MythTV  master
mythaverror.cpp
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1 /*
2  * Copyright (c) David Hampton 2020
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include <cstring>
20 #include "mythaverror.h"
21 
22 // \brief A quick and dirty C++ equivalent to av_strerror
23 //
24 // The caller must supply the stdstring.
25 //
26 // \see av_strerror
27 int av_strerror_stdstring (int errnum, std::string &errbuf)
28 {
29  errbuf.resize(AV_ERROR_MAX_STRING_SIZE);
30  int rc = av_strerror(errnum, errbuf.data(), errbuf.size());
31  errbuf.resize(strlen(errbuf.data()));
32  return rc;
33 }
34 
35 // \brief A C++ equivalent to av_make_error_string
36 //
37 // The caller must supply the stdstring so that the data pointer
38 // remains valid after this function returns.
39 //
40 // \see av_make_error_string
41 char *av_make_error_stdstring(std::string &errbuf, int errnum)
42 {
43  av_strerror_stdstring(errnum, errbuf);
44  return errbuf.data();
45 }
av_strerror_stdstring
int av_strerror_stdstring(int errnum, std::string &errbuf)
Definition: mythaverror.cpp:27
mythaverror.h
av_make_error_stdstring
char * av_make_error_stdstring(std::string &errbuf, int errnum)
Definition: mythaverror.cpp:41