libncurses: Import https://ftp.gnu.org/pub/gnu/ncurses/ncurses-6.5.tar.gz changes
Change-Id: I3433d30ca01359fd2e3623ede96b531f0b39cbfa
Signed-off-by: micky387 <mickaelsaibi@free.fr>
diff --git a/ncurses/tinfo/read_termcap.c b/ncurses/tinfo/read_termcap.c
index 6bfb23c..1a29484 100644
--- a/ncurses/tinfo/read_termcap.c
+++ b/ncurses/tinfo/read_termcap.c
@@ -1,5 +1,6 @@
/****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc. *
+ * Copyright 2018-2021,2023 Thomas E. Dickey *
+ * Copyright 1998-2016,2017 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
@@ -56,7 +57,7 @@
#include <sys/types.h>
#include <tic.h>
-MODULE_ID("$Id: read_termcap.c,v 1.89 2013/12/15 00:32:43 tom Exp $")
+MODULE_ID("$Id: read_termcap.c,v 1.104 2023/06/24 21:53:16 tom Exp $")
#if !PURE_TERMINFO
@@ -66,10 +67,10 @@
#define TC_REF_LOOP -3
#define TC_UNRESOLVED -4 /* this is not returned by BSD cgetent */
-static NCURSES_CONST char *
+static const char *
get_termpath(void)
{
- NCURSES_CONST char *result;
+ const char *result;
if (!use_terminfo_vars() || (result = getenv("TERMPATH")) == 0)
result = TERMPATH;
@@ -186,7 +187,7 @@
bp = buf;
for (;;) {
/*
- * Skip past the current capability field - it's either the
+ * Skip past the current capability field - it is either the
* name field if this is the first time through the loop, or
* the remainder of a field whose name failed to match cap.
*/
@@ -323,7 +324,7 @@
if (fd >= 0) {
(void) lseek(fd, (off_t) 0, SEEK_SET);
} else if ((_nc_access(db_array[current], R_OK) < 0)
- || (fd = open(db_array[current], O_RDONLY, 0)) < 0) {
+ || (fd = safe_open2(db_array[current], O_RDONLY)) < 0) {
/* No error on unfound file. */
if (errno == ENOENT)
continue;
@@ -364,7 +365,7 @@
if (bp >= b_end) {
int n;
- n = read(fd, buf, sizeof(buf));
+ n = (int) read(fd, buf, sizeof(buf));
if (n <= 0) {
if (myfd)
(void) close(fd);
@@ -393,7 +394,7 @@
|| *(rp - 1) != '\\')
break;
}
- *rp++ = c;
+ *rp++ = (char) c;
/*
* Enforce loop invariant: if no room
@@ -404,8 +405,8 @@
unsigned pos;
size_t newsize;
- pos = rp - record;
- newsize = r_end - record + BFRAG;
+ pos = (unsigned) (rp - record);
+ newsize = (size_t) (r_end - record + BFRAG);
record = DOALLOC(newsize);
if (record == 0) {
if (myfd)
@@ -492,14 +493,14 @@
}
}
tcstart = tc - 3;
- tclen = s - tcstart;
+ tclen = (int) (s - tcstart);
tcend = s;
icap = 0;
iret = _nc_getent(&icap, &ilen, &oline, current, db_array, fd,
tc, depth + 1, 0);
newicap = icap; /* Put into a register. */
- newilen = ilen;
+ newilen = (int) ilen;
if (iret != TC_SUCCESS) {
/* an error */
if (iret < TC_NOT_FOUND) {
@@ -523,7 +524,7 @@
/* not interested in name field of tc'ed record */
s = newicap;
while (*s != '\0' && *s++ != ':') ;
- newilen -= s - newicap;
+ newilen -= (int) (s - newicap);
newicap = s;
/* make sure interpolated record is `:'-terminated */
@@ -542,10 +543,10 @@
unsigned pos, tcpos, tcposend;
size_t newsize;
- pos = rp - record;
- newsize = r_end - record + diff + BFRAG;
- tcpos = tcstart - record;
- tcposend = tcend - record;
+ pos = (unsigned) (rp - record);
+ newsize = (size_t) (r_end - record + diff + BFRAG);
+ tcpos = (unsigned) (tcstart - record);
+ tcposend = (unsigned) (tcend - record);
record = DOALLOC(newsize);
if (record == 0) {
if (myfd)
@@ -583,7 +584,7 @@
*/
if (myfd)
(void) close(fd);
- *len = rp - record - 1; /* don't count NUL */
+ *len = (unsigned) (rp - record - 1); /* don't count NUL */
if (r_end > rp) {
if ((record = DOALLOC((size_t) (rp - record))) == 0) {
errno = ENOMEM;
@@ -791,7 +792,7 @@
int i;
char pathbuf[PBUFSIZ]; /* holds raw path of filenames */
CGETENT_CONST char *pathvec[PVECSIZ]; /* point to names in pathbuf */
- NCURSES_CONST char *termpath;
+ const char *termpath;
string_desc desc;
*lineno = 1;
@@ -802,7 +803,7 @@
/*
* TERMCAP can have one of two things in it. It can be the name of a file
* to use instead of /etc/termcap. In this case it better start with a
- * "/". Or it can be an entry to use so we don't have to read the file.
+ * "/". Or it can be an entry to use so we don't have to read the file.
* In this case it has to already have the newlines crunched out. If
* TERMCAP does not hold a file name then a path of names is searched
* instead. The path is found in the TERMPATH variable, or becomes
@@ -956,7 +957,7 @@
#endif /* !USE_GETCAP */
NCURSES_EXPORT(int)
-_nc_read_termcap_entry(const char *const tn, TERMTYPE *const tp)
+_nc_read_termcap_entry(const char *const tn, TERMTYPE2 *const tp)
{
int found = TGETENT_NO;
ENTRY *ep;
@@ -965,6 +966,8 @@
#endif
#if USE_GETCAP
char *p, tc[TBUFSIZ];
+ char *tc_buf = 0;
+#define MY_SIZE sizeof(tc) - 1
int status;
static char *source;
static int lineno;
@@ -982,8 +985,7 @@
if (use_terminfo_vars() && (p = getenv("TERMCAP")) != 0
&& !_nc_is_abs_path(p) && _nc_name_match(p, tn, "|:")) {
/* TERMCAP holds a termcap entry */
- strncpy(tc, p, sizeof(tc) - 1);
- tc[sizeof(tc) - 1] = '\0';
+ tc_buf = strdup(p);
_nc_set_source("TERMCAP");
} else {
/* we're using getcap(3) */
@@ -992,8 +994,13 @@
_nc_curr_line = lineno;
_nc_set_source(source);
+ tc_buf = tc;
}
- _nc_read_entry_source((FILE *) 0, tc, FALSE, TRUE, NULLHOOK);
+ if (tc_buf == 0)
+ return (TGETENT_ERR);
+ _nc_read_entry_source((FILE *) 0, tc_buf, FALSE, TRUE, NULLHOOK);
+ if (tc_buf != tc)
+ free(tc_buf);
#else
/*
* Here is what the 4.4BSD termcap(3) page prescribes:
@@ -1027,7 +1034,7 @@
int j, k;
bool use_buffer = FALSE;
bool normal = TRUE;
- char tc_buf[1024];
+ char *tc_buf = 0;
char pathbuf[PATH_MAX];
char *copied = 0;
char *cp;
@@ -1039,10 +1046,8 @@
ADD_TC(tc, 0);
normal = FALSE;
} else if (_nc_name_match(tc, tn, "|:")) { /* treat as a capability file */
- use_buffer = TRUE;
- _nc_SPRINTF(tc_buf,
- _nc_SLIMIT(sizeof(tc_buf))
- "%.*s\n", (int) sizeof(tc_buf) - 2, tc);
+ tc_buf = strdup(tc);
+ use_buffer = (tc_buf != 0);
normal = FALSE;
}
}
@@ -1050,23 +1055,25 @@
if (normal) { /* normal case */
char envhome[PATH_MAX], *h;
- copied = strdup(get_termpath());
- for (cp = copied; *cp; cp++) {
- if (*cp == NCURSES_PATHSEP)
- *cp = '\0';
- else if (cp == copied || cp[-1] == '\0') {
- ADD_TC(cp, filecount);
+ if ((copied = strdup(get_termpath())) != 0) {
+ for (cp = copied; *cp; cp++) {
+ if (*cp == NCURSES_PATHSEP)
+ *cp = '\0';
+ else if (cp == copied || cp[-1] == '\0') {
+ ADD_TC(cp, filecount);
+ }
}
}
-
-#define PRIVATE_CAP "%s/.termcap"
+#define PRIVATE_CAP "%.*s/.termcap"
if (use_terminfo_vars() && (h = getenv("HOME")) != NULL && *h != '\0'
&& (strlen(h) + sizeof(PRIVATE_CAP)) < PATH_MAX) {
/* user's .termcap, if any, should override it */
_nc_STRCPY(envhome, h, sizeof(envhome));
_nc_SPRINTF(pathbuf, _nc_SLIMIT(sizeof(pathbuf))
- PRIVATE_CAP, envhome);
+ PRIVATE_CAP,
+ (int) (sizeof(pathbuf) - sizeof(PRIVATE_CAP)),
+ envhome);
ADD_TC(pathbuf, filecount);
}
}
@@ -1108,9 +1115,10 @@
/*
* We don't suppress warning messages here. The presumption is
- * that since it's just a single entry, they won't be a pain.
+ * that since it is just a single entry, they won't be a pain.
*/
_nc_read_entry_source((FILE *) 0, tc_buf, FALSE, FALSE, NULLHOOK);
+ free(tc_buf);
} else {
int i;
@@ -1118,7 +1126,7 @@
TR(TRACE_DATABASE, ("Looking for %s in %s", tn, termpaths[i]));
if (_nc_access(termpaths[i], R_OK) == 0
- && (fp = fopen(termpaths[i], "r")) != (FILE *) 0) {
+ && (fp = safe_fopen(termpaths[i], "r")) != (FILE *) 0) {
_nc_set_source(termpaths[i]);
/*
@@ -1140,7 +1148,8 @@
return (TGETENT_ERR);
/* resolve all use references */
- _nc_resolve_uses2(TRUE, FALSE);
+ if (_nc_resolve_uses2(TRUE, FALSE) != TRUE)
+ return (TGETENT_ERR);
/* find a terminal matching tn, if we can */
#if USE_GETCAP_CACHE
@@ -1157,7 +1166,7 @@
_nc_free_entry(_nc_head, &(ep->tterm));
/*
- * OK, now try to write the type to user's terminfo directory.
+ * OK, now try to write the type to user's terminfo directory.
* Next time he loads this, it will come through terminfo.
*
* Advantage: Second and subsequent fetches of this entry will