| .\" Automatically generated from an mdoc input file. Do not edit. |
| .\" zip_fdopen.mdoc -- open zip archive using existing file descriptor |
| .\" Copyright (C) 2009-2021 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> |
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| .TH "ZIP_FDOPEN" "3" "December 18, 2017" "NiH" "Library Functions Manual" |
| .nh |
| .if n .ad l |
| .SH "NAME" |
| \fBzip_fdopen\fR |
| \- open zip archive using open file descriptor |
| .SH "LIBRARY" |
| libzip (-lzip) |
| .SH "SYNOPSIS" |
| \fB#include <zip.h>\fR |
| .sp |
| \fIzip_t *\fR |
| .br |
| .PD 0 |
| .HP 4n |
| \fBzip_fdopen\fR(\fIint\ fd\fR, \fIint\ flags\fR, \fIint\ *errorp\fR); |
| .PD |
| .SH "DESCRIPTION" |
| The zip archive specified by the open file descriptor |
| \fIfd\fR |
| is opened and a pointer to a |
| \fIstruct zip\fR, |
| used to manipulate the archive, is returned. |
| In contrast to |
| zip_open(3), |
| using |
| \fBzip_fdopen\fR |
| the archive can only be opened in read-only mode. |
| The |
| \fIfd\fR |
| argument may not be used any longer after calling |
| \fBzip_fdopen\fR. |
| The |
| \fIflags\fR |
| are specified by |
| \fIor\fR'ing |
| the following values, or 0 for none of them. |
| .RS 6n |
| .TP 15n |
| \fRZIP_CHECKCONS\fR |
| Perform additional stricter consistency checks on the archive, and |
| error if they fail. |
| .RE |
| .PP |
| If an error occurs and |
| \fIerrorp\fR |
| is |
| non-\fRNULL\fR, |
| it will be set to the corresponding error code. |
| .SH "RETURN VALUES" |
| Upon successful completion |
| \fBzip_fdopen\fR() |
| returns a |
| \fIstruct zip\fR |
| pointer, and |
| \fIfd\fR |
| should not be used any longer, nor passed to |
| close(2). |
| Otherwise, |
| \fRNULL\fR |
| is returned and |
| \fI*errorp\fR |
| is set to indicate the error. |
| In the error case, |
| \fIfd\fR |
| remains unchanged. |
| .SH "ERRORS" |
| The file specified by |
| \fIfd\fR |
| is prepared for use by |
| libzip(3) |
| unless: |
| .TP 19n |
| [\fRZIP_ER_INCONS\fR] |
| Inconsistencies were found in the file specified by |
| \fIpath\fR. |
| This error is often caused by specifying |
| \fRZIP_CHECKCONS\fR |
| but can also happen without it. |
| .TP 19n |
| [\fRZIP_ER_INVAL\fR] |
| The |
| \fIflags\fR |
| argument is invalid. |
| Not all |
| zip_open(3) |
| flags are allowed for |
| \fBzip_fdopen\fR, |
| see |
| \fIDESCRIPTION\fR. |
| .TP 19n |
| [\fRZIP_ER_MEMORY\fR] |
| Required memory could not be allocated. |
| .TP 19n |
| [\fRZIP_ER_NOZIP\fR] |
| The file specified by |
| \fIfd\fR |
| is not a zip archive. |
| .TP 19n |
| [\fRZIP_ER_OPEN\fR] |
| The file specified by |
| \fIfd\fR |
| could not be prepared for use by |
| libzip(3). |
| .TP 19n |
| [\fRZIP_ER_READ\fR] |
| A read error occurred; see |
| \fIerrno\fR |
| for details. |
| .TP 19n |
| [\fRZIP_ER_SEEK\fR] |
| The file specified by |
| \fIfd\fR |
| does not allow seeks. |
| .SH "SEE ALSO" |
| libzip(3), |
| zip_close(3), |
| zip_error_strerror(3), |
| zip_open(3) |
| .SH "HISTORY" |
| \fBzip_fdopen\fR() |
| was added in libzip 1.0. |
| .SH "AUTHORS" |
| Dieter Baron <\fIdillo@nih.at\fR> |
| and |
| Thomas Klausner <\fItk@giga.or.at\fR> |