/****************************************************************************
- * Copyright (c) 1998-2017,2018 Free Software Foundation, Inc. *
+ * Copyright 2018-2020,2021 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 *
#include <sys/types.h>
#include <tic.h>
-MODULE_ID("$Id: read_termcap.c,v 1.96 2018/05/12 18:52:02 tom Exp $")
+MODULE_ID("$Id: read_termcap.c,v 1.102 2021/09/04 10:29:15 tom Exp $")
#if !PURE_TERMINFO
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.
*/
/*
* 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
#endif
#if USE_GETCAP
char *p, tc[TBUFSIZ];
+ char *tc_buf = 0;
#define MY_SIZE sizeof(tc) - 1
int status;
static char *source;
if (use_terminfo_vars() && (p = getenv("TERMCAP")) != 0
&& !_nc_is_abs_path(p) && _nc_name_match(p, tn, "|:")) {
/* TERMCAP holds a termcap entry */
- _nc_STRNCPY(tc, p, MY_SIZE);
- tc[MY_SIZE] = '\0';
+ tc_buf = strdup(p);
_nc_set_source("TERMCAP");
} else {
/* we're using getcap(3) */
_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:
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;
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;
}
}
}
}
-#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);
}
}
/*
* 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;
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]);
/*
_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