mirror of
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50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
package testutils
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import "github.com/securego/gosec/v2"
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// SampleCodeCgo - Cgo file sample
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var SampleCodeCgo = []CodeSample{
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{[]string{`
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package main
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import (
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"fmt"
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"unsafe"
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)
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/*
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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int printData(unsigned char *data) {
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return printf("cData: %lu \"%s\"\n", (long unsigned int)strlen(data), data);
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}
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*/
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import "C"
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func main() {
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// Allocate C data buffer.
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width, height := 8, 2
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lenData := width * height
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// add string terminating null byte
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cData := (*C.uchar)(C.calloc(C.size_t(lenData+1), C.sizeof_uchar))
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// When no longer in use, free C allocations.
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defer C.free(unsafe.Pointer(cData))
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// Go slice reference to C data buffer,
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// minus string terminating null byte
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gData := (*[1 << 30]byte)(unsafe.Pointer(cData))[:lenData:lenData]
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// Write and read cData via gData.
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for i := range gData {
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gData[i] = '.'
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}
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copy(gData[0:], "Data")
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gData[len(gData)-1] = 'X'
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fmt.Printf("gData: %d %q\n", len(gData), gData)
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C.printData(cData)
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}
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`}, 0, gosec.NewConfig()},
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}
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