/* util.c -- readline utility functions */
-/* Copyright (C) 1987-2012 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2017 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
static const char * const pathname_alphabetic_chars = "/-_=~.#$";
int
-rl_alphabetic (c)
- int c;
+rl_alphabetic (int c)
{
if (ALPHABETIC (c))
return (1);
/* How to abort things. */
int
-_rl_abort_internal ()
+_rl_abort_internal (void)
{
rl_ding ();
rl_clear_message ();
}
int
-rl_abort (count, key)
- int count, key;
+rl_abort (int count, int key)
{
return (_rl_abort_internal ());
}
int
-_rl_null_function (count, key)
- int count, key;
+_rl_null_function (int count, int key)
{
return 0;
}
int
-rl_tty_status (count, key)
- int count, key;
+rl_tty_status (int count, int key)
{
#if defined (TIOCSTAT)
ioctl (1, TIOCSTAT, (char *)0);
/* Return a copy of the string between FROM and TO.
FROM is inclusive, TO is not. */
char *
-rl_copy_text (from, to)
- int from, to;
+rl_copy_text (int from, int to)
{
register int length;
char *copy;
/* Increase the size of RL_LINE_BUFFER until it has enough space to hold
LEN characters. */
void
-rl_extend_line_buffer (len)
- int len;
+rl_extend_line_buffer (int len)
{
while (len >= rl_line_buffer_len)
{
/* A function for simple tilde expansion. */
int
-rl_tilde_expand (ignore, key)
- int ignore, key;
+rl_tilde_expand (int ignore, int key)
{
register int start, end;
char *homedir, *temp;
xfree (homedir);
return (0);
}
- else if (rl_line_buffer[start] != '~')
+ else if (start >= 0 && rl_line_buffer[start] != '~')
{
- for (; !whitespace (rl_line_buffer[start]) && start >= 0; start--)
+ for (; start >= 0 && !whitespace (rl_line_buffer[start]); start--)
;
start++;
}
+ else if (start < 0)
+ start = 0;
end = start;
do
/* Determine if s2 occurs in s1. If so, return a pointer to the
match in s1. The compare is case insensitive. */
char *
-_rl_strindex (s1, s2)
- register const char *s1, *s2;
+_rl_strindex (const char *s1, const char *s2)
{
register int i, l, len;
/* Find the first occurrence in STRING1 of any character from STRING2.
Return a pointer to the character in STRING1. */
char *
-_rl_strpbrk (string1, string2)
- const char *string1, *string2;
+_rl_strpbrk (const char *string1, const char *string2)
{
register const char *scan;
#if defined (HANDLE_MULTIBYTE)
/* Compare at most COUNT characters from string1 to string2. Case
doesn't matter (strncasecmp). */
int
-_rl_strnicmp (string1, string2, count)
- const char *string1;
- const char *string2;
- int count;
+_rl_strnicmp (const char *string1, const char *string2, int count)
{
register const char *s1;
register const char *s2;
/* strcmp (), but caseless (strcasecmp). */
int
-_rl_stricmp (string1, string2)
- const char *string1;
- const char *string2;
+_rl_stricmp (const char *string1, const char *string2)
{
register const char *s1;
register const char *s2;
/* Stupid comparison routine for qsort () ing strings. */
int
-_rl_qsort_string_compare (s1, s2)
- char **s1, **s2;
+_rl_qsort_string_compare (char **s1, char **s2)
{
#if defined (HAVE_STRCOLL)
return (strcoll (*s1, *s2));
}
/* Function equivalents for the macros defined in chardefs.h. */
-#define FUNCTION_FOR_MACRO(f) int (f) (c) int c; { return f (c); }
+#define FUNCTION_FOR_MACRO(f) int (f) (int c) { return f (c); }
FUNCTION_FOR_MACRO (_rl_digit_p)
FUNCTION_FOR_MACRO (_rl_digit_value)
/* A convenience function, to force memory deallocation to be performed
by readline. DLLs on Windows apparently require this. */
void
-rl_free (mem)
- void *mem;
+rl_free (void *mem)
{
if (mem)
free (mem);
all `public' readline header files. */
#undef _rl_savestring
char *
-_rl_savestring (s)
- const char *s;
+_rl_savestring (const char *s)
{
return (strcpy ((char *)xmalloc (1 + (int)strlen (s)), (s)));
}
}
int
-_rl_tropen ()
+_rl_tropen (void)
{
char fnbuf[128], *x;
if (_rl_tracefp)
fclose (_rl_tracefp);
#if defined (_WIN32) && !defined (__CYGWIN__)
- x = sh_get_env_value ("TEMP");
- if (x == 0)
- x = ".";
+ /* Windows doesn't have /var/tmp, so open the trace file in the
+ user's temporary directory instead. */
+ snprintf (fnbuf, sizeof (fnbuf), "%s/rltrace.%ld",
+ (sh_get_env_value ("TEMP")
+ ? sh_get_env_value ("TEMP")
+ : "."),
+ getpid ());
#else
- x = "/var/tmp";
+ sprintf (fnbuf, "/var/tmp/rltrace.%ld", (long) getpid ());
#endif
- sprintf (fnbuf, "%s/rltrace.%ld", x, (long)getpid());
- unlink(fnbuf);
+ unlink (fnbuf);
_rl_tracefp = fopen (fnbuf, "w+");
return _rl_tracefp != 0;
}
int
-_rl_trclose ()
+_rl_trclose (void)
{
int r;
}
void
-_rl_settracefp (fp)
- FILE *fp;
+_rl_settracefp (FILE *fp)
{
_rl_tracefp = fp;
}
#endif /* DEBUG */
-#if HAVE_DECL_AUDIT_USER_TTY && defined (ENABLE_TTY_AUDIT_SUPPORT)
+#if HAVE_DECL_AUDIT_USER_TTY && defined (HAVE_LIBAUDIT_H) && defined (ENABLE_TTY_AUDIT_SUPPORT)
#include <sys/socket.h>
+#include <libaudit.h>
#include <linux/audit.h>
#include <linux/netlink.h>
/* Report STRING to the audit system. */
void
-_rl_audit_tty (string)
- char *string;
+_rl_audit_tty (char *string)
{
+ struct audit_message req;
struct sockaddr_nl addr;
- struct msghdr msg;
- struct nlmsghdr nlm;
- struct iovec iov[2];
size_t size;
int fd;
- fd = socket (AF_NETLINK, SOCK_RAW, NETLINK_AUDIT);
+ fd = socket (PF_NETLINK, SOCK_RAW, NETLINK_AUDIT);
if (fd < 0)
return;
size = strlen (string) + 1;
- nlm.nlmsg_len = NLMSG_LENGTH (size);
- nlm.nlmsg_type = AUDIT_USER_TTY;
- nlm.nlmsg_flags = NLM_F_REQUEST;
- nlm.nlmsg_seq = 0;
- nlm.nlmsg_pid = 0;
+ if (NLMSG_SPACE (size) > MAX_AUDIT_MESSAGE_LENGTH)
+ return;
- iov[0].iov_base = &nlm;
- iov[0].iov_len = sizeof (nlm);
- iov[1].iov_base = string;
- iov[1].iov_len = size;
+ memset (&req, 0, sizeof(req));
+ req.nlh.nlmsg_len = NLMSG_SPACE (size);
+ req.nlh.nlmsg_type = AUDIT_USER_TTY;
+ req.nlh.nlmsg_flags = NLM_F_REQUEST;
+ req.nlh.nlmsg_seq = 0;
+ if (size && string)
+ memcpy (NLMSG_DATA(&req.nlh), string, size);
+ memset (&addr, 0, sizeof(addr));
addr.nl_family = AF_NETLINK;
addr.nl_pid = 0;
addr.nl_groups = 0;
- msg.msg_name = &addr;
- msg.msg_namelen = sizeof (addr);
- msg.msg_iov = iov;
- msg.msg_iovlen = 2;
- msg.msg_control = NULL;
- msg.msg_controllen = 0;
- msg.msg_flags = 0;
-
- (void)sendmsg (fd, &msg, 0);
+ sendto (fd, &req, req.nlh.nlmsg_len, 0, (struct sockaddr*)&addr, sizeof(addr));
close (fd);
}
#endif