Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 24 Dec 2014 17:49:04 +0000 (UTC)
From:      Antoine Brodin <antoine@FreeBSD.org>
To:        ports-committers@freebsd.org, svn-ports-all@freebsd.org, svn-ports-head@freebsd.org
Subject:   svn commit: r375476 - in head/graphics/xv: . files
Message-ID:  <201412241749.sBOHn4Qk054635@svn.freebsd.org>

next in thread | raw e-mail | index | archive | help
Author: antoine
Date: Wed Dec 24 17:49:03 2014
New Revision: 375476
URL: https://svnweb.freebsd.org/changeset/ports/375476
QAT: https://qat.redports.org/buildarchive/r375476/

Log:
  Properly support png 1.5
  
  Obtained from:	Gentoo

Added:
  head/graphics/xv/files/patch-xvinfo.c   (contents, props changed)
Modified:
  head/graphics/xv/Makefile
  head/graphics/xv/files/patch-xvpng.c

Modified: head/graphics/xv/Makefile
==============================================================================
--- head/graphics/xv/Makefile	Wed Dec 24 17:46:49 2014	(r375475)
+++ head/graphics/xv/Makefile	Wed Dec 24 17:49:03 2014	(r375476)
@@ -20,7 +20,7 @@ COMMENT?=	X11 program that displays imag
 
 LIB_DEPENDS=	libjpeg.so:${PORTSDIR}/graphics/jpeg \
 		libtiff.so:${PORTSDIR}/graphics/tiff \
-		libpng15.so:${PORTSDIR}/graphics/png \
+		libpng.so:${PORTSDIR}/graphics/png \
 		libjasper.so:${PORTSDIR}/graphics/jasper
 
 USES=		imake

Added: head/graphics/xv/files/patch-xvinfo.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/graphics/xv/files/patch-xvinfo.c	Wed Dec 24 17:49:03 2014	(r375476)
@@ -0,0 +1,11 @@
+--- xvinfo.c.orig	1994-12-22 22:34:41 UTC
++++ xvinfo.c
+@@ -26,7 +26,7 @@
+ #define INFOHIGH 270
+ 
+ /* max length of an Info String */
+-#define ISTRLEN 80
++#define ISTRLEN 256
+ 
+ /* baseline of top line of text */
+ #define TOPBASE (36 + penn_height/2 + 4 + 8 + ASCENT)

Modified: head/graphics/xv/files/patch-xvpng.c
==============================================================================
--- head/graphics/xv/files/patch-xvpng.c	Wed Dec 24 17:46:49 2014	(r375475)
+++ head/graphics/xv/files/patch-xvpng.c	Wed Dec 24 17:49:03 2014	(r375476)
@@ -1,15 +1,36 @@
---- xvpng.c.orig	2007-05-14 02:53:28.000000000 +0200
-+++ xvpng.c	2012-04-27 07:51:56.000000000 +0200
-@@ -32,6 +32,8 @@
+--- xvpng.c.orig	2007-05-14 00:53:28 UTC
++++ xvpng.c
+@@ -31,6 +31,7 @@
+ 
  #ifdef HAVE_PNG
  
- #include "png.h"
 +#include "zlib.h"
-+#include "pngpriv.h"
+ #include "png.h"
  
  /*** Stuff for PNG Dialog box ***/
- #define PWIDE 318
-@@ -458,7 +460,7 @@
+@@ -41,7 +42,9 @@
+ #define COMPRESSION   6     /* default zlib compression level, not max
+                                (Z_BEST_COMPRESSION) */
+ 
+-#define HAVE_tRNS  (info_ptr->valid & PNG_INFO_tRNS)
++/* old
++#define HAVE_tRNS  (info_ptr->valid & PNG_INFO_tRNS) */
++#define HAVE_tRNS  png_get_valid(png_ptr,info_ptr,PNG_INFO_tRNS)
+ 
+ #define DWIDE    86
+ #define DHIGH    104
+@@ -444,6 +447,10 @@ int WritePNG(fp, pic, ptype, w, h, rmap,
+   byte       *p, *png_line;
+   char        software[256];
+   char       *savecmnt;
++  /* for storing values until all are accumulated, so that the image header can be set in full */
++  int         _bit_depth,_color_type,_interlace_type,_compression_type,_filter_type;
++  png_uint_32 _width,_height;
++  png_time    _mod_time;
+ 
+   if ((png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL,
+        png_xv_error, png_xv_warning)) == NULL) {
+@@ -458,7 +465,7 @@ int WritePNG(fp, pic, ptype, w, h, rmap,
      FatalError(software);
    }
  
@@ -18,7 +39,281 @@
      png_destroy_write_struct(&png_ptr, &info_ptr);
      return -1;
    }
-@@ -921,7 +923,7 @@
+@@ -489,8 +496,8 @@ int WritePNG(fp, pic, ptype, w, h, rmap,
+     png_set_filter(png_ptr, 0, filter);
+   }
+ 
+-  info_ptr->width = w;
+-  info_ptr->height = h;
++  _width = w;
++  _height = h;
+   if (w <= 0 || h <= 0) {
+     SetISTR(ISTR_WARNING, "%s:  image dimensions out of range (%dx%d)",
+       fbasename, w, h);
+@@ -498,7 +505,7 @@ int WritePNG(fp, pic, ptype, w, h, rmap,
+     return -1;
+   }
+ 
+-  info_ptr->interlace_type = interCB.val ? 1 : 0;
++  _interlace_type = interCB.val ? PNG_INTERLACE_ADAM7 : PNG_INTERLACE_NONE;
+ 
+   linesize = 0;   /* quiet a compiler warning */
+ 
+@@ -542,40 +549,44 @@ int WritePNG(fp, pic, ptype, w, h, rmap,
+         png_destroy_write_struct(&png_ptr, &info_ptr);
+         return -1;
+       }
+-      info_ptr->color_type = PNG_COLOR_TYPE_RGB;
+-      info_ptr->bit_depth = 8;
++      _color_type = PNG_COLOR_TYPE_RGB;
++      _bit_depth = 8;
+     } else /* ptype == PIC8 */ {
+       linesize = w;
+-      info_ptr->color_type = PNG_COLOR_TYPE_PALETTE;
++      _color_type = PNG_COLOR_TYPE_PALETTE;
+       if (numuniqcols <= 2)
+-        info_ptr->bit_depth = 1;
++        _bit_depth = 1;
+       else
+       if (numuniqcols <= 4)
+-        info_ptr->bit_depth = 2;
++        _bit_depth = 2;
+       else
+       if (numuniqcols <= 16)
+-        info_ptr->bit_depth = 4;
++        _bit_depth = 4;
+       else
+-        info_ptr->bit_depth = 8;
++        _bit_depth = 8;
+ 
+       for (i = 0; i < numuniqcols; i++) {
+         palette[i].red   = r1[i];
+         palette[i].green = g1[i];
+         palette[i].blue  = b1[i];
+       }
+-      info_ptr->num_palette = numuniqcols;
+-      info_ptr->palette = palette;
++/* cannot find a setter for this, unsure if it is necessary anymore...
+       info_ptr->valid |= PNG_INFO_PLTE;
++*/
++      /* set the header just in case it's needed */
++      png_set_IHDR(png_ptr,info_ptr,_width,_height,_bit_depth,_color_type,
++        _interlace_type,PNG_COMPRESSION_TYPE_DEFAULT,PNG_FILTER_TYPE_DEFAULT);
++      png_set_PLTE(png_ptr,info_ptr,palette,numuniqcols);
+     }
+   }
+ 
+   else if (colorType == F_GREYSCALE || colorType == F_BWDITHER) {
+-    info_ptr->color_type = PNG_COLOR_TYPE_GRAY;
++    _color_type = PNG_COLOR_TYPE_GRAY;
+     if (colorType == F_BWDITHER) {
+       /* shouldn't happen */
+       if (ptype == PIC24) FatalError("PIC24 and B/W Stipple in WritePNG()");
+ 
+-      info_ptr->bit_depth = 1;
++      _bit_depth = 1;
+       if (MONO(r1[0], g1[0], b1[0]) > MONO(r1[1], g1[1], b1[1])) {
+         remap[0] = 1;
+         remap[1] = 0;
+@@ -595,7 +606,7 @@ int WritePNG(fp, pic, ptype, w, h, rmap,
+           png_destroy_write_struct(&png_ptr, &info_ptr);
+           return -1;
+         }
+-        info_ptr->bit_depth = 8;
++        _bit_depth = 8;
+       }
+       else /* ptype == PIC8 */ {
+         int low_precision;
+@@ -617,7 +628,7 @@ int WritePNG(fp, pic, ptype, w, h, rmap,
+         for (; i < 256; i++)
+           remap[i]=0;  /* shouldn't be necessary, but... */
+ 
+-        info_ptr->bit_depth = 8;
++        _bit_depth = 8;
+ 
+         /* Note that this fails most of the time because of gamma */
+            /* (and that would be a bug:  GRR FIXME) */
+@@ -636,7 +647,7 @@ int WritePNG(fp, pic, ptype, w, h, rmap,
+           for (i = 0; i < numuniqcols; i++) {
+             remap[i] &= 0xf;
+           }
+-          info_ptr->bit_depth = 4;
++          _bit_depth = 4;
+ 
+           /* try to adjust to 2-bit precision grayscale */
+ 
+@@ -652,7 +663,7 @@ int WritePNG(fp, pic, ptype, w, h, rmap,
+           for (i = 0; i < numuniqcols; i++) {
+             remap[i] &= 3;
+           }
+-          info_ptr->bit_depth = 2;
++          _bit_depth = 2;
+ 
+           /* try to adjust to 1-bit precision grayscale */
+ 
+@@ -668,7 +679,7 @@ int WritePNG(fp, pic, ptype, w, h, rmap,
+           for (i = 0; i < numuniqcols; i++) {
+             remap[i] &= 1;
+           }
+-          info_ptr->bit_depth = 1;
++          _bit_depth = 1;
+         }
+       }
+     }
+@@ -677,6 +688,9 @@ int WritePNG(fp, pic, ptype, w, h, rmap,
+   else
+     png_error(png_ptr, "Unknown colorstyle in WritePNG");
+ 
++  png_set_IHDR(png_ptr,info_ptr,_width,_height,_bit_depth,_color_type,
++    _interlace_type,PNG_COMPRESSION_TYPE_DEFAULT,PNG_FILTER_TYPE_DEFAULT);
++
+   if ((text = (png_textp)malloc(sizeof(png_text)))) {
+     sprintf(software, "XV %s", REVDATE);
+ 
+@@ -685,20 +699,22 @@ int WritePNG(fp, pic, ptype, w, h, rmap,
+     text->text = software;
+     text->text_length = strlen(text->text);
+ 
+-    info_ptr->max_text = 1;
+-    info_ptr->num_text = 1;
+-    info_ptr->text = text;
++/* max_text seems to be internal only now, do not set
++    info_ptr->max_text = 1; */
++    png_set_text(png_ptr,info_ptr,text,1);
+   }
+ 
+   Display_Gamma = gDial.val;  /* Save the current gamma for loading */
+ 
+ // GRR FIXME:  add .Xdefaults option to omit writing gamma (size, cumulative errors when editing)--alternatively, modify save box to include "omit" checkbox
+-  info_ptr->gamma = 1.0/gDial.val;
+-  info_ptr->valid |= PNG_INFO_gAMA;
++  png_set_gAMA(png_ptr,info_ptr,1.0/gDial.val);
++/* doesn't seem to be a way to set valid directly anymore, unnecessary maybe.. 
++  info_ptr->valid |= PNG_INFO_gAMA; */
+ 
++/* might need to be png_write_info_before_PLTE() ... */
+   png_write_info(png_ptr, info_ptr);
+ 
+-  if (info_ptr->bit_depth < 8)
++  if (_bit_depth < 8)
+     png_set_packing(png_ptr);
+ 
+   pass=png_set_interlace_handling(png_ptr);
+@@ -711,13 +727,13 @@ int WritePNG(fp, pic, ptype, w, h, rmap,
+     int j;
+     p = pic;
+     for (j = 0; j < h; ++j) {
+-      if (info_ptr->color_type == PNG_COLOR_TYPE_GRAY) {
++      if (_color_type == PNG_COLOR_TYPE_GRAY) {
+         int k;
+         for (k = 0; k < w; ++k)
+           png_line[k] = ptype==PIC24 ? MONO(p[k*3], p[k*3+1], p[k*3+2]) :
+                                        remap[pc2nc[p[k]]];
+         png_write_row(png_ptr, png_line);
+-      } else if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) {
++      } else if (_color_type == PNG_COLOR_TYPE_PALETTE) {
+         int k;
+         for (k = 0; k < w; ++k)
+           png_line[k] = pc2nc[p[k]];
+@@ -739,28 +755,31 @@ int WritePNG(fp, pic, ptype, w, h, rmap,
+         (savecmnt = (char *)malloc((strlen(picComments) + 1)*sizeof(char)))) {
+       png_textp tp;
+       char *comment, *key;
++      int nt;
++      int mt;
+ 
+       strcpy(savecmnt, picComments);
+       key = savecmnt;
++      png_get_text(png_ptr,info_ptr,&tp,&mt); /* to get 'max_text' */
+       tp = text;
+-      info_ptr->num_text = 0;
++      nt = 0;      
+ 
+       comment = strchr(key, ':');
+ 
+       do  {
+         /* Allocate a larger structure for comments if necessary */
+-        if (info_ptr->num_text >= info_ptr->max_text)
++        if (nt >= mt)
+         {
+           if ((tp =
+-              realloc(text, (info_ptr->num_text + 2)*sizeof(png_text))) == NULL)
++              realloc(text, (nt + 2)*sizeof(png_text))) == NULL)
+           {
+             break;
+           }
+           else
+           {
+             text = tp;
+-            tp = &text[info_ptr->num_text];
+-            info_ptr->max_text += 2;
++            tp = &text[nt];
++            mt += 2;
+           }
+         }
+ 
+@@ -810,7 +829,7 @@ int WritePNG(fp, pic, ptype, w, h, rmap,
+             }
+ 
+             tp->compression = tp->text_length > 640 ? 0 : -1;
+-            info_ptr->num_text++;
++            nt++;
+             tp++;
+           }
+         }
+@@ -834,27 +853,29 @@ int WritePNG(fp, pic, ptype, w, h, rmap,
+           tp->text = key;
+           tp->text_length = q - key;
+           tp->compression = tp->text_length > 750 ? 0 : -1;
+-          info_ptr->num_text++;
++          nt++;
+           key = NULL;
+         }
+       } while (key && *key);
++      png_set_text(png_ptr,info_ptr,text,nt);
+     }
+     else {
+-      info_ptr->num_text = 0;
++      png_set_text(png_ptr,info_ptr,text,0);
+     }
+   }
+-  info_ptr->text = text;
+ 
+-  png_convert_from_time_t(&(info_ptr->mod_time), time(NULL));
+-  info_ptr->valid |= PNG_INFO_tIME;
++  png_convert_from_time_t(&_mod_time, time(NULL));
++  png_set_tIME(png_ptr,info_ptr,&_mod_time);
++/* dunno how to set validity
++  info_ptr->valid |= PNG_INFO_tIME; */
+ 
+   png_write_end(png_ptr, info_ptr);
+   fflush(fp);   /* just in case we core-dump before finishing... */
+ 
+   if (text) {
+     free(text);
+-    /* must do this or png_destroy_write_struct() 0.97+ will free text again: */
+-    info_ptr->text = (png_textp)NULL;
++    /* must do this or png_destroy_write_struct() 0.97+ will free text again: 
++    info_ptr->text = (png_textp)NULL; */
+     if (savecmnt)
+     {
+       free(savecmnt);
+@@ -886,6 +907,14 @@ int LoadPNG(fname, pinfo)
+   int pass;
+   int gray_to_rgb;
+   size_t commentsize;
++  /* temp storage vars for libpng15 migration */
++  int         _bit_depth,_color_type,_interlace_type,_compression_type,_filter_type,_num_text,_num_palette;
++  png_uint_32 _width,_height;
++  png_timep   _mod_time;
++  double      _gamma;
++  png_textp   _text;
++  png_colorp  _palette;
++  png_color_16p _background;
+ 
+   fbasename = BaseName(fname);
+ 
+@@ -921,7 +950,7 @@ int LoadPNG(fname, pinfo)
      FatalError("malloc failure in LoadPNG");
    }
  
@@ -27,7 +322,183 @@
      fclose(fp);
      png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL);
      if (!read_anything) {
-@@ -1143,7 +1145,7 @@
+@@ -945,8 +974,10 @@ int LoadPNG(fname, pinfo)
+ #endif
+   png_read_info(png_ptr, info_ptr);
+ 
+-  pinfo->w = pinfo->normw = info_ptr->width;
+-  pinfo->h = pinfo->normh = info_ptr->height;
++  png_get_IHDR(png_ptr,info_ptr,&_width,&_height,&_bit_depth,&_color_type,&_interlace_type,NULL,NULL);
++
++  pinfo->w = pinfo->normw = _width;
++  pinfo->h = pinfo->normh = _height;
+   if (pinfo->w <= 0 || pinfo->h <= 0) {
+     SetISTR(ISTR_WARNING, "%s:  image dimensions out of range (%dx%d)",
+       fbasename, pinfo->w, pinfo->h);
+@@ -957,9 +988,9 @@ int LoadPNG(fname, pinfo)
+   pinfo->frmType = F_PNG;
+ 
+   sprintf(pinfo->fullInfo, "PNG, %d bit ",
+-          info_ptr->bit_depth * info_ptr->channels);
++          _bit_depth * png_get_channels(png_ptr,info_ptr));
+ 
+-  switch(info_ptr->color_type) {
++  switch(_color_type) {
+     case PNG_COLOR_TYPE_PALETTE:
+       strcat(pinfo->fullInfo, "palette color");
+       break;
+@@ -983,15 +1014,17 @@ int LoadPNG(fname, pinfo)
+ 
+   sprintf(pinfo->fullInfo + strlen(pinfo->fullInfo),
+ 	  ", %sinterlaced. (%d bytes)",
+-	  info_ptr->interlace_type ? "" : "non-", filesize);
++	  _interlace_type ? "" : "non-", filesize);
+ 
+-  sprintf(pinfo->shrtInfo, "%lux%lu PNG", info_ptr->width, info_ptr->height);
++  sprintf(pinfo->shrtInfo, "%lux%lu PNG", _width, _height);
+ 
+-  if (info_ptr->bit_depth < 8)
++  if (_bit_depth < 8)
+       png_set_packing(png_ptr);
+ 
+-  if (info_ptr->valid & PNG_INFO_gAMA)
+-    png_set_gamma(png_ptr, Display_Gamma, info_ptr->gamma);
++  if (png_get_valid(png_ptr,info_ptr,PNG_INFO_gAMA)) {
++    png_get_gAMA(png_ptr,info_ptr,&_gamma);
++    png_set_gamma(png_ptr, Display_Gamma, _gamma);
++  }
+ /*
+  *else
+  *  png_set_gamma(png_ptr, Display_Gamma, 0.45);
+@@ -1000,7 +1033,7 @@ int LoadPNG(fname, pinfo)
+   gray_to_rgb = 0;   /* quiet a compiler warning */
+ 
+   if (have_imagebg) {
+-    if (info_ptr->bit_depth == 16) {
++    if (_bit_depth == 16) {
+       my_background.red   = imagebgR;
+       my_background.green = imagebgG;
+       my_background.blue  = imagebgB;
+@@ -1013,8 +1046,8 @@ int LoadPNG(fname, pinfo)
+     }
+     png_set_background(png_ptr, &my_background, PNG_BACKGROUND_GAMMA_SCREEN,
+                        0, Display_Gamma);
+-    if ((info_ptr->color_type == PNG_COLOR_TYPE_GRAY_ALPHA ||
+-         (info_ptr->color_type == PNG_COLOR_TYPE_GRAY && HAVE_tRNS)) &&
++    if ((_color_type == PNG_COLOR_TYPE_GRAY_ALPHA ||
++         (_color_type == PNG_COLOR_TYPE_GRAY && HAVE_tRNS)) &&
+         (imagebgR != imagebgG || imagebgR != imagebgB))  /* i.e., colored bg */
+     {
+       png_set_gray_to_rgb(png_ptr);
+@@ -1022,8 +1055,9 @@ int LoadPNG(fname, pinfo)
+       gray_to_rgb = 1;
+     }
+   } else {
+-    if (info_ptr->valid & PNG_INFO_bKGD) {
+-      png_set_background(png_ptr, &info_ptr->background,
++    if (png_get_valid(png_ptr,info_ptr,PNG_INFO_bKGD)) {
++      png_get_bKGD(png_ptr,info_ptr,&_background);
++      png_set_background(png_ptr, _background,
+                          PNG_BACKGROUND_GAMMA_FILE, 1, 1.0);
+     } else {
+       my_background.red = my_background.green = my_background.blue =
+@@ -1033,13 +1067,13 @@ int LoadPNG(fname, pinfo)
+     }
+   }
+ 
+-  if (info_ptr->bit_depth == 16)
++  if (_bit_depth == 16)
+     png_set_strip_16(png_ptr);
+ 
+-  if (info_ptr->color_type == PNG_COLOR_TYPE_GRAY ||
+-      info_ptr->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
++  if (_color_type == PNG_COLOR_TYPE_GRAY ||
++      _color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
+   {
+-    if (info_ptr->bit_depth == 1)
++    if (_bit_depth == 1)
+       pinfo->colType = F_BWDITHER;
+     else
+       pinfo->colType = F_GREYSCALE;
+@@ -1049,9 +1083,11 @@ int LoadPNG(fname, pinfo)
+   pass=png_set_interlace_handling(png_ptr);
+ 
+   png_read_update_info(png_ptr, info_ptr);
++  /* get HIDR again just in case the info_ptr changed */
++  png_get_IHDR(png_ptr,info_ptr,&_width,&_height,&_bit_depth,&_color_type,&_interlace_type,NULL,NULL);
+ 
+-  if (info_ptr->color_type == PNG_COLOR_TYPE_RGB ||
+-     info_ptr->color_type == PNG_COLOR_TYPE_RGB_ALPHA || gray_to_rgb)
++  if (_color_type == PNG_COLOR_TYPE_RGB ||
++     _color_type == PNG_COLOR_TYPE_RGB_ALPHA || gray_to_rgb)
+   {
+     linesize = 3 * pinfo->w;
+     if (linesize/3 < pinfo->w) {   /* know pinfo->w > 0 (see above) */
+@@ -1065,16 +1101,17 @@ int LoadPNG(fname, pinfo)
+   } else {
+     linesize = pinfo->w;
+     pinfo->type = PIC8;
+-    if (info_ptr->color_type == PNG_COLOR_TYPE_GRAY ||
+-       info_ptr->color_type == PNG_COLOR_TYPE_GRAY_ALPHA) {
++    if (_color_type == PNG_COLOR_TYPE_GRAY ||
++       _color_type == PNG_COLOR_TYPE_GRAY_ALPHA) {
+       for (i = 0; i < 256; i++)
+         pinfo->r[i] = pinfo->g[i] = pinfo->b[i] = i;
+     } else {
+       pinfo->colType = F_FULLCOLOR;
+-      for (i = 0; i < info_ptr->num_palette; i++) {
+-        pinfo->r[i] = info_ptr->palette[i].red;
+-        pinfo->g[i] = info_ptr->palette[i].green;
+-        pinfo->b[i] = info_ptr->palette[i].blue;
++      png_get_PLTE(png_ptr,info_ptr,&_palette,&_num_palette);
++      for (i = 0; i < _num_palette; i++) {
++        pinfo->r[i] = _palette[i].red;
++        pinfo->g[i] = _palette[i].green;
++        pinfo->b[i] = _palette[i].blue;
+       }
+     }
+   }
+@@ -1092,7 +1129,7 @@ int LoadPNG(fname, pinfo)
+     png_error(png_ptr, "can't allocate space for PNG image");
+   }
+ 
+-  png_start_read_image(png_ptr);
++  /*png_start_read_image(png_ptr); -- causes a warning and seems to be unnecessary */
+ 
+   for (i = 0; i < pass; i++) {
+     byte *p = pinfo->pic;
+@@ -1106,22 +1143,23 @@ int LoadPNG(fname, pinfo)
+ 
+   png_read_end(png_ptr, info_ptr);
+ 
+-  if (info_ptr->num_text > 0) {
++  png_get_text(png_ptr,info_ptr,&_text,&_num_text);
++  if (_num_text > 0) {
+     commentsize = 1;
+ 
+-    for (i = 0; i < info_ptr->num_text; i++)
+-      commentsize += strlen(info_ptr->text[i].key) + 1 +
+-                     info_ptr->text[i].text_length + 2;
++    for (i = 0; i < _num_text; i++)
++      commentsize += strlen(_text[i].key) + 1 +
++                     _text[i].text_length + 2;
+ 
+     if ((pinfo->comment = malloc(commentsize)) == NULL) {
+       png_warning(png_ptr,"can't allocate comment string");
+     }
+     else {
+       pinfo->comment[0] = '\0';
+-      for (i = 0; i < info_ptr->num_text; i++) {
+-        strcat(pinfo->comment, info_ptr->text[i].key);
++      for (i = 0; i < _num_text; i++) {
++        strcat(pinfo->comment, _text[i].key);
+         strcat(pinfo->comment, "::");
+-        strcat(pinfo->comment, info_ptr->text[i].text);
++        strcat(pinfo->comment, _text[i].text);
+         strcat(pinfo->comment, "\n");
+       }
+     }
+@@ -1143,7 +1181,7 @@ png_xv_error(png_ptr, message)
  {
    SetISTR(ISTR_WARNING,"%s:  libpng error: %s", fbasename, message);
  



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201412241749.sBOHn4Qk054635>