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feat(common): type and nullptr aliases

This commit is contained in:
thetek 2023-04-25 13:04:24 +02:00
parent 96d05f7e61
commit ea058316be
1 changed files with 37 additions and 0 deletions
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37
lib/inc/common.h
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@ -1,8 +1,10 @@
#ifndef CUTILS_COMMON_H_
#define CUTILS_COMMON_H_
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <sys/types.h>
#define max(a, b) ((a) > (b) ? (a) : (b)) /* find the maximum of two numbers */
#define min(a, b) ((a) < (b) ? (a) : (b)) /* find the minimum of two numbers */
@ -20,6 +22,41 @@
# endif
#endif
/* integer abbreviations */
typedef signed char schar;
typedef unsigned char uchar;
typedef unsigned short ushort;
typedef unsigned int uint;
typedef unsigned long ulong;
typedef unsigned long long ullong;
typedef long long llong;
/* fixed-size integers */
typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
typedef uint64_t u64;
typedef int8_t i8;
typedef int16_t i16;
typedef int32_t i32;
typedef int64_t i64;
/* sizes */
typedef size_t usize;
typedef ssize_t isize;
/* floating point types */
typedef float f32;
typedef double f64;
/* fixed-size booleans */
typedef uint8_t b8;
typedef uint16_t b16;
typedef uint32_t b32;
typedef uint64_t b64;
/* nullptr from C23 */
#if __STDC_VERSION__ < 202000L
# define nullptr NULL
typedef void *nullptr_t;
#endif
void *smalloc (size_t size); /* safe malloc */
void *srealloc (void *ptr, size_t size); /* safe realloc */
int rand_range (int min, int max); /* create a random number within an interval */