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  • Errors

file_pread_ifmod

Name

file_pread_ifmod

Auth

yes

Description

Same as file_pread, but additionally expects sha1 or md5 parameter (hex).

If the checksum of the data to be read matches the sha1 or md5 checksum, it returns error code 6000 Not modified.

This call is useful if the application has the data cached and wants to verify if it still current.

You can see how to read data here.

Output

Returns the data.

Required

ParameterDescription
fdint the file descriptor, from which data is read
countint count in bytes, which to be read from the descriptor
offsetint in bytes, from where to start reading in the file
sha1string the SHA-1 checksum of the part of the file from the offset, to be checked
md5string the MD5 checksum of the part of the file from the offset, to be checked
Use sha1 or md5, but not both.

Errors

CodeDescription
1000Log in required.
1007Invalid or closed file descriptor.
1009Please provide 'offset'.
1011Please provide 'count'.
2000Log in failed.
4000Too many login tries from this IP address.
5004Read error. Try reopening the file.
6000Not modified

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