diff options
Diffstat (limited to 'contrib/perl5/ext/SDBM_File/sdbm/util.c')
-rw-r--r-- | contrib/perl5/ext/SDBM_File/sdbm/util.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/contrib/perl5/ext/SDBM_File/sdbm/util.c b/contrib/perl5/ext/SDBM_File/sdbm/util.c new file mode 100644 index 0000000..16bd4ac --- /dev/null +++ b/contrib/perl5/ext/SDBM_File/sdbm/util.c @@ -0,0 +1,47 @@ +#include <stdio.h> +#ifdef SDBM +#include "sdbm.h" +#else +#include "ndbm.h" +#endif + +void +oops(register char *s1, register char *s2) +{ + extern int errno, sys_nerr; + extern char *sys_errlist[]; + extern char *progname; + + if (progname) + fprintf(stderr, "%s: ", progname); + fprintf(stderr, s1, s2); + if (errno > 0 && errno < sys_nerr) + fprintf(stderr, " (%s)", sys_errlist[errno]); + fprintf(stderr, "\n"); + exit(1); +} + +int +okpage(char *pag) +{ + register unsigned n; + register off; + register short *ino = (short *) pag; + + if ((n = ino[0]) > PBLKSIZ / sizeof(short)) + return 0; + + if (!n) + return 1; + + off = PBLKSIZ; + for (ino++; n; ino += 2) { + if (ino[0] > off || ino[1] > off || + ino[1] > ino[0]) + return 0; + off = ino[1]; + n -= 2; + } + + return 1; +} |