ZIP_FSEEK(3) Introduction to Library Functions ZIP_FSEEK(3)

NAME


zip_fseek, zip_file_is_seekable - seek in file

LIBRARY


libzip (-lzip)

SYNOPSIS


#include <zip.h>

zip_int8_t
zip_fseek(zip_file_t *file, zip_int64_t offset, int whence);

int
zip_file_is_seekable(zip_file_t *file);

DESCRIPTION


The zip_fseek() function seeks to the specified offset relative to
whence, just like fseek(3).

zip_fseek only works on uncompressed (stored), unencrypted data. When
called on compressed or encrypted data it will return an error.

The zip_file_is_seekable() function returns 1 if a file is seekable.

RETURN VALUES


If successful, zip_fseek() returns 0. Otherwise, -1 is returned.

zip_file_is_seekable() returns 1 if a file is seekable and 0 if not.
On an invalid argument, it returns -1.

SEE ALSO


libzip(3), zip_fclose(3), zip_file_get_error(3), zip_fopen(3),
zip_fread(3), zip_ftell(3)

HISTORY


zip_fseek() was added in libzip 1.2.0. zip_file_is_seekable() was
added in libzip 1.9.0.

AUTHORS


Dieter Baron <dillo@nih.at> and Thomas Klausner <wiz@gatalith.at>

illumos September 11, 2024 illumos

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