helper.h

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#ifndef __HELPER__
#define __HELPER__

#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include "config.h"

extern int verbose;

#ifdef USE_UNICODE
#define CHAR int64_t
#define STRLEN(a) ustrlen(a);
#define U8_LENGTH(a)    ( ( (*(char*)(a)) & 0b10000000 ) ?  /* More then one byte?                */ \
                        ( ( (*(char*)(a)) & 0b01000000 ) ?  /* Is this really only the beginning? */ \
                        ( ( (*(char*)(a)) & 0b00100000 ) ?  /* More then two bytes?               */ \
                        ( ( (*(char*)(a)) & 0b00010000 ) ?  /* More then three bytes?             */ \
                        ( ( (*(char*)(a)) & 0b00001000 ) ?  /* More then four bytes?              */ \
                        ( ( (*(char*)(a)) & 0b00000100 ) ?  /* More then five bytes?              */ \
                            6 : 5 )                         /* 5 or 6 bytes                       */ \
                              : 4 )                         /* 4 bytes                            */ \
                              : 3 )                         /* 3 bytes                            */ \
                              : 2 )                         /* 2 bytes                            */ \
                              :-1 )                         /* In the middle of sequence          */ \
                              : 1 )                         /* 1 byte                             */
#else
#define U8_LENGTH(a) 1
#define CHAR char
#define STRLEN(a) strlen(a);
#endif

#ifdef DEBUG
#define FLUSH fflush(NULL); usleep(10000);
#else
#define FLUSH
#endif

#define VPRINTF(...)    if(0<verbose) do { printf(__VA_ARGS__); FLUSH } while(false)

#define WPRINTF(...)    if(1<verbose) do { printf(__VA_ARGS__); FLUSH } while(false)

#define VWPRINTF(...)   if(2<verbose) do { printf(__VA_ARGS__); FLUSH } while(false)

#ifdef USE_PTHREADS
char     *getword(FILE * input, int slot, unsigned int* occurrences=NULL);
#else
char     *getword(FILE * input, unsigned int* occurrences=NULL);
#endif

#ifdef USE_UNICODE
int ustrlen(const char* arg);
int sgetch(CHAR* where, const char* from);
#else
#define sgetch(where,from) ((*where)=from[0],1)
#endif

#define CHECK_PTR(a)    if(NULL==(a)) { fprintf(stderr,"LOW MEMORY!!!\n"); exit(5); }

#endif

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