2 tofuproxy -- flexible HTTP proxy, TLS terminator, X.509 certificates
3 manager, WARC/Gemini browser
4 Copyright (C) 2021 Sergey Matveev <stargrave@stargrave.org>
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, version 3 of the License.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include <sys/endian.h>
27 main(int argc, char **argv)
29 ZSTD_CCtx *ctx = ZSTD_createCCtx();
31 fputs("can not initialize ZSTD_createCCtx\n", stderr);
34 size_t zCode = ZSTD_CCtx_setParameter(ctx, ZSTD_c_checksumFlag, 1);
35 if (ZSTD_isError(zCode)) {
36 fprintf(stderr, "can not setParameter: %s\n", ZSTD_getErrorName(zCode));
39 zCode = ZSTD_CCtx_setParameter(ctx, ZSTD_c_compressionLevel, ZSTD_maxCLevel());
40 if (ZSTD_isError(zCode)) {
41 fprintf(stderr, "can not setParameter: %s\n", ZSTD_getErrorName(zCode));
46 uint8_t *src = malloc(srcSize);
48 fprintf(stderr, "can not allocate memory: %zu\n", srcSize);
53 size_t srcWantSize = 0;
54 size_t dstWantSize = 0;
57 n = fread(src, 1, 8, stdin);
62 perror("can not fread(stdin)");
65 srcWantSize = (size_t)be64dec(src);
66 if (srcWantSize > srcSize) {
68 srcSize = srcWantSize;
69 src = malloc(srcSize);
71 fprintf(stderr, "can not allocate memory: %zu\n", srcSize);
75 n = fread(src, 1, srcWantSize, stdin);
76 if (n < srcWantSize) {
77 fprintf(stderr, "IS: %zu %zu\n", n, srcWantSize);
78 fputs("insufficient data fed\n", stderr);
81 dstWantSize = ZSTD_compressBound(srcWantSize);
82 if (dstWantSize > dstSize) {
84 dstSize = dstWantSize;
85 dst = malloc(dstSize);
87 fprintf(stderr, "can not allocate memory: %zu\n", dstSize);
91 zCode = ZSTD_compress2(ctx, dst, dstSize, src, srcWantSize);
92 if (ZSTD_isError(zCode)) {
93 fprintf(stderr, "can not compress: %s\n", ZSTD_getErrorName(zCode));
96 n = fwrite(dst, 1, zCode, stdout);
98 perror("can not fwrite(stdout)");