#define MAX(a,b) ((a)>(b)?(a):(b))
// zlib configuration
-#define COMPRESS_LEVEL 9 // use best possible compression
-#define COMPRESS_WINDOW_BITS 15 // default = max = 15 for a window of 2^15 = 32KBytes
-#define COMPRESS_MEM_LEVEL 9 // determines the amount of memory allocated during compression. Default = 8.
+#define COMPRESS_LEVEL 9 // use best possible compression
+#define COMPRESS_WINDOW_BITS 15 // default = max = 15 for a window of 2^15 = 32KBytes
+#define COMPRESS_MEM_LEVEL 9 // determines the amount of memory allocated during compression. Default = 8.
/* COMPRESS_STRATEGY can be
Z_DEFAULT_STRATEGY (the default),
Z_FILTERED (more huffmann, less string matching),
Z_HUFFMAN_ONLY (huffman only, no string matching)
Z_RLE (distances limited to one)
Z_FIXED (prevents the use of dynamic Huffman codes)
-*/
-#define COMPRESS_STRATEGY Z_DEFAULT_STRATEGY
+*/
+
+#define COMPRESS_STRATEGY Z_DEFAULT_STRATEGY
// zlib tuning parameters:
-#define COMPRESS_GOOD_LENGTH 258
-#define COMPRESS_MAX_LAZY 258
-#define COMPRESS_MAX_NICE_LENGTH 258
-#define COMPRESS_MAX_CHAIN 8192
+#define COMPRESS_GOOD_LENGTH 258
+#define COMPRESS_MAX_LAZY 258
+#define COMPRESS_MAX_NICE_LENGTH 258
+#define COMPRESS_MAX_CHAIN 8192
-#define FPGA_INTERLEAVE_SIZE 288 // (the FPGA's internal config frame size is 288 bits. Interleaving with 288 bytes should give best compression)
-#define FPGA_CONFIG_SIZE 42336 // our current fpga_[lh]f.bit files are 42175 bytes. Rounded up to next multiple of FPGA_INTERLEAVE_SIZE
+#define FPGA_INTERLEAVE_SIZE 288 // (the FPGA's internal config frame size is 288 bits. Interleaving with 288 bytes should give best compression)
+#define FPGA_CONFIG_SIZE 42336 // our current fpga_[lh]f.bit files are 42175 bytes. Rounded up to next multiple of FPGA_INTERLEAVE_SIZE
static void usage(void)
{
{
uint8_t *fpga_config;
uint32_t i;
- int ret;
- uint8_t c;
+ int32_t ret;
+ uint8_t c;
z_stream compressed_fpga_stream;
fpga_config = malloc(num_infiles * FPGA_CONFIG_SIZE);
// read the input files. Interleave them into fpga_config[]
i = 0;
do {
+
+ if (i >= num_infiles * FPGA_CONFIG_SIZE) {
+ fprintf(stderr, "Input files too big (total > %u bytes). These are probably not PM3 FPGA config files.\n", num_infiles*FPGA_CONFIG_SIZE);
+ for(uint16_t j = 0; j < num_infiles; j++) {
+ fclose(infile[j]);
+ }
+ free(fpga_config);
+ return(EXIT_FAILURE);
+ }
+
for(uint16_t j = 0; j < num_infiles; j++) {
for(uint16_t k = 0; k < FPGA_INTERLEAVE_SIZE; k++) {
c = fgetc(infile[j]);
}
}
- if (i > num_infiles * FPGA_CONFIG_SIZE) {
- fprintf(stderr, "Input files too big (total of %ld > %d bytes). These are probably not PM3 FPGA config files.", i, num_infiles*FPGA_CONFIG_SIZE);
- for(uint16_t j = 0; j < num_infiles; j++) {
- fclose(infile[j]);
- }
- return -1;
- }
} while (!all_feof(infile, num_infiles));
// initialize zlib structures
compressed_fpga_stream.avail_in = i;
compressed_fpga_stream.zalloc = fpga_deflate_malloc;
compressed_fpga_stream.zfree = fpga_deflate_free;
-
+ compressed_fpga_stream.opaque = Z_NULL;
ret = deflateInit2(&compressed_fpga_stream,
COMPRESS_LEVEL,
Z_DEFLATED,
COMPRESS_STRATEGY);
// estimate the size of the compressed output
- unsigned int outsize_max = deflateBound(&compressed_fpga_stream, compressed_fpga_stream.avail_in);
+ uint32_t outsize_max = deflateBound(&compressed_fpga_stream, compressed_fpga_stream.avail_in);
uint8_t *outbuf = malloc(outsize_max);
compressed_fpga_stream.next_out = outbuf;
compressed_fpga_stream.avail_out = outsize_max;
-
+
if (ret == Z_OK) {
ret = deflateTune(&compressed_fpga_stream,
COMPRESS_GOOD_LENGTH,
ret = deflate(&compressed_fpga_stream, Z_FINISH);
}
- fprintf(stderr, "compressed %d input bytes to %d output bytes\n", i, compressed_fpga_stream.total_out);
+ fprintf(stderr, "compressed %u input bytes to %lu output bytes\n", i, compressed_fpga_stream.total_out);
if (ret != Z_STREAM_END) {
- fprintf(stderr, "Error in deflate(): %d %s\n", ret, compressed_fpga_stream.msg);
+ fprintf(stderr, "Error in deflate(): %i %s\n", ret, compressed_fpga_stream.msg);
free(outbuf);
deflateEnd(&compressed_fpga_stream);
for(uint16_t j = 0; j < num_infiles; j++) {
fclose(outfile);
free(infile);
free(fpga_config);
- return -1;
+ return(EXIT_FAILURE);
}
for (i = 0; i < compressed_fpga_stream.total_out; i++) {
free(infile);
free(fpga_config);
- return 0;
+ return(EXIT_SUCCESS);
}
#define DECOMPRESS_BUF_SIZE 1024
uint8_t outbuf[DECOMPRESS_BUF_SIZE];
uint8_t inbuf[DECOMPRESS_BUF_SIZE];
- int ret;
+ int32_t ret;
z_stream compressed_fpga_stream;
compressed_fpga_stream.avail_out = DECOMPRESS_BUF_SIZE;
compressed_fpga_stream.zalloc = fpga_deflate_malloc;
compressed_fpga_stream.zfree = fpga_deflate_free;
+ compressed_fpga_stream.opaque = Z_NULL;
ret = inflateInit2(&compressed_fpga_stream, 0);
compressed_fpga_stream.next_in = inbuf;
uint16_t i = 0;
do {
- uint8_t c = fgetc(infile);
+ int32_t c = fgetc(infile);
if (!feof(infile)) {
- inbuf[i++] = c;
+ inbuf[i++] = c & 0xFF;
compressed_fpga_stream.avail_in++;
} else {
break;
}
fclose(outfile);
fclose(infile);
- return 0;
+ return(EXIT_SUCCESS);
} else {
- fprintf(stderr, "Error. Inflate() returned error %d, %s", ret, compressed_fpga_stream.msg);
+ fprintf(stderr, "Error. Inflate() returned error %i, %s", ret, compressed_fpga_stream.msg);
fclose(outfile);
fclose(infile);
- return -1;
+ return(EXIT_FAILURE);
}
}
if (argc == 1 || argc == 2) {
usage();
- return -1;
+ return(EXIT_FAILURE);
}
- if (!strcmp(argv[1], "-d")) { // Decompress
+ if (!strcmp(argv[1], "-d")) { // Decompress
infiles = calloc(1, sizeof(FILE*));
if (argc != 4) {
usage();
- return -1;
+ return(EXIT_FAILURE);
}
infiles[0] = fopen(argv[2], "rb");
if (infiles[0] == NULL) {
fprintf(stderr, "Error. Cannot open input file %s", argv[2]);
- return -1;
+ return(EXIT_FAILURE);
}
outfile = fopen(argv[3], "wb");
if (outfile == NULL) {
fprintf(stderr, "Error. Cannot open output file %s", argv[3]);
- return -1;
+ return(EXIT_FAILURE);
}
return zlib_decompress(infiles[0], outfile);
- } else { // Compress
+ } else { // Compress
infiles = calloc(argc-2, sizeof(FILE*));
for (uint16_t i = 0; i < argc-2; i++) {
infiles[i] = fopen(argv[i+1], "rb");
if (infiles[i] == NULL) {
fprintf(stderr, "Error. Cannot open input file %s", argv[i+1]);
- return -1;
+ return(EXIT_FAILURE);
}
}
outfile = fopen(argv[argc-1], "wb");
if (outfile == NULL) {
fprintf(stderr, "Error. Cannot open output file %s", argv[argc-1]);
- return -1;
+ return(EXIT_FAILURE);
}
return zlib_compress(infiles, argc-2, outfile);
}