diff options
Diffstat (limited to 'sw/z80/libc')
| -rw-r--r-- | sw/z80/libc/include/stdint.h | 13 | ||||
| -rw-r--r-- | sw/z80/libc/include/stdlib.h | 7 | ||||
| -rw-r--r-- | sw/z80/libc/include/types.h | 60 | ||||
| -rw-r--r-- | sw/z80/libc/string.c | 20 |
4 files changed, 89 insertions, 11 deletions
diff --git a/sw/z80/libc/include/stdint.h b/sw/z80/libc/include/stdint.h new file mode 100644 index 0000000..5e8caf3 --- /dev/null +++ b/sw/z80/libc/include/stdint.h @@ -0,0 +1,13 @@ +#ifndef __STDINT_H__ +#define __STDINT_H__ + +typedef unsigned int uint; + +typedef char int8_t; +typedef unsigned char uint8_t; +typedef int int16_t; +typedef unsigned int uint16_t; +typedef long int int32_t; +typedef unsigned long int uint32_t; + +#endif // __STDINT_H__
\ No newline at end of file diff --git a/sw/z80/libc/include/stdlib.h b/sw/z80/libc/include/stdlib.h new file mode 100644 index 0000000..c69f573 --- /dev/null +++ b/sw/z80/libc/include/stdlib.h @@ -0,0 +1,7 @@ +#ifndef __STDLIB_H__ +#define __STDLIB_H__ + +#include "stdint.h" + + +#endif // __STDLIB_H__
\ No newline at end of file diff --git a/sw/z80/libc/include/types.h b/sw/z80/libc/include/types.h new file mode 100644 index 0000000..a083bfe --- /dev/null +++ b/sw/z80/libc/include/types.h @@ -0,0 +1,60 @@ +#ifndef __TYPES_H__ +#define __TYPES_H__ + +/* only types from primitive types are defined in this file */ + +typedef volatile unsigned char register_t; + +typedef unsigned int uint; + +typedef char int8_t; +typedef unsigned char uint8_t; +typedef int int16_t; +typedef unsigned int uint16_t; +typedef long int int32_t; +typedef unsigned long int uint32_t; + +typedef uint16_t size_t; +typedef int16_t ssize_t; + +typedef uint8_t pid_t; +typedef uint16_t ino_t; + +typedef uint8_t dev_t; +typedef uint32_t devsize_t; +typedef uint8_t fd_t; +typedef uint16_t blk_t; +typedef uint8_t user_t; +typedef struct { + uint8_t member[3]; +} uint24_t; + +typedef uint32_t fsize_t; + +typedef struct +{ + dev_t dev; // device id, global in the fs + ino_t inode; // inode id relative to the volume + +} inode_t; + +typedef struct time_s +{ + struct + { + uint minutes :6; + uint hour :5; + + } time; + + struct + { + uint day :5; + uint month :4; + uint year :12; + + } date; + +} time_t; + +#endif diff --git a/sw/z80/libc/string.c b/sw/z80/libc/string.c index 9dd56cc..57b3a7f 100644 --- a/sw/z80/libc/string.c +++ b/sw/z80/libc/string.c @@ -1,11 +1,11 @@ #include "string.h" -void * memset(void *dest, const int8_t src, size_t n) { +void *memset(void *dest, const int8_t src, size_t n) { - void *dp = dest; + char *dp = (char *) dest; while (n--) - *dp++ = src; + *(dp++) = src; return dest; } @@ -22,16 +22,14 @@ void *memcpy(void *dest, void *src, size_t n) return dest; } -int8_t memcmp(const void *s1, const void *s2, size_t n) { - - uint8_t u1, u2; - - for ( ; n--; s1++, s2++) { +int8_t memcmp(void *s1, void *s2, size_t n) +{ + char *u1 = (char *) s1; + char *u2 = (char *) s2; - u1 = *s1; - u2 = *s2; + for ( ; n--; u1++, u2++) { - if (u1 != u2) + if (*u1 != *u2) return u1 - u2; } |