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[readline] Allow readline_history() to return a meaningful status

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2012-10-24 23:21:49 -07:00
parent 88e19fcda9
commit 2c011d77ae
5 changed files with 32 additions and 20 deletions
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14
src/hci/commands/nvo_cmd.c
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@@ -213,15 +213,19 @@ static int read_value ( const char *name, char **args __unused, char **value ) {
/* Read existing value */
if ( ( rc = fetchf_named_setting_copy ( name, &existing ) ) < 0 )
return rc;
goto err_existing;
/* Read new value */
*value = readline_history ( NULL, existing, NULL );
if ( ( rc = readline_history ( NULL, existing, NULL, value ) ) != 0 )
goto err_new;
/* Free existing value */
/* Success */
rc = 0;
err_new:
free ( existing );
return 0;
err_existing:
return rc;
}
/**