ref: e35585960c5b814a00e216fdc6f7fa1503134250
dir: /include/asm/format.h/
/* * This file is part of RGBDS. * * Copyright (c) 2020, RGBDS contributors. * * SPDX-License-Identifier: MIT */ #ifndef RGBDS_FORMAT_SPEC_H #define RGBDS_FORMAT_SPEC_H #include <stdint.h> #include <stdbool.h> enum FormatState { FORMAT_SIGN, // expects '+' or ' ' (optional) FORMAT_PREFIX, // expects '#' (optional) FORMAT_ALIGN, // expects '-' (optional) FORMAT_WIDTH, // expects '0'-'9', max 255 (optional) (leading '0' indicates pad) FORMAT_FRAC, // got '.', expects '0'-'9', max 255 (optional) FORMAT_DONE, // got [duXxbofs] (required) FORMAT_INVALID, // got unexpected character }; struct FormatSpec { enum FormatState state; int sign; bool prefix; bool alignLeft; bool padZero; size_t width; bool hasFrac; size_t fracWidth; int type; bool valid; }; struct StrFmtArg { union { uint32_t number; char *string; }; bool isNumeric; }; #define INITIAL_STRFMT_ARG_SIZE 4 struct StrFmtArgList { char *format; size_t nbArgs; size_t capacity; struct StrFmtArg *args; }; struct FormatSpec fmt_NewSpec(void); bool fmt_IsEmpty(struct FormatSpec const *fmt); bool fmt_IsValid(struct FormatSpec const *fmt); bool fmt_IsFinished(struct FormatSpec const *fmt); void fmt_UseCharacter(struct FormatSpec *fmt, int c); void fmt_FinishCharacters(struct FormatSpec *fmt); void fmt_PrintString(char *buf, size_t bufLen, struct FormatSpec const *fmt, char const *value); void fmt_PrintNumber(char *buf, size_t bufLen, struct FormatSpec const *fmt, uint32_t value); #endif /* RGBDS_FORMAT_SPEC_H */