diff options
Diffstat (limited to 'eBones/krb/getst.c')
-rw-r--r-- | eBones/krb/getst.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/eBones/krb/getst.c b/eBones/krb/getst.c new file mode 100644 index 0000000..edd55ec --- /dev/null +++ b/eBones/krb/getst.c @@ -0,0 +1,35 @@ +/* + * Copyright 1987, 1988 by the Massachusetts Institute of Technology. + * For copying and distribution information, please see the file + * <Copyright.MIT>. + * + * form: getst.c,v 4.5 88/11/15 16:31:39 jtkohl Exp $ + * $Id: getst.c,v 1.2 1994/07/19 19:25:33 g89r4222 Exp $ + */ + +#ifndef lint +static char rcsid[] = +"$Id: getst.c,v 1.2 1994/07/19 19:25:33 g89r4222 Exp $"; +#endif /* lint */ + +/* + * 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); +} |