XEmacs 21.2.38 (Peisino)

[chise/xemacs-chise.git.1] / src / dgif_lib.c

diff --git a/src/dgif_lib.c b/src/dgif_lib.c
index d56832d..1d08478 100644 (file)
--- a/src/dgif_lib.c
+++ b/src/dgif_lib.c
@@ -11,23 +11,10 @@
 * 19 Feb 98 - Version 1.2 by Jareth Hein (Support for user specified I/O)     *
 ******************************************************************************/
 
-#ifdef __MSDOS__
-#include <io.h>
-#include <alloc.h>
-#include <stdlib.h>
-#include <sys\stat.h>
-#else
-#include <sys/types.h>
-#include <sys/stat.h>
-#endif /* __MSDOS__ */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#include <config.h>
+#include "lisp.h"
 
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
+#include "sysfile.h"
 
 #include "gifrlib.h"
 
@@ -52,11 +39,11 @@ void DGifOpenFileName(GifFileType *GifFile, const char *FileName)
     FILE *f;
 
     if ((f = fopen(FileName, 
-#ifdef __MSDOS__
+#ifdef WIN32_NATIVE
                             "rb"
 #else
                             "r"
-#endif /* __MSDOS__ */
+#endif /* WIN32_NATIVE */
                                             )) == NULL)
        GifInternError(GifFile, D_GIF_ERR_OPEN_FAILED);
 
@@ -73,13 +60,13 @@ void DGifOpenFileHandle(GifFileType *GifFile, int FileHandle)
 {
     FILE *f;
 
-#ifdef __MSDOS__
+#ifdef WIN32_NATIVE
     setmode(FileHandle, O_BINARY);       /* Make sure it is in binary mode. */
     f = fdopen(FileHandle, "rb");                 /* Make it into a stream: */
     setvbuf(f, NULL, _IOFBF, GIF_FILE_BUFFER_SIZE);/* And inc. stream buffer.*/
 #else
     f = fdopen(FileHandle, "r");                  /* Make it into a stream: */
-#endif /* __MSDOS__ */
+#endif /* WIN32_NATIVE */
 
     GifStdIOInit(GifFile, f, -1);
     DGifInitRead(GifFile);
@@ -110,9 +97,9 @@ void DGifInitRead(GifFileType *GifFile)
     /* The GIF Version number is ignored at this time. Maybe we should do    */
     /* something more useful with it.                                       */
     Buf[GIF_STAMP_LEN] = 0;
-    if (strncmp(GIF_STAMP, Buf, GIF_VERSION_POS) != 0) {
+    if (strncmp(GIF_STAMP, (const char *) Buf, GIF_VERSION_POS) != 0) {
        GifInternError(GifFile, D_GIF_ERR_NOT_GIF_FILE);
-    }
+      }
 
     DGifGetScreenDesc(GifFile);
 }
@@ -249,7 +236,7 @@ void DGifGetImageDesc(GifFileType *GifFile)
              MakeMapObject (GifFile->Image.ColorMap->ColorCount,
                             GifFile->Image.ColorMap->Colors);
          }
-       sp->RasterBits = (GifPixelType *)NULL;
+       sp->RasterBits = NULL;
        sp->ExtensionBlockCount = 0;
        sp->ExtensionBlocks = (ExtensionBlock *)NULL;
     }
@@ -277,11 +264,11 @@ void DGifGetLine(GifFileType *GifFile, GifPixelType *Line, int LineLen)
 
     if (!LineLen) LineLen = GifFile->Image.Width;
 
-#if defined(__MSDOS__) || defined(__GNUC__)
+#if defined(WIN32_NATIVE) || defined(__GNUC__)
     if ((Private->PixelCount -= LineLen) > 0xffff0000UL)
 #else
     if ((Private->PixelCount -= LineLen) > 0xffff0000)
-#endif /* __MSDOS__ */
+#endif /* WIN32_NATIVE */
     {    
        GifInternError(GifFile, D_GIF_ERR_DATA_TOO_BIG);
     }
@@ -310,11 +297,11 @@ void DGifGetPixel(GifFileType *GifFile, GifPixelType Pixel)
        GifInternError(GifFile, D_GIF_ERR_NOT_READABLE);
     }
 
-#if defined(__MSDOS__) || defined(__GNUC__)
+#if defined(WIN32_NATIVE) || defined(__GNUC__)
     if (--Private->PixelCount > 0xffff0000UL)
 #else
     if (--Private->PixelCount > 0xffff0000)
-#endif /* __MSDOS__ */
+#endif /* WIN32_NATIVE */
     {
        GifInternError(GifFile, D_GIF_ERR_DATA_TOO_BIG);
     }
@@ -745,7 +732,7 @@ void DGifSlurp(GifFileType *GifFile)
                ImageSize = sp->ImageDesc.Width * sp->ImageDesc.Height;
 
                sp->RasterBits
-                   = (GifPixelType*) malloc(ImageSize * sizeof(GifPixelType));
+                   = (GifPixelType*) malloc (ImageSize * sizeof(GifPixelType));
 
                DGifGetLine(GifFile, sp->RasterBits, ImageSize);
                break;
@@ -856,7 +843,7 @@ SavedImage *MakeSavedImage(GifFileType *GifFile, SavedImage *CopyFrom)
                                  CopyFrom->ImageDesc.ColorMap->Colors);
 
            /* next, the raster */
-           sp->RasterBits = (char *)malloc(sizeof(GifPixelType)
+           sp->RasterBits = (GifPixelType *) malloc(sizeof(GifPixelType)
                                * CopyFrom->ImageDesc.Height
                                * CopyFrom->ImageDesc.Width);
            memcpy(sp->RasterBits,
@@ -911,7 +898,7 @@ void FreeSavedImages(GifFileType *GifFile)
 * Miscellaneous utility functions                                            *
 ******************************************************************************/
 
-int BitSize(int n)
+static int BitSize(int n)
 /* return smallest bitfield size n will fit in */
 {
     register   int i;