Commit | Line | Data |
---|---|---|
463ee0b2 LW |
1 | #include <stdio.h> |
2 | #ifdef SDBM | |
3 | #include "sdbm.h" | |
4 | #else | |
5 | #include "ndbm.h" | |
6 | #endif | |
7 | ||
8 | void | |
f0f333f4 | 9 | oops(register char *s1, register char *s2) |
463ee0b2 LW |
10 | { |
11 | extern int errno, sys_nerr; | |
12 | extern char *sys_errlist[]; | |
13 | extern char *progname; | |
14 | ||
15 | if (progname) | |
16 | fprintf(stderr, "%s: ", progname); | |
17 | fprintf(stderr, s1, s2); | |
18 | if (errno > 0 && errno < sys_nerr) | |
19 | fprintf(stderr, " (%s)", sys_errlist[errno]); | |
20 | fprintf(stderr, "\n"); | |
21 | exit(1); | |
22 | } | |
23 | ||
24 | int | |
f0f333f4 | 25 | okpage(char *pag) |
463ee0b2 LW |
26 | { |
27 | register unsigned n; | |
28 | register off; | |
29 | register short *ino = (short *) pag; | |
30 | ||
31 | if ((n = ino[0]) > PBLKSIZ / sizeof(short)) | |
32 | return 0; | |
33 | ||
34 | if (!n) | |
35 | return 1; | |
36 | ||
37 | off = PBLKSIZ; | |
38 | for (ino++; n; ino += 2) { | |
39 | if (ino[0] > off || ino[1] > off || | |
40 | ino[1] > ino[0]) | |
41 | return 0; | |
42 | off = ino[1]; | |
43 | n -= 2; | |
44 | } | |
45 | ||
46 | return 1; | |
47 | } |