| 1 | #define _LARGEFILE_SOURCE |
| 2 | #define _FILE_OFFSET_BITS 64 |
| 3 | |
| 4 | #include <sys/types.h> |
| 5 | #include <sys/stat.h> |
| 6 | #include <fcntl.h> |
| 7 | #include <unistd.h> |
| 8 | |
| 9 | #include <stdio.h> |
| 10 | #include <stdlib.h> |
| 11 | #include <string.h> |
| 12 | |
| 13 | int main(int argc, char **argv) |
| 14 | { |
| 15 | int result; |
| 16 | FILE *fp; |
| 17 | int print = 0; |
| 18 | int i; |
| 19 | char *filename = NULL; |
| 20 | |
| 21 | if(argc > 1) { |
| 22 | for(i=1; i<argc; i++) { |
| 23 | if(!strcmp(argv[i], "-p")) { |
| 24 | print = 1; |
| 25 | } |
| 26 | else { |
| 27 | filename = argv[i]; |
| 28 | } |
| 29 | } |
| 30 | } |
| 31 | |
| 32 | if(filename == NULL) { |
| 33 | fprintf(stderr, "No trace file specified\n"); |
| 34 | return 1; |
| 35 | } |
| 36 | |
| 37 | fp = fopen(filename, "r"); |
| 38 | if(fp == NULL) { |
| 39 | perror("fopen"); |
| 40 | return 1; |
| 41 | } |
| 42 | |
| 43 | while(1) { |
| 44 | unsigned long timestamp; |
| 45 | unsigned short id; |
| 46 | unsigned char arglen; |
| 47 | char *args; |
| 48 | |
| 49 | fscanf(fp, "%4c", ×tamp); |
| 50 | if(feof(fp)) |
| 51 | break; |
| 52 | |
| 53 | fscanf(fp, "%2c", &id); |
| 54 | |
| 55 | fscanf(fp, "%1c", &arglen); |
| 56 | |
| 57 | args = malloc(arglen); |
| 58 | |
| 59 | // manually specify length of args |
| 60 | fscanf(fp, "%15c", args); |
| 61 | |
| 62 | unsigned short arg1; |
| 63 | char *arg2; |
| 64 | |
| 65 | arg1 = *(unsigned short *)args; |
| 66 | arg2 = args+2; |
| 67 | |
| 68 | if(print) |
| 69 | printf("timestamp %lu id %hu args=(arg1=%hu arg2=\"%s\")\n", timestamp, id, arg1, arg2); |
| 70 | |
| 71 | free(args); |
| 72 | |
| 73 | } |
| 74 | fclose(fp); |
| 75 | |
| 76 | return 0; |
| 77 | } |