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Diff for /mandoc/term.c between version 1.109 and 1.115

version 1.109, 2009/10/22 18:19:36 version 1.115, 2009/10/27 08:26:12
Line 19 
Line 19 
 #include <stdio.h>  #include <stdio.h>
 #include <stdlib.h>  #include <stdlib.h>
 #include <string.h>  #include <string.h>
   #include <time.h>
   
 #include "chars.h"  #include "chars.h"
 #include "out.h"  #include "out.h"
Line 78  term_alloc(enum termenc enc)
Line 79  term_alloc(enum termenc enc)
   
         if (NULL == (p = malloc(sizeof(struct termp))))          if (NULL == (p = malloc(sizeof(struct termp))))
                 return(NULL);                  return(NULL);
         bzero(p, sizeof(struct termp));          memset(p, 0, sizeof(struct termp));
         p->maxrmargin = 78;          p->maxrmargin = 78;
         p->enc = enc;          p->enc = enc;
         return(p);          return(p);
Line 119  term_alloc(enum termenc enc)
Line 120  term_alloc(enum termenc enc)
  *  If TERMP_NOBREAK is specified and the line overruns the right   *  If TERMP_NOBREAK is specified and the line overruns the right
  *  margin, it will break and pad-right to the right margin after   *  margin, it will break and pad-right to the right margin after
  *  writing.  If maxrmargin is violated, it will break and continue   *  writing.  If maxrmargin is violated, it will break and continue
  *  writing from the right-margin, which will lead to the above   *  writing from the right-margin, which will lead to the above scenario
  *  scenario upon exit.   *  upon exit.  Otherwise, the line will break at the right margin.
  *  
  *  Otherwise, the line will break at the right margin.  Extremely long  
  *  lines will cause the system to emit a warning (TODO: hyphenate, if  
  *  possible).  
  */   */
 void  void
 term_flushln(struct termp *p)  term_flushln(struct termp *p)
 {  {
         int              i, j;          int              i;     /* current input position in p->buf */
         size_t           vbl, vsz, vis, maxvis, mmax, bp, os;          size_t           vis;   /* current visual position on output */
           size_t           vbl;   /* number of blanks to prepend to output */
           size_t           vsz;   /* visual characters to write to output */
           size_t           bp;    /* visual right border position */
           int              j;     /* temporary loop index */
           size_t           maxvis, mmax;
         static int       overstep = 0;          static int       overstep = 0;
   
         /*          /*
          * First, establish the maximum columns of "visible" content.           * First, establish the maximum columns of "visible" content.
          * This is usually the difference between the right-margin and           * This is usually the difference between the right-margin and
          * an indentation, but can be, for tagged lists or columns, a           * an indentation, but can be, for tagged lists or columns, a
          * small set of values.           * small set of values.
          */           */
   
         assert(p->offset < p->rmargin);          assert(p->offset < p->rmargin);
         assert((int)(p->rmargin - p->offset) - overstep > 0);  
   
         /* Save the overstep. */          maxvis = (int)(p->rmargin - p->offset) - overstep < 0 ?
         os = (size_t)overstep;                          0 : p->rmargin - p->offset - overstep;
           mmax = (int)(p->maxrmargin - p->offset) - overstep < 0 ?
                           0 : p->maxrmargin - p->offset - overstep;
   
         maxvis = /* LINTED */  
                 p->rmargin - p->offset - overstep;  
         mmax = /* LINTED */  
                 p->maxrmargin - p->offset - overstep;  
   
         bp = TERMP_NOBREAK & p->flags ? mmax : maxvis;          bp = TERMP_NOBREAK & p->flags ? mmax : maxvis;
   
           /*
            * FIXME: if bp is zero, we still output the first word before
            * breaking the line.
            */
   
         vis = 0;          vis = 0;
         overstep = 0;  
   
         /*          /*
          * If in the standard case (left-justified), then begin with our           * If in the standard case (left-justified), then begin with our
Line 208  term_flushln(struct termp *p)
Line 211  term_flushln(struct termp *p)
                                 vis = 0;                                  vis = 0;
                         }                          }
                         /* Remove the overstep width. */                          /* Remove the overstep width. */
                         bp += os;                          bp += (int)/* LINTED */
                         os = 0;                                  overstep;
                           overstep = 0;
                 } else {                  } else {
                         for (j = 0; j < (int)vbl; j++)                          for (j = 0; j < (int)vbl; j++)
                                 putchar(' ');                                  putchar(' ');
Line 226  term_flushln(struct termp *p)
Line 230  term_flushln(struct termp *p)
                 }                  }
                 vis += vsz;                  vis += vsz;
         }          }
   
         p->col = 0;          p->col = 0;
           overstep = 0;
   
         if ( ! (TERMP_NOBREAK & p->flags)) {          if ( ! (TERMP_NOBREAK & p->flags)) {
                 putchar('\n');                  putchar('\n');
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Removed from v.1.109  
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  Added in v.1.115
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