From 97c26c1924b076ef23ebe4381558e8aa025712b2 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 16:54:37 +0200 Subject: Adding upstream version 1:4.13+dfsg1. Signed-off-by: Daniel Baumann --- libmisc/getgr_nam_gid.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 libmisc/getgr_nam_gid.c (limited to 'libmisc/getgr_nam_gid.c') diff --git a/libmisc/getgr_nam_gid.c b/libmisc/getgr_nam_gid.c new file mode 100644 index 0000000..5294f50 --- /dev/null +++ b/libmisc/getgr_nam_gid.c @@ -0,0 +1,43 @@ +/* + * SPDX-FileCopyrightText: 1991 - 1994, Julianne Frances Haugh + * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz + * SPDX-FileCopyrightText: 2000 - 2006, Tomasz Kłoczko + * SPDX-FileCopyrightText: 2007 - 2009, Nicolas François + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include + +#ident "$Id$" + +#include +#include +#include +#include "prototypes.h" + +/* + * getgr_nam_gid - Return a pointer to the group specified by a string. + * The string may be a valid GID or a valid groupname. + * If the group does not exist on the system, NULL is returned. + */ +extern /*@only@*//*@null@*/struct group *getgr_nam_gid (/*@null@*/const char *grname) +{ + long long int gid; + char *endptr; + + if (NULL == grname) { + return NULL; + } + + errno = 0; + gid = strtoll (grname, &endptr, 10); + if ( ('\0' != *grname) + && ('\0' == *endptr) + && (ERANGE != errno) + && (/*@+longintegral@*/gid == (gid_t)gid)/*@=longintegral@*/) { + return xgetgrgid ((gid_t) gid); + } + return xgetgrnam (grname); +} + -- cgit v1.2.3