99 lines
2.3 KiB
C
99 lines
2.3 KiB
C
/*
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This file is part of telegram-client.
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Telegram-client is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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Telegram-client is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this telegram-client. If not, see <http://www.gnu.org/licenses/>.
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Copyright Vitaly Valtman 2013
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <openssl/err.h>
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#include <zlib.h>
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#include "interface.h"
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#include "tools.h"
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extern int verbosity;
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static void out_of_memory (void) {
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logprintf ("Out of memory\n");
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assert (0 && "Out of memory");
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}
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void *trealloc (void *ptr, size_t size) {
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void *p = realloc (ptr, size);
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ensure_ptr (p);
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return p;
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}
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void *talloc (size_t size) {
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void *p = malloc (size);
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ensure_ptr (p);
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return p;
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}
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void *talloc0 (size_t size) {
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void *p = talloc (size);
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memset (p, 0, size);
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return p;
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}
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char *tstrdup (const char *s) {
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char *p = strdup (s);
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if (p == NULL) {
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out_of_memory ();
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}
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return p;
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}
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void ensure (int r) {
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if (!r) {
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logprintf ("Open SSL error\n");
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ERR_print_errors_fp (stderr);
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assert (0);
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}
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}
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void ensure_ptr (void *p) {
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if (p == NULL) {
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out_of_memory ();
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}
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}
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int tinflate (void *input, int ilen, void *output, int olen) {
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z_stream strm;
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memset (&strm, 0, sizeof (strm));
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assert (inflateInit2 (&strm, 16 + MAX_WBITS) == Z_OK);
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strm.avail_in = ilen;
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strm.next_in = input;
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strm.avail_out = olen ;
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strm.next_out = output;
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int err = inflate (&strm, Z_FINISH), total_out = 0;
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if (err == Z_OK || err == Z_STREAM_END) {
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total_out = (int) strm.total_out;
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if (err == Z_STREAM_END && verbosity >= 2) {
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logprintf ( "inflated %d bytes\n", (int) strm.total_out);
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}
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}
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if (verbosity && err != Z_STREAM_END) {
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logprintf ( "inflate error = %d\n", err);
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logprintf ( "inflated %d bytes\n", (int) strm.total_out);
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}
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inflateEnd (&strm);
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return total_out;
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}
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