From: Andreas Schneider <asn@cryptomilk.org>
Date: Fri, 15 Nov 2013 08:36:54 +0000 (+0100)
Subject: cmake: Add check for setgroups prototype.
X-Git-Url: http://git.samba.org/?a=commitdiff_plain;h=23c39228f206c33880773f49c18bcdcd6aaf466f;p=obnox%2Fcwrap%2Fuid_wrapper.git

cmake: Add check for setgroups prototype.
---

diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index 337314c..f85a125 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -69,6 +69,14 @@ check_function_exists(setregid HAVE_SETRESGID)
 check_function_exists(getgroups HAVE_GETGROUPS)
 check_function_exists(setgroups HAVE_SETGROUPS)
 
+if (HAVE_SETGROUPS)
+    check_prototype_definition(setgroups
+        "int setgroups(int size, const gid_t *list)"
+        "-1"
+        "unistd.h"
+        HAVE_SETGROUPS_INT)
+endif (HAVE_SETGROUPS)
+
 check_function_exists(syscall HAVE_SYSCALL)
 
 if (HAVE_SYSCALL)
diff --git a/config.h.cmake b/config.h.cmake
index 591553c..f9a3c72 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -40,6 +40,10 @@
 /* Define to 1 if you have the `setresgid' function. */
 #cmakedefine HAVE_SETREGID 1
 
+/* Define to 1 if you have the `setgroups' function. */
+#cmakedefine HAVE_SETGROUPS 1
+#cmakedefine HAVE_SETGROUPS_INT 1
+
 /* Define to 1 if you have the `syscall' function. */
 #cmakedefine HAVE_SYSCALL 1
 
diff --git a/src/uid_wrapper.c b/src/uid_wrapper.c
index 971932f..8a16513 100644
--- a/src/uid_wrapper.c
+++ b/src/uid_wrapper.c
@@ -758,7 +758,11 @@ out:
 	return rc;
 }
 
+#ifdef HAVE_SETGROUPS_INT
+int setgroups(int size, const gid_t *list)
+#else
 int setgroups(size_t size, const gid_t *list)
+#endif
 {
 	if (!uwrap_enabled()) {
 		return uwrap.libc.fns._libc_setgroups(size, list);