89 lines
2.9 KiB
Plaintext
89 lines
2.9 KiB
Plaintext
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-: 0:Source:crashy.c
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-: 0:Graph:crashy.gcno
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-: 0:Data:crashy.gcda
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-: 0:Runs:9
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-: 0:Programs:1
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-: 1:#include <stdio.h>
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-: 2:#include <stdlib.h>
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-: 3:#include <string.h>
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-: 4:
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9: 5:int main(int argc, char *argv[]) {
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-: 6:
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-: 7: FILE *fp;
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-: 8: unsigned int sz, len, ptr;
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-: 9: char *buffer;
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-: 10: char type;
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-: 11: char tmp_char;
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-: 12: int tmp_int;
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-: 13: char *tmp_string;
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-: 14:
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9: 15: if(argc != 2) {
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1: 16: fprintf(stderr, "Usage: %s <inputfile>\n", argv[0]);
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1: 17: return 1;
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-: 18: }
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-: 19:
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8: 20: fp = fopen(argv[1], "r");
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8: 21: if(!fp) {
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1: 22: fprintf(stderr, "Failed to open '%s'\n", argv[1]);
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1: 23: return 1;
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-: 24: }
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-: 25:
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7: 26: fseek(fp, 0, SEEK_END);
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7: 27: sz = ftell(fp);
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7: 28: fseek(fp, 0, SEEK_SET);
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-: 29:
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7: 30: buffer = malloc(sz);
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7: 31: if(!buffer) {
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1: 32: fprintf(stderr, "Failed to allocate %d bytes of memory\n", sz);
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1: 33: return 1;
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-: 34: }
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-: 35:
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6: 36: fread(buffer, sizeof(char), sz, fp);
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-: 37:
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6: 38: ptr = 0;
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31: 39: while(ptr < sz) {
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-: 40:
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25: 41: type = buffer[ptr++];
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25: 42: switch(type) {
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-: 43:
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-: 44: case '\x01': // integer
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8: 45: tmp_int = *(int *)(buffer + ptr);
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8: 46: ptr += sizeof(int);
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8: 47: printf("i: 0x%08x\n", tmp_int);
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8: 48: break;
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-: 49:
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-: 50: case '\x02': // char
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5: 51: tmp_char = buffer[ptr++];
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5: 52: printf("c: 0x%02x\n", (unsigned char)tmp_char);
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5: 53: break;
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-: 54:
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-: 55: case '\x03': // string
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6: 56: len = *(int *)(buffer + ptr);
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6: 57: ptr += sizeof(int);
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6: 58: tmp_string = malloc(len);
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6: 59: if(!tmp_string) {
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1: 60: fprintf(stderr, "Failed to allocate %d bytes of memory\n", len);
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1: 61: return 1;
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-: 62: }
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5: 63: strcpy(tmp_string, (buffer + ptr));
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5: 64: printf("s: %s\n", tmp_string);
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5: 65: ptr += len;
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5: 66: break;
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-: 67:
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-: 68: case '\x04': // comment
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1: 69: printf("#: %s\n", (buffer + ptr));
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1: 70: while(*(buffer + ptr++) != '\x00');
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1: 71: break;
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-: 72:
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-: 73: case '\xff': // END
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5: 74: return 0;
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-: 75:
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-: 76: default:
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#####: 77: fprintf(stderr, "Unknown data type '%c'\n", type);
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-: 78:
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-: 79: }
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-: 80:
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-: 81: }
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-: 82:
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#####: 83:}
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