General Definitions for Asterisk top level program Included by asterisk.h to handle platform-specific issues especially those related to header files. More...

#include "asterisk/compiler.h"
#include <inttypes.h>
#include <limits.h>
#include <unistd.h>
#include <stddef.h>
#include <stdint.h>
#include <sys/types.h>
#include <stdarg.h>
#include <stdlib.h>
#include <alloca.h>
#include <stdio.h>
#include <string.h>
#include <sys/poll.h>
#include <errno.h>
#include <glob.h>

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Defines
#define	__STDC_VERSION__ 0
#define	LLONG_MAX 9223372036854775807LL
#define	MY_GLOB_FLAGS GLOB_NOCHECK
#define	strlcat __use__ast_str__functions_not__strlcat__
#define	strlcpy __use__ast_copy_string__not__strlcpy__
Functions
int	asprintf (char *str, const char fmt,...)
void	closefrom (int lowfd)
int	ffsll (long long n)
int	getloadavg (double *list, int nelem)
uint64_t	htonll (uint64_t host64)
char *	mkdtemp (char *template_s)
uint64_t	ntohll (uint64_t net64)
int	setenv (const char name, const char value, int overwrite)
char *	strcasestr (const char , const char )
char *	strndup (const char *, size_t)
size_t	strnlen (const char *, size_t)
char *	strsep (char *str, const char delims)
uint64_t	strtoq (const char nptr, char *endptr, int base)
void	timersub (struct timeval tvend, struct timeval tvstart, struct timeval *tvdiff)
int	unsetenv (const char *name)
int	vasprintf (char *strp, const char fmt, va_list ap)

Detailed Description

General Definitions for Asterisk top level program Included by asterisk.h to handle platform-specific issues especially those related to header files.

Definition in file compat.h.

Define Documentation

#define __STDC_VERSION__ 0

Definition at line 25 of file compat.h.

#define LLONG_MAX 9223372036854775807LL

Definition at line 77 of file compat.h.

Referenced by file_read(), and file_write().

#define MY_GLOB_FLAGS GLOB_NOCHECK

Definition at line 214 of file compat.h.

Referenced by ast_xmldoc_load_documentation(), and config_text_file_load().

#define strlcat __use__ast_str__functions_not__strlcat__

Definition at line 144 of file compat.h.

#define strlcpy __use__ast_copy_string__not__strlcpy__

Definition at line 145 of file compat.h.

Function Documentation

int asprintf	(	char **	str,
		const char *	fmt,
			...
	)

Referenced by aji_act_hook(), aji_create_client(), ast_pthread_create_stack(), build_filename(), build_peer(), complete_dialplan_remove_extension(), complete_span_helper(), dial_exec_full(), find_table(), handle_gosub(), init_acf_query(), store_config(), try_calling(), and yyparse().

void closefrom ( int lowfd )

Definition at line 424 of file strcompat.c.

References errno.

Referenced by ast_close_fds_above_n().

{
   long x;
   struct rlimit rl;
   DIR *dir;
   char path[16], *result;
   struct dirent *entry;

   snprintf(path, sizeof(path), "/proc/%d/fd", (int) getpid());
   if ((dir = opendir(path))) {
      while ((entry = readdir(dir))) {
         /* Skip . and .. */
         if (entry->d_name[0] == '.') {
            continue;
         }
         if ((x = strtol(entry->d_name, &result, 10)) && x >= n) {
#ifdef STRICT_COMPAT
            close(x);
#else
            /* This isn't strictly compatible, but it's actually faster
             * for our purposes to set the CLOEXEC flag than to close
             * file descriptors.
             */
            long flags = fcntl(x, F_GETFD);
            if (flags == -1 && errno == EBADF) {
               continue;
            }
            fcntl(x, F_SETFD, flags | FD_CLOEXEC);
#endif
         }
      }
      closedir(dir);
   } else {
      getrlimit(RLIMIT_NOFILE, &rl);
      if (rl.rlim_cur > 65535) {
         /* A more reasonable value.  Consider that the primary source of
          * file descriptors in Asterisk are UDP sockets, of which we are
          * limited to 65,535 per address.  We additionally limit that down
          * to about 10,000 sockets per protocol.  While the kernel will
          * allow us to set the fileno limit higher (up to 4.2 billion),
          * there really is no practical reason for it to be that high.
          */
         rl.rlim_cur = 65535;
      }
      for (x = n; x < rl.rlim_cur; x++) {
#ifdef STRICT_COMPAT
         close(x);
#else
         long flags = fcntl(x, F_GETFD);
         if (flags == -1 && errno == EBADF) {
            continue;
         }
         fcntl(x, F_SETFD, flags | FD_CLOEXEC);
#endif
      }
   }
}

int ffsll ( long long n )

Referenced by powerof().

int getloadavg	(	double *	list,
		int	nelem
	)

Referenced by ast_readconfig(), cli_prompt(), increase_call_count(), and sysinfo_helper().

uint64_t htonll ( uint64_t host64 )

Definition at line 385 of file strcompat.c.

Referenced by iax_ie_append_versioned_uint64().

{
#if BYTE_ORDER == BIG_ENDIAN
   return host64;
#elif BYTE_ORDER == LITTLE_ENDIAN
   union {
      unsigned char c[8];
      uint64_t u;
   } number;
   number.u = host64;
   return
      (((uint64_t) number.c[0]) << 56) |
      (((uint64_t) number.c[1]) << 48) |
      (((uint64_t) number.c[2]) << 40) |
      (((uint64_t) number.c[3]) << 32) |
      (((uint64_t) number.c[4]) << 24) |
      (((uint64_t) number.c[5]) << 16) |
      (((uint64_t) number.c[6]) <<  8) |
      (((uint64_t) number.c[7]) <<  0);
#else
   #error "Unknown byte order"
#endif
}

char* mkdtemp ( char * template_s )

uint64_t ntohll ( uint64_t net64 )

Definition at line 359 of file strcompat.c.

Referenced by dump_versioned_codec(), and iax_parse_ies().

{
#if BYTE_ORDER == BIG_ENDIAN
   return net64;
#elif BYTE_ORDER == LITTLE_ENDIAN
   union {
      unsigned char c[8];
      uint64_t u;
   } number;
   number.u = net64;
   return
      (((uint64_t) number.c[0]) << 56) |
      (((uint64_t) number.c[1]) << 48) |
      (((uint64_t) number.c[2]) << 40) |
      (((uint64_t) number.c[3]) << 32) |
      (((uint64_t) number.c[4]) << 24) |
      (((uint64_t) number.c[5]) << 16) |
      (((uint64_t) number.c[6]) <<  8) |
      (((uint64_t) number.c[7]) <<  0);
#else
   #error "Unknown byte order"
#endif
}

int setenv	(	const char *	name,
		const char *	value,
		int	overwrite
	)

Referenced by env_init(), env_write(), launch_script(), load_odbc_config(), and read_environment().

char* strcasestr	(	const char *	,
		const char *
	)

char* strndup	(	const char *	,
		size_t
	)

size_t strnlen	(	const char *	,
		size_t
	)

char* strsep	(	char **	str,
		const char *	delims
	)

Referenced by __analog_ss_thread(), __ast_play_and_record(), _ast_device_state(), _build_port_config(), _macro_exec(), _parse(), acf_curl_helper(), acf_vmcount_exec(), actual_load_config(), add_peer_mailboxes(), add_redirect(), adsi_load(), adsi_message(), aji_handle_pubsub_event(), analog_ss_thread(), append_history_va(), append_mailbox(), append_mailbox_mapping(), apply_options(), apply_outgoing(), ast_aji_get_client(), ast_app_getdata(), ast_append_ha(), ast_bridge_timelimit(), ast_build_timing(), ast_eivr_getvariable(), ast_eivr_setvariable(), ast_el_strtoarr(), ast_extension_state3(), ast_filehelper(), ast_format_str_reduce(), ast_get_group(), ast_http_get_post_vars(), ast_netsock_bind(), ast_parse_allow_disallow(), ast_parse_arg(), ast_playtones_start(), ast_read_image(), ast_remotecontrol(), ast_utils_which(), attempt_reconnect(), auth_exec(), authenticate_verify(), build_channels(), build_gateway(), build_peer(), builtin_atxfer(), check_auth(), check_blacklist(), check_user_full(), check_via_response(), cleanup_stale_contexts(), collect_function_digits(), common_exec(), complete_dialplan_add_ignorepat(), complete_dialplan_add_include(), complete_dialplan_remove_ignorepat(), complete_dialplan_remove_include(), complete_meetmecmd(), conf_exec(), conf_run(), config_curl(), config_line(), config_parse_variables(), connect_link(), console_dial(), create_queue_member(), cut_internal(), data_filter_alloc(), decrypt_frame(), del_exec(), deltree_exec(), dial_exec_full(), dial_trunk(), do_say(), ewscal_write_event(), exec_exec(), exts_compare(), extstate_read(), feature_interpret_helper(), find_gtalk(), forward_message(), function_fieldnum_helper(), function_fieldqty_helper(), function_ilink(), function_remote(), function_sippeer(), get_range(), get_rdnis(), get_timerange(), gettag(), gosub_exec(), gtalk_alloc(), gtalk_request(), handle_cli_dialplan_add_extension(), handle_common_options(), handle_debug_dialplan(), handle_request_invite(), handle_request_notify(), handle_show_dialplan(), handle_statechange(), handle_t38_options(), handle_uri(), has_voicemail(), hint_read(), httpd_helper_thread(), iax2_register(), iftime(), inboxcount2(), is_prefix(), ivr_dispatch(), jingle_request(), leave_voicemail(), load_channelvars(), load_column_config(), make_components(), man_do_variable_value(), mark_parsed_methods(), metermaidstate(), misdn_set_opt_exec(), mkintf(), next_node_name(), notify_message(), notify_new_message(), orig_app(), orig_exten(), originate_exec(), page_exec(), parkandannounce_exec(), parse_apps(), parse_cookies(), parse_dial_string(), parse_empty_options(), parse_events(), parse_register_contact(), parse_session_expires(), pbx_builtin_background(), pbx_builtin_execiftime(), pbx_builtin_gotoif(), pbx_builtin_gotoiftime(), pbx_builtin_importvar(), pbx_builtin_saynumber(), pbx_builtin_setvar(), pbx_find_extension(), pbx_load_config(), pbx_load_users(), pbx_parseable_goto(), peer_set_srcaddr(), pickup_exec(), pickupchan_exec(), playback_exec(), process_applicationmap_line(), process_dahdi(), process_sdp_o(), process_text_line(), queue_mwi_event(), queue_set_param(), read_config_maps(), readfile_exec(), realtime_curl(), realtime_multi_curl(), realtime_multi_odbc(), realtime_multi_pgsql(), realtime_odbc(), realtime_pgsql(), register_exten(), register_peer_exten(), register_verify(), reload_config(), reload_queue_members(), reply_digest(), rpt_exec(), rpt_tele_thread(), search_directory_sub(), send_tone_telemetry(), sendfax_exec(), sendmail(), set(), set_config_flags(), set_insecure_flags(), sig_pri_start_pri(), sip_get_cc_information(), sip_sipredirect(), sla_add_trunk_to_station(), sla_check_device(), sla_queue_event_conf(), sla_ring_station(), sla_state(), sla_station_exec(), sort_internal(), spawn_mp3(), spawn_ras(), speech_background(), stat_read(), state_notify_build_xml(), store_tone_zone_ring_cadence(), timezone_add(), transmit_fake_auth_response(), tryexec_exec(), unistim_send_mwi_to_peer(), unregister_exten(), update_registry(), vmauthenticate(), write_htmldump(), and xml_translate().

uint64_t strtoq	(	const char *	nptr,
		char **	endptr,
		int	base
	)

void timersub	(	struct timeval *	tvend,
		struct timeval *	tvstart,
		struct timeval *	tvdiff
	)

Referenced by ast_rtcp_write_rr(), ast_rtcp_write_sr(), and ast_select().

int unsetenv ( const char * name )

Referenced by env_write().

int vasprintf	(	char **	strp,
		const char *	fmt,
		va_list	ap
	)

Referenced by _ast_asprintf().

Asterisk developer's documentation

Defines

Functions

Detailed Description

Define Documentation

Function Documentation