Linux Manuals session 3

Byte Swapping Functions – Functions that are used to ensure that integers passed to the virtual machine are in small endian format. FunctionsEAPI void embryo_swap_16 (unsigned short *v) Ensures that the given unsigned short integer is in the small endian format. EAPI void embryo_swap_32 (unsigned int *v) Ensures that the given unsigned integer is in…

Program Run Functions – Functions that are involved in actually running functions in an Embryo program. FunctionsEAPI int embryo_program_recursion_get (Embryo_Program *ep) Returns the number of virtual machines are running for the given program. EAPI int embryo_program_run (Embryo_Program *ep, Embryo_Function fn) Runs the given function of the given Embryo program in the current virtual machine. EAPI…

Public Variable Access Functions – In an Embryo program, a global variable can be declared public, as described in Scope. FunctionsEAPI Embryo_Cell embryo_program_variable_find (Embryo_Program *ep, const char *name) Retrieves the location of the public variable in the given program with the given name. EAPI int embryo_program_variable_count_get (Embryo_Program *ep) Retrieves the number of public variables in…

Virtual Machine Functions – Functions that deal with creating and destroying virtual machine sessions for a given program. FunctionsEAPI void embryo_program_vm_reset (Embryo_Program *ep) Resets the current virtual machine session of the given program. EAPI void embryo_program_vm_push (Embryo_Program *ep) Starts a new virtual machine session for the given program. EAPI void embryo_program_vm_pop (Embryo_Program *ep) Frees the…

Program Data Functions – Functions that set and retrieve data associated with the given program. FunctionsEAPI void embryo_program_data_set (Embryo_Program *ep, void *data) Sets the data associated to the given program. EAPI void * embryo_program_data_get (Embryo_Program *ep) Retrieves the data associated to the given program. Detailed DescriptionFunctions that set and retrieve data associated with the given…

Program Creation and Destruction Functions – Functions that set up programs, and destroy them. FunctionsEAPI Embryo_Program * embryo_program_new (void *data, int size) Creates a new Embryo program, with bytecode data that can be freed. EAPI Embryo_Program * embryo_program_const_new (void *data, int size) Creates a new Embryo program, with bytecode data that cannot be freed. EAPI…

Function Parameter Functions – Functions that set parameters for the next function that is called. FunctionsEAPI int embryo_parameter_cell_push (Embryo_Program *ep, Embryo_Cell cell) Pushes an Embryo_Cell onto the function stack to use as a parameter for the next function that is called in the given program. EAPI int embryo_parameter_string_push (Embryo_Program *ep, const char *str) Pushes a…

Library Maintenance Functions – Functions that start up and shutdown the Embryo library. FunctionsEAPI int embryo_init (void) Initialises the Embryo library. EAPI int embryo_shutdown (void) Shuts down the Embryo library. Detailed DescriptionFunctions that start up and shutdown the Embryo library. Function DocumentationEAPI int embryo_init (void)Initialises the Embryo library. Returns: The number of times the library…

Heap Functions – The heap is an area of memory that can be allocated for program use at runtime. FunctionsEAPI Embryo_Cell embryo_data_heap_push (Embryo_Program *ep, int cells) Increases the size of the heap of the given virtual machine by the given number of Embryo_Cells. EAPI void embryo_data_heap_pop (Embryo_Program *ep, Embryo_Cell down_to) Decreases the size of the…

Function Functions – Functions that deal with Embryo program functions. FunctionsEAPI void embryo_program_native_call_add (Embryo_Program *ep, const char *name, Embryo_Cell(*func)(Embryo_Program *ep, Embryo_Cell *params)) Adds a native program call to the given Embryo program. EAPI Embryo_Function embryo_program_function_find (Embryo_Program *ep, const char *name) Returns the function in the given program with the given name. Detailed DescriptionFunctions that deal…

Error Functions – Functions that set and retrieve error codes in Embryo programs. FunctionsEAPI void embryo_program_error_set (Embryo_Program *ep, int error) Sets the error code for the given program to the given code. EAPI int embryo_program_error_get (Embryo_Program *ep) Retrieves the current error code for the given program. EAPI const char * embryo_error_string_get (int error) Retrieves a…

Embryo Data String Functions – Functions that operate on strings in the memory of a virtual machine. FunctionsEAPI int embryo_data_string_length_get (Embryo_Program *ep, Embryo_Cell *str_cell) Retrieves the length of the string starting at the given cell. EAPI void embryo_data_string_get (Embryo_Program *ep, Embryo_Cell *str_cell, char *dst) Copies the string starting at the given cell to the given…

Embryo.h – Embryo virtual machine library. SynopsisDefines#define EMBRYO_FUNCTION_NONE 0x7fffffff An invalid/non-existant function. #define EMBRYO_FUNCTION_MAIN -1 Start at program entry point. #define EMBRYO_FUNCTION_CONT -2 Continue from last address. #define EMBRYO_CELL_NONE 0x7fffffff An invalid cell reference. #define EMBRYO_PROGRAM_OK 1 Program was run successfully. #define EMBRYO_PROGRAM_SLEEP 2 The program’s execution was interrupted by a Small sleep command. #define…

Eet.h – The file that provides the eet functions. SynopsisDefines#define EET_T_UNKNOW 0 Unknown data encoding type. #define EET_T_CHAR 1 Data type: char. #define EET_T_SHORT 2 Data type: short. #define EET_T_INT 3 Data type: int. #define EET_T_LONG_LONG 4 Data type: long long. #define EET_T_FLOAT 5 Data type: float. #define EET_T_DOUBLE 6 Data type: double. #define EET_T_UCHAR…

Edje_Edit.h – Functions to deal with edje internal object. SynopsisFunctionsGeneral API General functions that don’t fit in other cateories. EAPI void edje_edit_string_list_free (Evas_List *lst) Free a generic Evas_List of (char *) allocated by an edje_edit_*_get() function. EAPI void edje_edit_string_free (const char *str) Free a generic string (char *) allocated by an edje_edit_*_get() function. EAPI int…

X Library Init and Shutdown Functions – Functions that start and shut down the Ecore X Library. FunctionsEAPI int ecore_x_init (const char *name) Initialize the X display connection to the given display. EAPI int ecore_x_shutdown (void) Shuts down the Ecore X library. EAPI int ecore_x_disconnect (void) Shuts down the Ecore X library. Detailed DescriptionFunctions that…

X Synchronization Functions – Functions that ensure that all commands that have been issued by the Ecore X library have been sent to the server. FunctionsEAPI void ecore_x_flush (void) Sends all X commands in the X Display buffer. EAPI void ecore_x_sync (void) Flushes the command buffer and waits until all requests have been processed by…

X Display Attributes – Functions that set and retrieve X display attributes. FunctionsEAPI Ecore_X_Connection * ecore_x_connection_get (void) Retrieves the Ecore_X_Connection handle used for the current X connection. EAPI int ecore_x_fd_get (void) Retrieves the X display file descriptor. EAPI Ecore_X_Screen * ecore_x_default_screen_get (void) Retrieves the Ecore_X_Screen handle used for the current X connection. EAPI void ecore_x_double_click_time_set…

X Xinerama Extension Functions – Functions related to the X Xinerama extension. FunctionsEAPI int ecore_x_xinerama_query (void) Return whether the X server supports the Xinerama Extension. EAPI void ecore_x_xinerama_query_screens_prefetch (void) Sends the XineramaQueryScreens request. EAPI void ecore_x_xinerama_query_screens_fetch (void) Gets the reply of the XineramaQueryScreens request sent by ecore_x_xinerama_query_screens_prefetch(). EAPI int ecore_x_xinerama_screen_count_get (void) Return the number of…

X Window Z Order Functions – Functions that change the Z order of X windows. FunctionsEAPI void ecore_x_window_raise (Ecore_X_Window win) Raises the given window. EAPI void ecore_x_window_lower (Ecore_X_Window win) Lowers the given window. Detailed DescriptionFunctions that change the Z order of X windows. Function DocumentationEAPI void ecore_x_window_lower (Ecore_X_Window win)Lowers the given window. Parameters: win The…