings(); @@ -861,13 +859,13 @@ static CURLcode error_unencode_write(struct connectdata *conn, } static void error_close_writer(struct connectdata *conn, - contenc_writer *writer) + struct contenc_writer *writer) { (void) conn; (void) writer; } -static const content_encoding error_encoding = { +static const struct content_encoding error_encoding = { NULL, NULL, error_init_writer, @@ -877,12 +875,13 @@ static const content_encoding error_encoding = { }; /* Create an unencoding writer stage using the given handler. */ -static contenc_writer *new_unencoding_writer(struct connectdata *conn, - const content_encoding *handler, - contenc_writer *downstream) +static struct contenc_writer * +new_unencoding_writer(struct connectdata *conn, + const struct content_encoding *handler, + struct contenc_writer *downstream) { - size_t sz = offsetof(contenc_writer, params) + handler->paramsize; - contenc_writer *writer = (contenc_writer *) calloc(1, sz); + size_t sz = offsetof(struct contenc_writer, params) + handler->paramsize; + struct contenc_writer *writer = (struct contenc_writer *)calloc(1, sz); if(writer) { writer->handler = handler; @@ -897,7 +896,8 @@ static contenc_writer *new_unencoding_writer(struct connectdata *conn, } /* Write data using an unencoding writer stack. */ -CURLcode Curl_unencode_write(struct connectdata *conn, contenc_writer *writer, +CURLcode Curl_unencode_write(struct connectdata *conn, + struct contenc_writer *writer, const char *buf, size_t nbytes) { if(!nbytes) @@ -910,7 +910,7 @@ void Curl_unencode_cleanup(struct connectdata *conn) { struct Curl_easy *data = conn->data; struct SingleRequest *k = &data->req; - contenc_writer *writer = k->writer_stack; + struct contenc_writer *writer = k->writer_stack; while(writer) { k->writer_stack = writer->downstream; @@ -921,12 +921,13 @@ void Curl_unencode_cleanup(struct connectdata *conn) } /* Find the content encoding by name. */ -static const content_encoding *find_encoding(const char *name, size_t len) +static const struct content_encoding *find_encoding(const char *name, + size_t len) { - const content_encoding * const *cep; + const struct content_encoding * const *cep; for(cep = encodings; *cep; cep++) { - const content_encoding *ce = *cep; + const struct content_encoding *ce = *cep; if((strncasecompare(name, ce->name, len) && !ce->name[len]) || (ce->alias && strncasecompare(name, ce->alias, len) && !ce->alias[len])) return ce; @@ -962,8 +963,8 @@ CURLcode Curl_build_unencoding_stack(struct connectdata *conn, Curl_httpchunk_init(conn); /* init our chunky engine. */ } else if(namelen) { - const content_encoding *encoding = find_encoding(name, namelen); - contenc_writer *writer; + const struct content_encoding *encoding = find_encoding(name, namelen); + struct contenc_writer *writer; if(!k->writer_stack) { k->writer_stack = new_unencoding_writer(conn, &client_encoding, NULL); @@ -997,7 +998,8 @@ CURLcode Curl_build_unencoding_stack(struct connectdata *conn, return CURLE_NOT_BUILT_IN; } -CURLcode Curl_unencode_write(struct connectdata *conn, contenc_writer *writer, +CURLcode Curl_unencode_write(struct connectdata *conn, + struct contenc_writer *writer, const char *buf, size_t nbytes) { (void) conn; |