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|
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include <magic.h>
#include <string.h>
#include "const-c.inc"
/* I don't know anything about perlxs, just trying my best. ;)
*/
MODULE = File::LibMagic PACKAGE = File::LibMagic
INCLUDE: const-xs.inc
PROTOTYPES: ENABLE
# First the two :easy functions
SV * MagicBuffer(buffer)
SV * buffer
PREINIT:
char * ret;
STRLEN len;
int ret_i;
char * buffer_value;
magic_t m;
CODE:
/* First make sure they actually gave us a defined scalar */
if ( !SvOK(buffer) ) {
Perl_croak(aTHX_ "MagicBuffer requires defined content");
}
m = magic_open(MAGIC_NONE);
if ( m == NULL ) {
Perl_croak(aTHX_ "libmagic out of memory");
}
ret_i = magic_load(m,NULL);
if ( ret_i < 0 ) {
Perl_croak(aTHX_ "libmagic %s", magic_error(m));
}
buffer_value = SvPV(buffer, len);
ret = (char*) magic_buffer(m,buffer_value,len);
if ( ret == NULL ) {
Perl_croak(aTHX_ "libmagic %s", magic_error(m));
}
RETVAL = newSVpvn(ret, strlen(ret));
magic_close(m);
OUTPUT:
RETVAL
SV * MagicFile(buffer)
SV * buffer
PREINIT:
char * ret;
int ret_i;
magic_t m;
char * buffer_value;
CODE:
/* First make sure they actually gave us a defined scalar */
if ( !SvOK(buffer) ) {
Perl_croak(aTHX_ "MagicFile requires a filename");
}
m = magic_open(MAGIC_NONE);
if ( m == NULL ) {
Perl_croak(aTHX_ "libmagic out of memory");
}
ret_i = magic_load(m,NULL);
if ( ret_i < 0 ) {
Perl_croak(aTHX_ "libmagic %s", magic_error(m));
}
buffer_value = SvPV_nolen(buffer);
ret=(char*) magic_file(m,buffer_value);
if ( ret == NULL ) {
Perl_croak(aTHX_ "libmagic %s", magic_error(m));
}
RETVAL = newSVpvn(ret, strlen(ret));
magic_close(m);
OUTPUT:
RETVAL
# now all :complete functions
IV magic_open(flags)
int flags
PREINIT:
magic_t m;
CODE:
m=magic_open(flags);
if ( m == NULL ) {
Perl_croak( aTHX_ "libmagic out of memory" );
}
RETVAL=(long) m;
OUTPUT:
RETVAL
void magic_close(handle)
long handle
PREINIT:
magic_t m;
CODE:
if ( !handle ) {
Perl_croak( aTHX_ "magic_close requires a defined handle" );
}
m=(magic_t) handle;
magic_close(m);
IV magic_load(handle,dbnames)
long handle
SV * dbnames
PREINIT:
magic_t m;
STRLEN len = 0;
char * dbnames_value;
int ret;
CODE:
if ( !handle ) {
Perl_croak( aTHX_ "magic_load requires a defined handle" );
}
m=(magic_t) handle;
if ( SvOK(dbnames) ) { // is dbnames defined?
dbnames_value = SvPV(dbnames, len);
}
/* FIXME
* manpage says 0 = success, any other failure
* thus does the following line correctly reflect this? */
ret=magic_load(m, len > 0 ? dbnames_value : NULL);
/*
* printf("Ret %d, \"%s\"\n",ret,dbnames_value);
*/
RETVAL = ! ret;
if ( RETVAL < 0 ) {
Perl_croak( aTHX_ "libmagic %s", magic_error(m) );
}
OUTPUT:
RETVAL
SV * magic_buffer(handle,buffer)
long handle
SV * buffer
PREINIT:
magic_t m;
char * ret;
STRLEN len;
char * buffer_value;
CODE:
if ( !handle ) {
Perl_croak( aTHX_ "magic_buffer requires a defined handle" );
}
/* First make sure they actually gave us a defined scalar */
if ( !SvOK(buffer) ) {
Perl_croak(aTHX_ "magic_buffer requires defined content");
}
m = (magic_t) handle;
buffer_value = SvPV(buffer, len);
ret = (char*) magic_buffer(m,buffer_value,len);
if ( ret == NULL ) {
Perl_croak(aTHX_ "libmagic %s", magic_error(m));
}
RETVAL = newSVpvn(ret, strlen(ret));
OUTPUT:
RETVAL
SV * magic_buffer_offset(handle,buffer,offset,BuffLen)
long handle
char * buffer
long offset
long BuffLen
PREINIT:
magic_t m;
char * ret;
STRLEN len;
long MyLen;
CODE:
if ( !handle ) {
Perl_croak( aTHX_ "magic_buffer requires a defined handle" );
}
m = (magic_t) handle;
/* FIXME check length for out of bound errors */
MyLen= (long) BuffLen;
ret = (char*) magic_buffer(m, (char *) &buffer[ (long) offset], MyLen);
if ( ret == NULL ) {
Perl_croak(aTHX_ "libmagic %s", magic_error(m));
}
RETVAL = newSVpvn(ret, strlen(ret));
OUTPUT:
RETVAL
SV * magic_file(handle,buffer)
long handle
SV * buffer
PREINIT:
char * ret;
char * buffer_value;
magic_t m;
CODE:
if ( !handle ) {
Perl_croak( aTHX_ "magic_file requires a defined handle" );
}
/* First make sure they actually gave us a defined scalar */
if ( !SvOK(buffer) ) {
Perl_croak(aTHX_ "magic_file requires a filename");
}
m = (magic_t) handle;
buffer_value = SvPV_nolen(buffer);
ret = (char*) magic_file(m,buffer_value);
if ( ret == NULL ) {
Perl_croak(aTHX_ "libmagic %s", magic_error(m));
}
RETVAL = newSVpvn(ret, strlen(ret));
OUTPUT:
RETVAL
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