diff options
Diffstat (limited to 'binfile.c')
| -rw-r--r-- | binfile.c | 39 |
1 files changed, 39 insertions, 0 deletions
@@ -4,6 +4,12 @@ static inline void write_u8(FILE *fp, U8 u8) { putc(u8, fp); } +static inline void write_i8(FILE *fp, I8 i8) { + U8 byte = (U8)(i8 < 0 ? -i8 : +i8); + if (i8 < 0) byte |= 0x80; + putc(byte, fp); +} + /* note: a bit of testing seems to reveal that the portable versions for u16/32 are faster than fwrite (but this is not the case for u64). @@ -14,11 +20,21 @@ static inline void write_u16(FILE *fp, U16 u16) { putc(u16 >> 8, fp); } +static inline void write_i16(FILE *fp, I16 i16) { + write_u8(fp, (U8)(i16 & 0xFF)); + write_i8(fp, (I8)(i16 / 0x100)); /* division is necessary here to keep sign */ +} + static inline void write_u32(FILE *fp, U32 u32) { write_u16(fp, u32 & 0xFFFF); write_u16(fp, (U16)(u32 >> 16)); } +static inline void write_i32(FILE *fp, I32 i32) { + write_u16(fp, (U16)(i32 & 0xFFFF)); + write_i16(fp, (I16)(i32 / 0x10000)); +} + static void write_u64(FILE *fp, U64 u64) { #if BINFILE_PORTABLE write_u32(fp, u64 & 0xFFFFFFFF); @@ -28,4 +44,27 @@ static void write_u64(FILE *fp, U64 u64) { #endif } +static void write_i64(FILE *fp, I64 i64) { +#if BINFILE_PORTABLE + write_u32(fp, (U32)(i64 & 0xFFFFFFFF)); + write_i32(fp, (I32)(i64 / 0x100000000)); +#else + fwrite(&i64, sizeof i64, 1, fp); +#endif +} +static void write_f32(FILE *fp, F32 f32) { +#if BINFILE_PORTABLE + /* TODO */ +#else + fwrite(&f32, sizeof f32, 1, fp); +#endif +} + +static void write_f64(FILE *fp, F64 f64) { +#if BINFILE_PORTABLE + /* TODO */ +#else + fwrite(&f64, sizeof f64, 1, fp); +#endif +} |