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Add FMT_FORMAT_ARGS(fmt, ...) macro to C API to simplify user-defined format wrappers

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This commit is contained in:
Ferdinand Bachmann 2026-03-20 14:28:25 +01:00
parent 9afcd929ba
commit 1899aea29f
1 changed files with 8 additions and 5 deletions
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13
include/fmt/fmt-c.h
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@ -181,11 +181,14 @@ typedef enum {} fmt_signed_char;
(fmt_arg[]) { FMT_MAP(FMT_MAKE_ARG, ##__VA_ARGS__) }
# define FMT_EXPAND(v) v
# define fmt_format(buffer, size, fmt, ...) \
fmt_vformat((buffer), (size), (fmt), \
FMT_EXPAND(FMT_VA_SELECT(FMT_MAKE_NULL, FMT_MAKE_ARGLIST, \
##__VA_ARGS__)(__VA_ARGS__)), \
FMT_NARG(, ##__VA_ARGS__))
# define FMT_FORMAT_ARGS(fmt, ...) \
(fmt), \
FMT_EXPAND(FMT_VA_SELECT(FMT_MAKE_NULL, FMT_MAKE_ARGLIST, \
##__VA_ARGS__)(__VA_ARGS__)), \
FMT_NARG(, ##__VA_ARGS__)
# define fmt_format(buffer, size, fmt, ...) \
fmt_vformat((buffer), (size), FMT_FORMAT_ARGS((fmt), ##__VA_ARGS__))
#endif // __cplusplus