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util.c

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1/* util.c -- readline utility functions */-
2-
3/* Copyright (C) 1987-2017 Free Software Foundation, Inc.-
4-
5 This file is part of the GNU Readline Library (Readline), a library-
6 for reading lines of text with interactive input and history editing. -
7-
8 Readline is free software: you can redistribute it and/or modify-
9 it under the terms of the GNU General Public License as published by-
10 the Free Software Foundation, either version 3 of the License, or-
11 (at your option) any later version.-
12-
13 Readline is distributed in the hope that it will be useful,-
14 but WITHOUT ANY WARRANTY; without even the implied warranty of-
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the-
16 GNU General Public License for more details.-
17-
18 You should have received a copy of the GNU General Public License-
19 along with Readline. If not, see <http://www.gnu.org/licenses/>.-
20*/-
21-
22#define READLINE_LIBRARY-
23-
24#if defined (HAVE_CONFIG_H)-
25# include <config.h>-
26#endif-
27-
28#include <sys/types.h>-
29#include <fcntl.h>-
30#include "posixjmp.h"-
31-
32#if defined (HAVE_UNISTD_H)-
33# include <unistd.h> /* for _POSIX_VERSION */-
34#endif /* HAVE_UNISTD_H */-
35-
36#if defined (HAVE_STDLIB_H)-
37# include <stdlib.h>-
38#else-
39# include "ansi_stdlib.h"-
40#endif /* HAVE_STDLIB_H */-
41-
42#include <stdio.h>-
43#include <ctype.h>-
44-
45/* System-specific feature definitions and include files. */-
46#include "rldefs.h"-
47#include "rlmbutil.h"-
48-
49#if defined (TIOCSTAT_IN_SYS_IOCTL)-
50# include <sys/ioctl.h>-
51#endif /* TIOCSTAT_IN_SYS_IOCTL */-
52-
53/* Some standard library routines. */-
54#include "readline.h"-
55-
56#include "rlprivate.h"-
57#include "xmalloc.h"-
58#include "rlshell.h"-
59-
60/* **************************************************************** */-
61/* */-
62/* Utility Functions */-
63/* */-
64/* **************************************************************** */-
65-
66/* Return 0 if C is not a member of the class of characters that belong-
67 in words, or 1 if it is. */-
68-
69int _rl_allow_pathname_alphabetic_chars = 0;-
70static const char * const pathname_alphabetic_chars = "/-_=~.#$";-
71-
72int-
73rl_alphabetic (int c)-
74{-
75 if (ALPHABETIC (c))
((unsigned char)(c) == (c))Description
TRUEnever evaluated
FALSEnever evaluated
((*__ctype_b_l...int) _ISalnum)Description
TRUEnever evaluated
FALSEnever evaluated
0
76 return (1);
never executed: return (1);
0
77-
78 return (_rl_allow_pathname_alphabetic_chars &&
never executed: return (_rl_allow_pathname_alphabetic_chars && (__extension__ (__builtin_constant_p ( c ) && !__builtin_constant_p ( pathname_alphabetic_chars ) && ( c ) == '\0' ? (char *) __rawmemchr ( pathname_alphabetic_chars , c ) : __builtin_strchr ( pathname_alphabetic_chars , c ))) != ((void *)0) );
0
79 strchr (pathname_alphabetic_chars, c) != NULL);
never executed: return (_rl_allow_pathname_alphabetic_chars && (__extension__ (__builtin_constant_p ( c ) && !__builtin_constant_p ( pathname_alphabetic_chars ) && ( c ) == '\0' ? (char *) __rawmemchr ( pathname_alphabetic_chars , c ) : __builtin_strchr ( pathname_alphabetic_chars , c ))) != ((void *)0) );
0
80}-
81-
82#if defined (HANDLE_MULTIBYTE)-
83int-
84_rl_walphabetic (wchar_t wc)-
85{-
86 int c;-
87-
88 if (iswalnum (wc))
iswalnum (wc)Description
TRUEnever evaluated
FALSEnever evaluated
0
89 return (1);
never executed: return (1);
0
90-
91 c = wc & 0177;-
92 return (_rl_allow_pathname_alphabetic_chars &&
never executed: return (_rl_allow_pathname_alphabetic_chars && (__extension__ (__builtin_constant_p ( c ) && !__builtin_constant_p ( pathname_alphabetic_chars ) && ( c ) == '\0' ? (char *) __rawmemchr ( pathname_alphabetic_chars , c ) : __builtin_strchr ( pathname_alphabetic_chars , c ))) != ((void *)0) );
0
93 strchr (pathname_alphabetic_chars, c) != NULL);
never executed: return (_rl_allow_pathname_alphabetic_chars && (__extension__ (__builtin_constant_p ( c ) && !__builtin_constant_p ( pathname_alphabetic_chars ) && ( c ) == '\0' ? (char *) __rawmemchr ( pathname_alphabetic_chars , c ) : __builtin_strchr ( pathname_alphabetic_chars , c ))) != ((void *)0) );
0
94}-
95#endif-
96-
97/* How to abort things. */-
98int-
99_rl_abort_internal (void)-
100{-
101 rl_ding ();-
102 rl_clear_message ();-
103 _rl_reset_argument ();-
104 rl_clear_pending_input ();-
105-
106 RL_UNSETSTATE (RL_STATE_MACRODEF);-
107 while (rl_executing_macro)
rl_executing_macroDescription
TRUEnever evaluated
FALSEnever evaluated
0
108 _rl_pop_executing_macro ();
never executed: _rl_pop_executing_macro ();
0
109-
110 RL_UNSETSTATE (RL_STATE_MULTIKEY); /* XXX */-
111-
112 rl_last_func = (rl_command_func_t *)NULL;-
113-
114 _rl_longjmp (_rl_top_level, 1);-
115 return (0);
never executed: return (0);
0
116}-
117-
118int-
119rl_abort (int count, int key)-
120{-
121 return (_rl_abort_internal ());
never executed: return (_rl_abort_internal ());
0
122}-
123-
124int-
125_rl_null_function (int count, int key)-
126{-
127 return 0;
never executed: return 0;
0
128}-
129-
130int-
131rl_tty_status (int count, int key)-
132{-
133#if defined (TIOCSTAT)-
134 ioctl (1, TIOCSTAT, (char *)0);-
135 rl_refresh_line (count, key);-
136#else-
137 rl_ding ();-
138#endif-
139 return 0;
never executed: return 0;
0
140}-
141-
142/* Return a copy of the string between FROM and TO.-
143 FROM is inclusive, TO is not. */-
144char *-
145rl_copy_text (int from, int to)-
146{-
147 register int length;-
148 char *copy;-
149-
150 /* Fix it if the caller is confused. */-
151 if (from > to)
from > toDescription
TRUEnever evaluated
FALSEnever evaluated
0
152 SWAP (from, to);
never executed: end of block
0
153-
154 length = to - from;-
155 copy = (char *)xmalloc (1 + length);-
156 strncpy (copy, rl_line_buffer + from, length);-
157 copy[length] = '\0';-
158 return (copy);
never executed: return (copy);
0
159}-
160-
161/* Increase the size of RL_LINE_BUFFER until it has enough space to hold-
162 LEN characters. */-
163void-
164rl_extend_line_buffer (int len)-
165{-
166 while (len >= rl_line_buffer_len)
len >= rl_line_buffer_lenDescription
TRUEnever evaluated
FALSEnever evaluated
0
167 {-
168 rl_line_buffer_len += DEFAULT_BUFFER_SIZE;-
169 rl_line_buffer = (char *)xrealloc (rl_line_buffer, rl_line_buffer_len);-
170 }
never executed: end of block
0
171-
172 _rl_set_the_line ();-
173}
never executed: end of block
0
174-
175-
176/* A function for simple tilde expansion. */-
177int-
178rl_tilde_expand (int ignore, int key)-
179{-
180 register int start, end;-
181 char *homedir, *temp;-
182 int len;-
183-
184 end = rl_point;-
185 start = end - 1;-
186-
187 if (rl_point == rl_end && rl_line_buffer[rl_point] == '~')
rl_point == rl_endDescription
TRUEnever evaluated
FALSEnever evaluated
rl_line_buffer..._point] == '~'Description
TRUEnever evaluated
FALSEnever evaluated
0
188 {-
189 homedir = tilde_expand ("~");-
190 _rl_replace_text (homedir, start, end);-
191 xfree (homedir);-
192 return (0);
never executed: return (0);
0
193 }-
194 else if (start >= 0 && rl_line_buffer[start] != '~')
start >= 0Description
TRUEnever evaluated
FALSEnever evaluated
rl_line_buffer[start] != '~'Description
TRUEnever evaluated
FALSEnever evaluated
0
195 {-
196 for (; start >= 0 && !whitespace (rl_line_buffer[start]); start--)
start >= 0Description
TRUEnever evaluated
FALSEnever evaluated
((rl_line_buff...tart]) == ' ')Description
TRUEnever evaluated
FALSEnever evaluated
((rl_line_buff...art]) == '\t')Description
TRUEnever evaluated
FALSEnever evaluated
0
197 ;
never executed: ;
0
198 start++;-
199 }
never executed: end of block
0
200 else if (start < 0)
start < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
201 start = 0;
never executed: start = 0;
0
202-
203 end = start;-
204 do-
205 end++;
never executed: end++;
0
206 while (whitespace (rl_line_buffer[end]) == 0 && end < rl_end);
(((rl_line_buf...== '\t')) == 0Description
TRUEnever evaluated
FALSEnever evaluated
((rl_line_buffer[end]) == ' ')Description
TRUEnever evaluated
FALSEnever evaluated
((rl_line_buff...end]) == '\t')Description
TRUEnever evaluated
FALSEnever evaluated
end < rl_endDescription
TRUEnever evaluated
FALSEnever evaluated
0
207-
208 if (whitespace (rl_line_buffer[end]) || end >= rl_end)
((rl_line_buffer[end]) == ' ')Description
TRUEnever evaluated
FALSEnever evaluated
((rl_line_buff...end]) == '\t')Description
TRUEnever evaluated
FALSEnever evaluated
end >= rl_endDescription
TRUEnever evaluated
FALSEnever evaluated
0
209 end--;
never executed: end--;
0
210-
211 /* If the first character of the current word is a tilde, perform-
212 tilde expansion and insert the result. If not a tilde, do-
213 nothing. */-
214 if (rl_line_buffer[start] == '~')
rl_line_buffer[start] == '~'Description
TRUEnever evaluated
FALSEnever evaluated
0
215 {-
216 len = end - start + 1;-
217 temp = (char *)xmalloc (len + 1);-
218 strncpy (temp, rl_line_buffer + start, len);-
219 temp[len] = '\0';-
220 homedir = tilde_expand (temp);-
221 xfree (temp);-
222-
223 _rl_replace_text (homedir, start, end);-
224 xfree (homedir);-
225 }
never executed: end of block
0
226-
227 return (0);
never executed: return (0);
0
228}-
229-
230#if defined (USE_VARARGS)-
231void-
232#if defined (PREFER_STDARG)-
233_rl_ttymsg (const char *format, ...)-
234#else-
235_rl_ttymsg (va_alist)-
236 va_dcl-
237#endif-
238{-
239 va_list args;-
240#if defined (PREFER_VARARGS)-
241 char *format;-
242#endif-
243-
244#if defined (PREFER_STDARG)-
245 va_start (args, format);-
246#else-
247 va_start (args);-
248 format = va_arg (args, char *);-
249#endif-
250-
251 fprintf (stderr, "readline: ");-
252 vfprintf (stderr, format, args);-
253 fprintf (stderr, "\n");-
254 fflush (stderr);-
255-
256 va_end (args);-
257-
258 rl_forced_update_display ();-
259}
never executed: end of block
0
260-
261void-
262#if defined (PREFER_STDARG)-
263_rl_errmsg (const char *format, ...)-
264#else-
265_rl_errmsg (va_alist)-
266 va_dcl-
267#endif-
268{-
269 va_list args;-
270#if defined (PREFER_VARARGS)-
271 char *format;-
272#endif-
273-
274#if defined (PREFER_STDARG)-
275 va_start (args, format);-
276#else-
277 va_start (args);-
278 format = va_arg (args, char *);-
279#endif-
280-
281 fprintf (stderr, "readline: ");-
282 vfprintf (stderr, format, args);-
283 fprintf (stderr, "\n");-
284 fflush (stderr);-
285-
286 va_end (args);-
287}
never executed: end of block
0
288-
289#else /* !USE_VARARGS */-
290void-
291_rl_ttymsg (format, arg1, arg2)-
292 char *format;-
293{-
294 fprintf (stderr, "readline: ");-
295 fprintf (stderr, format, arg1, arg2);-
296 fprintf (stderr, "\n");-
297-
298 rl_forced_update_display ();-
299}-
300-
301void-
302_rl_errmsg (format, arg1, arg2)-
303 char *format;-
304{-
305 fprintf (stderr, "readline: ");-
306 fprintf (stderr, format, arg1, arg2);-
307 fprintf (stderr, "\n");-
308}-
309#endif /* !USE_VARARGS */-
310-
311/* **************************************************************** */-
312/* */-
313/* String Utility Functions */-
314/* */-
315/* **************************************************************** */-
316-
317/* Determine if s2 occurs in s1. If so, return a pointer to the-
318 match in s1. The compare is case insensitive. */-
319char *-
320_rl_strindex (const char *s1, const char *s2)-
321{-
322 register int i, l, len;-
323-
324 for (i = 0, l = strlen (s2), len = strlen (s1); (len - i) >= l; i++)
(len - i) >= lDescription
TRUEnever evaluated
FALSEnever evaluated
0
325 if (_rl_strnicmp (s1 + i, s2, l) == 0)
strncasecmp (s...i, s2, l) == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
326 return ((char *) (s1 + i));
never executed: return ((char *) (s1 + i));
0
327 return ((char *)NULL);
never executed: return ((char *) ((void *)0) );
0
328}-
329-
330#ifndef HAVE_STRPBRK-
331/* Find the first occurrence in STRING1 of any character from STRING2.-
332 Return a pointer to the character in STRING1. */-
333char *-
334_rl_strpbrk (const char *string1, const char *string2)-
335{-
336 register const char *scan;-
337#if defined (HANDLE_MULTIBYTE)-
338 mbstate_t ps;-
339 register int i, v;-
340-
341 memset (&ps, 0, sizeof (mbstate_t));-
342#endif-
343-
344 for (; *string1; string1++)-
345 {-
346 for (scan = string2; *scan; scan++)-
347 {-
348 if (*string1 == *scan)-
349 return ((char *)string1);-
350 }-
351#if defined (HANDLE_MULTIBYTE)-
352 if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)-
353 {-
354 v = _rl_get_char_len (string1, &ps);-
355 if (v > 1)-
356 string1 += v - 1; /* -1 to account for auto-increment in loop */-
357 }-
358#endif-
359 }-
360 return ((char *)NULL);-
361}-
362#endif-
363-
364#if !defined (HAVE_STRCASECMP)-
365/* Compare at most COUNT characters from string1 to string2. Case-
366 doesn't matter (strncasecmp). */-
367int-
368_rl_strnicmp (const char *string1, const char *string2, int count)-
369{-
370 register const char *s1;-
371 register const char *s2;-
372 register int d;-
373-
374 if (count <= 0 || (string1 == string2))-
375 return 0;-
376-
377 s1 = string1;-
378 s2 = string2;-
379 do-
380 {-
381 d = _rl_to_lower (*s1) - _rl_to_lower (*s2); /* XXX - cast to unsigned char? */-
382 if (d != 0)-
383 return d;-
384 if (*s1++ == '\0')-
385 break;-
386 s2++;-
387 }-
388 while (--count != 0);-
389-
390 return (0);-
391}-
392-
393/* strcmp (), but caseless (strcasecmp). */-
394int-
395_rl_stricmp (const char *string1, const char *string2)-
396{-
397 register const char *s1;-
398 register const char *s2;-
399 register int d;-
400-
401 s1 = string1;-
402 s2 = string2;-
403-
404 if (s1 == s2)-
405 return 0;-
406-
407 while ((d = _rl_to_lower (*s1) - _rl_to_lower (*s2)) == 0)-
408 {-
409 if (*s1++ == '\0')-
410 return 0;-
411 s2++;-
412 }-
413-
414 return (d);-
415}-
416#endif /* !HAVE_STRCASECMP */-
417-
418/* Stupid comparison routine for qsort () ing strings. */-
419int-
420_rl_qsort_string_compare (char **s1, char **s2)-
421{-
422#if defined (HAVE_STRCOLL)-
423 return (strcoll (*s1, *s2));
never executed: return (strcoll (*s1, *s2));
0
424#else-
425 int result;-
426-
427 result = **s1 - **s2;-
428 if (result == 0)-
429 result = strcmp (*s1, *s2);-
430-
431 return result;-
432#endif-
433}-
434-
435/* Function equivalents for the macros defined in chardefs.h. */-
436#define FUNCTION_FOR_MACRO(f) int (f) (int c) { return f (c); }-
437-
438FUNCTION_FOR_MACRO (_rl_digit_p)
never executed: return ((c) >= '0' && (c) <= '9');
0
439FUNCTION_FOR_MACRO (_rl_digit_value)
never executed: return ((c) - '0');
0
440FUNCTION_FOR_MACRO (_rl_lowercase_p)
never executed: return (((unsigned char)(c) == (c)) && (1 && ((*__ctype_b_loc ())[(int) (( (unsigned char)c ))] & (unsigned short int) _ISlower) ));
0
441FUNCTION_FOR_MACRO (_rl_pure_alphabetic)
never executed: return (((unsigned char)(c) == (c)) && (1 && ((*__ctype_b_loc ())[(int) (( (unsigned char)c ))] & (unsigned short int) _ISalpha) ));
0
442FUNCTION_FOR_MACRO (_rl_to_lower)
never executed: return ((((unsigned char)(c) == (c)) && (1 && ((*__ctype_b_loc ())[(int) (( (unsigned char)c ))] & (unsigned short int) _ISupper) )) ? (__extension__ ({ int __res; if (sizeof ( (unsigned char)c ) > 1) { if (__builtin_constant_p ( (unsigned char)c )) { int __c = ( (unsigned char)c ); __res = __c < -128 || __c > 255 ? __c : (*__ctype_tolower_loc ())[__c]; } else __res = tolower ( (unsigned char)c ); } else __res = (*__ctype_tolower_loc ())[(int) ( (unsigned char)c )]; __res; })) : (c));
never executed: end of block
never executed: __res = tolower ( (unsigned char)c );
never executed: __res = (*__ctype_tolower_loc ())[(int) ( (unsigned char)c )];
sizeof ( (unsi...d char)c ) > 1Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons...igned char)c )Description
TRUEnever evaluated
FALSEnever evaluated
__c < -128Description
TRUEnever evaluated
FALSEnever evaluated
__c > 255Description
TRUEnever evaluated
FALSEnever evaluated
0
443FUNCTION_FOR_MACRO (_rl_to_upper)
never executed: return ((((unsigned char)(c) == (c)) && (1 && ((*__ctype_b_loc ())[(int) (( (unsigned char)c ))] & (unsigned short int) _ISlower) )) ? (__extension__ ({ int __res; if (sizeof ( (unsigned char)c ) > 1) { if (__builtin_constant_p ( (unsigned char)c )) { int __c = ( (unsigned char)c ); __res = __c < -128 || __c > 255 ? __c : (*__ctype_toupper_loc ())[__c]; } else __res = toupper ( (unsigned char)c ); } else __res = (*__ctype_toupper_loc ())[(int) ( (unsigned char)c )]; __res; })) : (c));
never executed: end of block
never executed: __res = toupper ( (unsigned char)c );
never executed: __res = (*__ctype_toupper_loc ())[(int) ( (unsigned char)c )];
sizeof ( (unsi...d char)c ) > 1Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons...igned char)c )Description
TRUEnever evaluated
FALSEnever evaluated
__c < -128Description
TRUEnever evaluated
FALSEnever evaluated
__c > 255Description
TRUEnever evaluated
FALSEnever evaluated
0
444FUNCTION_FOR_MACRO (_rl_uppercase_p)
never executed: return (((unsigned char)(c) == (c)) && (1 && ((*__ctype_b_loc ())[(int) (( (unsigned char)c ))] & (unsigned short int) _ISupper) ));
0
445-
446/* A convenience function, to force memory deallocation to be performed-
447 by readline. DLLs on Windows apparently require this. */-
448void-
449rl_free (void *mem)-
450{-
451 if (mem)
memDescription
TRUEnever evaluated
FALSEnever evaluated
0
452 free (mem);
never executed: free (mem);
0
453}
never executed: end of block
0
454-
455/* Backwards compatibility, now that savestring has been removed from-
456 all `public' readline header files. */-
457#undef _rl_savestring-
458char *-
459_rl_savestring (const char *s)-
460{-
461 return (strcpy ((char *)xmalloc (1 + (int)strlen (s)), (s)));
never executed: return (strcpy ((char *)xmalloc (1 + (int)strlen (s)), (s)));
0
462}-
463-
464#if defined (DEBUG)-
465#if defined (USE_VARARGS)-
466static FILE *_rl_tracefp;-
467-
468void-
469#if defined (PREFER_STDARG)-
470_rl_trace (const char *format, ...)-
471#else-
472_rl_trace (va_alist)-
473 va_dcl-
474#endif-
475{-
476 va_list args;-
477#if defined (PREFER_VARARGS)-
478 char *format;-
479#endif-
480-
481#if defined (PREFER_STDARG)-
482 va_start (args, format);-
483#else-
484 va_start (args);-
485 format = va_arg (args, char *);-
486#endif-
487-
488 if (_rl_tracefp == 0)
_rl_tracefp == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
489 _rl_tropen ();
never executed: _rl_tropen ();
0
490 vfprintf (_rl_tracefp, format, args);-
491 fprintf (_rl_tracefp, "\n");-
492 fflush (_rl_tracefp);-
493-
494 va_end (args);-
495}
never executed: end of block
0
496-
497int-
498_rl_tropen (void)-
499{-
500 char fnbuf[128], *x;-
501-
502 if (_rl_tracefp)
_rl_tracefpDescription
TRUEnever evaluated
FALSEnever evaluated
0
503 fclose (_rl_tracefp);
never executed: fclose (_rl_tracefp);
0
504#if defined (_WIN32) && !defined (__CYGWIN__)-
505 x = sh_get_env_value ("TEMP");-
506 if (x == 0)-
507 x = ".";-
508#else-
509 x = "/var/tmp";-
510#endif-
511 snprintf (fnbuf, sizeof (fnbuf), "%s/rltrace.%ld", x, (long)getpid());-
512 unlink(fnbuf);-
513 _rl_tracefp = fopen (fnbuf, "w+");-
514 return _rl_tracefp != 0;
never executed: return _rl_tracefp != 0;
0
515}-
516-
517int-
518_rl_trclose (void)-
519{-
520 int r;-
521-
522 r = fclose (_rl_tracefp);-
523 _rl_tracefp = 0;-
524 return r;
never executed: return r;
0
525}-
526-
527void-
528_rl_settracefp (FILE *fp)-
529{-
530 _rl_tracefp = fp;-
531}
never executed: end of block
0
532#endif-
533#endif /* DEBUG */-
534-
535-
536#if HAVE_DECL_AUDIT_USER_TTY && defined (HAVE_LIBAUDIT_H) && defined (ENABLE_TTY_AUDIT_SUPPORT)-
537#include <sys/socket.h>-
538#include <libaudit.h>-
539#include <linux/audit.h>-
540#include <linux/netlink.h>-
541-
542/* Report STRING to the audit system. */-
543void-
544_rl_audit_tty (char *string)-
545{-
546 struct audit_message req;-
547 struct sockaddr_nl addr;-
548 size_t size;-
549 int fd;-
550-
551 fd = socket (PF_NETLINK, SOCK_RAW, NETLINK_AUDIT);-
552 if (fd < 0)-
553 return;-
554 size = strlen (string) + 1;-
555-
556 if (NLMSG_SPACE (size) > MAX_AUDIT_MESSAGE_LENGTH)-
557 return;-
558-
559 memset (&req, 0, sizeof(req));-
560 req.nlh.nlmsg_len = NLMSG_SPACE (size);-
561 req.nlh.nlmsg_type = AUDIT_USER_TTY;-
562 req.nlh.nlmsg_flags = NLM_F_REQUEST;-
563 req.nlh.nlmsg_seq = 0;-
564 if (size && string)-
565 memcpy (NLMSG_DATA(&req.nlh), string, size);-
566 memset (&addr, 0, sizeof(addr));-
567-
568 addr.nl_family = AF_NETLINK;-
569 addr.nl_pid = 0;-
570 addr.nl_groups = 0;-
571-
572 sendto (fd, &req, req.nlh.nlmsg_len, 0, (struct sockaddr*)&addr, sizeof(addr));-
573 close (fd);-
574}-
575#endif-
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