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comedi_get_default_calibration_path(): Check result of asprintf() for error.

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This commit is contained in:
Ian Abbott 2009-02-18 15:35:09 +00:00
parent d7bdd10bd6
commit 12eedd26b3
1 changed files with 6 additions and 1 deletions
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7
lib/calib.c
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@ -185,6 +185,7 @@ char* _comedi_get_default_calibration_path( comedi_t *dev )
const char *temp;
char *board_name;
const char *driver_name;
int err;
if(!valid_dev(dev)) return NULL;
if( fstat( comedi_fileno( dev ), &file_stats ) < 0 )
@ -206,10 +207,14 @@ char* _comedi_get_default_calibration_path( comedi_t *dev )
board_name = strdup( temp );
fixup_board_name( board_name );
asprintf( &file_path, LOCALSTATEDIR "/lib/comedi/calibrations/%s_%s_comedi%li",
err = asprintf( &file_path, LOCALSTATEDIR "/lib/comedi/calibrations/%s_%s_comedi%li",
driver_name, board_name, ( unsigned long ) minor( file_stats.st_rdev ) );
free( board_name );
if( err < 0 )
{
return NULL;
}
return file_path;
}