Check the space allocation results.
This commit is contained in:
Andrey Kiselev
parent
fc2fea250f
commit
0244fc4839
120
tools/bmp2tiff.c
120
tools/bmp2tiff.c
@ -1,4 +1,4 @@
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/* $Id: bmp2tiff.c,v 1.8 2004-09-21 12:16:51 dron Exp $
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/* $Id: bmp2tiff.c,v 1.9 2004-10-10 12:33:18 dron Exp $
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*
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* Project: libtiff tools
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* Purpose: Convert Windows BMP files in TIFF.
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@ -144,9 +144,10 @@ typedef struct
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* the size of the JPEG or PNG image buffer. */
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int32 iXPelsPerMeter; /* X resolution, pixels per meter (0 if not used) */
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int32 iYPelsPerMeter; /* Y resolution, pixels per meter (0 if not used) */
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int32 iClrUsed; /* Size of colour table. If 0, iBitCount should
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uint32 iClrUsed; /* Size of colour table. If 0, iBitCount should
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* be used to calculate this value
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* (1<<iBitCount) */
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* (1<<iBitCount). This value should be
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* unsigned for proper shifting. */
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int32 iClrImportant; /* Number of important colours. If 0, all
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* colours are required */
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@ -213,8 +214,8 @@ main(int argc, char* argv[])
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uint16 photometric = PHOTOMETRIC_MINISBLACK;
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FILE *in;
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struct stat instat;
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char *outfilename = NULL;
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TIFF *out;
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char *outfilename = NULL, *infilename = NULL;
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TIFF *out = NULL;
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BMPFileHeader file_hdr;
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BMPInfoHeader info_hdr;
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@ -250,19 +251,17 @@ main(int argc, char* argv[])
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if (argc - optind < 2)
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usage();
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in = fopen(argv[optind], "rb");
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infilename = argv[optind];
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in = fopen(infilename, "rb");
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if (in == NULL) {
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fprintf(stderr, "%s: %s: Cannot open input file.\n",
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argv[0], argv[optind]);
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TIFFError(infilename, "Cannot open input file");
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return -1;
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}
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fread(file_hdr.bType, 1, 2, in);
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if(file_hdr.bType[0] != 'B' || file_hdr.bType[1] != 'M') {
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fprintf(stderr, "%s: %s: File is not BMP.\n",
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argv[0], argv[optind]);
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fclose(in);
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return 0;
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TIFFError(infilename, "File is not BMP");
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goto bad;
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}
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/* -------------------------------------------------------------------- */
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@ -359,9 +358,8 @@ main(int argc, char* argv[])
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if (info_hdr.iBitCount != 1 && info_hdr.iBitCount != 4 &&
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info_hdr.iBitCount != 8 && info_hdr.iBitCount != 16 &&
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info_hdr.iBitCount != 24 && info_hdr.iBitCount != 32) {
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fprintf(stderr,
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"%s: %s: Cannot process BMP file with bit count %d.\n",
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argv[0], argv[optind], info_hdr.iBitCount);
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TIFFError(infilename, "Cannot process BMP file with bit count %d",
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info_hdr.iBitCount);
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fclose(in);
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return 0;
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}
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@ -385,16 +383,39 @@ main(int argc, char* argv[])
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clr_tbl_size = 1 << depth;
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clr_tbl = (unsigned char *)
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_TIFFmalloc(n_clr_elems * clr_tbl_size);
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if (!clr_tbl) {
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TIFFError(infilename,
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"Can't allocate space for color table");
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goto bad;
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}
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fseek(in, BFH_SIZE + info_hdr.iSize, SEEK_SET);
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fread(clr_tbl, n_clr_elems, clr_tbl_size, in);
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red_tbl = (unsigned short*)
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_TIFFmalloc(1<<depth * sizeof(unsigned short));
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if (!red_tbl) {
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TIFFError(infilename,
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"Can't allocate space for red component table");
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_TIFFfree(clr_tbl);
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goto bad;
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}
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green_tbl = (unsigned short*)
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_TIFFmalloc(1<<depth * sizeof(unsigned short));
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if (!green_tbl) {
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TIFFError(infilename,
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"Can't allocate space for green component table");
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_TIFFfree(clr_tbl);
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goto bad2;
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}
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blue_tbl = (unsigned short*)
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_TIFFmalloc(1<<depth * sizeof(unsigned short));
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if (!blue_tbl) {
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TIFFError(infilename,
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"Can't allocate space for blue component table");
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_TIFFfree(clr_tbl);
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goto bad3;
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}
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for(clr = 0; clr < clr_tbl_size; clr++) {
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red_tbl[clr] = 257 * clr_tbl[clr*n_clr_elems+2];
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@ -427,11 +448,11 @@ main(int argc, char* argv[])
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outfilename = argv[optind+1];
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out = TIFFOpen(outfilename, "w");
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if (out == NULL) {
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fprintf(stderr, "%s: %s: Cannot open file for output.\n",
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argv[0], outfilename);
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fclose(in);
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return -1;
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TIFFError(infilename, "Cannot open file %s for output",
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outfilename);
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goto bad3;
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}
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TIFFSetField(out, TIFFTAG_IMAGEWIDTH, width);
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TIFFSetField(out, TIFFTAG_IMAGELENGTH, length);
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TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
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@ -473,6 +494,11 @@ main(int argc, char* argv[])
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size = ((width * info_hdr.iBitCount + 31) & ~31) / 8;
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scanbuf = (char *) _TIFFmalloc(size);
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if (!scanbuf) {
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TIFFError(infilename,
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"Can't allocate space for scanline buffer");
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goto bad3;
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}
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for (row = 0; row < length; row++) {
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if (info_hdr.iHeight > 0)
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@ -480,26 +506,23 @@ main(int argc, char* argv[])
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else
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offset = file_hdr.iOffBits + row * size;
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if (fseek(in, offset, SEEK_SET) == -1) {
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fprintf(stderr,
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"%s: %s: scanline %lu: Seek error.\n",
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argv[0], argv[optind],
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(unsigned long) row);
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TIFFError(infilename,
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"scanline %lu: Seek error",
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(unsigned long) row);
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}
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if (fread(scanbuf, size, 1, in) != 1) {
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fprintf(stderr,
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"%s: %s: scanline %lu: Read error.\n",
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argv[0], argv[optind],
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(unsigned long) row);
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TIFFError(infilename,
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"scanline %lu: Read error",
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(unsigned long) row);
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}
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rearrangePixels(scanbuf, width, info_hdr.iBitCount);
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if (TIFFWriteScanline(out, scanbuf, row, 0) < 0) {
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fprintf(stderr,
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"%s: %s: scanline %lu: Write error.\n",
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argv[0], outfilename,
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(unsigned long) row);
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TIFFError(infilename,
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"scanline %lu: Write error",
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(unsigned long) row);
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}
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}
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@ -519,7 +542,17 @@ main(int argc, char* argv[])
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compr_size = file_hdr.iSize - file_hdr.iOffBits;
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uncompr_size = width * length;
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comprbuf = (unsigned char *) _TIFFmalloc( compr_size );
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if (!comprbuf) {
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TIFFError(infilename,
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"Can't allocate space for compressed scanline buffer");
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goto bad3;
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}
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uncomprbuf = (unsigned char *) _TIFFmalloc( uncompr_size );
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if (!uncomprbuf) {
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TIFFError(infilename,
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"Can't allocate space for uncompressed scanline buffer");
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goto bad3;
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}
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fseek(in, file_hdr.iOffBits, SEEK_SET);
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fread(comprbuf, 1, compr_size, in);
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@ -605,24 +638,29 @@ main(int argc, char* argv[])
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for (row = 0; row < length; row++) {
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if (TIFFWriteScanline(out, uncomprbuf + (length - row - 1) * width, row, 0) < 0) {
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fprintf(stderr,
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"%s: %s: scanline %lu: Write error.\n",
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argv[0], outfilename,
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(unsigned long) row);
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TIFFError(infilename,
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"scanline %lu: Write error.\n",
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(unsigned long) row);
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}
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}
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_TIFFfree(uncomprbuf);
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}
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if (red_tbl && green_tbl && blue_tbl) {
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_TIFFfree(red_tbl);
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_TIFFfree(green_tbl);
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bad3:
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if (blue_tbl)
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_TIFFfree(blue_tbl);
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}
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bad2:
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if (green_tbl)
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_TIFFfree(green_tbl);
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bad1:
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if (red_tbl)
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_TIFFfree(red_tbl);
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bad:
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fclose(in);
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TIFFClose(out);
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if (out)
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TIFFClose(out);
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return 0;
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}
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