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AK: Migrate IPv6Address::to_deprecated_string() to ::to_string()

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Change the name and return type of
`IPv6Address::to_deprecated_string()` to `IPv6Address::to_string()`
with return type `ErrorOr<String>`.

It will now propagate errors that occur when writing to the
StringBuilder.

There are two users of `to_deprecated_string()` that now use
`to_string()`:

1. `Formatted<IPv6Address>`: it now propagates errors.

2. `inet_ntop`: it now sets errno to ENOMEM and returns.
This commit is contained in:
Peter Brottveit Bock 2023-05-30 01:02:45 +02:00 • committed by Sam Atkins
parent fdfffe2d8c
commit 49b29332f2
3 changed files with 30 additions and 22 deletions
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21
AK/IPv6Address.h
View file

@ -16,7 +16,7 @@
# include <AK/Error.h>
# include <Kernel/Library/KString.h>
#else
# include <AK/DeprecatedString.h>
# include <AK/String.h>
#endif
#include <AK/IPv4Address.h>
#include <AK/StringBuilder.h>
@ -51,25 +51,24 @@ public:
#ifdef KERNEL
ErrorOr<NonnullOwnPtr<Kernel::KString>> to_string() const
#else
DeprecatedString to_deprecated_string() const
ErrorOr<String> to_string() const
#endif
{
if (is_zero()) {
#ifdef KERNEL
return Kernel::KString::try_create("::"sv);
#else
return "::"sv;
return "::"_short_string;
#endif
}
// TODO: Error propagation
StringBuilder builder;
if (is_ipv4_mapped()) {
#ifdef KERNEL
return Kernel::KString::formatted("::ffff:{}.{}.{}.{}", m_data[12], m_data[13], m_data[14], m_data[15]);
#else
return DeprecatedString::formatted("::ffff:{}.{}.{}.{}", m_data[12], m_data[13], m_data[14], m_data[15]);
return String::formatted("::ffff:{}.{}.{}.{}", m_data[12], m_data[13], m_data[14], m_data[15]);
#endif
}
@ -99,24 +98,24 @@ public:
for (int i = 0; i < 8;) {
if (longest_zero_span_start.has_value() && longest_zero_span_start.value() == i) {
if (longest_zero_span_start.value() + zero_span_length >= 8)
builder.append("::"sv);
TRY(builder.try_append("::"sv));
else
builder.append(':');
TRY(builder.try_append(':'));
i += zero_span_length;
continue;
}
if (i == 0)
builder.appendff("{:x}", group(i));
TRY(builder.try_appendff("{:x}", group(i)));
else
builder.appendff(":{:x}", group(i));
TRY(builder.try_appendff(":{:x}", group(i)));
i++;
}
#ifdef KERNEL
return Kernel::KString::try_create(builder.string_view());
#else
return builder.string_view();
return builder.to_string();
#endif
}
@ -298,7 +297,7 @@ template<>
struct Formatter<IPv6Address> : Formatter<StringView> {
ErrorOr<void> format(FormatBuilder& builder, IPv6Address const& value)
{
return Formatter<StringView>::format(builder, value.to_deprecated_string());
return Formatter<StringView>::format(builder, TRY(value.to_string()));
}
};
#endif