preconv_encode() can take a const input buffer;

[mandoc.git] / man_term.c

diff --git a/man_term.c b/man_term.c
index d3fdafef46f0b713ddb8f5a69bf1ccd4dfae9c95..b2732d45589137a6d10468ce8fdc0ff327cb7476 100644 (file)
--- a/man_term.c
+++ b/man_term.c
@@ -1,7 +1,7 @@
-/*     $Id: man_term.c,v 1.184 2015/09/21 13:25:00 schwarze Exp $ */
+/*     $Id: man_term.c,v 1.191 2017/02/15 14:10:08 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010-2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -143,6 +143,7 @@ terminal_man(void *arg, const struct roff_man *man)
        struct termp            *p;
        struct roff_node        *n;
        struct mtermp            mt;
+       size_t                   save_defindent;
 
        p = (struct termp *)arg;
        p->overstep = 0;
@@ -170,6 +171,7 @@ terminal_man(void *arg, const struct roff_man *man)
                        n = n->next;
                }
        } else {
+               save_defindent = p->defindent;
                if (p->defindent == 0)
                        p->defindent = 7;
                term_begin(p, print_man_head, print_man_foot, &man->meta);
@@ -177,6 +179,7 @@ terminal_man(void *arg, const struct roff_man *man)
                if (n != NULL)
                        print_man_nodelist(p, &mt, n, &man->meta);
                term_end(p);
+               p->defindent = save_defindent;
        }
 }
 
@@ -212,15 +215,15 @@ static int
 pre_ign(DECL_ARGS)
 {
 
-       return(0);
+       return 0;
 }
 
 static int
 pre_ll(DECL_ARGS)
 {
 
-       term_setwidth(p, n->nchild ? n->child->string : NULL);
-       return(0);
+       term_setwidth(p, n->child != NULL ? n->child->string : NULL);
+       return 0;
 }
 
 static int
@@ -228,7 +231,7 @@ pre_I(DECL_ARGS)
 {
 
        term_fontrepl(p, TERMFONT_UNDER);
-       return(1);
+       return 1;
 }
 
 static int
@@ -255,7 +258,7 @@ pre_literal(DECL_ARGS)
                p->flags |= TERMP_NOSPACE;
        }
 
-       return(0);
+       return 0;
 }
 
 static int
@@ -266,12 +269,12 @@ pre_PD(DECL_ARGS)
        n = n->child;
        if (n == NULL) {
                mt->pardist = 1;
-               return(0);
+               return 0;
        }
        assert(n->type == ROFFT_TEXT);
        if (a2roffsu(n->string, &su, SCALE_VS))
                mt->pardist = term_vspan(p, &su);
-       return(0);
+       return 0;
 }
 
 static int
@@ -319,13 +322,13 @@ pre_alternate(DECL_ARGS)
                        mt->fl |= MANT_LITERAL;
                assert(nn->type == ROFFT_TEXT);
                term_word(p, nn->string);
-               if (nn->flags & MAN_EOS)
+               if (nn->flags & NODE_EOS)
                        p->flags |= TERMP_SENTENCE;
                if (nn->next)
                        p->flags |= TERMP_NOSPACE;
        }
 
-       return(0);
+       return 0;
 }
 
 static int
@@ -333,7 +336,7 @@ pre_B(DECL_ARGS)
 {
 
        term_fontrepl(p, TERMFONT_BOLD);
-       return(1);
+       return 1;
 }
 
 static int
@@ -355,7 +358,7 @@ pre_OP(DECL_ARGS)
        term_fontrepl(p, TERMFONT_NONE);
        p->flags |= TERMP_NOSPACE;
        term_word(p, "]");
-       return(0);
+       return 0;
 }
 
 static int
@@ -365,20 +368,17 @@ pre_ft(DECL_ARGS)
 
        if (NULL == n->child) {
                term_fontlast(p);
-               return(0);
+               return 0;
        }
 
        cp = n->child->string;
        switch (*cp) {
        case '4':
-               /* FALLTHROUGH */
        case '3':
-               /* FALLTHROUGH */
        case 'B':
                term_fontrepl(p, TERMFONT_BOLD);
                break;
        case '2':
-               /* FALLTHROUGH */
        case 'I':
                term_fontrepl(p, TERMFONT_UNDER);
                break;
@@ -386,16 +386,14 @@ pre_ft(DECL_ARGS)
                term_fontlast(p);
                break;
        case '1':
-               /* FALLTHROUGH */
        case 'C':
-               /* FALLTHROUGH */
        case 'R':
                term_fontrepl(p, TERMFONT_NONE);
                break;
        default:
                break;
        }
-       return(0);
+       return 0;
 }
 
 static int
@@ -410,7 +408,7 @@ pre_in(DECL_ARGS)
 
        if (NULL == n->child) {
                p->offset = mt->offset;
-               return(0);
+               return 0;
        }
 
        cp = n->child->string;
@@ -424,7 +422,7 @@ pre_in(DECL_ARGS)
                cp--;
 
        if ( ! a2roffsu(++cp, &su, SCALE_EN))
-               return(0);
+               return 0;
 
        v = (term_hspan(p, &su) + 11) / 24;
 
@@ -437,7 +435,7 @@ pre_in(DECL_ARGS)
        if (p->offset > SHRT_MAX)
                p->offset = term_len(p, p->defindent);
 
-       return(0);
+       return 0;
 }
 
 static int
@@ -449,16 +447,11 @@ pre_sp(DECL_ARGS)
        if ((NULL == n->prev && n->parent)) {
                switch (n->parent->tok) {
                case MAN_SH:
-                       /* FALLTHROUGH */
                case MAN_SS:
-                       /* FALLTHROUGH */
                case MAN_PP:
-                       /* FALLTHROUGH */
                case MAN_LP:
-                       /* FALLTHROUGH */
                case MAN_P:
-                       /* FALLTHROUGH */
-                       return(0);
+                       return 0;
                default:
                        break;
                }
@@ -493,7 +486,7 @@ pre_sp(DECL_ARGS)
                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
        }
 
-       return(0);
+       return 0;
 }
 
 static int
@@ -506,11 +499,11 @@ pre_HP(DECL_ARGS)
        switch (n->type) {
        case ROFFT_BLOCK:
                print_bvspace(p, n, mt->pardist);
-               return(1);
+               return 1;
        case ROFFT_BODY:
                break;
        default:
-               return(0);
+               return 0;
        }
 
        if ( ! (MANT_LITERAL & mt->fl)) {
@@ -533,7 +526,7 @@ pre_HP(DECL_ARGS)
 
        p->offset = mt->offset;
        p->rmargin = mt->offset + len;
-       return(1);
+       return 1;
 }
 
 static void
@@ -578,7 +571,7 @@ pre_PP(DECL_ARGS)
                break;
        }
 
-       return(n->type != ROFFT_HEAD);
+       return n->type != ROFFT_HEAD;
 }
 
 static int
@@ -600,7 +593,7 @@ pre_IP(DECL_ARGS)
                print_bvspace(p, n, mt->pardist);
                /* FALLTHROUGH */
        default:
-               return(1);
+               return 1;
        }
 
        /* Calculate the offset from the optional second argument. */
@@ -630,7 +623,7 @@ pre_IP(DECL_ARGS)
                if (savelit)
                        mt->fl |= MANT_LITERAL;
 
-               return(0);
+               return 0;
        case ROFFT_BODY:
                p->offset = mt->offset + len;
                p->rmargin = p->maxrmargin;
@@ -639,7 +632,7 @@ pre_IP(DECL_ARGS)
                break;
        }
 
-       return(1);
+       return 1;
 }
 
 static void
@@ -681,13 +674,13 @@ pre_TP(DECL_ARGS)
                print_bvspace(p, n, mt->pardist);
                /* FALLTHROUGH */
        default:
-               return(1);
+               return 1;
        }
 
        /* Calculate offset. */
 
        if ((nn = n->parent->head->child) != NULL &&
-           nn->string != NULL && ! (MAN_LINE & nn->flags) &&
+           nn->string != NULL && ! (NODE_LINE & nn->flags) &&
            a2roffsu(nn->string, &su, SCALE_EN)) {
                len = term_hspan(p, &su) / 24;
                if (len < 0 && (size_t)(-len) > mt->offset)
@@ -708,7 +701,7 @@ pre_TP(DECL_ARGS)
 
                /* Don't print same-line elements. */
                nn = n->child;
-               while (NULL != nn && 0 == (MAN_LINE & nn->flags))
+               while (NULL != nn && 0 == (NODE_LINE & nn->flags))
                        nn = nn->next;
 
                while (NULL != nn) {
@@ -718,7 +711,7 @@ pre_TP(DECL_ARGS)
 
                if (savelit)
                        mt->fl |= MANT_LITERAL;
-               return(0);
+               return 0;
        case ROFFT_BODY:
                p->offset = mt->offset + len;
                p->rmargin = p->maxrmargin;
@@ -729,7 +722,7 @@ pre_TP(DECL_ARGS)
                break;
        }
 
-       return(1);
+       return 1;
 }
 
 static void
@@ -792,7 +785,7 @@ pre_SS(DECL_ARGS)
                break;
        }
 
-       return(1);
+       return 1;
 }
 
 static void
@@ -829,7 +822,8 @@ pre_SH(DECL_ARGS)
 
                do {
                        n = n->prev;
-               } while (n != NULL && termacts[n->tok].flags & MAN_NOTEXT);
+               } while (n != NULL && n->tok != TOKEN_NONE &&
+                   termacts[n->tok].flags & MAN_NOTEXT);
                if (n == NULL || (n->tok == MAN_SH && n->body->child == NULL))
                        break;
 
@@ -853,7 +847,7 @@ pre_SH(DECL_ARGS)
                break;
        }
 
-       return(1);
+       return 1;
 }
 
 static void
@@ -880,9 +874,9 @@ pre_RS(DECL_ARGS)
        switch (n->type) {
        case ROFFT_BLOCK:
                term_newln(p);
-               return(1);
+               return 1;
        case ROFFT_HEAD:
-               return(0);
+               return 0;
        default:
                break;
        }
@@ -906,7 +900,7 @@ pre_RS(DECL_ARGS)
                mt->lmargincur = mt->lmarginsz;
 
        mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
-       return(1);
+       return 1;
 }
 
 static void
@@ -934,7 +928,7 @@ static int
 pre_UR(DECL_ARGS)
 {
 
-       return (n->type != ROFFT_HEAD);
+       return n->type != ROFFT_HEAD;
 }
 
 static void
@@ -970,17 +964,17 @@ print_man_node(DECL_ARGS)
                if ('\0' == *n->string) {
                        term_vspace(p);
                        return;
-               } else if (' ' == *n->string && MAN_LINE & n->flags)
+               } else if (' ' == *n->string && NODE_LINE & n->flags)
                        term_newln(p);
 
                term_word(p, n->string);
                goto out;
 
        case ROFFT_EQN:
-               if ( ! (n->flags & MAN_LINE))
+               if ( ! (n->flags & NODE_LINE))
                        p->flags |= TERMP_NOSPACE;
                term_eqn(p, n->eqn);
-               if (n->next != NULL && ! (n->next->flags & MAN_LINE))
+               if (n->next != NULL && ! (n->next->flags & NODE_LINE))
                        p->flags |= TERMP_NOSPACE;
                return;
        case ROFFT_TBL:
@@ -1017,7 +1011,7 @@ out:
         */
        if (mt->fl & MANT_LITERAL &&
            ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
-           (n->next == NULL || n->next->flags & MAN_LINE)) {
+           (n->next == NULL || n->next->flags & NODE_LINE)) {
                rm = p->rmargin;
                rmax = p->maxrmargin;
                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
@@ -1033,7 +1027,7 @@ out:
                        p->rmargin = rm;
                p->maxrmargin = rmax;
        }
-       if (MAN_EOS & n->flags)
+       if (NODE_EOS & n->flags)
                p->flags |= TERMP_SENTENCE;
 }