1 files changed, 144 insertions, 0 deletions
diff --git a/devel/linuxthreads/files/getgr_r.c b/devel/linuxthreads/files/getgr_r.c
new file mode 100644
index 000000000000..c7ad11ddefb3
--- /dev/null
+++ b/devel/linuxthreads/files/getgr_r.c
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 1999 Richard Seaman, Jr.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Richard Seaman, Jr.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY RICHARD SEAMAN, Jr. AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#include <sys/types.h>
+#include <stddef.h>
+#include <string.h>
+#include <errno.h>
+#include <grp.h>
+#include "pthread.h"
+
+static pthread_mutex_t getgr_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+static int
+convert (struct group *ret, struct group *result,
+       char *buf, int buflen)
+{
+  int len;
+  int count;
+  char **gr_mem;
+  char *buf1;
+
+  if (!buf) return -1;
+
+  *result = *ret;
+
+  result->gr_name = (char *) buf;
+  /* This is the size. */
+  len = strlen (ret->gr_name) + 1;
+  if (len > buflen) return -1;
+  buflen -= len;
+  buf += len;
+  strcpy (result->gr_name, ret->gr_name);
+
+  result->gr_passwd = (char *) buf;
+  /* This is the size. */
+  len = strlen (ret->gr_passwd) + 1;
+  if (len > buflen) return -1;
+  buflen -= len;
+  buf += len;
+  strcpy (result->gr_passwd, ret->gr_passwd);
+
+  count = 0;
+  gr_mem = ret->gr_mem;
+  while (*gr_mem){
+       count++;
+       gr_mem++;
+  }
+  len = sizeof (*gr_mem)*(count+1);
+  if (len > buflen) return -1;
+  buf1 = buf;
+  buflen -= len;
+  buf += len;
+  gr_mem = ret->gr_mem;
+  while (*gr_mem){
+       len = strlen (*gr_mem) + 1;
+       if (len > buflen) return -1;
+       buf1 = buf;
+       strcpy (buf, *gr_mem);
+       buflen -= len;
+       buf += len;
+       buf1 += sizeof (buf1);
+       gr_mem++;
+  }
+  buf1 = NULL;
+  return 0;
+}
+
+int getgrnam_r (const char *name, struct group *result,
+                char *buffer, size_t buflen,
+                struct group ** resptr)
+{
+  struct group * p;
+  int retval;
+
+  pthread_mutex_lock (&getgr_mutex);
+  p = getgrnam (name);
+  if (p == NULL) {
+    *resptr = NULL;
+    retval = ESRCH;
+  } else
+  if (convert (p, result, buffer, buflen) != 0) {
+    *resptr = NULL;
+    retval = ERANGE;
+  } else {
+    *resptr = result;
+    retval = 0;
+  }
+  pthread_mutex_unlock (&getgr_mutex);
+  return retval;
+}
+
+int getgrgid_r (uid_t uid, struct group *result, 
+                char *buffer, size_t buflen,
+                struct group ** resptr)
+{
+  struct group * p;
+  int retval;
+
+  pthread_mutex_lock (&getgr_mutex);
+  p = getgrgid (uid);
+  if (p == NULL) {
+    *resptr = NULL;
+    retval = ESRCH;
+  } else
+  if (convert (p, result, buffer, buflen) != 0) {
+    *resptr = NULL;
+    retval = ERANGE;
+  } else {
+    *resptr = result;
+    retval = 0;
+  }
+  pthread_mutex_unlock (&getgr_mutex);
+  return retval;
+}