39 lines
848 B
C
39 lines
848 B
C
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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int main(int argc, char **argv) {
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if(argc!=3) {
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fprintf(stderr, "Usage: %s <bootimg> <android|spl>\n", argv[0]);
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exit(-1);
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}
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int fd = open(argv[1], O_RDONLY);
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lseek(fd, 11*4, SEEK_SET);
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uint32_t val = 0;
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read(fd, &val, sizeof(val));
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int android = val >> 11;
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int a = android >> 14;
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int b = (android >> 7) & 0x7f;
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int c = android & 0x7f;
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int spl = val & 0x7ff;
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int y = 2000 + (spl >> 4);
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int m = spl & 0xf;
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fprintf(stderr, "Android: %d.%d.%d\n", a, b, c);
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fprintf(stderr, "SPL: %d-%d-01\n", y, m);
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if(strcmp(argv[2], "android") == 0) {
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printf("%d.%d.%d", a, b, c);
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} else if(strcmp(argv[2], "spl") == 0) {
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printf("%04d-%02d-%02d", y, m, 1);
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}
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return 0;
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}
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