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- /*
- * $Source: /mit/kerberos/src/lib/krb/RCS/getst.c,v $
- * $Author: jtkohl $
- *
- * Copyright 1987, 1988 by the Massachusetts Institute of Technology.
- *
- * For copying and distribution information, please see the file
- * <mit-copyright.h>.
- */
-
- #ifndef lint
- static char rcsid_getst_c[] =
- "$Header: getst.c,v 4.5 88/11/15 16:31:39 jtkohl Exp $";
- #endif /* lint */
-
- #include <mit-copyright.h>
-
- /*
- * getst() takes a file descriptor, a string and a count. It reads
- * from the file until either it has read "count" characters, or until
- * it reads a null byte. When finished, what has been read exists in
- * the given string "s". If "count" characters were actually read, the
- * last is changed to a null, so the returned string is always null-
- * terminated. getst() returns the number of characters read, including
- * the null terminator.
- */
-
- getst(fd, s, n)
- int fd;
- register char *s;
- {
- register count = n;
- while (read(fd, s, 1) > 0 && --count)
- if (*s++ == '\0')
- return (n - count);
- *s = '\0';
- return (n - count);
- }
-