Initial import

git-svn-id: http://moon:8086/svn/software/trunk/libsrc/libtiff_2007@1 b431acfa-c32f-4a4a-93f1-934dc6c82436
2014-07-19 07:44:42 +00:00
commit f81ae811ca
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+/* $Header: /home/cvsroot/libtiff/libtiff/tif_win3.c,v 1.1.1.1 2000/06/24 19:10:16 tshead Exp $ */
+
+/*
+ * Copyright (c) 1988-1997 Sam Leffler
+ * Copyright (c) 1991-1997 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and 
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the names of
+ * Sam Leffler and Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Sam Leffler and Silicon Graphics.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+ * 
+ * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
+ * OF THIS SOFTWARE.
+ */
+
+/*
+ * TIFF Library Windows 3.x-specific Routines.
+ */
+#include "tiffiop.h"
+#if defined(__WATCOMC__) || defined(__BORLANDC__) || defined(_MSC_VER)
+#include <io.h>		/* for open, close, etc. function prototypes */
+#endif
+
+#include <windows.h>
+#include <windowsx.h>
+#include <memory.h>
+
+static tsize_t 
+_tiffReadProc(thandle_t fd, tdata_t buf, tsize_t size)
+{
+	return (_hread(fd, buf, size));
+}
+
+static tsize_t
+_tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size)
+{
+	return (_hwrite(fd, buf, size));
+}
+
+static toff_t
+_tiffSeekProc(thandle_t fd, toff_t off, int whence)
+{
+	return (_llseek(fd, (off_t) off, whence));
+}
+
+static int
+_tiffCloseProc(thandle_t fd)
+{
+	return (_lclose(fd));
+}
+
+#include <sys/stat.h>
+
+static toff_t
+_tiffSizeProc(thandle_t fd)
+{
+	struct stat sb;
+	return (fstat((int) fd, &sb) < 0 ? 0 : sb.st_size);
+}
+
+static int
+_tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
+{
+	return (0);
+}
+
+static void
+_tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)
+{
+}
+
+/*
+ * Open a TIFF file descriptor for read/writing.
+ */
+TIFF*
+TIFFFdOpen(int fd, const char* name, const char* mode)
+{
+	TIFF* tif;
+
+	tif = TIFFClientOpen(name, mode,
+	    (thandle_t) fd,
+	    _tiffReadProc, _tiffWriteProc, _tiffSeekProc, _tiffCloseProc,
+	    _tiffSizeProc, _tiffMapProc, _tiffUnmapProc);
+	if (tif)
+		tif->tif_fd = fd;
+	return (tif);
+}
+
+/*
+ * Open a TIFF file for read/writing.
+ */
+TIFF*
+TIFFOpen(const char* name, const char* mode)
+{
+	static const char module[] = "TIFFOpen";
+	int m, fd;
+	OFSTRUCT of;
+	int mm = 0;
+
+	m = _TIFFgetMode(mode, module);
+	if (m == -1)
+		return ((TIFF*)0);
+	if (m & O_CREAT) {
+		if ((m & O_TRUNC) || OpenFile(name, &of, OF_EXIST) != HFILE_ERROR)
+			mm |= OF_CREATE;
+	}
+	if (m & O_WRONLY)
+		mm |= OF_WRITE;
+	if (m & O_RDWR)
+		mm |= OF_READWRITE;
+	fd = OpenFile(name, &of, mm);
+	if (fd < 0) {
+		TIFFError(module, "%s: Cannot open", name);
+		return ((TIFF*)0);
+	}
+	return (TIFFFdOpen(fd, name, mode));
+}
+
+tdata_t
+_TIFFmalloc(tsize_t s)
+{
+	return (tdata_t) GlobalAllocPtr(GHND, (DWORD) s);
+}
+
+void
+_TIFFfree(tdata_t p)
+{
+	GlobalFreePtr(p);
+}
+
+tdata_t
+_TIFFrealloc(tdata_t p, tsize_t s)
+{
+	return (tdata_t) GlobalReAllocPtr(p, (DWORD) s, GHND);
+}
+
+void
+_TIFFmemset(tdata_t p, int v, tsize_t c)
+{
+	char* pp = (char*) p;
+
+	while (c > 0) {
+		tsize_t chunk = 0x10000 - ((uint32) pp & 0xffff);/* What's left in segment */
+		if (chunk > 0xff00)				/* No more than 0xff00 */
+			chunk = 0xff00;
+		if (chunk > c)					/* No more than needed */
+			chunk = c;
+		memset(pp, v, chunk);
+		pp = (char*) (chunk + (char huge*) pp);
+		c -= chunk;
+	}
+}
+
+void
+_TIFFmemcpy(tdata_t d, const tdata_t s, tsize_t c)
+{
+	if (c > 0xFFFF)
+		hmemcpy((void _huge*) d, (void _huge*) s, c);
+	else
+		(void) memcpy(d, s, (size_t) c);
+}
+
+int
+_TIFFmemcmp(const tdata_t d, const tdata_t s, tsize_t c)
+{
+	char* dd = (char*) d;
+	char* ss = (char*) s;
+	tsize_t chunks, chunkd, chunk;
+	int result;
+
+	while (c > 0) {
+		chunks = 0x10000 - ((uint32) ss & 0xffff);	/* What's left in segment */
+		chunkd = 0x10000 - ((uint32) dd & 0xffff);	/* What's left in segment */
+		chunk = c;					/* Get the largest of     */
+		if (chunk > chunks)				/*   c, chunks, chunkd,   */
+			chunk = chunks;				/*   0xff00               */
+		if (chunk > chunkd)
+			chunk = chunkd;
+		if (chunk > 0xff00)
+			chunk = 0xff00;
+		result = memcmp(dd, ss, chunk);
+		if (result != 0)
+			return (result);
+		dd = (char*) (chunk + (char huge*) dd);
+		ss = (char*) (chunk + (char huge*) ss);
+		c -= chunk;
+	}
+	return (0);
+}
+
+static void
+win3WarningHandler(const char* module, const char* fmt, va_list ap)
+{
+	char e[512] = { '\0' };
+	if (module != NULL)
+		strcat(strcpy(e, module), ":");
+	vsprintf(e+strlen(e), fmt, ap);
+	strcat(e, ".");
+	MessageBox(GetActiveWindow(), e, "LibTIFF Warning",
+	    MB_OK|MB_ICONEXCLAMATION);
+}
+TIFFErrorHandler _TIFFwarningHandler = win3WarningHandler;
+
+static void
+win3ErrorHandler(const char* module, const char* fmt, va_list ap)
+{
+	char e[512] = { '\0' };
+	if (module != NULL)
+		strcat(strcpy(e, module), ":");
+	vsprintf(e+strlen(e), fmt, ap);
+	strcat(e, ".");
+	MessageBox(GetActiveWindow(), e, "LibTIFF Error", MB_OK|MB_ICONSTOP);
+}
+TIFFErrorHandler _TIFFerrorHandler = win3ErrorHandler;