Move call to _nc_read_bsd_terminfo_entry() to _nc_read_entry() so reading

terminfo.db is transparent.  This requires us to be able to tell which
of the entries in pathvec held the terminfo entry.  To make that work
we only pass one pathname to cgetent(3) at a time.  This might be a
slight performance hit but should not be noticable in normal use.

3 files changed, 88 insertions, 65 deletions

diff --git a/lib/libcurses/tinfo/lib_setup.c b/lib/libcurses/tinfo/lib_setup.c
index 289309d4f65..7ff479cca77 100644
--- a/lib/libcurses/tinfo/lib_setup.c
+++ b/lib/libcurses/tinfo/lib_setup.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lib_setup.c,v 1.1 1999/01/18 19:10:19 millert Exp $	*/
+/*	$OpenBSD: lib_setup.c,v 1.2 1999/01/22 04:50:43 millert Exp $	*/
 
 /****************************************************************************
  * Copyright (c) 1998 Free Software Foundation, Inc.                        *
@@ -240,14 +240,9 @@ static int grab_entry(const char *const tn, TERMTYPE *const tp)
 /* return 1 if entry found, 0 if not found, -1 if database not accessible */
 {
 	char	filename[PATH_MAX];
-	int	status = 0;
-	int	_nc_read_bsd_terminfo_entry(const char *, TERMTYPE *); /* XXX */
+	int	status;
 
-#ifdef __OpenBSD__
-	status = _nc_read_bsd_terminfo_entry(tn, tp);
-#endif /* __OpenBSD__ */
-
-	if (status != 1 && (status = _nc_read_entry(tn, filename, tp)) != 1) {
+	if ((status = _nc_read_entry(tn, filename, tp)) != 1) {
 
 #ifndef PURE_TERMINFO
 		/*
diff --git a/lib/libcurses/tinfo/read_bsd_terminfo.c b/lib/libcurses/tinfo/read_bsd_terminfo.c
index 4e6c6fb1425..d59271078b6 100644
--- a/lib/libcurses/tinfo/read_bsd_terminfo.c
+++ b/lib/libcurses/tinfo/read_bsd_terminfo.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: read_bsd_terminfo.c,v 1.1 1999/01/18 19:10:22 millert Exp $	*/
+/*	$OpenBSD: read_bsd_terminfo.c,v 1.2 1999/01/22 04:50:43 millert Exp $	*/
 
 /*
  * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
@@ -32,7 +32,7 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$OpenBSD: read_bsd_terminfo.c,v 1.1 1999/01/18 19:10:22 millert Exp $";
+static char rcsid[] = "$OpenBSD: read_bsd_terminfo.c,v 1.2 1999/01/22 04:50:43 millert Exp $";
 #endif
 
 #include <curses.priv.h>
@@ -40,7 +40,7 @@ static char rcsid[] = "$OpenBSD: read_bsd_terminfo.c,v 1.1 1999/01/18 19:10:22 m
 #include <term.h>	/* lines, columns, cur_term */
 #include <term_entry.h>
 
-#define PVECSIZ 32
+#define PVECSIZ 3 * 2
 #define	_PATH_TERMINFO	"/usr/share/misc/terminfo"
 
 /*
@@ -49,92 +49,113 @@ static char rcsid[] = "$OpenBSD: read_bsd_terminfo.c,v 1.1 1999/01/18 19:10:22 m
  * Returns 1 on success, 0 on failure.
  */
 int
-_nc_read_bsd_terminfo_entry(tn, tp)
-     const char *tn;
-     TERMTYPE *const tp;
+_nc_read_bsd_terminfo_entry(tn, filename, tp)
+    const char *const tn;
+    char *const filename;
+    TERMTYPE *const tp;
 {
     char  *p;
-    char  *dummy;
+    char  *capbuf;
     char **fname;
-    int    i;
+    int    i, pathcnt;
     char   envterm[PATH_MAX];		/* local copy of $TERMINFO */
     char   hometerm[PATH_MAX];		/* local copy of $HOME/.terminfo */
-    char  *pathvec[PVECSIZ];		/* to point to names in pathbuf */
+    char  *pathvec[PVECSIZ];		/* list of possible terminfo files */
     char   namecpy[MAX_NAME_SIZE+1];
     long   num;
     size_t len;
 
     fname = pathvec;
+    pathcnt = 1;
     /* $TERMINFO may hold a path to a terminfo file */
     if (!issetugid() && (p = getenv("TERMINFO")) != NULL) {
 	len = strlcpy(envterm, p, sizeof(envterm));
 	if (len < sizeof(envterm))
+	    pathcnt++;
 	    *fname++ = envterm;
+	    *fname++ = NULL;
     }
 
     /* Also check $HOME/.terminfo if it exists */
     if (!issetugid() && (p = getenv("HOME")) != NULL) {
 	len = snprintf(hometerm, sizeof(hometerm), "%s/.terminfo", p);
 	if (len < sizeof(hometerm))
+	    pathcnt++;
 	    *fname++ = hometerm;
+	    *fname++ = NULL;
     }
 
-    /* Finally we check the system terminfo file and mark the end of vector */
+    /* Finally we check the system terminfo file */
     *fname++ = _PATH_TERMINFO;
-    *fname = (char *) 0;
+    *fname = NULL;
 
+    /* Don't prepent any hardcoded entries. */
     (void) cgetset(NULL);
-    dummy = NULL;
-    i = cgetent(&dummy, pathvec, (char *)tn);      
-	
-    if (i == 0) {
-	_nc_init_entry(tp);
 
-	/* Set terminal name(s) */
-	if ((p = strchr(dummy, ':')) != NULL)
-	    *p = '\0';
-	if ((tp->str_table = tp->term_names = strdup(dummy)) == NULL)
-	    return (0);
-	_nc_set_type(_nc_first_name(tp->term_names));
-	if (p)
-	    *p = ':';
+    /*
+     * We can't pass a normal vector in to cgetent(3) because
+     * we need to know which of the paths in pathvec we actually
+     * used (for the filename copyout parameter).
+     * Therefore, we kludge things a bit...
+     */
+    for (fname = pathvec, i = 1; fname != pathvec + pathcnt * 2 && i != 0; ) {
+	capbuf = NULL;
+	i = cgetent(&capbuf, fname, (char *)tn);      
+	    
+	if (i == 0) {
+	    /* Set copyout parameter and init term description */
+	    (void)strlcpy(filename, *fname, PATH_MAX);
+	    _nc_init_entry(tp);
 
-	/* Truncate overly-long names and aliases */
-	(void)strlcpy(namecpy, tp->term_names, sizeof(namecpy));
-	if ((p = strrchr(namecpy, '|')) != (char *)NULL)
-	    *p = '\0';
-	p = strtok(namecpy, "|");
-	if (strlen(p) > MAX_ALIAS)
-	    _nc_warning("primary name may be too long");
-	while ((p = strtok((char *)NULL, "|")) != (char *)NULL)
+	    /* Set terminal name(s) */
+	    if ((p = strchr(capbuf, ':')) != NULL)
+		*p = '\0';
+	    if ((tp->str_table = tp->term_names = strdup(capbuf)) == NULL)
+		return (0);
+	    _nc_set_type(_nc_first_name(tp->term_names));
+	    if (p)
+		*p = ':';
+
+	    /* Truncate overly-long names and aliases */
+	    (void)strlcpy(namecpy, tp->term_names, sizeof(namecpy));
+	    if ((p = strrchr(namecpy, '|')) != (char *)NULL)
+		*p = '\0';
+	    p = strtok(namecpy, "|");
 	    if (strlen(p) > MAX_ALIAS)
-		_nc_warning("alias `%s' may be too long", p);
+		_nc_warning("primary name may be too long");
+	    while ((p = strtok((char *)NULL, "|")) != (char *)NULL)
+		if (strlen(p) > MAX_ALIAS)
+		    _nc_warning("alias `%s' may be too long", p);
 
-	/* Copy capabilities */
-	for (i = 0 ; i < BOOLCOUNT ; i++) {
-	    if (cgetcap(dummy, (char *)boolnames[i], ':') == NULL)
-		tp->Booleans[i] = FALSE;
-	    else
-		tp->Booleans[i] = TRUE;
-	}
-	for (i = 0 ; i < NUMCOUNT ; i++) {
-	    if (cgetnum(dummy, (char *)numnames[i], &num) < 0)
-		tp->Numbers[i] = 0;
-	    else
-		tp->Numbers[i] = (int)num;
-	}
-	for (i = 0 ; i < STRCOUNT ; i++) {
-	    if (cgetstr(dummy, (char *)strnames[i], &p) < 0)
-		tp->Strings[i] = NULL;
-	    else
-		tp->Strings[i] = p;
+	    /* Copy capabilities */
+	    for (i = 0 ; i < BOOLCOUNT ; i++) {
+		if (cgetcap(capbuf, (char *)boolnames[i], ':') == NULL)
+		    tp->Booleans[i] = FALSE;
+		else
+		    tp->Booleans[i] = TRUE;
+	    }
+	    for (i = 0 ; i < NUMCOUNT ; i++) {
+		if (cgetnum(capbuf, (char *)numnames[i], &num) < 0)
+		    tp->Numbers[i] = 0;
+		else
+		    tp->Numbers[i] = (int)num;
+	    }
+	    for (i = 0 ; i < STRCOUNT ; i++) {
+		if (cgetstr(capbuf, (char *)strnames[i], &p) < 0)
+		    tp->Strings[i] = NULL;
+		else
+		    tp->Strings[i] = p;
+	    }
+	    i = 0;
 	}
-	i = 0;
-    }
+	/* Increment by two since we have that NULL in there */
+	fname += 2;
 
-    /* We are done with the returned getcap buffer now; free it */
-    if (dummy)
-	free(dummy);
+	/* We are done with the returned getcap buffer now; free it */
+	cgetclose();
+	if (capbuf)
+	    free(capbuf);
+    }
 
     return ((i == 0));
 }
diff --git a/lib/libcurses/tinfo/read_entry.c b/lib/libcurses/tinfo/read_entry.c
index 9ebf0779912..01503550ff9 100644
--- a/lib/libcurses/tinfo/read_entry.c
+++ b/lib/libcurses/tinfo/read_entry.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: read_entry.c,v 1.1 1999/01/18 19:10:22 millert Exp $	*/
+/*	$OpenBSD: read_entry.c,v 1.2 1999/01/22 04:50:43 millert Exp $	*/
 
 /****************************************************************************
  * Copyright (c) 1998 Free Software Foundation, Inc.                        *
@@ -48,6 +48,7 @@
 
 #include <term.h>
 #include <tic.h>
+#include <term_entry.h>
 
 MODULE_ID("$From: read_entry.c,v 1.47 1998/12/20 02:51:50 tom Exp $")
 
@@ -325,6 +326,12 @@ int _nc_read_entry(const char *const tn, char *const filename, TERMTYPE *const t
 char		*envp;
 char		ttn[MAX_ALIAS + 3];
 
+#ifdef __OpenBSD__
+	/* First check the BSD terminfo.db file */
+	if (_nc_read_bsd_terminfo_entry(tn, filename, tp) == 1)
+		return 1;
+#endif /* __OpenBSD__ */
+
 	/* truncate the terminal name to prevent dangerous buffer airline */
 	(void) sprintf(ttn, "%c/%.*s", *tn, MAX_ALIAS, tn);