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#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
int main(int argc, char *argv[]) {
long i, num;
size_t count = 0, total = 0, size;
int offset = 3, toread = 1, toskip = 3;
uint32_t value;
uint32_t *buf;
uint32_t expected = 0;
uint32_t blocks = 0, status_good = 0;
char fixed[4096];
struct stat st_buf;
if ((argc != 2)&&(argc != 5)) {
printf("Usage: %s <file> [offset_dwords read_dwords skip_dwords] \n", argv[0]);
exit(0);
}
FILE *f = fopen(argv[1], "r");
if (!f) {
printf("Can't open %s\n", argv[1]);
exit(1);
}
stat(argv[1], &st_buf);
size = st_buf.st_size / sizeof(uint32_t);
buf = malloc(size * sizeof(uint32_t));
if (!buf) {
printf("Can't allocate %lu bytes of memory\n", size * sizeof(uint32_t));
exit(1);
}
if (argc == 5) {
offset = atoi(argv[2]);
toread = atoi(argv[3]);
toskip = atoi(argv[4]);
}
num = fread(buf, 4, size, f);
if (num != size) {
printf("Failed to read %lu dwords, only %lu read\n", size, num);
exit(1);
}
fclose(f);
sprintf(fixed, "%s.fixed", argv[1]);
f = fopen(fixed, "w");
if (!f) {
printf("Failed to open %s for output\n", fixed);
exit(1);
}
expected = (buf[offset]>>24) + 2;
for (i = 1; i < size; i += (toread + toskip)) {
total++;
value = buf[i + offset] >> 24;
// printf("0x%lx: value (%lx) = expected (%lx)\n", i + offset, value, expected);
if (value == expected) {
if (!status_good) {
status_good = 1;
blocks++;
}
fwrite(&buf[i], 4, toread + toskip, f);
expected += 2;
if (expected == 0xb8)
expected = 0;
} else if ((!status_good)&&(value == 0)&&((i + toread + toskip)< size)) {
value = buf[i + offset + toread + toskip] >> 24;
if (value == 2) {
status_good = 1;
blocks++;
fwrite(&buf[i], 4, toread + toskip, f);
expected = 2;
} else {
count++;
}
} else {
printf("0x%lx: value (%x) = expected (%x)\n", (i + offset)*sizeof(uint32_t), value, expected);
status_good = 0;
count++;
}
}
fclose(f);
free(buf);
printf("%lu of %lu is wrong\n", count, total);
return 0;
}
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