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#ifndef UTIL_H
#define UTIL_H
#include <stdlib.h>
/* This is commonly used, so put here for easy access. */
#define MYALLOC(TYPE, LEN) (TYPE*)malloc(sizeof(TYPE) * (LEN))
typedef long DATA;
typedef long NUM;
typedef unsigned long long UNUM; /* definitely bigger than size_t */
typedef unsigned char BOOL;
#define HC_ATTR __attribute__((__hot__, __const__))
#define H_ATTR __attribute__((__hot__))
#define P_ATTR __attribute__((__pure__))
#define C_ATTR __attribute__((__const__))
#define UNUSED __attribute__((__unused__))
#define U_ATTR UNUSED
#define D_ATTR(X) __attribute__((__unused__, __deprecated__("This is deprecated.\n" \
"Please use " X \
" instead")))
#define UD_ATTR __attribute__((__unused__, __deprecated__))
#define UC_ATTR __attribute__((__unused__, __const__))
#define UH_ATTR __attribute__((__unused__, __hot__))
#define UHP_ATTR __attribute__((__unused__, __hot__, __pure__))
#define UHC_ATTR __attribute__((__unused__, __hot__, __const__))
#define HP_ATTR __attribute__((__hot__, __pure__))
/* For convenient declarations */
#define CC_MOD(X) const X const
#define CCR_MOD(X) const X const restrict
#define eprintf(...) fprintf(stderr, __VA_ARGS__)
#define fleprintf0(M) eprintf("%s:%d, " M, __FILE__, __LINE__)
#define fleprintf(M, ...) eprintf("%s:%d, " M, __FILE__, __LINE__, __VA_ARGS__)
#define SAFE_MALLOC(TYPE, VAR, LEN, CLEAN) do { \
VAR = malloc(sizeof (TYPE) * (LEN)); \
if (VAR == NULL) { \
fleprintf0("Fail to malloc\n"); \
{ CLEAN }; \
} \
} while (0)
#define SAFE_CALLOC(TYPE, VAR, LEN, CLEAN) do { \
VAR = calloc((LEN), sizeof (TYPE)); \
if (VAR == NULL) { \
fleprintf0("Fail to calloc\n"); \
{ CLEAN }; \
} \
} while (0)
#define SAFE_REALLOC(TYPE, VAR, LEN, CLEAN) do { \
TYPE *macro_new_var = \
realloc(VAR, sizeof (TYPE) * (LEN)); \
if (macro_new_var == NULL) { \
fleprintf0("Fail to realloc\n"); \
{ CLEAN }; \
} else { \
VAR = macro_new_var; \
} \
} while (0)
/* very convenient macro */
#define PASTER2(X, Y, Z) X ## Y ## Z
#define PASTER(X, Y, Z) PASTER2(X, Y, Z)
BOOL read_entire_file(const char *file_name, char **str, NUM *len);
/* The purpose of this macro is to be used at the end of a macro
defining a function, so that we can add a semicolon when calling
that macro. I was using the keyword _Static_assert, but that
requires C11, which sounds kind of absurd to me. */
#define MY_Static_MES(MES) struct STATIC_STRUCT_s
#endif
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