builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.

	* builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
	* builtins.def (BUILT_IN_STRNDUP): New.

testsuite:
	* gcc.dg/nonnull-3.c: Also test __builtin_strndup.

From-SVN: r97077

gcc/ChangeLog

+2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
+	* builtins.def (BUILT_IN_STRNDUP): New.
+
 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
 
 	PR tree-optimization/20470

gcc/builtin-types.def

@@ -172,6 +172,8 @@ DEF_FUNCTION_TYPE_2 (BT_FN_SIZE_CONST_STRING_CONST_STRING,
 	             BT_SIZE, BT_CONST_STRING, BT_CONST_STRING)
 DEF_FUNCTION_TYPE_2 (BT_FN_STRING_CONST_STRING_INT,
 	             BT_STRING, BT_CONST_STRING, BT_INT)
+DEF_FUNCTION_TYPE_2 (BT_FN_STRING_CONST_STRING_SIZE,
+	             BT_STRING, BT_CONST_STRING, BT_SIZE)
 DEF_FUNCTION_TYPE_2 (BT_FN_INT_CONST_STRING_FILEPTR,
 		     BT_INT, BT_CONST_STRING, BT_FILEPTR)
 DEF_FUNCTION_TYPE_2 (BT_FN_INT_INT_FILEPTR,

gcc/builtins.def

@@ -468,6 +468,7 @@ DEF_LIB_BUILTIN        (BUILT_IN_STRCMP, "strcmp", BT_FN_INT_CONST_STRING_CONST_
 DEF_LIB_BUILTIN        (BUILT_IN_STRCPY, "strcpy", BT_FN_STRING_STRING_CONST_STRING, ATTR_NOTHROW_NONNULL)
 DEF_LIB_BUILTIN        (BUILT_IN_STRCSPN, "strcspn", BT_FN_SIZE_CONST_STRING_CONST_STRING, ATTR_PURE_NOTHROW_NONNULL)
 DEF_EXT_LIB_BUILTIN    (BUILT_IN_STRDUP, "strdup", BT_FN_STRING_CONST_STRING, ATTR_MALLOC_NOTHROW_NONNULL)
+DEF_EXT_LIB_BUILTIN    (BUILT_IN_STRNDUP, "strndup", BT_FN_STRING_CONST_STRING_SIZE, ATTR_MALLOC_NOTHROW_NONNULL)
 DEF_LIB_BUILTIN        (BUILT_IN_STRLEN, "strlen", BT_FN_SIZE_CONST_STRING, ATTR_PURE_NOTHROW_NONNULL)
 DEF_LIB_BUILTIN        (BUILT_IN_STRNCAT, "strncat", BT_FN_STRING_STRING_CONST_STRING_SIZE, ATTR_NOTHROW_NONNULL)
 DEF_LIB_BUILTIN        (BUILT_IN_STRNCMP, "strncmp", BT_FN_INT_CONST_STRING_CONST_STRING_SIZE, ATTR_PURE_NOTHROW_NONNULL)

gcc/testsuite/ChangeLog

+2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* gcc.dg/nonnull-3.c: Also test __builtin_strndup.
+
 2005-03-25  Mark Mitchell  <mark@codesourcery.com>
 
 	* lib/g++.exp (g++_link_flags): Use gcc-set-multilib-library-path.

gcc/testsuite/gcc.dg/nonnull-3.c

@@ -51,6 +51,7 @@ foo (void *p, char *s)
   __builtin_strchr (NULL, 16);  /* { dg-warning "null" "null pointer check" } */
   __builtin_strrchr (NULL, 16);  /* { dg-warning "null" "null pointer check" } */
   __builtin_strdup (NULL);  /* { dg-warning "null" "null pointer check" } */
+  __builtin_strndup (NULL, 16);  /* { dg-warning "null" "null pointer check" } */
 
   __builtin_nan (NULL);  /* { dg-warning "null" "null pointer check" } */
   __builtin_nanf (NULL);  /* { dg-warning "null" "null pointer check" } */