ZIP_FOPEN(3) Library Functions Manual ZIP_FOPEN(3)NAME
zip_fopen, zip_fopen_index - open file in zip archive for reading
LIBRARY
libzip (-lzip)
SYNOPSIS
zip.h zip_file_t * zip_fopen zip_t *archive const char *fname
zip_flags_t flags zip_file_t * zip_fopen_index zip_t *archive
zip_uint64_t index zip_flags_t flags
DESCRIPTION
The zip_fopen function opens the file name fname in archive. The flags
argument specifies how the name lookup should be done, according to the
values are described in zip_name_locate(3). Also, the following values
may be or'ed to it.
ZIP_FL_COMPRESSED
Read the compressed data. Otherwise the data is uncompressed by
zip_fread.
ZIP_FL_UNCHANGED
Read the original data from the zip archive, ignoring any
changes made to the file.
The zip_fopen_index function opens the file at position index.
If encrypted data is encountered, the functions call
zip_fopen_encrypted(3) or zip_fopen_index_encrypted(3) respectively,
using the default password set with zip_set_default_password(3).
RETURN VALUES
Upon successful completion, a struct zip_file pointer is returned.
Otherwise, NULL is returned and the error code in archive is set to
indicate the error.
ERRORS
[ZIP_ER_CHANGED] The file data has been changed.
[ZIP_ER_COMPNOTSUPP]
The compression method used is not supported.
[ZIP_ER_ENCRNOTSUPP]
The encryption method used is not supported.
[ZIP_ER_MEMORY] Required memory could not be allocated.
[ZIP_ER_NOPASSWD]
The file is encrypted, but no password has been pro‐
vided.
[ZIP_ER_READ] A file read error occurred.
[ZIP_ER_SEEK] A file seek error occurred.
[ZIP_ER_WRONGPASSWD]
The provided password does not match the password used
for encryption. Note that some incorrect passwords
are not detected by the check done by zip_fopen.
[ZIP_ER_ZLIB] Initializing the zlib stream failed.
The function zip_fopen may also fail and set zip_err for any of the
errors specified for the routine zip_name_locate(3).
The function zip_fopen_index may also fail with ZIP_ER_INVAL if index
is invalid.
SEE ALSOlibzip(3), zip_fclose(3), zip_fread(3), zip_get_num_entries(3),
zip_name_locate(3), zip_set_default_password(3)AUTHORS
Dieter Baron <dillo@nih.at> and Thomas Klausner <tk@giga.or.at>
NiH October 23, 2013 ZIP_FOPEN(3)
