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authorRalf Corsepius <ralf.corsepius@rtems.org>2003-08-18 07:31:32 +0000
committerRalf Corsepius <ralf.corsepius@rtems.org>2003-08-18 07:31:32 +0000
commitc5f52e9725745b0cd81e3b2b4881fc2360f830ec (patch)
tree1db87a69b5067c144aa105f34199b133a15fcfa9 /cpukit/libcsupport/src/getlogin.c
parent2003-08-18 Ralf Corsepius <corsepiu@faw.uni-ulm.de> (diff)
downloadrtems-c5f52e9725745b0cd81e3b2b4881fc2360f830ec.tar.bz2
2003-08-18 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
PR 449/rtems: * src/getegid.c: New (Copied from ../posix/src). * src/geteuid.c: New (Copied from ../posix/src). * src/getgid.c: New (Copied from ../posix/src). * src/getgroups.c: New (Copied from ../posix/src). * src/getlogin.c: New (Copied from ../posix/src). * src/getpgrp.c: New (Copied from ../posix/src). * src/getpid.c: New (Copied from ../posix/src). * src/getppid.c: New (Copied from ../posix/src). * src/getuid.c: New (Copied from ../posix/src). * src/setpgid.c: New (Copied from ../posix/src). * src/setsid.c: New (Copied from ../posix/src). * src/no_posix: Remove getpid and _getpid_r. * Makefile.am: Reflect changes above.
Diffstat (limited to 'cpukit/libcsupport/src/getlogin.c')
-rw-r--r--cpukit/libcsupport/src/getlogin.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/cpukit/libcsupport/src/getlogin.c b/cpukit/libcsupport/src/getlogin.c
new file mode 100644
index 0000000000..64ee0b6d02
--- /dev/null
+++ b/cpukit/libcsupport/src/getlogin.c
@@ -0,0 +1,64 @@
+/*
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <limits.h>
+#include <string.h>
+#include <sys/types.h>
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/score/object.h>
+#include <rtems/seterr.h>
+#include <rtems/userenv.h>
+
+#include <unistd.h>
+#include <pwd.h>
+
+/*PAGE
+ *
+ * 4.2.4 Get User Name, P1003.1b-1993, p. 87
+ *
+ * NOTE: P1003.1c/D10, p. 49 adds getlogin_r().
+ */
+
+/*
+ * MACRO in userenv.h
+ *
+static char _POSIX_types_Getlogin_buffer[ LOGIN_NAME_MAX ];
+*/
+
+char *getlogin( void )
+{
+ (void) getlogin_r( _POSIX_types_Getlogin_buffer, LOGIN_NAME_MAX );
+ return _POSIX_types_Getlogin_buffer;
+}
+
+/*PAGE
+ *
+ * 4.2.4 Get User Name, P1003.1b-1993, p. 87
+ *
+ * NOTE: P1003.1c/D10, p. 49 adds getlogin_r().
+ */
+
+int getlogin_r(
+ char *name,
+ size_t namesize
+)
+{
+ struct passwd *pw;
+ if ( namesize < LOGIN_NAME_MAX )
+ return ERANGE;
+
+ pw=getpwuid(getuid());
+ if (!pw) {
+ strcpy(name,"");
+ } else {
+ strncpy(name,pw->pw_name,LOGIN_NAME_MAX);
+ };
+ return 0;
+}