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zip_open_from_source.3
.\" zip_open.mdoc -- open zip archive .\" Copyright (C) 2003-2017 Dieter Baron and Thomas Klausner .\" .\" This file is part of libzip, a library to manipulate ZIP archives. .\" The authors can be contacted at <libzip@nih.at> .\" .\" Redistribution and use in source and binary forms, with or without .\" modification, are permitted provided that the following conditions .\" are met: .\" 1. Redistributions of source code must retain the above copyright .\" notice, this list of conditions and the following disclaimer. .\" 2. Redistributions in binary form must reproduce the above copyright .\" notice, this list of conditions and the following disclaimer in .\" the documentation and/or other materials provided with the .\" distribution. .\" 3. The names of the authors may not be used to endorse or promote .\" products derived from this software without specific prior .\" written permission. .\" .\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS .\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED .\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE .\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY .\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE .\" GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS .\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER .\" IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN .\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .Dd December 18, 2017 .Dt ZIP_OPEN 3 .Os .Sh NAME .Nm zip_open , .Nm zip_open_from_source .Nd open zip archive .Sh LIBRARY libzip (-lzip) .Sh SYNOPSIS .In zip.h .Ft zip_t * .Fn zip_open "const char *path" "int flags" "int *errorp" .Ft zip_t * .Fn zip_open_from_source "zip_source_t *zs" "int flags" "zip_error_t *ze" .Sh DESCRIPTION The .Fn zip_open function opens the zip archive specified by .Ar path and returns a pointer to a .Ft struct zip , used to manipulate the archive. The .Fa flags are specified by .Em or Ns No 'ing the following values, or 0 for none of them. .Bl -tag -offset indent -width ZIP_CHECKCONS .It Dv ZIP_CHECKCONS Perform additional stricter consistency checks on the archive, and error if they fail. .It Dv ZIP_CREATE Create the archive if it does not exist. .It Dv ZIP_EXCL Error if archive already exists. .It Dv ZIP_TRUNCATE If archive exists, ignore its current contents. In other words, handle it the same way as an empty archive. .It Dv ZIP_RDONLY Open archive in read-only mode. .El .Pp If an error occurs and .Ar errorp is .Pf non- Dv NULL , it will be set to the corresponding error code. .Pp The .Fn zip_open_from_source function opens a zip archive encapsulated by the zip_source .Fa zs using the provided .Fa flags . In case of error, the zip_error .Fa ze is filled in. .Sh RETURN VALUES Upon successful completion .Fn zip_open and .Fn zip_open_from_source return a .Ft struct zip pointer. Otherwise, .Dv NULL is returned and .Fn zip_open sets .Ar *errorp to indicate the error, while .Fn zip_open_from source sets .Ar ze to indicate the error. .Sh ERRORS The archive specified by .Ar path is opened unless: .Bl -tag -width Er .It Bq Er ZIP_ER_EXISTS The file specified by .Ar path exists and .Dv ZIP_EXCL is set. .It Bq Er ZIP_ER_INCONS Inconsistencies were found in the file specified by .Ar path . This error is often caused by specifying .Dv ZIP_CHECKCONS but can also happen without it. .It Bq Er ZIP_ER_INVAL The .Ar path argument is .Dv NULL . .It Bq Er ZIP_ER_MEMORY Required memory could not be allocated. .It Bq Er ZIP_ER_NOENT The file specified by .Ar path does not exist and .Dv ZIP_CREATE is not set. .It Bq Er ZIP_ER_NOZIP The file specified by .Ar path is not a zip archive. .It Bq Er ZIP_ER_OPEN The file specified by .Ar path could not be opened. .It Bq Er ZIP_ER_READ A read error occurred; see .Va errno for details. .It Bq Er ZIP_ER_SEEK The file specified by .Ar path does not allow seeks. .El .Sh SEE ALSO .Xr libzip 3 , .Xr zip_close 3 , .Xr zip_error_to_str 3 , .Xr zip_fdopen 3 .Sh HISTORY .Fn zip_open and .Fn zip_open_from_source were added in libzip 1.0. .Sh AUTHORS .An -nosplit .An Dieter Baron Aq Mt dillo@nih.at and .An Thomas Klausner Aq Mt tk@giga.or.at