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Diffstat (limited to 'eBones/lib/libkrb/fgetst.c')
-rw-r--r-- | eBones/lib/libkrb/fgetst.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/eBones/lib/libkrb/fgetst.c b/eBones/lib/libkrb/fgetst.c new file mode 100644 index 0000000..d938013 --- /dev/null +++ b/eBones/lib/libkrb/fgetst.c @@ -0,0 +1,39 @@ +/* + * Copyright 1987, 1988 by the Massachusetts Institute of Technology. + * For copying and distribution information, please see the file + * <Copyright.MIT>. + * + * from: fgetst.c,v 4.0 89/01/23 10:08:31 jtkohl Exp $ + * $Id: fgetst.c,v 1.2 1994/07/19 19:25:10 g89r4222 Exp $ + */ + +#ifndef lint +static char rcsid[] = +"$Id: fgetst.c,v 1.2 1994/07/19 19:25:10 g89r4222 Exp $"; +#endif /* lint */ + +#include <stdio.h> + +/* + * fgetst takes a file descriptor, a character pointer, and a count. + * It reads from the file it has either read "count" characters, or + * until it reads a null byte. When finished, what has been read exists + * in "s". If "count" characters were actually read, the last is changed + * to a null, so the returned string is always null-terminated. fgetst + * returns the number of characters read, including the null terminator. + */ + +fgetst(f, s, n) + FILE *f; + register char *s; + int n; +{ + register count = n; + int ch; /* NOT char; otherwise you don't see EOF */ + + while ((ch = getc(f)) != EOF && ch && --count) { + *s++ = ch; + } + *s = '\0'; + return (n - count); +} |