mirror of
https://github.com/aler9/rtsp-simple-server
synced 2026-04-22 23:17:11 +08:00
Alessandro Ros
27 lines
444 B
Go
27 lines
444 B
Go
package api
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import (
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"fmt"
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"io"
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)
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var errSizeExceeded = fmt.Errorf("size exceeds maximum allowed")
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// like io.LimitReader, but returns a dedicated error if the limit is exceeded.
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type customLimitReader struct {
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r io.Reader
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n int64
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}
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func (l *customLimitReader) Read(p []byte) (n int, err error) {
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if l.n <= 0 {
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return 0, errSizeExceeded
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}
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if int64(len(p)) > l.n {
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p = p[0:l.n]
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}
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n, err = l.r.Read(p)
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l.n -= int64(n)
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return
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}
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