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[libc] Use only generic errortab entries to match generic errors

This commit is contained in:
Michael Brown 2009-11-14 21:08:39 +00:00
parent be670840c7
commit 76d5e493d1
1 changed files with 4 additions and 5 deletions
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9
src/hci/strerror.c
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@ -24,14 +24,13 @@ FILE_LICENCE ( GPL2_OR_LATER );
* Find error description
*
* @v errno Error number
* @v mask Mask of bits that we care about
* @ret errortab Error description, or NULL
*/
static struct errortab * find_error ( int errno, int mask ) {
static struct errortab * find_error ( int errno ) {
struct errortab *errortab;
for_each_table_entry ( errortab, ERRORTAB ) {
if ( ( ( errortab->errno ^ errno ) & mask ) == 0 )
if ( errortab->errno == errno )
return errortab;
}
@ -50,13 +49,13 @@ static struct errortab * find_closest_error ( int errno ) {
struct errortab *errortab;
/* First, look for an exact match */
if ( ( errortab = find_error ( errno, 0x7fffffff ) ) != NULL )
if ( ( errortab = find_error ( errno ) ) != NULL )
return errortab;
/* Second, try masking off the gPXE-specific bit and seeing if
* we have an entry for the generic POSIX error message.
*/
if ( ( errortab = find_error ( errno, 0x4f0000ff ) ) != NULL )
if ( ( errortab = find_error ( errno & 0x7f0000ff ) ) != NULL )
return errortab;
return NULL;