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Adding upstream version 5.2.37.

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Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
This commit is contained in:
Daniel Baumann 2025-06-21 06:49:21 +02:00
parent cf91100bce
commit fa1b3d3922
Signed by: daniel.baumann
GPG key ID: BCC918A2ABD66424
1435 changed files with 757174 additions and 0 deletions
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90
lib/termcap/Makefile.in Normal file
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## -*- text -*- ####################################################
# #
# Makefile for termcap replacement libbrary. #
# #
####################################################################
# Copyright (C) 1996-2009 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
srcdir = @srcdir@
VPATH = @srcdir@
topdir = @top_srcdir@
BUILD_DIR = @BUILD_DIR@
libdir = @libdir@
INSTALL = @INSTALL@
INSTALL_PROGRAM = @INSTALL_PROGRAM@
INSTALL_DATA = @INSTALL_DATA@
CC = @CC@
RANLIB = @RANLIB@
AR = @AR@
ARFLAGS = @ARFLAGS@
RM = rm -f
CP = cp
MV = mv
SHELL = @MAKE_SHELL@
CFLAGS = @CFLAGS@
CPPFLAGS = @CPPFLAGS@
LDFLAGS = @LDFLAGS@
DEFS = @DEFS@
INCLUDES = -I. -I../.. -I$(topdir) -I$(topdir)/lib -I$(srcdir)
CCFLAGS = $(CFLAGS) $(DEFS) $(CPPFLAGS) ${INCLUDES}
# Here is a rule for making .o files from .c files that doesn't force
# the type of the machine (like -sun3) into the flags.
.c.o:
$(CC) -c $(CCFLAGS) $<
SOURCES = termcap.c tparam.c
OBJECTS = termcap.o tparam.o
DOCUMENTATION = termcap.texinfo
THINGS_TO_TAR = $(SOURCES) $(DOCUMENTATION)
##########################################################################
all: libtermcap.a
libtermcap.a: $(OBJECTS)
$(RM) -f $@
$(AR) $(ARFLAGS) $@ $(OBJECTS)
-test -n "$(RANLIB)" && $(RANLIB) $@
install:
clean:
$(RM) *.o *.a *.log *.cp *.tp *.vr *.fn *.aux *.pg *.toc
mostlyclean: clean
distclean maintainer-clean: clean
$(RM) Makefile
$(DESTDIR)$(libdir)/libtermcap.a: libtermcap.a
${INSTALL_DATA} -c -m 644 libtermcap.a $@
-test -n "$(RANLIB)" && $(RANLIB) -t $@
termcap.o: $(BUILD_DIR)/config.h
tparam.o: $(BUILD_DIR)/config.h
version.o: $(BUILD_DIR)/config.h

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/* ltcap.h - Local declarations for termcap library. */
/* Copyright (C) 1999-2009 Free Software Foundation, Inc.
Bash is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Bash is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Bash. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _LTCAP_H_
#define _LTCAP_H_ 1
#if !defined (__APPLE__)
# define __private_extern__
#endif
#ifndef MAX_TGETENT_BUFSIZ
# define MAX_TGETENT_BUFSIZ 2048
#endif
#endif /* _LTCAP_H_ */

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/* termcap.c - Work-alike for termcap, plus extra features. */
/* Copyright (C) 1985, 1986, 1993,1994, 1995, 1998, 2001,2003,2005,2006,2008,2009 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Bash is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Bash. If not, see <http://www.gnu.org/licenses/>.
*/
/* Emacs config.h may rename various library functions such as malloc. */
#ifdef HAVE_CONFIG_H
#include <config.h>
/* Get the O_* definitions for open et al. */
#if !defined (_MINIX) && defined (HAVE_SYS_FILE_H)
# include <sys/file.h>
#endif
#include <fcntl.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#else
extern char *getenv ();
extern char *malloc ();
extern char *realloc ();
#endif
#if defined (HAVE_STRING_H)
#include <string.h>
#endif
#if !defined (HAVE_BCOPY) && (defined (HAVE_STRING_H) || defined (STDC_HEADERS))
# define bcopy(s, d, n) memcpy ((d), (s), (n))
#endif
#else /* not HAVE_CONFIG_H */
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#else
char *getenv ();
char *malloc ();
char *realloc ();
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
/* Do this after the include, in case string.h prototypes bcopy. */
#if (defined(HAVE_STRING_H) || defined(STDC_HEADERS)) && !defined(bcopy)
#define bcopy(s, d, n) memcpy ((d), (s), (n))
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef _POSIX_VERSION
#include <fcntl.h>
#endif
#endif /* not HAVE_CONFIG_H */
#ifndef NULL
#define NULL (char *) 0
#endif
#ifndef O_RDONLY
#define O_RDONLY 0
#endif
/* BUFSIZE is the initial size allocated for the buffer
for reading the termcap file.
It is not a limit.
Make it large normally for speed.
Make it variable when debugging, so can exercise
increasing the space dynamically. */
#ifndef BUFSIZE
#ifdef DEBUG
#define BUFSIZE bufsize
int bufsize = 128;
#else
#define BUFSIZE 2048
#endif
#endif
#include "ltcap.h"
#ifndef TERMCAP_FILE
#define TERMCAP_FILE "/etc/termcap"
#endif
#ifndef emacs
static void
memory_out ()
{
write (2, "virtual memory exhausted\n", 25);
exit (1);
}
static char *
xmalloc (size)
unsigned size;
{
register char *tem = malloc (size);
if (!tem)
memory_out ();
return tem;
}
static char *
xrealloc (ptr, size)
char *ptr;
unsigned size;
{
register char *tem = realloc (ptr, size);
if (!tem)
memory_out ();
return tem;
}
#endif /* not emacs */
/* Looking up capabilities in the entry already found. */
/* The pointer to the data made by tgetent is left here
for tgetnum, tgetflag and tgetstr to find. */
static char *term_entry;
static char *tgetst1 ();
/* Search entry BP for capability CAP.
Return a pointer to the capability (in BP) if found,
0 if not found. */
static char *
find_capability (bp, cap)
register char *bp, *cap;
{
for (; *bp; bp++)
if (bp[0] == ':'
&& bp[1] == cap[0]
&& bp[2] == cap[1])
return &bp[4];
return NULL;
}
__private_extern__
int
tgetnum (cap)
char *cap;
{
register char *ptr = find_capability (term_entry, cap);
if (!ptr || ptr[-1] != '#')
return -1;
return atoi (ptr);
}
__private_extern__
int
tgetflag (cap)
char *cap;
{
register char *ptr = find_capability (term_entry, cap);
return ptr && ptr[-1] == ':';
}
/* Look up a string-valued capability CAP.
If AREA is non-null, it points to a pointer to a block in which
to store the string. That pointer is advanced over the space used.
If AREA is null, space is allocated with `malloc'. */
__private_extern__
char *
tgetstr (cap, area)
char *cap;
char **area;
{
register char *ptr = find_capability (term_entry, cap);
if (!ptr || (ptr[-1] != '=' && ptr[-1] != '~'))
return NULL;
return tgetst1 (ptr, area);
}
/* Table, indexed by a character in range 0100 to 0140 with 0100 subtracted,
gives meaning of character following \, or a space if no special meaning.
Eight characters per line within the string. */
static char esctab[]
= " \007\010 \033\014 \
\012 \
\015 \011 \013 \
";
/* PTR points to a string value inside a termcap entry.
Copy that value, processing \ and ^ abbreviations,
into the block that *AREA points to,
or to newly allocated storage if AREA is NULL.
Return the address to which we copied the value,
or NULL if PTR is NULL. */
static char *
tgetst1 (ptr, area)
char *ptr;
char **area;
{
register char *p, *r;
register int c;
register int size;
char *ret;
register int c1;
if (!ptr)
return NULL;
/* `ret' gets address of where to store the string. */
if (!area)
{
/* Compute size of block needed (may overestimate). */
p = ptr;
while ((c = *p++) && c != ':' && c != '\n')
;
ret = (char *) xmalloc (p - ptr + 1);
}
else
ret = *area;
/* Copy the string value, stopping at null or colon.
Also process ^ and \ abbreviations. */
p = ptr;
r = ret;
while ((c = *p++) && c != ':' && c != '\n')
{
if (c == '^')
{
c = *p++;
if (c == '?')
c = 0177;
else
c &= 037;
}
else if (c == '\\')
{
c = *p++;
if (c >= '0' && c <= '7')
{
c -= '0';
size = 0;
while (++size < 3 && (c1 = *p) >= '0' && c1 <= '7')
{
c *= 8;
c += c1 - '0';
p++;
}
}
else if (c >= 0100 && c < 0200)
{
c1 = esctab[(c & ~040) - 0100];
if (c1 != ' ')
c = c1;
}
}
*r++ = c;
}
*r = '\0';
/* Update *AREA. */
if (area)
*area = r + 1;
return ret;
}
/* Outputting a string with padding. */
short ospeed;
/* If OSPEED is 0, we use this as the actual baud rate. */
int tputs_baud_rate;
__private_extern__ char PC = '\0';
/* Actual baud rate if positive;
- baud rate / 100 if negative. */
static int speeds[] =
{
#ifdef VMS
0, 50, 75, 110, 134, 150, -3, -6, -12, -18,
-20, -24, -36, -48, -72, -96, -192
#else /* not VMS */
0, 50, 75, 110, 135, 150, -2, -3, -6, -12,
-18, -24, -48, -96, -192, -288, -384, -576, -1152
#endif /* not VMS */
};
__private_extern__
int
tputs (str, nlines, outfun)
register char *str;
int nlines;
register int (*outfun) ();
{
register int padcount = 0;
register int speed;
#ifdef emacs
extern baud_rate;
speed = baud_rate;
/* For quite high speeds, convert to the smaller
units to avoid overflow. */
if (speed > 10000)
speed = - speed / 100;
#else
if (ospeed == 0)
speed = tputs_baud_rate;
else if (ospeed > 0 && ospeed < (sizeof speeds / sizeof speeds[0]))
speed = speeds[ospeed];
else
speed = 0;
#endif
if (!str)
return -1;
while (*str >= '0' && *str <= '9')
{
padcount += *str++ - '0';
padcount *= 10;
}
if (*str == '.')
{
str++;
padcount += *str++ - '0';
}
if (*str == '*')
{
str++;
padcount *= nlines;
}
while (*str)
(*outfun) (*str++);
/* PADCOUNT is now in units of tenths of msec.
SPEED is measured in characters per 10 seconds
or in characters per .1 seconds (if negative).
We use the smaller units for larger speeds to avoid overflow. */
padcount *= speed;
padcount += 500;
padcount /= 1000;
if (speed < 0)
padcount = -padcount;
else
{
padcount += 50;
padcount /= 100;
}
while (padcount-- > 0)
(*outfun) (PC);
return 0;
}
/* Finding the termcap entry in the termcap data base. */
struct buffer
{
char *beg;
int size;
char *ptr;
int ateof;
int full;
};
/* Forward declarations of static functions. */
static int scan_file ();
static char *gobble_line ();
static int compare_contin ();
static int name_match ();
#ifdef VMS
#include <rmsdef.h>
#include <fab.h>
#include <nam.h>
static int
valid_filename_p (fn)
char *fn;
{
struct FAB fab = cc$rms_fab;
struct NAM nam = cc$rms_nam;
char esa[NAM$C_MAXRSS];
fab.fab$l_fna = fn;
fab.fab$b_fns = strlen(fn);
fab.fab$l_nam = &nam;
fab.fab$l_fop = FAB$M_NAM;
nam.nam$l_esa = esa;
nam.nam$b_ess = sizeof esa;
return SYS$PARSE(&fab, 0, 0) == RMS$_NORMAL;
}
#else /* !VMS */
#ifdef MSDOS /* MW, May 1993 */
static int
valid_filename_p (fn)
char *fn;
{
return *fn == '\\' || *fn == '/' ||
(*fn >= 'A' && *fn <= 'z' && fn[1] == ':');
}
#else
#define valid_filename_p(fn) (*(fn) == '/')
#endif
#endif /* !VMS */
/* Find the termcap entry data for terminal type NAME
and store it in the block that BP points to.
Record its address for future use.
If BP is null, space is dynamically allocated.
Return -1 if there is some difficulty accessing the data base
of terminal types,
0 if the data base is accessible but the type NAME is not defined
in it, and some other value otherwise. */
__private_extern__
int
tgetent (bp, name)
char *bp, *name;
{
register char *termcap_name;
register int fd;
struct buffer buf;
register char *bp1;
char *bp2;
char *term;
int malloc_size = 0;
register int c;
char *tcenv; /* TERMCAP value, if it contains :tc=. */
char *indirect = NULL; /* Terminal type in :tc= in TERMCAP value. */
int filep;
#ifdef INTERNAL_TERMINAL
/* For the internal terminal we don't want to read any termcap file,
so fake it. */
if (!strcmp (name, "internal"))
{
term = INTERNAL_TERMINAL;
if (!bp)
{
malloc_size = 1 + strlen (term);
bp = (char *) xmalloc (malloc_size);
}
strcpy (bp, term);
goto ret;
}
#endif /* INTERNAL_TERMINAL */
/* For compatibility with programs like `less' that want to
put data in the termcap buffer themselves as a fallback. */
if (bp)
term_entry = bp;
termcap_name = getenv ("TERMCAP");
if (termcap_name && *termcap_name == '\0')
termcap_name = NULL;
#if 0
#if defined (MSDOS) && !defined (TEST)
if (termcap_name && (*termcap_name == '\\'
|| *termcap_name == '/'
|| termcap_name[1] == ':'))
dostounix_filename(termcap_name);
#endif
#endif
filep = termcap_name && valid_filename_p (termcap_name);
/* If termcap_name is non-null and starts with / (in the un*x case, that is),
it is a file name to use instead of /etc/termcap.
If it is non-null and does not start with /,
it is the entry itself, but only if
the name the caller requested matches the TERM variable. */
if (termcap_name && !filep && !strcmp (name, getenv ("TERM")))
{
indirect = tgetst1 (find_capability (termcap_name, "tc"), (char **) 0);
if (!indirect)
{
if (!bp)
bp = termcap_name;
else
strcpy (bp, termcap_name);
goto ret;
}
else
{ /* It has tc=. Need to read /etc/termcap. */
tcenv = termcap_name;
termcap_name = NULL;
}
}
if (!termcap_name || !filep)
termcap_name = TERMCAP_FILE;
/* Here we know we must search a file and termcap_name has its name. */
#ifdef MSDOS
fd = open (termcap_name, O_RDONLY|O_TEXT, 0);
#else
fd = open (termcap_name, O_RDONLY, 0);
#endif
if (fd < 0)
return -1;
buf.size = BUFSIZE;
/* Add 1 to size to ensure room for terminating null. */
buf.beg = (char *) xmalloc (buf.size + 1);
term = indirect ? indirect : name;
if (!bp)
{
malloc_size = indirect ? strlen (tcenv) + 1 : buf.size;
bp = (char *) xmalloc (malloc_size);
}
bp1 = bp;
if (indirect)
/* Copy the data from the environment variable. */
{
strcpy (bp, tcenv);
bp1 += strlen (tcenv);
}
while (term)
{
/* Scan the file, reading it via buf, till find start of main entry. */
if (scan_file (term, fd, &buf) == 0)
{
close (fd);
free (buf.beg);
if (malloc_size)
free (bp);
return 0;
}
/* Free old `term' if appropriate. */
if (term != name)
free (term);
/* If BP is malloc'd by us, make sure it is big enough. */
if (malloc_size)
{
malloc_size = bp1 - bp + buf.size;
termcap_name = (char *) xrealloc (bp, malloc_size);
bp1 += termcap_name - bp;
bp = termcap_name;
}
bp2 = bp1;
/* Copy the line of the entry from buf into bp. */
termcap_name = buf.ptr;
while ((*bp1++ = c = *termcap_name++) && c != '\n')
/* Drop out any \ newline sequence. */
if (c == '\\' && *termcap_name == '\n')
{
bp1--;
termcap_name++;
}
*bp1 = '\0';
/* Does this entry refer to another terminal type's entry?
If something is found, copy it into heap and null-terminate it. */
term = tgetst1 (find_capability (bp2, "tc"), (char **) 0);
}
close (fd);
free (buf.beg);
if (malloc_size)
bp = (char *) xrealloc (bp, bp1 - bp + 1);
ret:
term_entry = bp;
return 1;
}
/* Given file open on FD and buffer BUFP,
scan the file from the beginning until a line is found
that starts the entry for terminal type STR.
Return 1 if successful, with that line in BUFP,
or 0 if no entry is found in the file. */
static int
scan_file (str, fd, bufp)
char *str;
int fd;
register struct buffer *bufp;
{
register char *end;
bufp->ptr = bufp->beg;
bufp->full = 0;
bufp->ateof = 0;
*bufp->ptr = '\0';
lseek (fd, 0L, 0);
while (!bufp->ateof)
{
/* Read a line into the buffer. */
end = NULL;
do
{
/* if it is continued, append another line to it,
until a non-continued line ends. */
end = gobble_line (fd, bufp, end);
}
while (!bufp->ateof && end[-2] == '\\');
if (*bufp->ptr != '#'
&& name_match (bufp->ptr, str))
return 1;
/* Discard the line just processed. */
bufp->ptr = end;
}
return 0;
}
/* Return nonzero if NAME is one of the names specified
by termcap entry LINE. */
static int
name_match (line, name)
char *line, *name;
{
register char *tem;
if (!compare_contin (line, name))
return 1;
/* This line starts an entry. Is it the right one? */
for (tem = line; *tem && *tem != '\n' && *tem != ':'; tem++)
if (*tem == '|' && !compare_contin (tem + 1, name))
return 1;
return 0;
}
static int
compare_contin (str1, str2)
register char *str1, *str2;
{
register int c1, c2;
while (1)
{
c1 = *str1++;
c2 = *str2++;
while (c1 == '\\' && *str1 == '\n')
{
str1++;
while ((c1 = *str1++) == ' ' || c1 == '\t');
}
if (c2 == '\0')
{
/* End of type being looked up. */
if (c1 == '|' || c1 == ':')
/* If end of name in data base, we win. */
return 0;
else
return 1;
}
else if (c1 != c2)
return 1;
}
}
/* Make sure that the buffer <- BUFP contains a full line
of the file open on FD, starting at the place BUFP->ptr
points to. Can read more of the file, discard stuff before
BUFP->ptr, or make the buffer bigger.
Return the pointer to after the newline ending the line,
or to the end of the file, if there is no newline to end it.
Can also merge on continuation lines. If APPEND_END is
non-null, it points past the newline of a line that is
continued; we add another line onto it and regard the whole
thing as one line. The caller decides when a line is continued. */
static char *
gobble_line (fd, bufp, append_end)
int fd;
register struct buffer *bufp;
char *append_end;
{
register char *end;
register int nread;
register char *buf = bufp->beg;
register char *tem;
if (!append_end)
append_end = bufp->ptr;
while (1)
{
end = append_end;
while (*end && *end != '\n') end++;
if (*end)
break;
if (bufp->ateof)
return buf + bufp->full;
if (bufp->ptr == buf)
{
if (bufp->full == bufp->size)
{
bufp->size *= 2;
/* Add 1 to size to ensure room for terminating null. */
tem = (char *) xrealloc (buf, bufp->size + 1);
bufp->ptr = (bufp->ptr - buf) + tem;
append_end = (append_end - buf) + tem;
bufp->beg = buf = tem;
}
}
else
{
append_end -= bufp->ptr - buf;
bcopy (bufp->ptr, buf, bufp->full -= bufp->ptr - buf);
bufp->ptr = buf;
}
if (!(nread = read (fd, buf + bufp->full, bufp->size - bufp->full)))
bufp->ateof = 1;
bufp->full += nread;
buf[bufp->full] = '\0';
}
return end + 1;
}
#ifdef TEST
#ifdef NULL
#undef NULL
#endif
#include <stdio.h>
main (argc, argv)
int argc;
char **argv;
{
char *term;
char *buf;
term = argv[1];
printf ("TERM: %s\n", term);
buf = (char *) tgetent (0, term);
if ((int) buf <= 0)
{
printf ("No entry.\n");
return 0;
}
printf ("Entry: %s\n", buf);
tprint ("cm");
tprint ("AL");
printf ("co: %d\n", tgetnum ("co"));
printf ("am: %d\n", tgetflag ("am"));
}
tprint (cap)
char *cap;
{
char *x = tgetstr (cap, 0);
register char *y;
printf ("%s: ", cap);
if (x)
{
for (y = x; *y; y++)
if (*y <= ' ' || *y == 0177)
printf ("\\%0o", *y);
else
putchar (*y);
free (x);
}
else
printf ("none");
putchar ('\n');
}
#endif /* TEST */

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/* termcap.h - public declarations for termcap library. */
/* Copyright (C) 1991, 1992, 1995, 2001, 2005, 2006, 2008,2009 Free Software Foundation, Inc.
Bash is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Bash is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Bash. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TERMCAP_H
#define _TERMCAP_H 1
#if __STDC__
extern int tgetent (char *buffer, const char *termtype);
extern int tgetnum (const char *name);
extern int tgetflag (const char *name);
extern char *tgetstr (const char *name, char **area);
extern char PC;
extern short ospeed;
extern int tputs (const char *string, int nlines, int (*outfun) (int));
extern char *tparam (const char *ctlstring, char *buffer, int size, ...);
extern char *UP;
extern char *BC;
extern char *tgoto (const char *cstring, int hpos, int vpos);
#else /* not __STDC__ */
extern int tgetent ();
extern int tgetnum ();
extern int tgetflag ();
extern char *tgetstr ();
extern char PC;
extern short ospeed;
extern void tputs ();
extern char *tparam ();
extern char *UP;
extern char *BC;
extern char *tgoto ();
#endif /* not __STDC__ */
#endif /* not _TERMCAP_H */

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lib/termcap/tparam.c Normal file
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/* tparam.c - merge parameters into a termcap entry string. */
/* Copyright (C) 1985, 1986, 1993,1994, 1995, 1998, 2001,2003,2005,2006,2008,2009 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Bash is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Bash. If not, see <http://www.gnu.org/licenses/>.
*/
/* Emacs config.h may rename various library functions such as malloc. */
#ifdef HAVE_CONFIG_H
#include <config.h>
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#else
extern char *getenv ();
extern char *malloc ();
extern char *realloc ();
#endif
#if defined (HAVE_STRING_H)
#include <string.h>
#endif
#if !defined (HAVE_BCOPY) && (defined (HAVE_STRING_H) || defined (STDC_HEADERS))
# define bcopy(s, d, n) memcpy ((d), (s), (n))
#endif
#else /* not HAVE_CONFIG_H */
#if defined(HAVE_STRING_H) || defined(STDC_HEADERS)
#define bcopy(s, d, n) memcpy ((d), (s), (n))
#endif
#ifdef STDC_HEADERS
#include <stdlib.h>
#include <string.h>
#else
char *malloc ();
char *realloc ();
#endif
#endif /* not HAVE_CONFIG_H */
#include "ltcap.h"
#ifndef NULL
#define NULL (char *) 0
#endif
#ifndef emacs
static void
memory_out ()
{
write (2, "virtual memory exhausted\n", 25);
exit (1);
}
static char *
xmalloc (size)
unsigned size;
{
register char *tem = malloc (size);
if (!tem)
memory_out ();
return tem;
}
static char *
xrealloc (ptr, size)
char *ptr;
unsigned size;
{
register char *tem = realloc (ptr, size);
if (!tem)
memory_out ();
return tem;
}
#endif /* not emacs */
/* Assuming STRING is the value of a termcap string entry
containing `%' constructs to expand parameters,
merge in parameter values and store result in block OUTSTRING points to.
LEN is the length of OUTSTRING. If more space is needed,
a block is allocated with `malloc'.
The value returned is the address of the resulting string.
This may be OUTSTRING or may be the address of a block got with `malloc'.
In the latter case, the caller must free the block.
The fourth and following args to tparam serve as the parameter values. */
static char *tparam1 ();
/* VARARGS 2 */
char *
tparam (string, outstring, len, arg0, arg1, arg2, arg3)
char *string;
char *outstring;
int len;
int arg0, arg1, arg2, arg3;
{
int arg[4];
arg[0] = arg0;
arg[1] = arg1;
arg[2] = arg2;
arg[3] = arg3;
return tparam1 (string, outstring, len, NULL, NULL, arg);
}
__private_extern__ char *BC;
__private_extern__ char *UP;
static char tgoto_buf[50];
__private_extern__
char *
tgoto (cm, hpos, vpos)
char *cm;
int hpos, vpos;
{
int args[2];
if (!cm)
return NULL;
args[0] = vpos;
args[1] = hpos;
return tparam1 (cm, tgoto_buf, 50, UP, BC, args);
}
static char *
tparam1 (string, outstring, len, up, left, argp)
char *string;
char *outstring;
int len;
char *up, *left;
register int *argp;
{
register int c;
register char *p = string;
register char *op = outstring;
char *outend;
int outlen = 0;
register int tem;
int *old_argp = argp;
int doleft = 0;
int doup = 0;
outend = outstring + len;
while (1)
{
/* If the buffer might be too short, make it bigger. */
if (op + 5 >= outend)
{
register char *new;
if (outlen == 0)
{
outlen = len + 40;
new = (char *) xmalloc (outlen);
outend += 40;
bcopy (outstring, new, op - outstring);
}
else
{
outend += outlen;
outlen *= 2;
new = (char *) xrealloc (outstring, outlen);
}
op += new - outstring;
outend += new - outstring;
outstring = new;
}
c = *p++;
if (!c)
break;
if (c == '%')
{
c = *p++;
tem = *argp;
switch (c)
{
case 'd': /* %d means output in decimal. */
if (tem < 10)
goto onedigit;
if (tem < 100)
goto twodigit;
case '3': /* %3 means output in decimal, 3 digits. */
if (tem > 999)
{
*op++ = tem / 1000 + '0';
tem %= 1000;
}
*op++ = tem / 100 + '0';
case '2': /* %2 means output in decimal, 2 digits. */
twodigit:
tem %= 100;
*op++ = tem / 10 + '0';
onedigit:
*op++ = tem % 10 + '0';
argp++;
break;
case 'C':
/* For c-100: print quotient of value by 96, if nonzero,
then do like %+. */
if (tem >= 96)
{
*op++ = tem / 96;
tem %= 96;
}
case '+': /* %+x means add character code of char x. */
tem += *p++;
case '.': /* %. means output as character. */
if (left)
{
/* If want to forbid output of 0 and \n and \t,
and this is one of them, increment it. */
while (tem == 0 || tem == '\n' || tem == '\t')
{
tem++;
if (argp == old_argp)
doup++, outend -= strlen (up);
else
doleft++, outend -= strlen (left);
}
}
*op++ = tem ? tem : 0200;
case 'f': /* %f means discard next arg. */
argp++;
break;
case 'b': /* %b means back up one arg (and re-use it). */
argp--;
break;
case 'r': /* %r means interchange following two args. */
argp[0] = argp[1];
argp[1] = tem;
old_argp++;
break;
case '>': /* %>xy means if arg is > char code of x, */
if (argp[0] > *p++) /* then add char code of y to the arg, */
argp[0] += *p; /* and in any case don't output. */
p++; /* Leave the arg to be output later. */
break;
case 'a': /* %a means arithmetic. */
/* Next character says what operation.
Add or subtract either a constant or some other arg. */
/* First following character is + to add or - to subtract
or = to assign. */
/* Next following char is 'p' and an arg spec
(0100 plus position of that arg relative to this one)
or 'c' and a constant stored in a character. */
tem = p[2] & 0177;
if (p[1] == 'p')
tem = argp[tem - 0100];
if (p[0] == '-')
argp[0] -= tem;
else if (p[0] == '+')
argp[0] += tem;
else if (p[0] == '*')
argp[0] *= tem;
else if (p[0] == '/')
argp[0] /= tem;
else
argp[0] = tem;
p += 3;
break;
case 'i': /* %i means add one to arg, */
argp[0] ++; /* and leave it to be output later. */
argp[1] ++; /* Increment the following arg, too! */
break;
case '%': /* %% means output %; no arg. */
goto ordinary;
case 'n': /* %n means xor each of next two args with 140. */
argp[0] ^= 0140;
argp[1] ^= 0140;
break;
case 'm': /* %m means xor each of next two args with 177. */
argp[0] ^= 0177;
argp[1] ^= 0177;
break;
case 'B': /* %B means express arg as BCD char code. */
argp[0] += 6 * (tem / 10);
break;
case 'D': /* %D means weird Delta Data transformation. */
argp[0] -= 2 * (tem % 16);
break;
}
}
else
/* Ordinary character in the argument string. */
ordinary:
*op++ = c;
}
*op = 0;
while (doup-- > 0)
strcat (op, up);
while (doleft-- > 0)
strcat (op, left);
return outstring;
}
#ifdef DEBUG
main (argc, argv)
int argc;
char **argv;
{
char buf[50];
int args[3];
args[0] = atoi (argv[2]);
args[1] = atoi (argv[3]);
args[2] = atoi (argv[4]);
tparam1 (argv[1], buf, "LEFT", "UP", args);
printf ("%s\n", buf);
return 0;
}
#endif /* DEBUG */

22
lib/termcap/version.c Normal file
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/* version.c - termcap library version information. */
/* Copyright (C) 1985-2009 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Bash is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Bash. If not, see <http://www.gnu.org/licenses/>.
*/
/* Make the library identifiable with the RCS ident command. */
static char *termcap_version_string = "\n$Version: GNU termcap 1.3 $\n";