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-rw-r--r--pintos-progos/examples/hex-dump.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/pintos-progos/examples/hex-dump.c b/pintos-progos/examples/hex-dump.c
new file mode 100644
index 0000000..ee313f2
--- /dev/null
+++ b/pintos-progos/examples/hex-dump.c
@@ -0,0 +1,35 @@
1/* hex-dump.c
2
3 Prints files specified on command line to the console in hex. */
4
5#include <stdio.h>
6#include <syscall.h>
7
8int
9main (int argc, char *argv[])
10{
11 bool success = true;
12 int i;
13
14 for (i = 1; i < argc; i++)
15 {
16 int fd = open (argv[i]);
17 if (fd < 0)
18 {
19 printf ("%s: open failed\n", argv[i]);
20 success = false;
21 continue;
22 }
23 for (;;)
24 {
25 char buffer[1024];
26 int pos = tell (fd);
27 int bytes_read = read (fd, buffer, sizeof buffer);
28 if (bytes_read == 0)
29 break;
30 hex_dump (pos, buffer, bytes_read, true);
31 }
32 close (fd);
33 }
34 return success ? EXIT_SUCCESS : EXIT_FAILURE;
35}