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@@ -0,0 +1,67 @@ |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <fcntl.h> |
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#include <unistd.h> |
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#include <string.h> |
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#include "common.h" |
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/* Push specified file to specified device blk device, starting from blkno |
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* and upwards. |
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*/ |
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int main(int argc, char **argv) |
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{ |
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if (argc != 4) { |
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fprintf(stderr, "Usage: ./blkup device blkno fname\n"); |
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return 1; |
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} |
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unsigned int blkno = strtol(argv[2], NULL, 10); |
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FILE *fp = fopen(argv[3], "r"); |
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if (!fp) { |
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fprintf(stderr, "Can't open %s.\n", argv[3]); |
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return 1; |
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} |
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int fd = open(argv[1], O_RDWR|O_NOCTTY|O_SYNC); |
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if (fd < 0) { |
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fprintf(stderr, "Could not open %s\n", argv[1]); |
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return 1; |
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} |
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set_interface_attribs(fd, 0, 0); |
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set_blocking(fd, 1); |
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char s[0x40]; |
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char buf[1024] = {0}; |
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sendcmdp(fd, ": _ 1024 0 DO KEY DUP .x I BLK( + C! LOOP ;"); |
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int returncode = 0; |
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while (fread(buf, 1, 1024, fp)) { |
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sendcmd(fd, "_"); |
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for (int i=0; i<1024; i++) { |
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putchar('.'); |
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fflush(stdout); |
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write(fd, &buf[i], 1); |
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usleep(1000); // let it breathe |
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mread(fd, s, 2); // read hex pair |
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s[2] = 0; // null terminate |
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unsigned char c = strtol(s, NULL, 16); |
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if (c != buf[i]) { |
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// mismatch! |
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fprintf(stderr, "Mismatch at bno %d (%d) %d != %d.\n", blkno, i, buf[i], c); |
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// we don't exit now because we need to "consume" our whole program. |
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returncode = 1; |
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} |
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usleep(1000); // let it breathe |
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} |
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readprompt(fd); |
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if (returncode) break; |
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memset(buf, 0, 1024); |
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sprintf(s, "%d BLK> ! BLK!", blkno); |
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sendcmdp(fd, s); |
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blkno++; |
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} |
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sendcmdp(fd, "FORGET _"); |
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printf("Done!\n"); |
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fclose(fp); |
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return returncode; |
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} |
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