105 lines
2.6 KiB
V
105 lines
2.6 KiB
V
module builtin
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// NB: this file will be removed soon
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// byteptr.vbytes() - makes a V []byte structure from a C style memory buffer. NB: the data is reused, NOT copied!
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[unsafe]
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pub fn (data byteptr) vbytes(len int) []byte {
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return unsafe { voidptr(data).vbytes(len) }
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}
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// vstring converts a C style string to a V string. NB: the string data is reused, NOT copied.
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// strings returned from this function will be normal V strings beside that (i.e. they would be
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// freed by V's -autofree mechanism, when they are no longer used).
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[unsafe]
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pub fn (bp byteptr) vstring() string {
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return string{
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str: bp
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len: unsafe { vstrlen(bp) }
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}
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}
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// vstring_with_len converts a C style string to a V string.
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// NB: the string data is reused, NOT copied.
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[unsafe]
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pub fn (bp byteptr) vstring_with_len(len int) string {
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return string{
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str: bp
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len: len
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is_lit: 0
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}
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}
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// vstring converts C char* to V string.
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// NB: the string data is reused, NOT copied.
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[unsafe]
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pub fn (cp charptr) vstring() string {
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return string{
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str: byteptr(cp)
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len: unsafe { vstrlen_char(cp) }
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is_lit: 0
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}
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}
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// vstring_with_len converts C char* to V string.
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// NB: the string data is reused, NOT copied.
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[unsafe]
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pub fn (cp charptr) vstring_with_len(len int) string {
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return string{
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str: byteptr(cp)
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len: len
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is_lit: 0
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}
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}
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// vstring_literal converts a C style string to a V string.
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// NB: the string data is reused, NOT copied.
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// NB2: unlike vstring, vstring_literal will mark the string
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// as a literal, so it will not be freed by autofree.
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// This is suitable for readonly strings, C string literals etc,
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// that can be read by the V program, but that should not be
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// managed by it, for example `os.args` is implemented using it.
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[unsafe]
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pub fn (bp byteptr) vstring_literal() string {
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return string{
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str: bp
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len: unsafe { vstrlen(bp) }
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is_lit: 1
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}
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}
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// vstring_with_len converts a C style string to a V string.
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// NB: the string data is reused, NOT copied.
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[unsafe]
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pub fn (bp byteptr) vstring_literal_with_len(len int) string {
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return string{
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str: bp
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len: len
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is_lit: 1
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}
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}
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// vstring_literal converts C char* to V string.
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// See also vstring_literal defined on byteptr for more details.
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// NB: the string data is reused, NOT copied.
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[unsafe]
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pub fn (cp charptr) vstring_literal() string {
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return string{
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str: byteptr(cp)
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len: unsafe { vstrlen_char(cp) }
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is_lit: 1
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}
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}
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// vstring_literal_with_len converts C char* to V string.
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// See also vstring_literal_with_len defined on byteptr.
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// NB: the string data is reused, NOT copied.
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[unsafe]
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pub fn (cp charptr) vstring_literal_with_len(len int) string {
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return string{
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str: byteptr(cp)
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len: len
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is_lit: 1
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}
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}
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