From a6c442d88114a76fe77ff3e3f6aa62993703759d Mon Sep 17 00:00:00 2001 From: Mark Kettenis Date: Sun, 20 Feb 2005 01:19:24 +0000 Subject: * value.h (value_contents_equal): New prototype. * value.c (value_contents_equal): New function. * varobj.c: Include "exceptions.h" and "gdb_assert.h". Don't include . (varobj_set_value): Initialize error to zero. (varobj_update): Rename error2 to error and initialize it to zero. Slightly change the wording of some comments. (my_value_equal): Reimplement using TRY_CATCH and value_contents_equal. --- gdb/value.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'gdb/value.c') diff --git a/gdb/value.c b/gdb/value.c index eb0cc2c..1ab5f79 100644 --- a/gdb/value.c +++ b/gdb/value.c @@ -358,6 +358,26 @@ value_contents_writeable (struct value *value) return value->aligner.contents; } +/* Return non-zero if VAL1 and VAL2 have the same contents. Note that + this function is different from value_equal; in C the operator == + can return 0 even if the two values being compared are equal. */ + +int +value_contents_equal (struct value *val1, struct value *val2) +{ + struct type *type1; + struct type *type2; + int len; + + type1 = check_typedef (value_type (val1)); + type2 = check_typedef (value_type (val2)); + len = TYPE_LENGTH (type1); + if (len != TYPE_LENGTH (type2)) + return 0; + + return (memcmp (value_contents (val1), value_contents (val2), len) == 0); +} + int value_optimized_out (struct value *value) { -- cgit v1.1