Eliminate compiler warnings

MagickCore/annotate.c

@@ -1077,7 +1077,7 @@ static size_t ComplexTextLayout(const Image *image,const DrawInfo *draw_info,
   raqm_glyph_t
     *glyphs;
 
-  register size_t
+  register ssize_t
     i;
 
   size_t
@@ -1161,12 +1161,11 @@ cleanup:
   ssize_t
     last_glyph;
 
-  magick_unreferenced(image);
-  magick_unreferenced(exception);
-
   /*
     Simple layout for bi-directional text (right-to-left or left-to-right).
   */
+  magick_unreferenced(image);
+  magick_unreferenced(exception);
   *grapheme=(GraphemeInfo *) AcquireQuantumMemory(length+1,sizeof(**grapheme));
   if (*grapheme == (GraphemeInfo *) NULL)
     return(0);

MagickCore/magick-type.h

@@ -181,7 +181,7 @@ typedef enum
 #  define IsNaN(a) ((a) != (a))
 #endif
 #if !defined(INFINITY)
-#  define INFINITY (-logf(0f))
+#  define INFINITY ((double) -logf(0f))
 #endif
 
 typedef struct _BlobInfo BlobInfo;

MagickCore/nt-base.c

@@ -1800,7 +1800,7 @@ MagickPrivate DIR *NTOpenDirectory(const char *path)
   if (length == 0)
     return((DIR *) NULL);
   if (wcsncat(file_specification,(const wchar_t*) DirectorySeparator,
-        MagickPathExtent-wcslen(file_specification)-1) == (wchar_t*) NULL)
+        MagickPathExtent-wcslen(file_specification)-1) == (wchar_t *) NULL)
     return((DIR *) NULL);
   entry=(DIR *) AcquireCriticalMemory(sizeof(DIR));
   entry->firsttime=TRUE;
@@ -1808,7 +1808,7 @@ MagickPrivate DIR *NTOpenDirectory(const char *path)
   if (entry->hSearch == INVALID_HANDLE_VALUE)
     {
       if(wcsncat(file_specification,L"*.*",
-        MagickPathExtent-wcslen(file_specification)-1) == (wchar_t*) NULL)
+        MagickPathExtent-wcslen(file_specification)-1) == (wchar_t *) NULL)
         {
           entry=(DIR *) RelinquishMagickMemory(entry);
           return((DIR *) NULL);

MagickCore/property.c

@@ -918,7 +918,7 @@ static MagickBooleanType GetEXIFProperty(const Image *image,
       tag;
 
     const char
-      description[35];
+      description[36];
   } TagInfo;
 
   static const TagInfo

MagickCore/threshold.c

@@ -562,8 +562,7 @@ static double OTSUThreshold(const Image *image,const double *histogram,
   return(100.0*threshold/MaxIntensity);
 }
 
-static double TriangleThreshold(const double *histogram,
-  ExceptionInfo *exception)
+static double TriangleThreshold(const double *histogram)
 {
   double
     a,
@@ -591,7 +590,6 @@ static double TriangleThreshold(const double *histogram,
   /*
     Compute optimal threshold with triangle algorithm.
   */
-  (void) exception;
   start=0;  /* find start bin, first bin not zero count */
   for (i=0; i <= (ssize_t) MaxIntensity; i++)
     if (histogram[i] > 0.0)
@@ -739,7 +737,7 @@ MagickExport MagickBooleanType AutoThresholdImage(Image *image,
     }
     case TriangleThresholdMethod:
     {
-      threshold=TriangleThreshold(histogram,exception);
+      threshold=TriangleThreshold(histogram);
       break;
     }
   }

coders/jpeg.c

@@ -2055,7 +2055,7 @@ static void WriteProfile(j_compress_ptr jpeg_info,Image *image,
         id=JPEG_APP0+StringToInteger(name+3);
         for (i=0; i < (ssize_t) length; i+=65533L)
            jpeg_write_marker(jpeg_info,id,GetStringInfoDatum(profile)+i,
-             MagickMin(length-i,65533));
+             (unsigned int) MagickMin(length-i,65533));
       }
     if (LocaleCompare(name,"EXIF") == 0)
       {

coders/mat.c

@@ -962,10 +962,10 @@ MATLAB_KO:
     }
 
   filepos = TellBlob(image);
-  while(filepos < GetBlobSize(image) && !EOFBlob(image)) /* object parser loop */
+  while(filepos < (MagickOffsetType) GetBlobSize(image) && !EOFBlob(image)) /* object parser loop */
   {
     Frames = 1;
-    if(filepos > GetBlobSize(image) || filepos < 0)
+    if(filepos > (MagickOffsetType) GetBlobSize(image) || filepos < 0)
       break;
     if(SeekBlob(image,filepos,SEEK_SET) != filepos) break;
     /* printf("pos=%X\n",TellBlob(image)); */
@@ -1283,7 +1283,7 @@ RestoreMSCWarning
               clone_info=DestroyImageInfo(clone_info);
             if (quantum_info != (QuantumInfo *) NULL)
               quantum_info=DestroyQuantumInfo(quantum_info);
-            BImgBuff=RelinquishMagickMemory(BImgBuff);
+            BImgBuff=(unsigned char *) RelinquishMagickMemory(BImgBuff);
             ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
           }
         if((CellType==miINT8 || CellType==miUINT8) && (MATLAB_HDR.StructureFlag & FLAG_LOGICAL))