src/syscall: update src buffer after write

dgryski · dgryski · commit 9be956f4bcf4 · 2025-10-28T12:43:23.000-07:00
Fixes #5012
diff --git a/src/syscall/libc_wasip2.go b/src/syscall/libc_wasip2.go
@@ -212,6 +212,7 @@ func writeStream(stream *wasiStream, buf *byte, count uint, offset int64) int {
 			return -1
 		}
 		remaining -= len
+		src = src[len:]
 	}
 
 	return int(count)

Original file line number	Diff line number	Diff line change
`@@ -212,6 +212,7 @@ func writeStream(stream wasiStream, buf byte, count uint, offset int64) int {`
`212`	`212`	`return -1`
`213`	`213`	`}`
`214`	`214`	`remaining -= len`
	`215`	`+ src = src[len:]`
`215`	`216`	`}`
`216`	`217`
`217`	`218`	`return int(count)`