66 lines
3.0 KiB
C
66 lines
3.0 KiB
C
#pragma once
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#include "assert.h"
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#include "stdarg.h"
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#include "stddef.h"
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#include "minmax.h"
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#define islower(c) (('a' <= (c)) && ((c) <= 'z'))
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#define isupper(c) (('A' <= (c)) && ((c) <= 'Z'))
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#define isdigit(c) (('0' <= (c)) && ((c) <= '9'))
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#define isspace(c) \
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(((c) == ' ') || ((c) == '\t') || ((c) == '\f') || ((c) == '\n') || ((c) == '\r') || \
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((c) == '\v'))
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#define isprint(c) ((' ' <= (c)) && ((c) <= '~'))
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/** compares the first @param n bytes (each interpreted as
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* unsigned char) of the memory areas @param s1 and @param s2.
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*/
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__attribute__ ((access (read_only, 1, 3), access (read_only, 2, 3))) int memcmp(const void *s1, const void *s2, size_t n);
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/**
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* copies n bytes from memory area src to memory area dest. The memory areas may overlap
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*/
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__attribute__ ((access (write_only, 1, 3), access (read_only, 2, 3))) void *memmove(void *dest, const void *src, size_t n);
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__attribute__ ((access (write_only, 1, 3), access (read_only, 2, 3))) void *memcpy(void *dest, const void *src, size_t n);
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__attribute__ ((access (write_only, 1, 3))) 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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size_t strlen(const char s[]);
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__attribute__ ((access (read_only, 1, 2))) unsigned int strnlen(const char *s, size_t count);
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int strcmp(const char s1[], const char s2[]);
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__attribute__ ((access (read_only, 2), access (write_only, 1, 3))) char *strzcpy(char *dst, const char *src, int len);
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int puts(const char *str);
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int putc(const char str);
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int vsnprintf(char *str, size_t size, const char *format, va_list ap) __attribute__ ((__format__ (printf, 3, 0)));
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int vprintf(const char *format, va_list ap) __attribute__ ((__format__ (printf, 1, 0)));
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int printf(const char *format, ...) __attribute__ ((__format__ (printf, 1, 2)));
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// Could be used after malloc is available
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int asprintf(char **strp, const char *fmt, ...) __attribute__ ((__format__ (printf, 2, 3)));
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int vasprintf(char **strp, const char *fmt, va_list ap) __attribute__ ((__format__ (printf, 2, 0)));
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/*
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* Dummy printk for disabled debugging statements to use whilst maintaining
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* gcc's format checking.
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*/
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#define no_printf(fmt, ...) \
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({ \
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if (0) \
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printf(fmt, ##__VA_ARGS__); \
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0; \
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})
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#ifndef pr_fmt
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#define pr_fmt(fmt) fmt
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#endif
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#ifdef DEBUG
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#define pr_devel(fmt, ...) printf(pr_fmt(fmt), ##__VA_ARGS__)
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#else
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#define pr_devel(fmt, ...) no_printf(pr_fmt(fmt), ##__VA_ARGS__)
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#endif
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#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);}
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