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/* common_func.h - commonly used functions */
#ifndef COMMON_FUNC_H
#define COMMON_FUNC_H
/* internationalization support via gettext/libintl */
#ifdef USE_GETTEXT
# include <libintl.h>
# define _(str) gettext(str)
# define TEXT_DOMAIN "rhash"
# ifndef LOCALEDIR
# define LOCALEDIR "/usr/share/locale"
# endif /* LOCALEDIR */
#else
# define _(str) (str)
#endif /* USE_GETTEXT */
#include <stdint.h>
#include <stdio.h>
#include <time.h> /* for time_t */
#include <stddef.h> /* for wchar_t */
#if !defined( _WIN32) && !defined(__CYGWIN__)
# include <sys/time.h> /* for timeval */
#elif _MSC_VER > 1300
# include "platform.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* string function */
void sprintI64(char *dst, uint64_t number, int max_width);
int int_len(uint64_t num);
int urlencode(char *dst, const char *name);
int is_binary_string(const char* str);
char* str_tolower(const char* str);
char* str_trim(char* str);
char* str_set(char* buf, int ch, int size);
char* str_append(const char* orig, const char* append);
size_t strlen_utf8_c(const char *str);
#define IS_COMMENT(c) ((c) == ';' || (c) == '#')
#ifdef _WIN32
typedef wchar_t rsh_tchar;
# define RSH_T(str) L##str
# define t2c(tstr) (w2c(tstr))
#else
typedef char rsh_tchar;
# define RSH_T(str) str
# define t2c(tstr) (tstr)
#endif /* _WIN32 */
typedef rsh_tchar* tstr_t;
typedef const rsh_tchar* ctstr_t;
#ifdef _WIN32
# define IF_WINDOWS(code) code
# define is_utf8() win_is_utf8()
# define to_utf8(str) str_to_utf8(str)
#else /* non _WIN32 part */
# define IF_WINDOWS(code)
/* stub for utf8 */
# define is_utf8() 1
# define to_utf8(str) NULL
#endif /* _WIN32 */
/* version information */
const char* get_version_string(void);
const char* get_bt_program_name(void);
#ifdef _WIN32
# define rsh_fprintf win_fprintf
# define rsh_vfprintf win_vfprintf
# define rsh_fwrite win_fwrite
#else
# define rsh_fprintf fprintf
# define rsh_vfprintf vfprintf
# define rsh_fwrite fwrite
#endif
/* time data and functions */
/* portable timer definition */
#if defined( _WIN32) || defined(__CYGWIN__)
typedef unsigned long long timedelta_t;
#else
#include <sys/time.h> /* for timeval */
typedef struct timeval timedelta_t;
#endif
/**
* Start a timer.
*
* @param timer timer to start
*/
void rsh_timer_start(timedelta_t* timer);
/**
* Stop given timer.
*
* @param timer the timer to stop
* @return number of seconds timed
*/
double rsh_timer_stop(timedelta_t* timer);
/**
* Return ticks in milliseconds for time intervals measurement.
* This function should be optimized for speed and retrieve
* internal clock value, if possible.
*
* @return ticks count in milliseconds
*/
unsigned rhash_get_ticks(void);
/* program exit handlers */
typedef void (*exit_handler_t)(void);
void rsh_install_exit_handler(exit_handler_t handler);
void rsh_remove_exit_handler(void);
void rsh_exit(int code);
/* clever malloc with error detection */
#define rsh_malloc(size) rhash_malloc(size, __FILE__, __LINE__)
#define rsh_calloc(num, size) rhash_calloc(num, size, __FILE__, __LINE__)
#define rsh_strdup(str) rhash_strdup(str, __FILE__, __LINE__)
#define rsh_realloc(mem, size) rhash_realloc(mem, size, __FILE__, __LINE__)
void* rhash_malloc(size_t size, const char* srcfile, int srcline);
void* rhash_calloc(size_t num, size_t size, const char* srcfile, int srcline);
char* rhash_strdup(const char* str, const char* srcfile, int srcline);
void* rhash_realloc(void* mem, size_t size, const char* srcfile, int srcline);
#ifdef _WIN32
#define rsh_wcsdup(str) rhash_wcsdup(str, __FILE__, __LINE__)
wchar_t* rhash_wcsdup(const wchar_t* str, const char* srcfile, int srcline);
#endif
extern void (*rsh_report_error)(const char* srcfile, int srcline, const char* format, ...);
/* vector functions */
typedef struct vector_t
{
void **array;
size_t size;
size_t allocated;
void (*destructor)(void*);
} vector_t;
vector_t* rsh_vector_new(void (*destructor)(void*));
vector_t* rsh_vector_new_simple(void);
void rsh_vector_free(vector_t* vect);
void rsh_vector_destroy(vector_t* vect);
void rsh_vector_add_ptr(vector_t* vect, void *item);
void rsh_vector_add_empty(vector_t* vect, size_t item_size);
#define rsh_vector_add_uint32(vect, item) { \
rsh_vector_add_empty(vect, item_size); \
((unsigned*)(vect)->array)[(vect)->size - 1] = item; \
}
#define rsh_vector_add_item(vect, item, item_size) { \
rsh_vector_add_empty(vect, item_size); \
memcpy(((char*)(vect)->array) + item_size * ((vect)->size - 1), item, item_size); \
}
/* a vector pattern implementation, allocating elements by blocks */
typedef struct blocks_vector_t
{
size_t size;
vector_t blocks;
} blocks_vector_t;
void rsh_blocks_vector_init(blocks_vector_t*);
void rsh_blocks_vector_destroy(blocks_vector_t* vect);
#define rsh_blocks_vector_get_item(bvector, index, blocksize, item_type) \
(&((item_type*)((bvector)->blocks.array[(index) / (blocksize)]))[(index) % (blocksize)])
#define rsh_blocks_vector_get_ptr(bvector, index, blocksize, item_size) \
(&((unsigned char*)((bvector)->blocks.array[(index) / (blocksize)]))[(item_size) * ((index) % (blocksize))])
#define rsh_blocks_vector_add(bvector, item, blocksize, item_size) { \
if (((bvector)->size % (blocksize)) == 0) \
rsh_vector_add_ptr(&((bvector)->blocks), rsh_malloc((item_size) * (blocksize))); \
memcpy(rsh_blocks_vector_get_ptr((bvector), (bvector)->size, (blocksize), (item_size)), (item), (item_size)); \
(bvector)->size++; \
}
#define rsh_blocks_vector_add_ptr(bvector, ptr, blocksize) { \
if (((bvector)->size % (blocksize)) == 0) \
rsh_vector_add_ptr(&((bvector)->blocks), rsh_malloc(sizeof(void*) * (blocksize))); \
((void***)(bvector)->blocks.array)[(bvector)->size / (blocksize)][(bvector)->size % (blocksize)] = (void*)ptr; \
(bvector)->size++; \
}
#define rsh_blocks_vector_add_empty(bvector, blocksize, item_size) { \
if ( (((bvector)->size++) % (blocksize)) == 0) \
rsh_vector_add_ptr(&((bvector)->blocks), rsh_malloc((item_size) * (blocksize))); \
}
/* string buffer functions */
typedef struct strbuf_t
{
char* str;
size_t allocated;
size_t len;
} strbuf_t;
strbuf_t* rsh_str_new(void);
void rsh_str_free(strbuf_t* buf);
void rsh_str_ensure_size(strbuf_t *str, size_t new_size);
void rsh_str_append_n(strbuf_t *str, const char* text, size_t len);
void rsh_str_append(strbuf_t *str, const char* text);
#define rsh_str_ensure_length(str, len) \
if ((size_t)(len) >= (size_t)(str)->allocated) rsh_str_ensure_size((str), (len) + 1);
#define rsh_wstr_ensure_length(str, len) \
if ((size_t)((len) + sizeof(wchar_t)) > (size_t)(str)->allocated) rsh_str_ensure_size((str), (len) + sizeof(wchar_t));
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
#endif /* COMMON_FUNC_H */
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