Split mlinks_undupe() out of mpages_merge()

[mandoc.git] / mandoc.c

diff --git a/mandoc.c b/mandoc.c
index 2936ef936093fa2dff1d5dafd254db7c2d4aea31..58e3aca34ba9e5977c389a9470b34486c658919e 100644 (file)
--- a/mandoc.c
+++ b/mandoc.c
@@ -1,4 +1,4 @@
-/*     $Id: mandoc.c,v 1.70 2013/11/10 21:34:04 schwarze Exp $ */
+/*     $Id: mandoc.c,v 1.73 2013/12/26 02:55:28 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2011, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
@@ -101,6 +101,14 @@ mandoc_escape(const char const **end, const char const **start, int *sz)
                term = '\'';
                break;
 
+       /*
+        * Escapes taking no arguments at all.
+        */
+       case ('d'):
+               /* FALLTHROUGH */
+       case ('u'):
+               return(ESCAPE_IGNORE);
+
        /*
         * The \z escape is supposed to output the following
         * character without advancing the cursor position.  
@@ -157,12 +165,16 @@ mandoc_escape(const char const **end, const char const **start, int *sz)
                /* FALLTHROUGH */
        case ('b'):
                /* FALLTHROUGH */
+       case ('B'):
+               /* FALLTHROUGH */
        case ('D'):
                /* FALLTHROUGH */
        case ('o'):
                /* FALLTHROUGH */
        case ('R'):
                /* FALLTHROUGH */
+       case ('w'):
+               /* FALLTHROUGH */
        case ('X'):
                /* FALLTHROUGH */
        case ('Z'):
@@ -177,8 +189,6 @@ mandoc_escape(const char const **end, const char const **start, int *sz)
         * These escapes are of the form \X'N', where 'X' is the trigger
         * and 'N' resolves to a numerical expression.
         */
-       case ('B'):
-               /* FALLTHROUGH */
        case ('h'):
                /* FALLTHROUGH */
        case ('H'):
@@ -186,19 +196,15 @@ mandoc_escape(const char const **end, const char const **start, int *sz)
        case ('L'):
                /* FALLTHROUGH */
        case ('l'):
-               gly = ESCAPE_NUMBERED;
                /* FALLTHROUGH */
        case ('S'):
                /* FALLTHROUGH */
        case ('v'):
                /* FALLTHROUGH */
-       case ('w'):
-               /* FALLTHROUGH */
        case ('x'):
                if ('\'' != **start)
                        return(ESCAPE_ERROR);
-               if (ESCAPE_ERROR == gly)
-                       gly = ESCAPE_IGNORE;
+               gly = ESCAPE_IGNORE;
                *start = ++*end;
                term = '\'';
                break;
@@ -419,10 +425,10 @@ mandoc_strdup(const char *ptr)
  * Parse a quoted or unquoted roff-style request or macro argument.
  * Return a pointer to the parsed argument, which is either the original
  * pointer or advanced by one byte in case the argument is quoted.
- * Null-terminate the argument in place.
+ * NUL-terminate the argument in place.
  * Collapse pairs of quotes inside quoted arguments.
  * Advance the argument pointer to the next argument,
- * or to the null byte terminating the argument line.
+ * or to the NUL byte terminating the argument line.
  */
 char *
 mandoc_getarg(struct mparse *parse, char **cpp, int ln, int *pos)
@@ -493,7 +499,7 @@ mandoc_getarg(struct mparse *parse, char **cpp, int ln, int *pos)
        if (1 == quoted)
                mandoc_msg(MANDOCERR_BADQUOTE, parse, ln, *pos, NULL);
 
-       /* Null-terminate this argument and move to the next one. */
+       /* NUL-terminate this argument and move to the next one. */
        if (pairs)
                cp[-pairs] = '\0';
        if ('\0' != *cp) {