matos/core/klibc.h

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C
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#pragma once
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#include "assert.h"
#include "stdarg.h"
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#include "minmax.h"
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#define islower(c) (('a' <= (c)) && ((c) <= 'z'))
#define isupper(c) (('A' <= (c)) && ((c) <= 'Z'))
#define isdigit(c) (('0' <= (c)) && ((c) <= '9'))
#define isspace(c) \
(((c) == ' ') || ((c) == '\t') || ((c) == '\f') || ((c) == '\n') || ((c) == '\r') || \
((c) == '\v'))
#define isprint(c) ((' ' <= (c)) && ((c) <= '~'))
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int memcmp(const void *s1, const void *s2, size_t n);
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void *memcpy(void *dest, const void *src, size_t n);
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void *memset(void *s, int c, size_t n);
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char *itoa(long long int value, char *str, int base);
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int atoi(const char *str);
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void reverse(char s[]);
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int strlen(const char s[]);
unsigned int strnlen(const char *s, size_t count);
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int strcmp(const char s1[], const char s2[]);
char *strzcpy(char *dst, const char *src, int len);
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int puts(const char *str);
int putc(const char str);
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int vsnprintf(char *str, size_t size, const char *format, va_list ap);
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int vprintf(const char *format, va_list ap);
int printf(const char *format, ...);
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// Could be used after malloc is available
int asprintf(char **strp, const char *fmt, ...);
int vasprintf(char **strp, const char *fmt, va_list ap);
/*
* Dummy printk for disabled debugging statements to use whilst maintaining
* gcc's format checking.
*/
#define no_printf(fmt, ...) \
({ \
if (0) \
printf(fmt, ##__VA_ARGS__); \
0; \
})
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#ifndef pr_fmt
#define pr_fmt(fmt) fmt
#endif
#ifdef DEBUG
#define pr_devel(fmt, ...) printf(pr_fmt(fmt), ##__VA_ARGS__)
#else
#define pr_devel(fmt, ...) no_printf(pr_fmt(fmt), ##__VA_ARGS__)
#endif
#define pr_info(fmt, ...) printf(pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_err(fmt, ...) {printf(pr_fmt(fmt), ##__VA_ARGS__); assert(0);}