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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:33:23 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:33:23 +0000 |
commit | 1d5cace9db9aef76f26b2d7ba54bbb76443b00b2 (patch) | |
tree | 314a15dd1aa103da13bdc83ba1d2105a290bc5ba /examples/loadables/logname.c | |
parent | Initial commit. (diff) | |
download | bash-upstream.tar.xz bash-upstream.zip |
Adding upstream version 5.0.upstream/5.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'examples/loadables/logname.c')
-rw-r--r-- | examples/loadables/logname.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/examples/loadables/logname.c b/examples/loadables/logname.c new file mode 100644 index 0000000..27e6591 --- /dev/null +++ b/examples/loadables/logname.c @@ -0,0 +1,74 @@ +/* logname - print login name of current user */ + +/* + Copyright (C) 1999-2009 Free Software Foundation, Inc. + + This file is part of GNU Bash. + Bash is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + Bash is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with Bash. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include <config.h> + +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include <stdio.h> +#include <errno.h> + +#include "builtins.h" +#include "shell.h" +#include "common.h" + +#if !defined (errno) +extern int errno; +#endif + +int +logname_builtin (list) + WORD_LIST *list; +{ + char *np; + + if (no_options (list)) + return (EX_USAGE); + + np = getlogin (); + if (np == 0) + { + builtin_error ("cannot find username: %s", strerror (errno)); + return (EXECUTION_FAILURE); + } + printf ("%s\n", np); + return (EXECUTION_SUCCESS); +} + +char *logname_doc[] = { + "Display user login name.", + "", + "Write the current user's login name to the standard output", + "and exit. logname ignores the LOGNAME and USER variables.", + "logname ignores any non-option arguments.", + (char *)NULL +}; + +struct builtin logname_struct = { + "logname", + logname_builtin, + BUILTIN_ENABLED, + logname_doc, + "logname", + 0 +}; + |