[Debian-zh-dev] Bug#1082327: -Wunused-result warning: ignoring return value in buildlog

[xiao sheng wen]

Source: qterm
Version: 1:0.8.2-1
Severity: minor
Tags: upstream
X-Debbugs-Cc: Xiaoqiang Wang <xiaoqiangwang at gmail.com>, atzlinux at sina.com

Hi,

   qterm 0.8.2 there are some -Wunused-result warning when build on Debian sid
gcc-14 in buildlog:

/<<PKGBUILDDIR>>/src/main.cpp: In function ‘void sig_fatal_handler(int)’:
/<<PKGBUILDDIR>>/src/main.cpp:65:11: warning: ignoring return value of ‘int chdir(const char*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   65 |     chdir (QTERM_SIG_LOG_DIR);
      |     ~~~~~~^~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/main.cpp:76:11: warning: ignoring return value of ‘ssize_t write(int, const void*, size_t)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   76 |     write (fd, _buf, strlen (_buf));
      |     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
--
/<<PKGBUILDDIR>>/src/qtermframe.cpp: In member function ‘void QTerm::Frame::keyClicked(int)’:
/<<PKGBUILDDIR>>/src/qtermframe.cpp:821:15: warning: ignoring return value of ‘int system(const char*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  821 |         system((strTmp.mid(1) + " &").toLocal8Bit());
      |         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
/<<PKGBUILDDIR>>/src/qtermglobal.cpp: In member function ‘void QTerm::Global::openUrl(const QString&)’:
/<<PKGBUILDDIR>>/src/qtermglobal.cpp:857:11: warning: ignoring return value of ‘int system(const char*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  857 |     system(command.toUtf8().data());
      |     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

The whole buildlog can see in:
https://buildd.debian.org/status/fetch.php?pkg=qterm&arch=amd64&ver=1%3A0.8.2-1&stamp=1726766979&raw=0

Thanks!

-- System Information:
Release:	12.7.1
Codename:	bookworm
Architecture: x86_64

Kernel: Linux 6.10.9-rt-amd64 (SMP w/16 CPU threads; PREEMPT)
Locale: LANG=C, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE=zh_CN:zh
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

-- no debconf information