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.TH "Package Functions" 3 "16 Oct 2006" "libalpm" \" -*- nroff -*-
.ad l
.nh
.SH NAME
Package Functions \- Functions to manipulate libalpm packages.  

.PP
.SS "Functions"

.in +1c
.ti -1c
.RI "void * \fBalpm_pkg_getinfo\fP (pmpkg_t *pkg, unsigned char parm)"
.br
.ti -1c
.RI "int \fBalpm_pkg_load\fP (char *filename, pmpkg_t **pkg)"
.br
.ti -1c
.RI "int \fBalpm_pkg_free\fP (pmpkg_t *pkg)"
.br
.ti -1c
.RI "int \fBalpm_pkg_checksha1sum\fP (pmpkg_t *pkg)"
.br
.ti -1c
.RI "int \fBalpm_pkg_checkmd5sum\fP (pmpkg_t *pkg)"
.br
.ti -1c
.RI "int \fBalpm_pkg_vercmp\fP (const char *ver1, const char *ver2)"
.br
.in -1c
.SH "Detailed Description"
.PP 
Functions to manipulate libalpm packages. 
.PP
.SH "Function Documentation"
.PP 
.SS "int alpm_pkg_checkmd5sum (pmpkg_t * pkg)"
.PP
Check the integrity (with md5) of a package from the sync cache. 
.PP
\fBParameters:\fP
.RS 4
\fIpkg\fP package pointer 
.RE
.PP
\fBReturns:\fP
.RS 4
0 on success, -1 on error (pm_errno is set accordingly) 
.RE
.PP

.SS "int alpm_pkg_checksha1sum (pmpkg_t * pkg)"
.PP
Check the integrity (with sha1) of a package from the sync cache. 
.PP
\fBParameters:\fP
.RS 4
\fIpkg\fP package pointer 
.RE
.PP
\fBReturns:\fP
.RS 4
0 on success, -1 on error (pm_errno is set accordingly) 
.RE
.PP

.SS "int alpm_pkg_free (pmpkg_t * pkg)"
.PP
Free a package. 
.PP
\fBParameters:\fP
.RS 4
\fIpkg\fP package pointer to free 
.RE
.PP
\fBReturns:\fP
.RS 4
0 on success, -1 on error (pm_errno is set accordingly) 
.RE
.PP

.SS "void* alpm_pkg_getinfo (pmpkg_t * pkg, unsigned char parm)"
.PP
Get informations about a package. 
.PP
\fBParameters:\fP
.RS 4
\fIpkg\fP package pointer 
.br
\fIparm\fP name of the info to get 
.RE
.PP
\fBReturns:\fP
.RS 4
a char* on success (the value), NULL on error 
.RE
.PP

.SS "int alpm_pkg_load (char * filename, pmpkg_t ** pkg)"
.PP
Create a package from a file. 
.PP
\fBParameters:\fP
.RS 4
\fIfilename\fP location of the package tarball 
.br
\fIpkg\fP address of the package pointer 
.RE
.PP
\fBReturns:\fP
.RS 4
0 on success, -1 on error (pm_errno is set accordingly) 
.RE
.PP

.SS "int alpm_pkg_vercmp (const char * ver1, const char * ver2)"
.PP
Compare versions. 
.PP
\fBParameters:\fP
.RS 4
\fIver1\fP first version 
.br
\fIver2\fP secont version 
.RE
.PP
\fBReturns:\fP
.RS 4
postive, 0 or negative if ver1 is less, equal or more than ver2, respectively. 
.RE
.PP