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#ifndef COMMON_H
#define COMMON_H
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#ifdef WIN32
#define fseeko fseeko64
#define ftello ftello64
#define off_t off64_t
#define mkdir(x, y) mkdir(x)
#define PATH_SEPARATOR "\\"
#else
#define PATH_SEPARATOR "/"
#endif
#define TRUE 1
#define FALSE 0
#define FLIPENDIAN(x) flipEndian((unsigned char *)(&(x)), sizeof(x))
#define FLIPENDIANLE(x) flipEndianLE((unsigned char *)(&(x)), sizeof(x))
#define IS_BIG_ENDIAN 0
#define IS_LITTLE_ENDIAN 1
#define TIME_OFFSET_FROM_UNIX 2082844800L
#define APPLE_TO_UNIX_TIME(x) ((x)-TIME_OFFSET_FROM_UNIX)
#define UNIX_TO_APPLE_TIME(x) ((x) + TIME_OFFSET_FROM_UNIX)
#define ASSERT(x, m) \
if (!(x)) { \
fflush(stdout); \
fprintf(stderr, "error: %s\n", m); \
perror("error"); \
fflush(stderr); \
exit(1); \
}
extern char endianness;
static inline void flipEndian(unsigned char *x, int length) {
int i;
unsigned char tmp;
if (endianness == IS_BIG_ENDIAN) {
return;
} else {
for (i = 0; i < (length / 2); i++) {
tmp = x[i];
x[i] = x[length - i - 1];
x[length - i - 1] = tmp;
}
}
}
static inline void flipEndianLE(unsigned char *x, int length) {
int i;
unsigned char tmp;
if (endianness == IS_LITTLE_ENDIAN) {
return;
} else {
for (i = 0; i < (length / 2); i++) {
tmp = x[i];
x[i] = x[length - i - 1];
x[length - i - 1] = tmp;
}
}
}
static inline void hexToBytes(const char *hex, uint8_t **buffer,
size_t *bytes) {
*bytes = strlen(hex) / 2;
*buffer = (uint8_t *)malloc(*bytes);
size_t i;
for (i = 0; i < *bytes; i++) {
uint32_t byte;
sscanf(hex, "%2x", &byte);
(*buffer)[i] = byte;
hex += 2;
}
}
static inline void hexToInts(const char *hex, unsigned int **buffer,
size_t *bytes) {
*bytes = strlen(hex) / 2;
*buffer = (unsigned int *)malloc((*bytes) * sizeof(int));
size_t i;
for (i = 0; i < *bytes; i++) {
sscanf(hex, "%2x", &((*buffer)[i]));
hex += 2;
}
}
struct io_func_struct;
typedef int (*readFunc)(struct io_func_struct *io, off_t location, size_t size,
void *buffer);
typedef int (*writeFunc)(struct io_func_struct *io, off_t location, size_t size,
void *buffer);
typedef void (*closeFunc)(struct io_func_struct *io);
typedef struct io_func_struct {
void *data;
readFunc read;
writeFunc write;
closeFunc close;
} io_func;
struct AbstractFile;
unsigned char *decodeBase64(char *toDecode, size_t *dataLength);
void writeBase64(struct AbstractFile *file, unsigned char *data,
size_t dataLength, int tabLength, int width);
char *convertBase64(unsigned char *data, size_t dataLength, int tabLength,
int width);
#endif