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warnOnce(): Fix boost exception when the message contains a format character

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This commit is contained in:
Eelco Dolstra 2022-09-30 15:21:43 +02:00
parent cbade16f9e
commit 241dd5481e
3 changed files with 6 additions and 10 deletions
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2
src/libexpr/paths.cc
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@ -52,7 +52,7 @@ SourcePath EvalState::decodePath(std::string_view s, PosIdx pos)
SourcePath path {accessor->second, CanonPath(s)};
static bool warned = false;
warnOnce(warned, fmt("applying 'toString' to path '%s' and then accessing it is deprecated, at %s", path, positions[pos]));
warnOnce(warned, "applying 'toString' to path '%s' and then accessing it is deprecated, at %s", path, positions[pos]);
return path;
} catch (std::invalid_argument & e) {

8
src/libutil/logging.cc
View file

@ -105,14 +105,6 @@ public:
Verbosity verbosity = lvlInfo;
void warnOnce(bool & haveWarned, const FormatOrString & fs)
{
if (!haveWarned) {
warn(fs.s);
haveWarned = true;
}
}
void writeToStderr(std::string_view s)
{
try {

6
src/libutil/logging.hh
View file

@ -225,7 +225,11 @@ inline void warn(const std::string & fs, const Args & ... args)
logger->warn(f.str());
}
void warnOnce(bool & haveWarned, const FormatOrString & fs);
#define warnOnce(haveWarned, args...) \
if (!haveWarned) { \
haveWarned = true; \
warn(args); \
}
void writeToStderr(std::string_view s);