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AK: Convert AK::Format formatting helpers to returning ErrorOr<void>

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This isn't a complete conversion to ErrorOr<void>, but a good chunk.
The end goal here is to propagate buffer allocation failures to the
caller, and allow the use of TRY() with formatting functions.
This commit is contained in:
Andreas Kling 2021-11-16 01:15:21 +01:00
parent 008355c222
commit 216e21a1fa
87 changed files with 450 additions and 448 deletions
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29
Userland/Utilities/strace.cpp
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@ -273,7 +273,7 @@ struct Formatter<BitflagDerivative> : StandardFormatter {
{
}
void format(FormatBuilder& format_builder, BitflagDerivative const& value)
ErrorOr<void> format(FormatBuilder& format_builder, BitflagDerivative const& value)
{
bool had_any_output = false;
int remaining = value.flagset;
@ -283,25 +283,27 @@ struct Formatter<BitflagDerivative> : StandardFormatter {
continue;
remaining &= ~option.value;
if (had_any_output)
format_builder.put_literal(" | ");
format_builder.put_literal(option.name);
TRY(format_builder.put_literal(" | "));
TRY(format_builder.put_literal(option.name));
had_any_output = true;
}
if (remaining != 0) {
// No more BitflagOptions are available. Any remaining flags are unrecognized.
if (had_any_output)
format_builder.put_literal(" | ");
TRY(format_builder.put_literal(" | "));
format_builder.builder().appendff("0x{:x} (?)", static_cast<unsigned>(remaining));
had_any_output = true;
}
if (!had_any_output) {
if constexpr (requires { BitflagDerivative::default_; })
format_builder.put_literal(BitflagDerivative::default_);
TRY(format_builder.put_literal(BitflagDerivative::default_));
else
format_builder.put_literal("0");
TRY(format_builder.put_literal("0"));
}
return {};
}
};
}
@ -319,13 +321,14 @@ struct Formatter<PointerArgument> : StandardFormatter {
{
}
void format(FormatBuilder& format_builder, PointerArgument const& value)
ErrorOr<void> format(FormatBuilder& format_builder, PointerArgument const& value)
{
auto& builder = format_builder.builder();
if (value.value == nullptr)
builder.append("null");
else
builder.appendff("{}", value.value);
return {};
}
};
}
@ -478,25 +481,27 @@ static void format_ioctl(FormattedSyscallBuilder& builder, int fd, unsigned requ
namespace AK {
template<>
struct Formatter<struct timespec> : StandardFormatter {
void format(FormatBuilder& format_builder, struct timespec value)
ErrorOr<void> format(FormatBuilder& format_builder, struct timespec value)
{
auto& builder = format_builder.builder();
builder.appendff("{{tv_sec={}, tv_nsec={}}}", value.tv_sec, value.tv_nsec);
return {};
}
};
template<>
struct Formatter<struct timeval> : StandardFormatter {
void format(FormatBuilder& format_builder, struct timeval value)
ErrorOr<void> format(FormatBuilder& format_builder, struct timeval value)
{
auto& builder = format_builder.builder();
builder.appendff("{{tv_sec={}, tv_usec={}}}", value.tv_sec, value.tv_usec);
return {};
}
};
template<>
struct Formatter<struct stat> : StandardFormatter {
void format(FormatBuilder& format_builder, struct stat value)
ErrorOr<void> format(FormatBuilder& format_builder, struct stat value)
{
auto& builder = format_builder.builder();
builder.appendff(
@ -504,6 +509,7 @@ struct Formatter<struct stat> : StandardFormatter {
"st_size={}, st_blksize={}, st_blocks={}, st_atim={}, st_mtim={}, st_ctim={}}}",
value.st_dev, value.st_ino, value.st_mode, value.st_nlink, value.st_uid, value.st_gid, value.st_rdev,
value.st_size, value.st_blksize, value.st_blocks, value.st_atim, value.st_mtim, value.st_ctim);
return {};
}
};
}
@ -561,7 +567,7 @@ static void format_select(FormattedSyscallBuilder& builder, Syscall::SC_select_p
namespace AK {
template<>
struct Formatter<struct sockaddr> : StandardFormatter {
void format(FormatBuilder& format_builder, struct sockaddr address)
ErrorOr<void> format(FormatBuilder& format_builder, struct sockaddr address)
{
auto& builder = format_builder.builder();
builder.append("{sa_family=");
@ -579,6 +585,7 @@ struct Formatter<struct sockaddr> : StandardFormatter {
address_un->sun_path);
}
builder.append('}');
return {};
}
};
}