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[release-branch.go1] cgo: fix declarations in _cgo_export.c

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««« backport 6751a0e1a6a4
cgo: fix declarations in _cgo_export.c

Declare crosscall2.  Declare the functions passed to it as
returning void, rather than relying on implicit return type.

R=golang-dev, minux.ma
CC=golang-dev
https://golang.org/cl/6432060

»»»
This commit is contained in:
Ian Lance Taylor 2012-09-22 05:54:13 +10:00
parent a351c67593
commit b222c9e39b
1 changed files with 3 additions and 1 deletions
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4
src/cmd/cgo/out.go
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@ -461,6 +461,8 @@ func (p *Package) writeExports(fgo2, fc, fm *os.File) {
fmt.Fprintf(fgcc, "/* Created by cgo - DO NOT EDIT. */\n")
fmt.Fprintf(fgcc, "#include \"_cgo_export.h\"\n")
fmt.Fprintf(fgcc, "\nextern void crosscall2(void (*fn)(void *, int), void *, int);\n\n")
for _, exp := range p.ExpFunc {
fn := exp.Func
@ -552,7 +554,7 @@ func (p *Package) writeExports(fgo2, fc, fm *os.File) {
s += ")"
fmt.Fprintf(fgcch, "\nextern %s;\n", s)
fmt.Fprintf(fgcc, "extern _cgoexp%s_%s(void *, int);\n", cPrefix, exp.ExpName)
fmt.Fprintf(fgcc, "extern void _cgoexp%s_%s(void *, int);\n", cPrefix, exp.ExpName)
fmt.Fprintf(fgcc, "\n%s\n", s)
fmt.Fprintf(fgcc, "{\n")
fmt.Fprintf(fgcc, "\t%s __attribute__((packed)) a;\n", ctype)