diff --git a/src/examples/hex-dump.c b/src/examples/hex-dump.c new file mode 100644 index 0000000000000000000000000000000000000000..08f79138b05f8f03b7e6a4f8d26cafa2b19947f4 --- /dev/null +++ b/src/examples/hex-dump.c @@ -0,0 +1,35 @@ +/* hex-dump.c + + Prints files specified on command line to the console in hex. */ + +#include <stdio.h> +#include <syscall.h> + +int +main (int argc, char *argv[]) +{ + bool success = true; + int i; + + for (i = 1; i < argc; i++) + { + int fd = open (argv[i]); + if (fd < 0) + { + printf ("%s: open failed\n", argv[i]); + success = false; + continue; + } + for (;;) + { + char buffer[1024]; + int pos = tell (fd); + int bytes_read = read (fd, buffer, sizeof buffer); + if (bytes_read == 0) + break; + hex_dump (pos, buffer, bytes_read, true); + } + close (fd); + } + return success ? EXIT_SUCCESS : EXIT_FAILURE; +}