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fs/Traits: add GetFilenameSuffix()

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This commit is contained in:
Max Kellermann 2020-10-27 18:58:25 +01:00
parent 945ed2610a
commit 6f1a4a73b7
1 changed files with 16 additions and 0 deletions
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16
src/fs/Traits.hxx
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@ -88,6 +88,14 @@ struct PathTraitsFS {
#endif #endif
} }
gcc_pure
static const_pointer GetFilenameSuffix(const_pointer filename) noexcept {
const_pointer dot = StringFindLast(filename, '.');
return dot != nullptr && dot > filename && dot[1] != 0
? dot + 1
: nullptr;
}
#ifdef _WIN32 #ifdef _WIN32
gcc_pure gcc_nonnull_all gcc_pure gcc_nonnull_all
static constexpr bool IsDrive(const_pointer p) noexcept { static constexpr bool IsDrive(const_pointer p) noexcept {
@ -199,6 +207,14 @@ struct PathTraitsUTF8 {
return std::strrchr(p, SEPARATOR); return std::strrchr(p, SEPARATOR);
} }
gcc_pure
static const_pointer GetFilenameSuffix(const_pointer filename) noexcept {
const_pointer dot = StringFindLast(filename, '.');
return dot != nullptr && dot > filename && dot[1] != 0
? dot + 1
: nullptr;
}
#ifdef _WIN32 #ifdef _WIN32
gcc_pure gcc_nonnull_all gcc_pure gcc_nonnull_all
static constexpr bool IsDrive(const_pointer p) noexcept { static constexpr bool IsDrive(const_pointer p) noexcept {