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Cleanup the C API

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This commit is contained in:
Victor Zverovich 2026-03-08 14:33:23 -07:00
parent eb03303099
commit c29b64dde7
1 changed files with 10 additions and 9 deletions
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19
include/fmt/fmt-c.h
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@ -96,7 +96,8 @@ typedef signed char fmt_signed_char;
# else
typedef enum {} fmt_signed_char;
# endif
// Require modern MSVC with conformant preprocessor
// Require modern MSVC with conformant preprocessor.
# if defined(_MSC_VER) && (!defined(_MSVC_TRADITIONAL) || _MSVC_TRADITIONAL)
# error "C API requires MSVC 2019+ with /Zc:preprocessor flag."
# endif
@ -127,12 +128,12 @@ typedef enum {} fmt_signed_char;
# define FMT_CAT(a, b) FMT_CAT_(a, b)
# define FMT_CAT_(a, b) a##b
# define FMT_NARG_(_id, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, \
_13, _14, _15, _16, N, ...) \
# define FMT_NARG_(_unused, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, \
_12, _13, _14, _15, _16, N, ...) \
N
# define FMT_NARG(_dummy, ...) \
FMT_NARG_(dummy, ##__VA_ARGS__, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, \
4, 3, 2, 1, 0)
# define FMT_NARG(_unused, ...) \
FMT_NARG_(, ##__VA_ARGS__, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, \
3, 2, 1, 0)
# define FMT_MAP_0(...)
# define FMT_MAP_1(f, a) f(a)
@ -170,9 +171,9 @@ typedef enum {} fmt_signed_char;
// select between two expressions depending on whether __VA_ARGS__ is empty
// expands to e if __VA_ARGS__ is empty and n otherwise
# define FMT_VA_SELECT(e, n, ...) \
FMT_NARG_(dummy, ##__VA_ARGS__, n, n, n, n, n, n, n, n, n, n, n, n, n, n, \
n, n, e)
# define FMT_VA_SELECT(e, n, ...) \
FMT_NARG_(, ##__VA_ARGS__, n, n, n, n, n, n, n, n, n, n, n, n, n, n, n, n, \
e)
# define FMT_MAKE_NULL(...) NULL
# define FMT_MAKE_ARGLIST(...) \