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