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22 lines
643 B
Markdown
22 lines
643 B
Markdown
---
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title: "mg_dns_uncompress_name()"
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decl_name: "mg_dns_uncompress_name"
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symbol_kind: "func"
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signature: |
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size_t mg_dns_uncompress_name(struct mg_dns_message *msg, struct mg_str *name,
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char *dst, int dst_len);
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---
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Uncompresses a DNS compressed name.
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The containing DNS message is required because of the compressed encoding
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and reference suffixes present elsewhere in the packet.
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If the name is less than `dst_len` characters long, the remainder
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of `dst` is terminated with `\0` characters. Otherwise, `dst` is not
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terminated.
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If `dst_len` is 0 `dst` can be NULL.
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Returns the uncompressed name length.
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