Implements file_t.read_file.

int read_file( file_t  fileobj, size_t  size, /*out*/void  * buffer/*[size]*/, size_t  * bytes_read )

Reads size bytes from file referenced by fileobj into buffer.

int read_iochannel( iochannel_t  ioc, size_t  size, /*out*/void  * buffer/*[size]*/, /*out*/size_t  * bytes_read )

Reads size bytes from the data stream referenced by ioc into buffer.

int read_ipsocket( ipsocket_t  * ipsock, size_t  maxdata_len, /*out*/uint8_t  data[maxdata_len], /*out*/size_t  * bytes_read )

Reads bytes from read queue at max maxdata_len bytes.

int readbuffer_utf8scanner( utf8scanner_t  * scan, struct  filereader_t  * frd )

Acquires the next buffer from filereader_t if isnext_utf8scanner returns false.

int readfrom_ipsocket( ipsocket_t  * ipsock, struct  ipaddr_t  * remoteaddr, size_t  maxdata_len, /*out*/uint8_t  data[maxdata_len], /*out*/size_t  * bytes_read )

Same as read_ipsocket but for unconnected (UDP) sockets.

void readmaxsize_windowconfig( const  windowconfig_t  * winconf, uint_fast8_t  * attrindex, /*out*/uint32_t  * width, /*out*/uint32_t  * height )

Reads a maxsize attribute value at attrindex in array winconf.

void readminsize_windowconfig( const  windowconfig_t  * winconf, uint_fast8_t  * attrindex, /*out*/uint32_t  * width, /*out*/uint32_t  * height )

Reads a minsize attribute value at attrindex in array winconf.

int readnext_filereader( filereader_t  * frd, /*out*/struct  stringstream_t  * buffer )

Returns buffer containing the next block of input data.

int readoob_ipsocket( ipsocket_t  * ipsock, size_t  maxdata_len, /*out*/uint8_t  data[maxdata_len], /*out*/size_t  * bytes_read, /*out*/size_t  * oob_offset )

Same as read_ipsocket excepts returns additional OOB index.

void readpos_windowconfig( const  windowconfig_t  * winconf, uint_fast8_t  * attrindex, /*out*/int32_t  * x, /*out*/int32_t  * y )

Reads a position attribute value at attrindex in array winconf.

void readsize_windowconfig( const  windowconfig_t  * winconf, uint_fast8_t  * attrindex, /*out*/uint32_t  * width, /*out*/uint32_t  * height )

Reads a size attribute value at attrindex in array winconf.

const char * readtitle_windowconfig( const  windowconfig_t  * winconf, uint_fast8_t  * attrindex )

Reads a title attribute value at attrindex in array winconf.

uint8_t readtransparency_windowconfig( const  windowconfig_t  * winconf, uint_fast8_t  * attrindex )

Reads an alpha value at attrindex in array winconf.

windowconfig_e readtype_windowconfig( const  windowconfig_t  * winconf, uint_fast8_t  * attrindex )

Reads the attribute type windowconfig_e at attrindex in array winconf.

sysuser_id_t real_sysuser( sysuser_t  * sysusr )

Returns sysuser_id_t of the user which started the process.

static splaytree_node_t * recursivesplay_splaytree( splaytree_t  * tree, splaytree_node_t  * root, const  void  * key, uint16_t  nodeoffset, typeadapt_t  * typeadp )

Searches for a node X with key ‘key’ and makes it the new root of the tree.

void redirecterr_processstdio( process_stdio_t  * stdfd, sys_iochannel_t  error_file )

Redirects standard error output to given file.

void redirectin_processstdio( process_stdio_t  * stdfd, sys_iochannel_t  input_file )

Redirects standard input to given file.

void redirectout_processstdio( process_stdio_t  * stdfd, sys_iochannel_t  output_file )

Redirects standard output to given file.

static int redirectstdfd_processstdio2( const  process_stdfd2_t  * stdfd2, int  stdfd, int  redirectto_file )

Redirects one standard channel to read/write from/to a file.

static int redirectstdio_processstdio2( const  process_stdfd2_t  * stdfd2 )

Redirects all 3 standard io channels to read/write from/to a file.

int registerfd_iopoll( iopoll_t  * iopoll, sys_iochannel_t  fd, const struct  ioevent_t  * for_event )

Adds file descriptor to Linux epoll object.

int registerfd_iopoll( iopoll_t  * iopoll, sys_iochannel_t  fd, const struct  ioevent_t  * for_event )

Registers sys_iochannel_t fd and monitors it for ioevent_t.ioevents.

void release_filereader( filereader_t  * frd )

Releases the oldest read buffer.

int releasecurrent_eglcontext( struct  opengl_display_t  * egldisp )

Der Verbindung des Threads mit dem aktuellen Kontextes wird aufgehoben.

int releasecurrent_gcontext( struct  display_t  * disp )

Der Verbindung des Threads mit dem aktuellen Kontextes wird aufgehoben.

int ( * releasepage ) (pagecache_t * pgcache, struct memblock_t * page)

Releases a single memory page.

int releasepage_pagecache( const  pagecache_t  pgcache, struct  memblock_t  * page )

Calls pgcache->iimpl->releasepage with pgcache->object as first parameter.

int releasepage_pagecacheimpl( pagecache_impl_t  * pgcache, struct  memblock_t  * page )

Releases a single memory page.

int remainingtime_systimer( systimer_t  timer, struct  timevalue_t  * remaining_time )

Returns the remaining time until the timer expires the next time.

int remoteaddr_ipsocket( const  ipsocket_t  * ipsock, struct  ipaddr_t  * remoteaddr )

Returns remote ip address of peer in remoteaddr.

int remove_arraysf( arraysf_t  * array, size_t  pos, /*out*/struct  arraysf_node_t  ** removed_node )

Removes node at position pos.

int remove_arraystf( arraystf_t  * array, size_t  size, const  uint8_t  keydata[size], /*out*/struct  arraystf_node_t  ** removed_node )

Removes node with key keydata.

int remove_dlist( dlist_t  * list, struct  dlist_node_t  * node )

Removes the node from the list.

int remove_exthash( exthash_t  * htable, exthash_node_t  * node )

Removes a node from the hash table.

int remove_file( const  char  * filepath, struct  directory_t  * relative_to )

Removes created file from filesystem.

int remove_patriciatrie( patriciatrie_t  * tree, size_t  keylength, const  uint8_t  searchkey[keylength], patriciatrie_node_t  ** removed_node )

Removes a node if its key equals searchkey.

int remove_redblacktree( redblacktree_t  * tree, redblacktree_node_t  * node )

Removes a node from the tree.

int remove_splaytree( splaytree_t  * tree, splaytree_node_t  * node, uint16_t  nodeoffset, typeadapt_t  * typeadp )

Removes a node from the tree.

int remove_syncqueue( syncqueue_t  * syncqueue, IDNAME  * elem, void  (*initmove_elem)(IDNAME * dest, IDNAME * src) )

Removes elem of type IDNAME from the queue by overwriting it with the last.

int remove_syncwlist( syncwlist_t  * wlist, struct  syncqueue_t  * queue, /*out*/struct  syncevent_t  * removedevent )

Removes the first node in wlist.

int remove_trie( trie_t  * trie, uint16_t  keylen, const  uint8_t  key[keylen], /*out*/void  ** uservalue )

TODO: describe

int remove2_trie( trie_t  * trie, uint16_t  keylen, const  uint8_t  key[keylen], /*out*/void  ** uservalue, bool  islog )

TODO: describe

int removeafter_slist( slist_t  * list, struct  slist_node_t  * prev_node, struct  slist_node_t  ** removed_node )

Removes the next node coming after prev_node from the list.

int removeall_dlist( dlist_t  * list,    uint16_t  nodeoffset,    struct  typeadapt_t  * typeadp/*0  =  >no free called*/ )

Removes all nodes from the list.

int removeall_slist( slist_t  * list,    uint16_t  nodeoffset,    struct  typeadapt_t  * typeadp/*0  =  >no free called*/ )

Removes all nodes from the list.

int removedirectory_directory( directory_t  * dir/*0  =  > current working directory*/, const  char  * directory_path    )

Removes the empty directory with directory_path relative to dir.

int removeempty_syncwlist( syncwlist_t  * wlist, struct  syncqueue_t  * queue )

Removes the last node if its syncevent_t has not waiting thread.

int removefile_directory( directory_t  * dir/*0  =  > current working directory*/, const  char  * file_path    )

Removes the file with file_path relative to dir.

int removefirst_dlist( dlist_t  * list, struct  dlist_node_t  ** removed_node )

Removes the first node from the list.

int removefirst_queue( queue_t  * queue, uint16_t  nodesize )

Removes nodesize bytes from the first memory page.

int removefirst_slist( slist_t  * list, struct  slist_node_t  ** removed_node )

Removes the first element from list.

int removefirst_syncqueue( syncqueue_t  * syncqueue, uint16_t  elemsize )

Removes an element from the queue by freeing syncqueue memory.

int removelast_dlist( dlist_t  * list, struct  dlist_node_t  ** removed_node )

Removes the last node from the list.

int removelast_queue( queue_t  * queue, uint16_t  nodesize )

Removes nodesize bytes from the last memory page.

int removelast_syncqueue( syncqueue_t  * syncqueue, uint16_t  elemsize )

Removes an element from the queue by freeing syncqueue memory.

int removenodes_exthash( exthash_t  * htable )

Removes all nodes from the hash table.

int removenodes_patriciatrie( patriciatrie_t  * tree )

Removes all nodes from the tree.

int removenodes_redblacktree( redblacktree_t  * tree )

Removes all nodes from the tree.

int removenodes_splaytree( splaytree_t  * tree, uint16_t  nodeoffset, typeadapt_t  * typeadp )

Removes all nodes from the tree.

int removeobject_x11display( x11display_t  * x11disp, uint32_t  objectid )

Removes objectid and its associated pointer from the registration.

void removetrailingzero_bigint( bigint_t  * big )

Removes all trailing digits which are 0.

static int replacechild_suffixtree( suffixtree_t  * tree, suffixtree_node_t  * parent, suffixtree_node_t *  const  old_child, suffixtree_node_t *  const  new_child )

Replaces old_child of parent with new_child.

void replacenode_dlist( dlist_t  * list, struct  dlist_node_t  * newnode, struct  dlist_node_t  * oldnode )

Removes oldnode from list and replaces it with newnode.

int replaceobject_x11display( x11display_t  * x11disp, struct  x11window_t  * object, uint32_t  objectid )

Replaces the object for an already registered objectid.

int reset_locale( void )

Sets the locale of all subsystems to default.

Calls C99 conforming function »setlocale«.

int resetmsg_locale( void )

Sets the locale of system messages subsystem to default.

void resetthreadid_threadcontext( void )

Resets the the thread id.

int resize_cstring( cstring_t  * cstr, size_t  new_size )

Allocates memory and sets size to new_size.

int resize_window( window_t  * win, uint32_t  width, uint32_t  height )

Changes the size of the window.

int resize_x11window( x11window_t  * x11win, uint32_t  width, uint32_t  height )

Changes the size of the window.

int resizelast_queue( queue_t  * queue, /*out*/void  ** nodeaddr, uint16_t  oldsize, uint16_t  newsize )

Removes oldsize bytes from the last memory page and add newsize bytes.

int resolution_sysclock( sysclock_e  clock_type, /*out*/struct  timevalue_t  * resolution )

Returns the timer resolution of the underlying clock.

void resume_thread( thread_t  * threadobj )

The thread which is refered by threadobj is woken up.

int retcode_syncrun( const  syncrun_t  * srun )

Returns return code of an exited syncthread_t.

int returncode_thread( const  thread_t  * threadobj )

Returns the returncode of the joined thread.

unsigned reversebits_int( unsigned  i )

Reverses the bits of an integer.

int run_linuxsplice_speedtest( int  argc, const  char  ** argv )

Compares runtime of simple threaded TCP server write/client read versus server splice/client splice.

int run_madvise_speedtest( int  argc, const  char  ** argv )

Compares speed between reading with mmap and reading with mmap + madvise.

int run_unittest( void  * argv )

Calls every registered unittest of the C-kern(el) system.

int runall_syncrun( syncrun_t  * srun )

Runs all syncthread_t stored in internal queues.