Nilorea Library
C utilities for networking, threading, graphics
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Common headers and low-level hugly functions & define. More...
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <malloc.h>
#include <errno.h>
#include <string.h>
#include <stdint.h>
#include <nilorea/n_log.h>
#include <nilorea/n_enum.h>
#include <alloca.h>
Go to the source code of this file.
Macros | |
#define | __EXTENSIONS__ |
feature test macro More... | |
#define | __n_assert(__ptr, __ret) |
macro to assert things More... | |
#define | _nstr(__PTR) ((__PTR&&__PTR->data)?(__PTR->data):"NULL") |
N_STR or "NULL" string for logging purposes. More... | |
#define | _nstrp(__PTR) ((__PTR&&__PTR->data)?(__PTR->data):NULL) |
N_STR or NULL pointer for testing purposes. More... | |
#define | _str(__PTR) ((__PTR)?(__PTR):"NULL") |
define true More... | |
#define | _strp(__PTR) ((__PTR)?(__PTR):NULL) |
String or NULL pointer for testing purposes. More... | |
#define | _strw(__PTR) ((__PTR)?(__PTR):" ") |
String or " " string for config purposes. More... | |
#define | Alloca(__ptr, __size) |
Malloca Handler to get errors and set to 0. More... | |
#define | BYTEORDER_BIG_ENDIAN 1 |
Big endian macro value. More... | |
#define | BYTEORDER_LITTLE_ENDIAN 0 |
Little endian macro value. More... | |
#define | CALL_RETRY(retvar, expression) |
TEMP_FAILURE gnu macro portable version. More... | |
#define | checkerror() |
check for errors More... | |
#define | CONCAT(a, b) CONCAT_BUILDER(a, b) |
Concatenate two macro. More... | |
#define | CONCAT_BUILDER(a, b) a ## b |
CONCAT macro helper. More... | |
#define | DEFAULT 1000 |
Default APP_STATUS Value. More... | |
#define | endif ){ ___error__check_flag = TRUE ; n_log( LOG_ERR , "First err was at line %d of %s" , __LINE__ , __FILE__ );} |
close a ifwhatever block More... | |
#define | equal_if(__a, __cond, __b) if( (__a) __cond (__b) ){ __a = __b ; } |
if( a , condition, b ) then a = b More... | |
#define | FALL_THROUGH |
set windows if true More... | |
#define | FORCE_INLINE __attribute__((always_inline)) |
FORCE_INLINE portable macro. More... | |
#define | Free(__ptr) |
Free Handler to get errors. More... | |
#define | FreeNoLog(__ptr) |
Free Handler without log. More... | |
#define | GET 4321 |
Flag for GET something , passing as a function parameter. More... | |
#define | get_error() (___error__check_flag == TRUE) |
pop up errors if any More... | |
#define | htonll(x) (x) |
htonl for 64 bits numbers More... | |
#define | iffalse if( FALSE == |
error checker type if( toto == FALSE ) More... | |
#define | ifnull if( ! |
error checker type if( !toto ) More... | |
#define | iftrue if( TRUE == |
error checker type if( toto == FALSE ) More... | |
#define | ifzero if( 0 == |
error checker type if( 0 != toto ) More... | |
#define | init_error_check() static int ___error__check_flag = FALSE ; |
init error checking in a function More... | |
#define | init_lock(__rwlock_mutex) |
Macro for initializing a rwlock. More... | |
#define | Malloc(__ptr, __struct, __size) |
Malloc Handler to get errors and set to 0. More... | |
#define | next_even(__val) ( (__val)%2 == 0 ) ? (__val + 1) : ( __val ) |
next odd helper More... | |
#define | next_odd(__val) ( (__val)%2 == 0 ) ? (__val) : ( __val + 1 ) |
next odd helper More... | |
#define | ntohll(x) (x) |
ntonl for 64 bits numbers More... | |
#define | PAUSED 1004 |
Value of the state of an application who is paused. More... | |
#define | randomize() { srand((unsigned)time(NULL)); rand(); } |
Initialize the random sequence with time. More... | |
#define | read_lock(__rwlock_mutex) |
Macro for acquiring a read lock on a rwlock mutex. More... | |
#define | Realloc(__ptr, __struct, __size) |
Realloc Handler to get errors. More... | |
#define | Reallocz(__ptr, __struct, __old_size, __size) |
Realloc + zero new memory zone Handler to get errors. More... | |
#define | RUNNING 1001 |
Value of the state of an application who is running. More... | |
#define | rw_lock_destroy(__rwlock_mutex) |
Macro to destroy rwlock mutex. More... | |
#define | RWLOCK_LOGLEVEL LOG_NULL |
flag to tell the API to disable DEBUG log on locks More... | |
#define | SET 1234 |
Flag for SET something , passing as a function parameter. More... | |
#define | STOPPED 1003 |
Value of the state of an application who is stopped. More... | |
#define | STOPWANTED 1002 |
Value of the state of an application who want to stop his activity. More... | |
#define | unlock(__rwlock_mutex) |
Macro for releasing read/write lock a rwlock mutex. More... | |
#define | write_lock(__rwlock_mutex) |
Macro for acquiring a write lock on a rwlock mutex. More... | |
Functions | |
int | file_exist (const char *filename) |
test if file exist and if it's readable More... | |
int | get_computer_name (char *computer_name, size_t len) |
abort program with a text More... | |
char * | get_prog_dir (void) |
get current program running directory More... | |
char * | get_prog_name (void) |
get current program name More... | |
void | n_abort (char const *format,...) |
abort program with a text More... | |
int | n_daemonize (void) |
Daemonize program. More... | |
char * | n_get_file_extension (char path[]) |
get extension of path+filename More... | |
void | N_HIDE_STR (char *buf,...) |
store a hidden version of a string More... | |
int | n_popen (char *cmd, int read_buf_size, void **nstr_output, int *ret) |
launch a command abd return output and status More... | |
pid_t | system_nb (const char *command, int *infp, int *outfp) |
Non blocking system call. More... | |
Common headers and low-level hugly functions & define.
Definition in file n_common.h.