G'day again,

This is the middle entry of three postings regarding IM, CD and IUP.
See the preceding posting, "IM-r574 warnings update", for most of
the explanation for why I'm focussing on GCC warnings in the code.

cheers,

sur-behoffski (Brenton Hoff)
programmer, Grouse Software
* No diagnostics for:
   #include expects "FILENAME" or <FILENAME>
   missing binary operator before token "("
   converting to non-pointer type <TYPE> from NULL [-Wconversion-null]
   suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
   assignment discards <TYPE> qualifier from pointer target type 
[-Wdiscarded-qualifiers]
   comparison between <ENUM1> and <ENUM2> [-Wenum-compare]
   format <FMT> expects argument of type <TYPE1>, but argument <NUM> has type 
<TYPE2> [-Wformat=]
   too many arguments for format [-Wformat-extra-args]
   format not a string literal and no format arguments [-Wformat-security]
   implicit declaration of function <FUNC> [-Wimplicit-function-declaration]
   cast to pointer from integer of different size [-Wint-to-pointer-cast]
   <VAR> is usually a function [-Wmain]
   <VAR> may be used uninitialized in this function [-Wmaybe-uninitialized]
   missing braces around initializer [-Wmissing-braces]
   the use of `tmpnam' is dangerous, better use `mkstemp'
   suggest parentheses around arithmetic in operand of '|' [-Wparentheses]
   suggest parentheses around assignment used as truth value [-Wparentheses]
   suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
   suggest parentheses around '&&' within '||' [-Wparentheses]
   comparison between pointer and zero character constant [-Wpointer-compare]
   cast from pointer to integer of different size [-Wpointer-to-int-cast]
   <VAR> will be initialized after [-Wreorder]
   no return statement in function returning non-void [-Wreturn-type]
   control reaches end of non-void function [-Wreturn-type]
   case value <LABEL> not in enumerated type <ENUM> [-Wswitch]
   this 'else' clause does not guard... [-Wmisleading-indentation]
   this 'while' clause does not guard... [-Wmisleading-indentation]
   ignoring #pragma omp critical [-Wunknown-pragmas]
   ignoring #pragma omp for [-Wunknown-pragmas]
   ignoring #pragma omp parallel [-Wunknown-pragmas]
   ignoring #pragma omp section [-Wunknown-pragmas]
   ignoring #pragma warning  [-Wunknown-pragmas]
   enumeration value <ENUM> not handled in switch [-Wswitch]
   <EXPRESSION> is used uninitialized in this function [-Wuninitialized]
   <FUNC> declared <TYPE> but never defined [-Wunused-function]
   label <LABEL> defined but not used [-Wunused-label]
   value computed is not used [-Wunused-value]
   <VAR> defined but not used [-Wunused-variable]
   unused variable <VAR> [-Wunused-variable]
   warning: ISO C++ forbids converting a string constant to <TYPE> 
[-Wwrite-strings]
   deprecated conversion from string constant to <TYPE> [-Wwrite-strings]
(End of list.)


<FUNC> is deprecated [-Wdeprecated-declarations]:
    cairo/cdcaironative_gdk.c:52:[Function:cdGetScreenSize]:   
gdk_screen_get_width
    cairo/cdcaironative_gdk.c:53:[#included-from:cairo/cdcaironative_gdk.c:53]: 
  gdk_screen_get_height
    cairo/cdcaironative_gdk.c:54:[#included-from:cairo/cdcaironative_gdk.c:54]: 
  gdk_screen_get_width_mm
    cairo/cdcaironative_gdk.c:55:[#included-from:cairo/cdcaironative_gdk.c:55]: 
  gdk_screen_get_height_mm
    cairo/cdcaironative_gdk.c:203:[Function:cdcreatecanvas]:   
gdk_screen_get_width
    
cairo/cdcaironative_gdk.c:203:[#included-from:cairo/cdcaironative_gdk.c:203]:   
gdk_screen_get_width_mm
    
cairo/cdcaironative_gdk.c:204:[#included-from:cairo/cdcaironative_gdk.c:204]:   
gdk_screen_get_height
    
cairo/cdcaironative_gdk.c:204:[#included-from:cairo/cdcaironative_gdk.c:204]:   
gdk_screen_get_height_mm


<FUNC1> is deprecated: Use <FUNC2> instead [-Wdeprecated-declarations]:
    cairo/cdcaironative_gdk.c:24:[Function:cdGetScreenColorPlanes]:   
gdk_visual_get_system  gdk_screen_get_system_visual


<FUNC> may write a terminating nul past the end of the destination 
[-Wformat-overflow=]:
    drv/pptx.c:727:[Function:openFile]:   __builtin___sprintf_chk


<DIRECTIVE> directive writing 1 byte into a region of size between 0 and 
<BYTECOUNT> [-Wformat-overflow=]:
    cd_text.c:310:[Function:cdCanvasNativeFont]:      1023


<DIRECTIVE> directive writing <BYTECOUNT1> bytes into a region of size between 
<BYTECOUNT2> and <BYTECOUNT3> [-Wformat-overflow=]:
    svg/cdsvg.c:933:[Function:cdfont]:   px  2  0  9
    drv/pptx.c:690:[Function:pptxOpenSlide]:   /ppt/slides/slide  17  1  10240
    drv/pptx.c:696:[#included-from:drv/pptx.c:696]:   /ppt/slides/_rels/slide  
23  1  10240
    drv/pptx.c:1009:[Function:pptxPattern]:   /ppt/media/media/image  22  1  
10240
    drv/pptx.c:1292:[Function:pptxImageRGB]:   /ppt/media/media/image  22  1  
10240
    drv/pptx.c:1341:[Function:pptxImageRGBA]:   /ppt/media/media/image  22  1  
10240


<DIRECTIVE> directive writing between <BYTECOUNT1> and <BYTECOUNT2> bytes into 
a region of size between <BYTECOUNT3> and <BYTECOUNT4> [-Wformat-overflow=]:
    drv/cdps.c:2048:[Function:get_margins_attrib]:   %g  1  13  8  44
    drv/cdpdf.c:1566:[Function:set_opacity_attrib]:   %g  1  13  10  22


<DIRECTIVE> directive writing up to <BYTECOUNT1> bytes into a region of size 
<BYTECOUNT2> [-Wformat-overflow=]:
    pdflib/pdcore/pc_core.c:982:[Function:pdc_error.part.1]:   %s  10239  10234


implicit declaration of function <FUNC1>; did you mean <FUNC2>? 
[-Wimplicit-function-declaration]:
    drv/cdgl.c:735:[Function:cdgetfontdim]:   ftglGetFontMaxWidth  
ftglGetFontAscender
    drv/cdgl.c:979:[Function:cdftext]:   ftglSetNearestFilter  ftglSetLayoutFont


assignment from incompatible pointer type [-Wincompatible-pointer-types]:
    intcgm/cd_intcgm.c:776:[Function:cdplayCGM]: 
      funcs.BeginMetafile = cdcgm_BeginMetafile;
                          ^
    intcgm/cd_intcgm.c:778:[Function:cdplayCGM]: 
      funcs.BeginPicture = cdcgm_BeginPicture;
                         ^
    intcgm/cd_intcgm.c:780:[Function:cdplayCGM]: 
      funcs.BeginPictureBody = cdcgm_BeginPictureBody;
                             ^
    intcgm/cd_intcgm.c:781:[Function:cdplayCGM]: 
      funcs.DeviceExtent = cdcgm_DeviceExtent;
                         ^
    intcgm/cd_intcgm.c:782:[Function:cdplayCGM]: 
      funcs.ScaleMode = cdcgm_ScaleMode;
                      ^
    intcgm/cd_intcgm.c:783:[Function:cdplayCGM]: 
      funcs.BackgroundColor = cdcgm_BackgroundColor;
                            ^
    intcgm/cd_intcgm.c:784:[Function:cdplayCGM]: 
      funcs.Transparency = cdcgm_Transparency;
                         ^
    intcgm/cd_intcgm.c:785:[Function:cdplayCGM]: 
      funcs.ClipRectangle = cdcgm_ClipRectangle;
                          ^
    intcgm/cd_intcgm.c:786:[Function:cdplayCGM]: 
      funcs.ClipIndicator = cdcgm_ClipIndicator;
                          ^
    intcgm/cd_intcgm.c:787:[Function:cdplayCGM]: 
      funcs.PolyLine = cdcgm_PolyLine;
                     ^
    intcgm/cd_intcgm.c:788:[Function:cdplayCGM]: 
      funcs.PolyMarker = cdcgm_PolyMarker;
                       ^
    intcgm/cd_intcgm.c:789:[Function:cdplayCGM]: 
      funcs.Polygon = cdcgm_Polygon;
                    ^
    intcgm/cd_intcgm.c:790:[Function:cdplayCGM]: 
      funcs.Text = cdcgm_Text;
                 ^
    intcgm/cd_intcgm.c:791:[Function:cdplayCGM]: 
      funcs.CellArray = cdcgm_CellArray;
                      ^
    intcgm/cd_intcgm.c:792:[Function:cdplayCGM]: 
      funcs.Rectangle = cdcgm_Rectangle;
                      ^
    intcgm/cd_intcgm.c:793:[Function:cdplayCGM]: 
      funcs.Circle = cdcgm_Circle;
                   ^
    intcgm/cd_intcgm.c:794:[Function:cdplayCGM]: 
      funcs.CircularArc = cdcgm_CircularArc;
                        ^
    intcgm/cd_intcgm.c:795:[Function:cdplayCGM]: 
      funcs.Ellipse = cdcgm_Ellipse;
                    ^
    intcgm/cd_intcgm.c:796:[Function:cdplayCGM]: 
      funcs.EllipticalArc = cdcgm_EllipticalArc;
                          ^
    intcgm/cd_intcgm.c:797:[Function:cdplayCGM]: 
      funcs.LineAttrib = cdcgm_LineAttrib;
                       ^
    intcgm/cd_intcgm.c:798:[Function:cdplayCGM]: 
      funcs.MarkerAttrib = cdcgm_MarkerAttrib;
                         ^
    intcgm/cd_intcgm.c:799:[Function:cdplayCGM]: 
      funcs.FillAttrib = cdcgm_FillAttrib;
                       ^
    intcgm/cd_intcgm.c:800:[Function:cdplayCGM]: 
      funcs.TextAttrib = cdcgm_TextAttrib;
                       ^
    intcgm/cd_intcgm.c:801:[Function:cdplayCGM]: 
      funcs.Counter = cdcgm_Counter;
                    ^


initialization from incompatible pointer type [-Wincompatible-pointer-types]:
    drv/cdirgb.c:[At:2056]: 
      cdcreatecanvasDB,
    cairo/cdcairodbuf.c:[At:176]: 
      cdcreatecanvas,
    drv/cdim.c:[At:242]: 
      cdcreatecanvas,


passing argument <NUM> of <FUNC> from incompatible pointer type 
[-Wincompatible-pointer-types]:
    drv/pptx.c:1551:[Function:writeZipFile]:   3  minizip
      ret = minizip(filename, dirname, files, i);
    drv/pptx.c:1553:[Function:writeZipFile]:   2  removeTempFiles
      removeTempFiles(dirname, files, i);


this 'for' clause does not guard... [-Wmisleading-indentation]:
    minizip/zip.c:521:[Function:zip64local_SearchCentralDir]: 
        for (i=(int)uReadSize-3; (i--)>0;)
        ^~~
   minizip/zip.c:529:7: note: ...this statement, but the latter is misleadingly 
indented as if it were guarded by the 'for'
          if (uPosFound!=0)
          ^~


this 'if' clause does not guard... [-Wmisleading-indentation]:
    pdflib/pdflib/p_document.c:1118:[Function:pdf_get_document_common_options]: 
        if (pdc_get_optvalues("openmode", resopts, &inum, NULL))
        ^~
   pdflib/pdflib/p_document.c:1121:9: note: ...this statement, but the latter 
is misleadingly indented as if it were guarded by the 'if'
            if (doc->openmode ==  open_layers)
            ^~
    pdflib/pdflib/p_font.c:926:[Function:pdf_get_font_options]: 
        if (pdc_get_optvalues("linegap", resopts, &fo->linegap, NULL))
        ^~
   pdflib/pdflib/p_font.c:930:9: note: ...this statement, but the latter is 
misleadingly indented as if it were guarded by the 'if'
            pdc_get_optvalues("dropcorewidths", resopts, &fo->dropcorewidths, 
NULL);
            ^~~~~~~~~~~~~~~~~
    pdflib/pdflib/p_font.c:1576:[Function:pdf_load_font_internal]: 
                    if (!font->ft.img)
                    ^~
   pdflib/pdflib/p_font.c:1579:21: note: ...this statement, but the latter is 
misleadingly indented as if it were guarded by the 'if'
                        if (logg1)
                        ^~


dereferencing type-punned pointer will break strict-aliasing rules 
[-Wstrict-aliasing]:
    drv/cddgn.c:329:[Function:put_as_double]: 
      put_long(ctxcanvas, *((long *) &dfloat));
      ^~~~~~~~


<VAR> defined but not used [-Wunused-const-variable=]:
    pdflib/pdflib/p_page.c:[At:1406]:   pdf_sepinfo_options


<FUNC> defined but not used [-Wunused-function]:
    pdflib/pdcore/pc_crypt.c:[At:26]:   pdc_pd_crypt_c
    pdflib/pdcore/pc_scope.c:[At:25]:   pdc_check_scope_core


ignoring return value of <FUNC>, declared with attribute warn_unused_result 
[-Wunused-result]:
    intcgm/cgm_txt_get.c:10:[Function:cgm_txt_get_sep]:   fscanf
    intcgm/cgm_txt_get.c:26:[Function:cgm_txt_skip_com]:   fscanf
    intcgm/cgm_txt_get.c:37:[Function:cgm_txt_skip_parentheses]:   fscanf
    intcgm/cgm_txt_get.c:48:[Function:cgm_txt_get_ter_noerr]:   fscanf
    intcgm/cgm_txt_get.c:107:[Function:cgm_txt_get_e]:   fscanf
    drv/cdmf.c:770:[Function:cdplay]:   fscanf
    drv/cdmf.c:801:[Function:cdplay]:   fscanf
    drv/cdmf.c:814:[Function:cdplay]:   fscanf
    drv/cdmf.c:818:[Function:cdplay]:   fscanf
    drv/cdmf.c:822:[Function:cdplay]:   fscanf
    drv/cdmf.c:826:[Function:cdplay]:   fscanf
    drv/cdmf.c:833:[Function:cdplay]:   fscanf
    drv/cdmf.c:837:[Function:cdplay]:   fscanf
    drv/cdmf.c:841:[Function:cdplay]:   fscanf
    drv/cdmf.c:845:[Function:cdplay]:   fscanf
    drv/cdmf.c:849:[Function:cdplay]:   fscanf
    drv/cdmf.c:853:[Function:cdplay]:   fscanf
    drv/cdmf.c:857:[Function:cdplay]:   fscanf
    drv/cdmf.c:861:[Function:cdplay]:   fscanf
    drv/cdmf.c:865:[Function:cdplay]:   fscanf
    drv/cdmf.c:869:[Function:cdplay]:   fscanf
    drv/cdmf.c:873:[Function:cdplay]:   fscanf
    drv/cdmf.c:877:[Function:cdplay]:   fscanf
    drv/cdmf.c:881:[Function:cdplay]:   fscanf
    drv/cdmf.c:885:[Function:cdplay]:   fscanf
    drv/cdmf.c:889:[Function:cdplay]:   fscanf
    drv/cdmf.c:893:[Function:cdplay]:   fscanf
    drv/cdmf.c:897:[Function:cdplay]:   fscanf
    drv/cdmf.c:901:[Function:cdplay]:   fscanf
    drv/cdmf.c:905:[Function:cdplay]:   fscanf
    drv/cdmf.c:909:[Function:cdplay]:   fscanf
    drv/cdmf.c:913:[Function:cdplay]:   fscanf
    drv/cdmf.c:917:[Function:cdplay]:   fscanf
    drv/cdmf.c:921:[Function:cdplay]:   fscanf
    drv/cdmf.c:925:[Function:cdplay]:   fscanf
    drv/cdmf.c:929:[Function:cdplay]:   fscanf
    drv/cdmf.c:933:[Function:cdplay]:   fscanf
    drv/cdmf.c:940:[Function:cdplay]:   fscanf
    drv/cdmf.c:944:[Function:cdplay]:   fscanf
    drv/cdmf.c:948:[Function:cdplay]:   fscanf
    drv/cdmf.c:952:[Function:cdplay]:   fscanf
    drv/cdmf.c:956:[Function:cdplay]:   fscanf
    drv/cdmf.c:960:[Function:cdplay]:   fscanf
    drv/cdmf.c:964:[Function:cdplay]:   fscanf
    drv/cdmf.c:968:[Function:cdplay]:   fscanf
    drv/cdmf.c:972:[Function:cdplay]:   fscanf
    drv/cdmf.c:975:[Function:cdplay]:   fscanf
    drv/cdmf.c:980:[Function:cdplay]:   fscanf
    drv/cdmf.c:984:[Function:cdplay]:   fscanf
    drv/cdmf.c:988:[Function:cdplay]:   fscanf
    drv/cdmf.c:992:[Function:cdplay]:   fscanf
    drv/cdmf.c:998:[Function:cdplay]:   fscanf
    drv/cdmf.c:1005:[Function:cdplay]:   fscanf
    drv/cdmf.c:1011:[Function:cdplay]:   fscanf
    drv/cdmf.c:1018:[Function:cdplay]:   fscanf
    drv/cdmf.c:1023:[Function:cdplay]:   fscanf
    drv/cdmf.c:1027:[Function:cdplay]:   fscanf
    drv/cdmf.c:1031:[Function:cdplay]:   fscanf
    drv/cdmf.c:1035:[Function:cdplay]:   fscanf
    drv/cdmf.c:1039:[Function:cdplay]:   fscanf
    drv/cdmf.c:1043:[Function:cdplay]:   fscanf
    drv/cdmf.c:1047:[Function:cdplay]:   fscanf
    drv/cdmf.c:1051:[Function:cdplay]:   fscanf
    drv/cdmf.c:1058:[Function:cdplay]:   fscanf
    drv/cdmf.c:1062:[Function:cdplay]:   fscanf
    drv/cdmf.c:1066:[Function:cdplay]:   fscanf
    drv/cdmf.c:1073:[Function:cdplay]:   fscanf
    drv/cdmf.c:1084:[Function:cdplay]:   fscanf
    drv/cdmf.c:1092:[Function:cdplay]:   fscanf
    drv/cdmf.c:1105:[Function:cdplay]:   fscanf
    drv/cdmf.c:1111:[Function:cdplay]:   fscanf
    drv/cdmf.c:1119:[Function:cdplay]:   fscanf
    drv/cdmf.c:1127:[Function:cdplay]:   fscanf
    drv/cdmf.c:1131:[Function:cdplay]:   fscanf
    drv/cdmf.c:1138:[Function:cdplay]:   fscanf
    drv/cdmf.c:1149:[Function:cdplay]:   fscanf
    drv/cdmf.c:1157:[Function:cdplay]:   fscanf
    drv/cdmf.c:1170:[Function:cdplay]:   fscanf
    drv/cdmf.c:1176:[Function:cdplay]:   fscanf
    drv/cdmf.c:1184:[Function:cdplay]:   fscanf
    drv/cdmf.c:1192:[Function:cdplay]:   fscanf
    drv/cdmf.c:1196:[Function:cdplay]:   fscanf
    drv/cdmf.c:1200:[Function:cdplay]:   fscanf
    drv/cdmf.c:1204:[Function:cdplay]:   fscanf
    drv/cdmf.c:1208:[Function:cdplay]:   fscanf
    drv/cdmf.c:1212:[Function:cdplay]:   fscanf
    drv/cdmf.c:1216:[Function:cdplay]:   fscanf
    drv/cdmf.c:1220:[Function:cdplay]:   fscanf
    drv/cdmf.c:1224:[Function:cdplay]:   fscanf
    drv/cdmf.c:1228:[Function:cdplay]:   fscanf
    drv/cdmf.c:1232:[Function:cdplay]:   fscanf
    drv/cdmf.c:1236:[Function:cdplay]:   fscanf
    drv/cdmf.c:1240:[Function:cdplay]:   fscanf
    drv/cdmf.c:1244:[Function:cdplay]:   fscanf
    drv/cdmf.c:1248:[Function:cdplay]:   fscanf
    gdk/cdgdkclp.c:40:[Function:cdkillcanvas]:   fread


statement with no effect [-Wunused-value]:
    minizip/zip.c:1070:[Function:zipOpenNewFileInZip4_64]: 
        (crcForCrypting);


variable <VAR> set but not used [-Wunused-but-set-variable]:
    pdflib/pdflib/p_afm.c:540:[Function:pdf_process_metrics_data]:   nalloc
    pdflib/pdflib/p_cid.c:44:[Function:pdf_handle_cidfont]:   isstdfont
    pdflib/pdflib/p_color.c:477:[Function:pdf_init_colorspaces]:   slot
    pdflib/pdflib/p_color.c:624:[Function:pdf_write_colormap]:   base
    pdflib/pdflib/p_document.c:1924:[Function:pdf__end_document]:   doc
    pdflib/pdflib/p_params.c:571:[Function:pdf__set_value]:   ppt
    pdflib/pdflib/p_template.c:101:[Function:pdf__begin_template]:   verbose
    pdflib/pdflib/p_text.c:2587:[Function:pdf_fit_textline_internal]:   
hasfitbox
    pdflib/pdflib/p_truetype.c:39:[Function:pdf_get_metrics_tt]:   ev
    pdflib/pdflib/p_truetype.c:34:[Function:pdf_get_metrics_tt]:   kbfilesize
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