check.c (gfc_check_getcwd_sub): Fix seg fault.

	* check.c (gfc_check_getcwd_sub): Fix seg fault.

	* check.c (gfc_check_exit,gfc_check_umask,gfc_check_umask_sub,
	gfc_check_unlink,gfc_check_unlink_sub): New functions
	* gfortran.h (GFC_ISYM_UMASK,GFC_ISYM_UNLINK): New symbols
	* intrinsic.c (add_functions,add_subroutines): Add umask, unlink,
	exit to intrinsics symbol tables.
	* intrinsic.h (gfc_check_umask,gfc_check_unlink,gfc_check_exit,
	gfc_check_umask_sub,gfc_check_unlink_sub,gfc_resolve_umask,
	gfc_resolve_unlink,gfc_resolve_exit,gfc_resolve_umask_sub,
	gfc_resolve_unlink_sub): Add and sort prototypes.
	* iresolve.c (gfc_resolve_umask,gfc_resolve_unlink,gfc_resolve_exit,
	gfc_resolve_umask_sub,gfc_resolve_unlink_sub): New functions
	* trans-intrinsic.c (gfc_conv_intrinsic_function): Use symbols

libgfortran/
	* Makefile.am: Add intrinsics/{umask.c,unlink.c,exit.c}
	* Makefile.in: Regenerated
	* intrinsics/umask.c: New file
	* intrinsics/unlink.c: ditto
	* intrinsics/exit.c: ditto

From-SVN: r90949

1 files changed, 88 insertions, 0 deletions

diff --git a/gcc/fortran/check.c b/gcc/fortran/check.c
index b8ed5e9..3920864 100644
--- a/gcc/fortran/check.c
+++ b/gcc/fortran/check.c
@@ -2108,6 +2108,94 @@ gfc_check_getcwd_sub (gfc_expr * cwd, gfc_expr * status)
   if (type_check (cwd, 0, BT_CHARACTER) == FAILURE)
     return FAILURE;
 
+  if (status == NULL)
+    return SUCCESS;
+
+  if (scalar_check (status, 1) == FAILURE)
+    return FAILURE;
+
+  if (type_check (status, 1, BT_INTEGER) == FAILURE)
+    return FAILURE;
+
+  return SUCCESS;
+}
+
+
+try
+gfc_check_exit (gfc_expr * status)
+{
+  
+  if (status == NULL)
+  return SUCCESS;
+
+  if (type_check (status, 0, BT_INTEGER) == FAILURE)
+    return FAILURE;
+
+  if (scalar_check (status, 0) == FAILURE)
+    return FAILURE;
+
+  return SUCCESS;
+}
+
+
+try
+gfc_check_umask (gfc_expr * mask)
+{
+
+  if (type_check (mask, 0, BT_INTEGER) == FAILURE)
+    return FAILURE;
+
+  if (scalar_check (mask, 0) == FAILURE)
+    return FAILURE;
+
+  return SUCCESS;
+}
+
+
+try
+gfc_check_umask_sub (gfc_expr * mask, gfc_expr * old)
+{
+
+  if (type_check (mask, 0, BT_INTEGER) == FAILURE)
+    return FAILURE;
+
+  if (scalar_check (mask, 0) == FAILURE)
+    return FAILURE;
+
+  if (old == NULL)
+    return SUCCESS;
+
+  if (scalar_check (old, 1) == FAILURE)
+    return FAILURE;
+
+  if (type_check (old, 1, BT_INTEGER) == FAILURE)
+    return FAILURE;
+
+  return SUCCESS;
+}
+
+
+try
+gfc_check_unlink (gfc_expr * name)
+{
+
+  if (type_check (name, 0, BT_CHARACTER) == FAILURE)
+    return FAILURE;
+
+  return SUCCESS;
+}
+
+
+try
+gfc_check_unlink_sub (gfc_expr * name, gfc_expr * status)
+{
+
+  if (type_check (name, 0, BT_CHARACTER) == FAILURE)
+    return FAILURE;
+
+  if (status == NULL)
+    return SUCCESS;
+
   if (scalar_check (status, 1) == FAILURE)
     return FAILURE;