Section 3: library functions
get_encoding — report the binary encoding of data in a dirfile Synopsis#include <getdata.h> unsigned long get_encoding(DIRFILE *dirfile, int fragment_index);DescriptionThe get_encoding() function queries a dirfile(5) database specified by dirfile and returns the binary encoding for the fragment indexed by fragment_index. The binary encoding of a fragment indicate the encoding of data stored in binary files associated…
get_desktop_resolution – Finds out the desktop resolution. Allegro game programming library. Synopsis#include <allegro.h> int get_desktop_resolution(int *width, int *height); DescriptionFinds out the currently selected desktop resolution. You can use this information to avoid creating windows bigger than the current resolution. This is especially important for some windowed drivers which are unable to create windows bigger than…
get_ordered_context_list, get_ordered_context_list_with_level, get_default_context, get_default_context_with_level, get_default_context_with_role, get_default_context_with_rolelevel, query_user_context, manual_user_enter_context, get_default_role – determine SELinux context(s) for user sessions Synopsis#include <selinux/selinux.h> #include <selinux/get_context_list.h> int get_ordered_context_list(const char *user, char *fromcon, char ***list); int get_ordered_context_list_with_level(const char *user, const char *level, char *fromcon, char ***list); int get_default_context(const char *user, char *fromcon, char **newcon); int get_default_context_with_level(const char *user, const char *level, char…
get_ordered_context_list, get_ordered_context_list_with_level, get_default_context, get_default_context_with_level, get_default_context_with_role, get_default_context_with_rolelevel, query_user_context, manual_user_enter_context, get_default_role – determine SELinux context(s) for user sessions Synopsis#include <selinux/selinux.h> #include <selinux/get_context_list.h> int get_ordered_context_list(const char *user, char *fromcon, char ***list); int get_ordered_context_list_with_level(const char *user, const char *level, char *fromcon, char ***list); int get_default_context(const char *user, char *fromcon, char **newcon); int get_default_context_with_level(const char *user, const char *level, char…
get_ordered_context_list, get_ordered_context_list_with_level, get_default_context, get_default_context_with_level, get_default_context_with_role, get_default_context_with_rolelevel, query_user_context, manual_user_enter_context, get_default_role – determine SELinux context(s) for user sessions Synopsis#include <selinux/selinux.h> #include <selinux/get_context_list.h> int get_ordered_context_list(const char *user, char *fromcon, char ***list); int get_ordered_context_list_with_level(const char *user, const char *level, char *fromcon, char ***list); int get_default_context(const char *user, char *fromcon, char **newcon); int get_default_context_with_level(const char *user, const char *level, char…
get_ordered_context_list, get_ordered_context_list_with_level, get_default_context, get_default_context_with_level, get_default_context_with_role, get_default_context_with_rolelevel, query_user_context, manual_user_enter_context, get_default_role – determine SELinux context(s) for user sessions Synopsis#include <selinux/selinux.h> #include <selinux/get_context_list.h> int get_ordered_context_list(const char *user, char *fromcon, char ***list); int get_ordered_context_list_with_level(const char *user, const char *level, char *fromcon, char ***list); int get_default_context(const char *user, char *fromcon, char **newcon); int get_default_context_with_level(const char *user, const char *level, char…
get_ordered_context_list, get_ordered_context_list_with_level, get_default_context, get_default_context_with_level, get_default_context_with_role, get_default_context_with_rolelevel, query_user_context, manual_user_enter_context, get_default_role – determine SELinux context(s) for user sessions Synopsis#include <selinux/selinux.h> #include <selinux/get_context_list.h> int get_ordered_context_list(const char *user, char *fromcon, char ***list); int get_ordered_context_list_with_level(const char *user, const char *level, char *fromcon, char ***list); int get_default_context(const char *user, char *fromcon, char **newcon); int get_default_context_with_level(const char *user, const char *level, char…
get_datafile_property – Returns the property string for the object. Allegro game programming library. Synopsis#include <allegro.h> const char *get_datafile_property(const DATAFILE *dat, int type); DescriptionFinds the property type of a DATAFILE object. The type parameter must be a value created with the DAT_ID() macro. Example: const char *name; … name = get_datafile_property(game_data, DAT_ID(‘N’,’A’,’M’,’E’)); if (name == empty_string)…
getcwd, getwd, get_current_dir_name – get current working directory Synopsis#include <unistd.h> char *getcwd(char *buf, size_t size); char *getwd(char *buf); char *get_current_dir_name(void);Feature Test Macro Requirements for glibc (see feature_test_macros(7)): get_current_dir_name(): _GNU_SOURCE getwd(): Since glibc 2.12: (_XOPEN_SOURCE >= 500) && ! (_POSIX_C_SOURCE >= 200809L) || /* Glibc since 2.19: */ _DEFAULT_SOURCE || /* Glibc versions <= 2.19: */ _BSD_SOURCEBefore glibc 2.12: _BSD_SOURCE…
get_constants — retrieve a list of constant values from a dirfile Synopsis#include <getdata.h> const void *get_constants(DIRFILE *dirfile, gd_type_t return_type);DescriptionThe get_constants() function queries a dirfile(5) database specified by dirfile and returns a read-only list of values of the all CONST type fields defined in the database after type conversion to the data type specified by return_type….
get_constant — retrieve a scalar constant from a dirfile database Synopsis#include <getdata.h> int get_constant(DIRFILE *dirfile, const char *field_code, gd_type_t return_type, void *data_out);DescriptionThe get_constant() function queries a dirfile(5) database specified by dirfile for the CONST scalar field_code, which may contain a representation suffix. The constant is converted to the data type specified by return_type, and stored…
get_config_text – Returns a string translated to the current language. Allegro game programming library. Synopsis#include <allegro.h> const char *get_config_text(const char *msg); DescriptionThis function is primarily intended for use by internal library code, but it may perhaps be helpful to application programmers as well. It uses the `language.dat’ or `XXtext.cfg’ files (where XX is a language…
get_config_string – Retrieves a string from the configuration file. Allegro game programming library. Synopsis#include <allegro.h> const char *get_config_string(const char *section, const char *name, const char *def); DescriptionRetrieves a string variable from the current config file. The section name may be set to NULL to read variables from the root of the file, or used to…
get_config_int – Retrieves an integer from the configuration file. Allegro game programming library. Synopsis#include <allegro.h> int get_config_int(const char *section, const char *name, int def); DescriptionReads an integer variable from the current config file. See the comments about get_config_string(). See Alsoset_config_file(3), set_config_int(3), get_config_string(3), get_config_argv(3), get_config_float(3), get_config_hex(3), get_config_id(3), exconfig(3)
get_config_id – Retrieves a driver ID from a configuration file. Allegro game programming library. Synopsis#include <allegro.h> int get_config_id(const char *section, const char *name, int def); DescriptionReads a 4-letter driver ID variable from the current config file. See the comments about get_config_string(). See Alsoset_config_file(3), set_config_id(3), get_config_string(3), get_config_argv(3), get_config_float(3), get_config_hex(3), get_config_int(3)
get_config_hex – Retrieves a hexadecimal value from the configuration file. Allegro game programming library. Synopsis#include <allegro.h> int get_config_hex(const char *section, const char *name, int def); DescriptionReads an integer variable from the current config file, in hexadecimal format. See the comments about get_config_string(). See Alsoset_config_file(3), set_config_hex(3), get_config_string(3), get_config_argv(3), get_config_float(3), get_config_int(3), get_config_id(3)
get_config_float – Retrieves a float from the configuration file. Allegro game programming library. Synopsis#include <allegro.h> float get_config_float(const char *section, const char *name, float def); DescriptionReads a floating point variable from the current config file. See the comments about get_config_string(). See Alsoset_config_file(3), set_config_float(3), get_config_string(3), get_config_argv(3), get_config_hex(3), get_config_int(3), get_config_id(3)
get_config_argv – Reads a token list from the configuration file. Allegro game programming library. Synopsis#include <allegro.h> char **get_config_argv(const char *section, const char *name, int *argc); DescriptionReads a token list (words separated by spaces) from the current config file. The token list is stored in a temporary buffer that will be clobbered by the next call…
get_compiled_sprite – Creates a compiled sprite using a bitmap as source. Allegro game programming library. Synopsis#include <allegro.h> COMPILED_SPRITE *get_compiled_sprite(BITMAP *bitmap, int planar); DescriptionCreates a compiled sprite based on the specified bitmap (which must be a memory bitmap). Compiled sprites are device-dependent, so you have to specify whether to compile it into a linear or planar…
get_color_depth – Returns the current pixel color depth. Allegro game programming library. Synopsis#include <allegro.h> int get_color_depth(void); DescriptionReturns the current pixel format. This can be very useful to know in order to write generic functions which select a different code path internally depending on the color depth being used. Note that the function returns whatever value…