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/*
* Copyright (C) 2010 Simon Kagstrom
*
* See COPYING for license details
*/
#ifndef __UTILS_H__
#define __UTILS_H__
#include <assert.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#define ARRAY_SIZE(x) (sizeof(x) / sizeof(*x))
#define BUG_ON(cond)
#define error(x...) do \
{ \
fprintf(stderr, "=============ERROR ERROR ERROR===========\n"); \
fprintf(stderr, "%s:%d: ", __FILE__, __LINE__); fprintf(stderr, x); \
fprintf(stderr, "=========================================\n"); \
assert(0); \
exit(1); \
} while(0)
#define warning(x...) do \
{ \
fprintf(stderr, "==============WARNING WARNING============\n"); \
fprintf(stderr, "%s:%d: ", __FILE__, __LINE__); fprintf(stderr, x); \
fprintf(stderr, "=========================================\n"); \
} while(0)
#define panic(x...) do { error(x); abort(); } while(0)
#define panic_if(cond, x...) \
do { if ((cond)) panic(x); } while(0)
#define warning_if(cond, x...) \
do { if ((cond)) warning(x); } while(0)
static inline char *xstrdup(const char *s)
{
char *out = strdup(s);
panic_if(!out, "strdup failed");
return out;
}
static inline void *xmalloc(size_t sz)
{
void *out = malloc(sz);
panic_if(!out, "malloc failed");
memset(out, 0, sz);
return out;
}
static inline void *xrealloc(void *ptr, size_t sz)
{
void *out = realloc(ptr, sz);
panic_if(!out, "malloc failed");
return out;
}
#define xsnprintf(buf, size, fmt, x...) do { \
int r = snprintf(buf, size, fmt, x); \
panic_if(r < 0 || r >= (int)(size), "snprintf failed for %s with %d\n", fmt, r); \
} while(0)
extern int write_file(const void *data, size_t len, const char *fmt, ...);
extern void *read_file(size_t *out_size, const char *fmt, ...);
extern const char *dir_concat(const char *dir, const char *filename);
#define xwrite_file(data, len, dir...) do { \
int r = write_file(data, len, dir); \
panic_if (r != 0, "write_file failed with %d\n", r); \
} while(0)
extern int file_exists(const char *path);
extern int concat_files(const char *dst, const char *file_a, const char *file_b);
unsigned long get_aligned(unsigned long addr);
unsigned long get_aligned_4b(unsigned long addr);
#endif /* __UTILS_H__ */
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