setting UFN prefix to NULL should clear prefix not cause crash.

[openldap] / libraries / liblber / options.c

diff --git a/libraries/liblber/options.c b/libraries/liblber/options.c
index bf785119d7682027cecb6063a020e5a3cb3480cb..03a4e3c56aae2cab66720efdf02d640092dd356f 100644 (file)
--- a/libraries/liblber/options.c
+++ b/libraries/liblber/options.c
@@ -8,9 +8,6 @@
 #include <ac/stdlib.h>
 #include <ac/string.h>
 
-#undef LDAP_F_PRE
-#define LDAP_F_PRE LDAP_F_EXPORT
-
 #include "lber-int.h"
 
 struct lber_options ber_int_options = {
@@ -29,6 +26,7 @@ ber_get_option(
 
        if(outvalue == NULL) {
                /* no place to get to */
+               ber_errno = LBER_ERROR_PARAM;
                return LBER_OPT_ERROR;
        }
 
@@ -38,6 +36,7 @@ ber_get_option(
                        return LBER_OPT_SUCCESS;
                }
 
+               ber_errno = LBER_ERROR_PARAM;
                return LBER_OPT_ERROR;
        }
 
@@ -55,8 +54,21 @@ ber_get_option(
                * (int *) outvalue = ber->ber_debug;
                return LBER_OPT_SUCCESS;
 
+       case LBER_OPT_BER_REMAINING_BYTES:
+               *((ber_len_t *) outvalue) = ber->ber_end - ber->ber_ptr;
+               return LBER_OPT_SUCCESS;
+
+       case LBER_OPT_BER_TOTAL_BYTES:
+               *((ber_len_t *) outvalue) = ber->ber_end - ber->ber_buf;
+               return LBER_OPT_SUCCESS;
+
+       case LBER_OPT_BER_BYTES_TO_WRITE:
+               *((ber_len_t *) outvalue) = ber->ber_ptr - ber->ber_buf;
+               return LBER_OPT_SUCCESS;
+
        default:
                /* bad param */
+               ber_errno = LBER_ERROR_PARAM;
                break;
        }
 
@@ -84,6 +96,7 @@ ber_set_option(
                if(!( f->bmf_malloc && f->bmf_calloc
                        && f->bmf_realloc && f->bmf_free ))
                {
+                       ber_errno = LBER_ERROR_PARAM;
                        return LBER_OPT_ERROR;
                }
 
@@ -91,6 +104,7 @@ ber_set_option(
                        (*(f->bmf_malloc))(sizeof(BerMemoryFunctions));
 
                if ( ber_int_memory_fns == NULL ) {
+                       ber_errno = LBER_ERROR_MEMORY;
                        return LBER_OPT_ERROR;
                }
 
@@ -104,6 +118,7 @@ ber_set_option(
 
        if(invalue == NULL) {
                /* no place to set from */
+               ber_errno = LBER_ERROR_PARAM;
                return LBER_OPT_ERROR;
        }
 
@@ -117,6 +132,7 @@ ber_set_option(
                        return LBER_OPT_SUCCESS;
                }
 
+               ber_errno = LBER_ERROR_PARAM;
                return LBER_OPT_ERROR;
        }
 
@@ -134,8 +150,21 @@ ber_set_option(
                ber->ber_debug = * (const int *) invalue;
                return LBER_OPT_SUCCESS;
 
+       case LBER_OPT_BER_REMAINING_BYTES:
+               ber->ber_end = &ber->ber_ptr[* (const ber_len_t *) invalue];
+               return LBER_OPT_SUCCESS;
+
+       case LBER_OPT_BER_TOTAL_BYTES:
+               ber->ber_end = &ber->ber_buf[* (const ber_len_t *) invalue];
+               return LBER_OPT_SUCCESS;
+
+       case LBER_OPT_BER_BYTES_TO_WRITE:
+               ber->ber_ptr = &ber->ber_buf[* (const ber_len_t *) invalue];
+               return LBER_OPT_SUCCESS;
+
        default:
                /* bad param */
+               ber_errno = LBER_ERROR_PARAM;
                break;
        }