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make tgetstr() work with a NULL area.

This commit is contained in:
christos 2006-12-18 06:15:56 +00:00
parent 4361f207b8
commit 790ad13871
1 changed files with 15 additions and 7 deletions
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22
lib/libterm/termcap.c
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@ -1,4 +1,4 @@
/* $NetBSD: termcap.c,v 1.49 2006/03/18 12:18:15 blymn Exp $ */
/* $NetBSD: termcap.c,v 1.50 2006/12/18 06:15:56 christos Exp $ */
/*
* Copyright (c) 1980, 1993
@ -34,7 +34,7 @@
#if 0
static char sccsid[] = "@(#)termcap.c 8.1 (Berkeley) 6/4/93";
#else
__RCSID("$NetBSD: termcap.c,v 1.49 2006/03/18 12:18:15 blymn Exp $");
__RCSID("$NetBSD: termcap.c,v 1.50 2006/12/18 06:15:56 christos Exp $");
#endif
#endif /* not lint */
@ -421,7 +421,7 @@ t_getstr(struct tinfo *info, const char *id, char **area, size_t *limit)
char *
tgetstr(const char *id, char **area)
{
struct tinfo dummy;
struct tinfo dummy, *ti;
char ids[3];
_DIAGASSERT(id != NULL);
@ -439,11 +439,19 @@ tgetstr(const char *id, char **area)
ids[2] = '\0';
if ((id[0] == 'Z') && (id[1] == 'Z')) {
ti = &dummy;
dummy.info = tbuf;
return t_getstr(&dummy, ids, area, NULL);
}
else
return t_getstr(fbuf, ids, area, NULL);
} else
ti = fbuf;
if (area == NULL) {
static char capability[256], *ptr;
size_t limit = 255;
ptr = capability;
return t_getstr(ti, ids, &ptr, &limit);
} else
return t_getstr(ti, ids, area, NULL);
}
/*