e0f69f36ea
Previously the libgo Makefile explicitly listed the set of files to
compile for each package. For packages that use build tags, this
required a lot of awkward automake conditionals in the Makefile.
This CL changes the build to look at the build tags in the files.
The new shell script libgo/match.sh does the matching. This required
adjusting a lot of build tags, and removing some files that are never
used. I verified that the exact same sets of files are compiled on
amd64 GNU/Linux. I also tested the build on i386 Solaris.
Writing match.sh revealed some bugs in the build tag handling that
already exists, in a slightly different form, in the gotest shell
script. This CL fixes those problems as well.
The old code used automake conditionals to handle systems that were
missing strerror_r and wait4. Rather than deal with those in Go, those
functions are now implemented in runtime/go-nosys.c when necessary, so
the Go code can simply assume that they exist.
The os testsuite looked for dir_unix.go, which was never built for gccgo
and has now been removed. I changed the testsuite to look for dir.go
instead.
Reviewed-on: https://go-review.googlesource.com/25546
From-SVN: r239189
21 lines
594 B
Go
21 lines
594 B
Go
// Copyright 2013 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build ignore
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// +build amd64 amd64p32 arm,!nacl 386
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package rc4
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func xorKeyStream(dst, src *byte, n int, state *[256]uint32, i, j *uint8)
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// XORKeyStream sets dst to the result of XORing src with the key stream.
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// Dst and src may be the same slice but otherwise should not overlap.
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func (c *Cipher) XORKeyStream(dst, src []byte) {
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if len(src) == 0 {
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return
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}
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xorKeyStream(&dst[0], &src[0], len(src), &c.s, &c.i, &c.j)
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}
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