Bug #8312 » fix_hash_shift.diff
hash.c | ||
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};
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static int
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shift_i(VALUE key, VALUE value, VALUE arg)
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{
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struct shift_var *var = (struct shift_var *)arg;
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if (var->key != Qundef) return ST_STOP;
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var->key = key;
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var->val = value;
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return ST_DELETE;
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}
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static int
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shift_i_safe(VALUE key, VALUE value, VALUE arg)
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{
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struct shift_var *var = (struct shift_var *)arg;
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... | ... | |
rb_hash_modify_check(hash);
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if (RHASH(hash)->ntbl) {
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var.key = Qundef;
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rb_hash_foreach(hash, RHASH_ITER_LEV(hash) > 0 ? shift_i_safe : shift_i,
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(VALUE)&var);
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rb_hash_foreach(hash, shift_i_safe, (VALUE)&var);
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if (var.key != Qundef) {
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if (RHASH_ITER_LEV(hash) > 0) {
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rb_hash_delete_key(hash, var.key);
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}
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rb_hash_delete_key(hash, var.key);
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return rb_assoc_new(var.key, var.val);
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}
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}
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