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[cgo] C.CString() can't change string complete. #68602

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QuincyGao opened this issue Jul 26, 2024 · 3 comments
Closed

[cgo] C.CString() can't change string complete. #68602

QuincyGao opened this issue Jul 26, 2024 · 3 comments

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@QuincyGao
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Go version

go version go1.22.4 linux/amd64

Output of go env in your module/workspace:

GO111MODULE=''
GOARCH='amd64'
GOBIN=''
GOCACHE='/home/xg/.cache/go-build'
GOENV='/home/xg/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFLAGS=''
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMODCACHE='/home/xg/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/home/xg/gopath'
GOPRIVATE=''
GOPROXY='https://goproxy.cn,direct'
GOROOT='/home/go/go'
GOSUMDB='sum.golang.org'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/home/go/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.22.4'
GCCGO='gccgo'
GOAMD64='v1'
AR='ar'
CC='gcc'
CXX='g++'
CGO_ENABLED='1'
GOMOD='/home/xg/test/cgotest/go.mod'
GOWORK=''
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
PKG_CONFIG='pkg-config'
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build1257565264=/tmp/go-build -gno-record-gcc-switches'

What did you do?

cgotest.zip
here is the code .

how to build
./build.sh

run:
./test

What did you see happen?

I want copy data complete to voice, howerver, C.CString() get 7 bytes unitl '1', the left has been drop。

What did you expect to see?

copy the data to voice complete， please tell me how to do this。
@gabyhelp
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Related Issues and Documentation

(Emoji vote if this was helpful or unhelpful; more detailed feedback welcome in this discussion.)

@QuincyGao
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because the data include '0', C.CString meet '0', then end.
the question is how to translate complete?

@seankhliao
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Unlike many projects, the Go project does not use GitHub Issues for general discussion or asking questions. GitHub Issues are used for tracking bugs and proposals only.

For questions please refer to https://github.com/golang/go/wiki/Questions

@seankhliao seankhliao closed this as not planned Won't fix, can't repro, duplicate, stale Jul 26, 2024
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3 participants
@seankhliao @QuincyGao @gabyhelp