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25 Commits

Author SHA1 Message Date
Max Kellermann
73b5d0a9b9 system/Error: truncate the snprintf() return value 
snprintf() does not return the (truncated) length actually written,
but the length that would be needed if the buffer were large enough.
This API usage mistake in FormatLastError() can lead to overflow of
the stack buffer, crashing the process (Windows only).

Closes https://github.com/MusicPlayerDaemon/MPD/issues/1676
 2022-11-28 09:42:37 +01:00
Max Kellermann
96707c0426 release v0.22.7 
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Merge tag 'v0.22.7'

release v0.22.7
 2021-05-19 18:43:19 +02:00
Max Kellermann
a169a05e41 win32, ...: avoid including windows.h 
Include the most specific header documented by MSDN instead.
 2021-05-19 17:25:32 +02:00
Max Kellermann
6cdb3ff21e use [[gnu::pure]] instead of gcc_pure 
This is semi-standard and doesn't require the util/Compiler.h header.
 2021-02-12 18:34:16 +01:00
Max Kellermann
155fc8fa5a include cleanup 2020-07-23 16:26:18 +02:00
Rosen Penev
edc4989d9c
change errno.h to cerrno 
The former is deprecated by C++14. It's also functionally the same.

From the standard:

19.4
The header<cerrno>is described in Table 43. Its contents are the same as
the POSIX header<errno.h>,except that errno shall be defined as a macro.
[Note: The intent is to remain in close alignment with the POSIX
standard.] A separate errno value shall be provided for each thread.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
 2020-03-12 15:51:16 -07:00
Max Kellermann
ce093be12c system/Error: add FormatFileNotFound() 2019-12-04 12:33:38 +01:00
Max Kellermann
2c276770f0 util/PrintException, ...: update copyright 2019-12-04 12:33:36 +01:00
Max Kellermann
75a592f629 system/Error: move code to IsErrno() 2019-12-04 12:33:33 +01:00
Max Kellermann
ec54754e22 Compiler.h: move to util/ 2018-08-20 16:19:17 +02:00
Max Kellermann
6246d36fe6 Merge branch 'v0.20.x' 2017-12-16 20:56:06 +01:00
Max Kellermann
dfaf08743c *: check defined(_WIN32) instead of defined(WIN32) 
Only _WIN32 is defined by the compiler, and WIN32 is not standardized
and may be missing.

Closes #169
 2017-12-12 10:22:20 +01:00
Max Kellermann
a6e62479be system/Error: include cleanup 2017-09-13 17:49:37 +02:00
Max Kellermann
6c825064ea system/Error: add more "noexcept" 2017-09-13 17:48:13 +02:00
Max Kellermann
71f0ed8b74 *: add "noexcept" to many, many function prototypes 
This eliminates some overhead, because the compiler doesn't need to
consider these functions throwing.
 2017-05-08 14:44:49 +02:00
Max Kellermann
6eea56861b AUTHORS, ...: update my email address 2017-01-17 11:54:55 +01:00
Max Kellermann
c6e1ca1c22 system/Error: use std::generic_category() for errno on Windows 
It's wrong to use std::system_category() for both GetLastError() and
errno on Windows.  Apparently, everybody uses std::generic_category()
for errno values, which appears to be a safe choice.

Some discussion on this confusing topic can be found here:

 https://stackoverflow.com/questions/28746372/system-error-categories-and-standard-system-error-codes
 2016-12-04 20:07:11 +01:00
Max Kellermann
30dc473697 system/Error: allow using errno functions on Windows 
The Windows standard library emulates part of POSIX, which includes
errno.
 2016-12-04 20:07:09 +01:00
Max Kellermann
fc7d3f64c0 input/Plugin: migrate open() from class Error to C++ exceptions 2016-09-09 18:15:01 +02:00
Max Kellermann
a61f153df7 system/Error: add missing include 2016-07-02 13:59:47 +02:00
Max Kellermann
08754e6ce7 system/Error: add IsAccessDenied() 2015-12-29 12:56:26 +01:00
Max Kellermann
672e18cac9 system/Error: fix duplicate strerror() call 
Apparently, the std::system_error constructor appends strerror()
already.
 2015-12-27 06:05:53 +01:00
Max Kellermann
fe60c52c70 system/Error: add MakeErrno(), MakeLastError() 2015-12-18 01:08:16 +01:00
Max Kellermann
93f4590453 system/Error: add IsFileNotFound() 2015-12-18 00:54:23 +01:00
Max Kellermann
3092e5a8a5 system/Error: helper library for constructing std::system_error 2015-12-16 00:07:51 +01:00