IPC@CHIP® RTOS-LNX – API Documentation

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◆ CGI_UrlDecode()

void CGI_UrlDecode ( char *  dst,
const char *  src 

Decodes a URL string.

[out]dstOutput Parameter: Pointer to the buffer the decoded string is to be stored in; must be large enough.
[in]srcURL-encoded string that is to be decoded.
In URL-encoded strings all non-alphanumerical characters except '-', '_' and '.' are encoded as a hexadecimal value preceded by a percent sign (e.g. %26 for the ampersand). The space character is replaced by a plus sign. The text "Test 123 .&%" (without the quotes) would be encoded as "Test+123+.%26%25". This kind of encoding is for example used to pass arguments to a CGI page with the URL.

You can pass the same pointer as src and dst parameter. The encoded string will in this case be overwritten with the decoded string.

This function is used internally when CGI_GetArgument() is called.
See also

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