28 lines
595 B
C
28 lines
595 B
C
#include <libcbd.h>
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#include <cbdutil.h>
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int
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cbd_stats(const char* dev, struct cbd_stats* stats)
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{
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int fd;
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uint8_t buf[PBLK_SIZE];
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struct cbd_header header;
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fd = open(dev, O_RDONLY);
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if (fd < 0) {
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error("Cannot open device\n");
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}
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if (read(fd, buf, sizeof(buf)) != sizeof(buf)) {
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error("Cannot read device\n");
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}
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close(fd);
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cbd_header_get(buf, &header);
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if (memcmp(header.magic, CBD_MAGIC, sizeof(header.magic)) != 0) {
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error("Bad magic\n");
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}
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memcpy(stats, &header.stats, sizeof(struct cbd_stats));
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return 0;
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}
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