/* sort input lines */
int main(int argc, char *argv[])
{
int nlines; /* number of input lines read */
int tail = 0; /* tail lines to print */
int c;
if(argc > 2) { /* too many arguments */
printf("usage: tail -n\n");
return 0;
}
if(argc == 2) /* the -n argument may be used */
if((*++argv)[0] == '-') {
while(c = *++argv[0] ) {
if(isdigit(c))
tail = 10*tail + ( c - '0' );
else
break;
}
}
if( tail == 0 )
tail = 10; /* default to 10 lines */
if( tail > MAXLINES) {
printf("warning: requested tail of %d truncated to maximum value of %d\n",tail,MAXLINES);
tail = MAXLINES;
}
if((nlines = readlines(lineptr,MAXLINES)) >= 0) {
writetail(lineptr,nlines,tail);
return 0;
} else {
printf("error: input too big to handle\n");
return 1;
}
}
int main(int argc, char **argv) {
FILE *input, *output;
int size, offset;
char *loader, *addcode;
if(argc < 4) {
fprintf(stderr, "USAGE: mkmbrc.exe <BINARY> <OUTPUT> <ADDRESSOFFSET> [ADDITIONAL CODE]\n");
return -1;
}
printf("Opening %s...\n", argv[1]);
if((input = fopen(argv[1], "rb")) == NULL) {
fprintf(stderr, "ERROR: Could not open '%s' for reading.\n", argv[1]);
return -1;
}
printf("Opening %s...\n", argv[2]);
if((output = fopen(argv[2], "w")) == NULL) {
fprintf(stderr, "ERROR: Could not open '%s' for writing.\n", argv[2]);
fclose(input);
return -1;
}
offset = atoi(argv[3]);
if((loader = (char*)malloc(LDRSIZE)) == NULL) {
fprintf(stderr, "ERROR: Could not allocate %d bytes of memory.\n", LDRSIZE);
fclose(input);
fclose(output);
return -1;
}
fseek(input, 0, SEEK_END);
size = ftell(input);
if(size > LDRSIZE) {
fprintf(stderr, "WARNING: Input file is bigger than %d bytes. (%d bytes)\n", LDRSIZE, size);
} else if(size < LDRSIZE) {
fprintf(stderr, "WARNING: Input file is smaller than %d bytes. (%d bytes)\n", LDRSIZE, size);
}
printf("Reading input file...\n");
fflush(stdout);
fseek(input, 0, SEEK_SET);
fread(loader, LDRSIZE, 1, input);
printf("Writing head...\n");
writehead(output);
printf("Writing table (Offset = %s)...\n", argv[3]);
writetable(output, loader, LDRSIZE, argv[3]);
printf("Writing tail...\n");
writetail(output);
printf("Done.\n");
fclose(output);
if(size > LDRSIZE) {
if(argc < 5) {
if((addcode = (char*)malloc(512)) == NULL)
return -1;
strcpy(addcode, "a.out");
} else
addcode = argv[4];
printf("Writing additional code to %s...\n", addcode);
output = fopen(addcode, "wb");
do {
size = fread(loader, LDRSIZE, 1, input);
fwrite(loader, size * LDRSIZE, 1, output);
} while (!feof(input));
printf("Done.\n");
}
fclose(input);
free(loader);
return 0;
}