# glibc also implements the function group_member. To avoid name conflict,
# here let us append a "_" to which's version.
#
# Signed-off-by Dexuan Cui <dexuan.cui@intel.com>, 2010-08-20
# (this patch is licensed under GPLv2)

--- which-2.18/bash.c
+++ which-2.18/bash.c
@@ -45,7 +45,12 @@
  * - changed all occurences of 'gid_t' into 'GID_T'.
  * - exported functions needed in which.c
  */
-static int group_member (GID_T gid);
+
+/*
+ * glibc also implements the function group_member. To avoid name conflict,
+ * here let us append a "_" to which's version.
+ */
+static int _group_member (GID_T gid);
 static char* extract_colon_unit (char const* string, int *p_index);
 
 /*===========================================================================
@@ -200,8 +205,8 @@
 
 /* From bash-2.05b / general.c / line 805 */
 /* Return non-zero if GID is one that we have in our groups list. */
-int
-group_member (GID_T gid)
+static int
+_group_member (GID_T gid)
 {
 #if defined (HAVE_GETGROUPS)
   register int i;
@@ -290,7 +295,7 @@
     return (X_BIT (u_mode_bits (finfo.st_mode))) ? (FS_EXISTS | FS_EXECABLE) : FS_EXISTS;
 
   /* Otherwise, if we are in the owning group, the group permissions apply. */
-  if (group_member (finfo.st_gid))
+  if (_group_member (finfo.st_gid))
     return (X_BIT (g_mode_bits (finfo.st_mode))) ? (FS_EXISTS | FS_EXECABLE) : FS_EXISTS;
 
   /* Otherwise, if we are in the other group, the other permissions apply. */
@@ -331,7 +336,7 @@
 /* Given a string containing units of information separated by colons,
    return the next one pointed to by (P_INDEX), or NULL if there are no more.
    Advance (P_INDEX) to the character after the colon. */
-char*
+static char*
 extract_colon_unit (char const* string, int* p_index)
 {
   int i, start, len;
