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resolves #104: fix clang compiler error

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provide a local typedef instead of using a pure anonymous struct

also fix inconsistent whitespace
This commit is contained in:
Oliver Giles 2019-09-27 10:42:01 +03:00
parent b90f49987f
commit 21c097a7a9
1 changed files with 18 additions and 17 deletions
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35
src/log.h
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@ -27,23 +27,24 @@
// paths from being encoded into the binary at all. Assumes / is the
// path separator.
namespace _ {
constexpr const char* static_basename_impl(const char* b, const char* t) {
return *t == '\0' ? b : static_basename_impl(*t == '/' ? t+1 : b, t+1);
}
constexpr const char* static_basename(const char* p) {
return static_basename_impl(p, p);
}
constexpr int static_strlen(const char* s) {
return *s == '\0' ? 0 : static_strlen(s + 1) + 1;
}
template<int N, int...I>
static constexpr decltype(auto) static_alloc_str_impl(const char* str, std::integer_sequence<int, I...>) {
return (struct {char buf[N+1];}) {str[I]..., 0};
}
template<int N>
static constexpr decltype(auto) static_alloc_str(const char* str) {
return static_alloc_str_impl<N>(str, std::make_integer_sequence<int, N>());
}
constexpr const char* static_basename_impl(const char* b, const char* t) {
return *t == '\0' ? b : static_basename_impl(*t == '/' ? t+1 : b, t+1);
}
constexpr const char* static_basename(const char* p) {
return static_basename_impl(p, p);
}
constexpr int static_strlen(const char* s) {
return *s == '\0' ? 0 : static_strlen(s + 1) + 1;
}
template<int N, int...I>
static constexpr decltype(auto) static_alloc_str_impl(const char* str, std::integer_sequence<int, I...>) {
typedef struct {char buf[N+1];} static_null_terminated;
return (static_null_terminated) {str[I]..., '\0'};
}
template<int N>
static constexpr decltype(auto) static_alloc_str(const char* str) {
return static_alloc_str_impl<N>(str, std::make_integer_sequence<int, N>());
}
}
#define __FILE_BASE__ (_::static_alloc_str<_::static_strlen(_::static_basename(__FILE__))>(_::static_basename(__FILE__)).buf)