annotate quickrypt.c @ 0:bd412f63ce0d

Put this project under version control, finally.
author John "Elwin" Edwards <elwin@sdf.org>
date Sun, 06 May 2012 08:45:40 -0700
parents
children 9bef0941c6dd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
1 #include <stdio.h>
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
2 #include <stdlib.h>
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
3 #include <string.h>
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
4 #include <crypt.h>
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
5
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
6 int main(int argc, char *argv[]) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
7 char clear[32], enc[120], *ptr;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
8 fgets(&clear, 32, stdin);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
9 if (!(ptr = strchr(&clear, '\n')))
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
10 return 1;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
11 else
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
12 *ptr = '\0';
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
13 fgets(&enc, 120, stdin);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
14 if (!(ptr = strchr(&enc, '\n')))
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
15 return 1;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
16 else
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
17 *ptr = '\0';
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
18 ptr = crypt(clear, enc);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
19 if (!strcmp(argv[argc - 1], "-s")) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
20 /* Option -s for "show": output the encrypted version. */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
21 printf("%s\n", ptr);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
22 return 0;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
23 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
24 /* Otherwise this is a check. */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
25 else if (!strcmp(ptr, enc))
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
26 return 0;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
27 return 1;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
28 }