diff options
Diffstat (limited to 'grp')
| -rw-r--r-- | grp/fgetgrent_r.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/grp/fgetgrent_r.c b/grp/fgetgrent_r.c index b142f908e6..9ac9dc19ef 100644 --- a/grp/fgetgrent_r.c +++ b/grp/fgetgrent_r.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1996, 1997 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1996, 1997, 1998 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -61,12 +61,18 @@ __fgetgrent_r (FILE *stream, struct group *resbuf, char *buffer, size_t buflen, do { + buffer[buflen] = '\xff'; p = fgets (buffer, buflen, stream); - if (p == NULL) + if (p == NULL && feof (stream)) { *result = NULL; return errno; } + if (p == NULL || buffer[buflen] != '\xff') + { + *result = NULL; + return errno = ERANGE; + } /* Skip leading blanks. */ while (isspace (*p)) |