#include "config.h"
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "util.h"
int main(int argc, char **argv)
{
if (argc < 3) {
fprintf(stderr,
"Usage: inputseek [+-=][0x]OFFSET COMMAND [ARG1 [ARG2 ...]]\n"
"\n"
" Where OFFSET is the byte position to seek standard input to. I can be\n"
" written in hex or decimal, and may include a prefix:\n"
" = Seek to an absolute position (default)\n"
" + Seek forward to a relative position\n"
" - Seek to EOF, minus the offset\n"
);
return 1;
}
if (rich_seek(0, argv[1]) == (off_t)-1) {
perror("lseek on stdin");
return 1;
}
execvp(argv[2], &argv[2]);
perror("exec");
return 1;
}