/*
* Initialize from environment variables.
*/
void
init_line(void)
{
end_ansi_chars = lgetenv("LESSANSIENDCHARS");
if (end_ansi_chars == NULL || *end_ansi_chars == '\0')
end_ansi_chars = "m";
mid_ansi_chars = lgetenv("LESSANSIMIDCHARS");
if (mid_ansi_chars == NULL || *mid_ansi_chars == '\0')
mid_ansi_chars = "0123456789;[?!\"'#%()*+ ";
linebuf = ecalloc(LINEBUF_SIZE, sizeof (char));
attr = ecalloc(LINEBUF_SIZE, sizeof (char));
size_linebuf = LINEBUF_SIZE;
}
/*
* Define the printing format for control (or binary utf) chars.
*/
static void
setbinfmt(char *e, const char **fmtvarptr, const char *default_fmt)
{
const char *s;
if (((s = lgetenv(e)) == NULL) || (*s == 0)) {
s = default_fmt;
goto attr;
}
if (s != NULL && *s != 0) {
if (checkfmt(s) < 0) {
s = default_fmt;
goto attr;
}
}
/*
* Select the attributes if it starts with "*".
*/
attr:
if (*s == '*') {
switch (s[1]) {
case 'd': binattr = AT_BOLD; break;
case 'k': binattr = AT_BLINK; break;
case 's': binattr = AT_STANDOUT; break;
case 'u': binattr = AT_UNDERLINE; break;
default: binattr = AT_NORMAL; break;
}
s += 2;
}
*fmtvarptr = s;
}
