[src/trunk]: src terminfo: v3 records should create v3 aliases

[roy <roy%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/49c0c2ac19fc
branches:  trunk
changeset: 746377:49c0c2ac19fc
user:      roy <roy%NetBSD.org@localhost>
date:      Mon Mar 30 00:09:06 2020 +0000

description:
terminfo: v3 records should create v3 aliases

diffstat:

 lib/libterminfo/compile.c |  28 ++++++++++++++++-
 usr.bin/tic/tic.c         |  71 ++++++++++++++++++++++++++++------------------
 2 files changed, 68 insertions(+), 31 deletions(-)

diffs (179 lines):

diff -r 809d761f47f9 -r 49c0c2ac19fc lib/libterminfo/compile.c
--- a/lib/libterminfo/compile.c Mon Mar 30 00:01:57 2020 +0000
+++ b/lib/libterminfo/compile.c Mon Mar 30 00:09:06 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: compile.c,v 1.22 2020/03/29 21:46:22 roy Exp $ */
+/* $NetBSD: compile.c,v 1.23 2020/03/30 00:09:06 roy Exp $ */
 
 /*
  * Copyright (c) 2009, 2010, 2011, 2020 The NetBSD Foundation, Inc.
@@ -32,7 +32,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: compile.c,v 1.22 2020/03/29 21:46:22 roy Exp $");
+__RCSID("$NetBSD: compile.c,v 1.23 2020/03/30 00:09:06 roy Exp $");
 
 #if !HAVE_NBTOOL_CONFIG_H || HAVE_SYS_ENDIAN_H
 #include <sys/endian.h>
@@ -67,7 +67,7 @@
 int
 _ti_promote(TIC *tic)
 {
-       char *obuf, type, flag;
+       char *obuf, type, flag, *buf, *delim, *name, *nbuf;
        const char *cap, *code, *str;
        size_t n, entries, strl;
        uint16_t ind;
@@ -84,6 +84,28 @@
        }
        free(obuf);
 
+       n = 0;
+       obuf = buf = tic->alias;
+       tic->alias = NULL;
+       while (buf != NULL) {
+               delim = strchr(buf, '|');
+               if (delim != NULL)
+                       *delim++ = '\0';
+               name = _ti_getname(tic->rtype, buf);
+               strl = strlen(name) + 1;
+               nbuf = realloc(tic->alias, n + strl);
+               if (nbuf == NULL) {
+                       free(name);
+                       return -1;
+               }
+               tic->alias = nbuf;
+               memcpy(tic->alias + n, name, strl);
+               n += strl;
+               free(name);
+               buf = delim;
+       }
+       free(obuf);
+
        obuf = tic->nums.buf;
        cap = obuf;
        entries = tic->nums.entries;
diff -r 809d761f47f9 -r 49c0c2ac19fc usr.bin/tic/tic.c
--- a/usr.bin/tic/tic.c Mon Mar 30 00:01:57 2020 +0000
+++ b/usr.bin/tic/tic.c Mon Mar 30 00:09:06 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: tic.c,v 1.39 2020/03/29 21:54:03 roy Exp $ */
+/* $NetBSD: tic.c,v 1.40 2020/03/30 00:09:06 roy Exp $ */
 
 /*
  * Copyright (c) 2009, 2010, 2020 The NetBSD Foundation, Inc.
@@ -32,7 +32,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: tic.c,v 1.39 2020/03/29 21:54:03 roy Exp $");
+__RCSID("$NetBSD: tic.c,v 1.40 2020/03/30 00:09:06 roy Exp $");
 
 #include <sys/types.h>
 #include <sys/queue.h>
@@ -179,10 +179,37 @@
        return term;
 }
 
+static void
+alias_terms(TERM *term)
+{
+       char *p, *e, *alias;
+
+       /* Create aliased terms */
+       if (term->tic->alias == NULL)
+               return;
+
+       alias = p = estrdup(term->tic->alias);
+       while (p != NULL && *p != '\0') {
+               e = strchr(p, '|');
+               if (e != NULL)
+                       *e++ = '\0';
+               /* No need to lengthcheck the alias because the main
+                * terminfo description already stores all the aliases
+                * in the same length field as the alias. */
+               if (find_term(p) != NULL) {
+                       dowarn("%s: has alias for already assigned"
+                           " term %s", term->tic->name, p);
+               } else {
+                       store_term(p, term);
+               }
+               p = e;
+       }
+       free(alias);
+}
+
 static int
 process_entry(TBUF *buf, int flags)
 {
-       char *p, *e, *alias;
        TERM *term;
        TIC *tic;
        TBUF sbuf = *buf;
@@ -208,27 +235,7 @@
        }
        term = store_term(tic->name, NULL);
        term->tic = tic;
-
-       /* Create aliased terms */
-       if (tic->alias != NULL) {
-               alias = p = estrdup(tic->alias);
-               while (p != NULL && *p != '\0') {
-                       e = strchr(p, '|');
-                       if (e != NULL)
-                               *e++ = '\0';
-                       /* No need to lengthcheck the alias because the main
-                        * terminfo description already stores all the aliases
-                        * in the same length field as the alias. */
-                       if (find_term(p) != NULL) {
-                               dowarn("%s: has alias for already assigned"
-                                   " term %s", tic->name, p);
-                       } else {
-                               store_term(p, term);
-                       }
-                       p = e;
-               }
-               free(alias);
-       }
+       alias_terms(term);
 
        if (tic->rtype == TERMINFO_RTYPE)
                return process_entry(&sbuf, flags | TIC_COMPAT_V1);
@@ -356,6 +363,11 @@
        tic->name = _ti_getname(TERMINFO_RTYPE, rtic->name);
        if (tic->name == NULL)
                goto err;
+       if (rtic->alias != NULL) {
+               tic->alias = strdup(rtic->alias);
+               if (tic->alias == NULL)
+                       goto err;
+       }
        if (rtic->desc != NULL) {
                tic->desc = strdup(rtic->desc);
                if (tic->desc == NULL)
@@ -375,10 +387,12 @@
                goto err;
 
        term = store_term(tic->name, NULL);
-       if (term != NULL) {
-               term->tic = tic;
-               return 0;
-       }
+       if (term == NULL)
+               goto err;
+
+       term->tic = tic;
+       alias_terms(term);
+       return 0;
 
 err:
        free(tic->flags.buf);
@@ -386,6 +400,7 @@
        free(tic->strs.buf);
        free(tic->extras.buf);
        free(tic->desc);
+       free(tic->alias);
        free(tic->name);
        free(tic);
        return -1;