Improve messages related to the roff(7) .so request.

In all these messages, show the filename argument that was passed
to the .so request.

In case of failure, show an additional message reporting the file
and the line number where the failing request was found.
The existing message reporting the reason for the failure -
for example, "Permission denied" - is left in place, unchanged.

Inspired by a question asked by Nick@ after he saw the
confusing old messages that used to be emitted in this area.

diff --git a/mandoc.h b/mandoc.h
index 3f4ea86a3f6ba40cb4cfb1712f6d73ff80fa7e0a..2b9e8f56883ba5a1ed23b763c36004b314558df0 100644 (file)
--- a/mandoc.h
+++ b/mandoc.h
@@ -1,4 +1,4 @@
-/*     $Id: mandoc.h,v 1.122 2014/06/20 23:02:31 schwarze Exp $ */
+/*     $Id: mandoc.h,v 1.123 2014/06/25 00:20:19 schwarze Exp $ */
 /*
  * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -162,7 +162,8 @@ enum        mandocerr {
        MANDOCERR_SYNTARGVCOUNT, /* argument count wrong, violates syntax */
        MANDOCERR_SYNTCHILD, /* child violates parent syntax */
        MANDOCERR_SYNTARGCOUNT, /* argument count wrong, violates syntax */
-       MANDOCERR_SOPATH, /* NOT IMPLEMENTED: .so with absolute path or ".." */
+       MANDOCERR_SO_PATH, /* NOT IMPLEMENTED: .so with absolute path or ".." */
+       MANDOCERR_SO_FAIL, /* .so request failed */
        MANDOCERR_NODOCPROLOG, /* no document prologue */
        MANDOCERR_MEM, /* static buffer exhausted */
 

diff --git a/read.c b/read.c
index 224460465b606d620cbcb626cfe817be6ab604e1..c4edcc3252930949f01813bd177e83a0b6b1ded0 100644 (file)
--- a/read.c
+++ b/read.c
@@ -1,4 +1,4 @@
-/*     $Id: read.c,v 1.51 2014/06/21 22:24:01 schwarze Exp $ */
+/*     $Id: read.c,v 1.52 2014/06/25 00:20:19 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -206,6 +206,7 @@ static      const char * const      mandocerrs[MANDOCERR_MAX] = {
        "child violates parent syntax",
        "argument count wrong, violates syntax",
        "NOT IMPLEMENTED: .so with absolute path or \"..\"",
+       ".so request failed",
        "no document prologue",
        "static buffer exhausted",
 
@@ -506,8 +507,12 @@ rerun:
                        if (curp->secondary)
                                curp->secondary->sz -= pos + 1;
                        mparse_readfd(curp, -1, ln.buf + of);
-                       if (MANDOCLEVEL_FATAL <= curp->file_status)
+                       if (MANDOCLEVEL_FATAL <= curp->file_status) {
+                               mandoc_vmsg(MANDOCERR_SO_FAIL,
+                                   curp, curp->line, pos,
+                                   ".so %s", ln.buf + of);
                                break;
+                       }
                        pos = 0;
                        continue;
                default:

diff --git a/roff.c b/roff.c
index 07480a12c44bc5cafc5f56b828553b35f72928e9..46ed2d7c9bd895c862eb06c5e5447e487c22d1e5 100644 (file)
--- a/roff.c
+++ b/roff.c
@@ -1,4 +1,4 @@
-/*     $Id: roff.c,v 1.209 2014/04/23 16:08:33 schwarze Exp $ */
+/*     $Id: roff.c,v 1.210 2014/06/25 00:20:19 schwarze Exp $ */
 /*
  * Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -1938,7 +1938,8 @@ roff_so(ROFF_ARGS)
 {
        char *name;
 
-       mandoc_msg(MANDOCERR_SO, r->parse, ln, ppos, NULL);
+       name = *bufp + pos;
+       mandoc_vmsg(MANDOCERR_SO, r->parse, ln, ppos, ".so %s", name);
 
        /*
         * Handle `so'.  Be EXTREMELY careful, as we shouldn't be
@@ -1947,9 +1948,9 @@ roff_so(ROFF_ARGS)
         * or using absolute paths.
         */
 
-       name = *bufp + pos;
        if ('/' == *name || strstr(name, "../") || strstr(name, "/..")) {
-               mandoc_msg(MANDOCERR_SOPATH, r->parse, ln, pos, NULL);
+               mandoc_vmsg(MANDOCERR_SO_PATH, r->parse, ln, ppos,
+                   ".so %s", name);
                return(ROFF_ERR);
        }