.TH "libalpm_log" 3 "libalpm" \" -*- nroff -*-
.ad l
.nh
.SH NAME
libalpm_log \- Logging Functions
.SH SYNOPSIS
.br
.PP
.SS "Typedefs"

.in +1c
.ti -1c
.RI "typedef void(* \fBalpm_cb_log\fP) (void *ctx, \fBalpm_loglevel_t\fP level, const char *fmt, va_list args)"
.br
.RI "The callback type for logging\&. "
.in -1c
.SS "Enumerations"

.in +1c
.ti -1c
.RI "enum \fBalpm_loglevel_t\fP { \fBALPM_LOG_ERROR\fP = 1, \fBALPM_LOG_WARNING\fP = (1 << 1), \fBALPM_LOG_DEBUG\fP = (1 << 2), \fBALPM_LOG_FUNCTION\fP = (1 << 3) }"
.br
.RI "Logging Levels\&. "
.in -1c
.SS "Functions"

.in +1c
.ti -1c
.RI "int \fBalpm_logaction\fP (\fBalpm_handle_t\fP *handle, const char *prefix, const char *fmt,\&.\&.\&.) __attribute__((format(printf"
.br
.RI "A printf-like function for logging\&. "
.in -1c
.SH "Detailed Description"
.PP 


Functions to log using libalpm 
.SH "Typedef Documentation"
.PP 
.SS "typedef void(* alpm_cb_log) (void *ctx, \fBalpm_loglevel_t\fP level, const char *fmt, va_list args)"

.PP
The callback type for logging\&. libalpm will call this function whenever something is to be logged\&. many libalpm will produce log output\&. Additionally any calls to \fBalpm_logaction\fP will also call this callback\&. 
.PP
\fBParameters\fP
.RS 4
\fIctx\fP user-provided context 
.br
\fIlevel\fP the currently set loglevel 
.br
\fIfmt\fP the printf like format string 
.br
\fIargs\fP printf like arguments 
.RE
.PP

.SH "Enumeration Type Documentation"
.PP 
.SS "enum \fBalpm_loglevel_t\fP"

.PP
Logging Levels\&. 
.PP
\fBEnumerator\fP
.in +1c
.TP
\fB\fIALPM_LOG_ERROR \fP\fP
Error\&. 
.TP
\fB\fIALPM_LOG_WARNING \fP\fP
Warning\&. 
.TP
\fB\fIALPM_LOG_DEBUG \fP\fP
Debug\&. 
.TP
\fB\fIALPM_LOG_FUNCTION \fP\fP
Function\&. 
.SH "Function Documentation"
.PP 
.SS "int alpm_logaction (\fBalpm_handle_t\fP * handle, const char * prefix, const char * fmt,  \&.\&.\&.)"

.PP
A printf-like function for logging\&. 
.PP
\fBParameters\fP
.RS 4
\fIhandle\fP the context handle 
.br
\fIprefix\fP caller-specific prefix for the log 
.br
\fIfmt\fP output format 
.RE
.PP
\fBReturns\fP
.RS 4
0 on success, -1 on error (pm_errno is set accordingly) 
.RE
.PP

.SH "Author"
.PP 
Generated automatically by Doxygen for libalpm from the source code\&.