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-rw-r--r--libraries/libldap/charray.c275
1 files changed, 275 insertions, 0 deletions
diff --git a/libraries/libldap/charray.c b/libraries/libldap/charray.c
new file mode 100644
index 0000000..5731edb
--- /dev/null
+++ b/libraries/libldap/charray.c
@@ -0,0 +1,275 @@
+/* charray.c - routines for dealing with char * arrays */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2021 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/string.h>
+#include <ac/socket.h>
+
+#include "ldap-int.h"
+
+int
+ldap_charray_add(
+ char ***a,
+ const char *s
+)
+{
+ int n;
+
+ if ( *a == NULL ) {
+ *a = (char **) LDAP_MALLOC( 2 * sizeof(char *) );
+ n = 0;
+
+ if( *a == NULL ) {
+ return -1;
+ }
+
+ } else {
+ char **new;
+
+ for ( n = 0; *a != NULL && (*a)[n] != NULL; n++ ) {
+ ; /* NULL */
+ }
+
+ new = (char **) LDAP_REALLOC( (char *) *a,
+ (n + 2) * sizeof(char *) );
+
+ if( new == NULL ) {
+ /* caller is required to call ldap_charray_free(*a) */
+ return -1;
+ }
+
+ *a = new;
+ }
+
+ (*a)[n] = LDAP_STRDUP(s);
+
+ if( (*a)[n] == NULL ) {
+ return 1;
+ }
+
+ (*a)[++n] = NULL;
+
+ return 0;
+}
+
+int
+ldap_charray_merge(
+ char ***a,
+ char **s
+)
+{
+ int i, n, nn;
+ char **aa;
+
+ for ( n = 0; *a != NULL && (*a)[n] != NULL; n++ ) {
+ ; /* NULL */
+ }
+ for ( nn = 0; s[nn] != NULL; nn++ ) {
+ ; /* NULL */
+ }
+
+ aa = (char **) LDAP_REALLOC( (char *) *a, (n + nn + 1) * sizeof(char *) );
+
+ if( aa == NULL ) {
+ return -1;
+ }
+
+ *a = aa;
+
+ for ( i = 0; i < nn; i++ ) {
+ (*a)[n + i] = LDAP_STRDUP(s[i]);
+
+ if( (*a)[n + i] == NULL ) {
+ for( --i ; i >= 0 ; i-- ) {
+ LDAP_FREE( (*a)[n + i] );
+ (*a)[n + i] = NULL;
+ }
+ return -1;
+ }
+ }
+
+ (*a)[n + nn] = NULL;
+ return 0;
+}
+
+void
+ldap_charray_free( char **a )
+{
+ char **p;
+
+ if ( a == NULL ) {
+ return;
+ }
+
+ for ( p = a; *p != NULL; p++ ) {
+ if ( *p != NULL ) {
+ LDAP_FREE( *p );
+ }
+ }
+
+ LDAP_FREE( (char *) a );
+}
+
+int
+ldap_charray_inlist(
+ char **a,
+ const char *s
+)
+{
+ int i;
+
+ if( a == NULL ) return 0;
+
+ for ( i=0; a[i] != NULL; i++ ) {
+ if ( strcasecmp( s, a[i] ) == 0 ) {
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+char **
+ldap_charray_dup( char **a )
+{
+ int i;
+ char **new;
+
+ for ( i = 0; a[i] != NULL; i++ )
+ ; /* NULL */
+
+ new = (char **) LDAP_MALLOC( (i + 1) * sizeof(char *) );
+
+ if( new == NULL ) {
+ return NULL;
+ }
+
+ for ( i = 0; a[i] != NULL; i++ ) {
+ new[i] = LDAP_STRDUP( a[i] );
+
+ if( new[i] == NULL ) {
+ for( --i ; i >= 0 ; i-- ) {
+ LDAP_FREE( new[i] );
+ }
+ LDAP_FREE( new );
+ return NULL;
+ }
+ }
+ new[i] = NULL;
+
+ return( new );
+}
+
+char **
+ldap_str2charray( const char *str_in, const char *brkstr )
+{
+ char **res;
+ char *str, *s;
+ char *lasts;
+ int i;
+
+ /* protect the input string from strtok */
+ str = LDAP_STRDUP( str_in );
+ if( str == NULL ) {
+ return NULL;
+ }
+
+ i = 1;
+ for ( s = str; ; LDAP_UTF8_INCR(s) ) {
+ s = ldap_utf8_strpbrk( s, brkstr );
+ if ( !s ) break;
+ i++;
+ }
+
+ res = (char **) LDAP_MALLOC( (i + 1) * sizeof(char *) );
+
+ if( res == NULL ) {
+ LDAP_FREE( str );
+ return NULL;
+ }
+
+ i = 0;
+
+ for ( s = ldap_utf8_strtok( str, brkstr, &lasts );
+ s != NULL;
+ s = ldap_utf8_strtok( NULL, brkstr, &lasts ) )
+ {
+ res[i] = LDAP_STRDUP( s );
+
+ if(res[i] == NULL) {
+ for( --i ; i >= 0 ; i-- ) {
+ LDAP_FREE( res[i] );
+ }
+ LDAP_FREE( res );
+ LDAP_FREE( str );
+ return NULL;
+ }
+
+ i++;
+ }
+
+ res[i] = NULL;
+
+ LDAP_FREE( str );
+ return( res );
+}
+
+char * ldap_charray2str( char **a, const char *sep )
+{
+ char *s, **v, *p;
+ int len;
+ int slen;
+
+ if( sep == NULL ) sep = " ";
+
+ slen = strlen( sep );
+ len = 0;
+
+ for ( v = a; *v != NULL; v++ ) {
+ len += strlen( *v ) + slen;
+ }
+
+ if ( len == 0 ) {
+ return NULL;
+ }
+
+ /* trim extra sep len */
+ len -= slen;
+
+ s = LDAP_MALLOC ( len + 1 );
+
+ if ( s == NULL ) {
+ return NULL;
+ }
+
+ p = s;
+ for ( v = a; *v != NULL; v++ ) {
+ if ( v != a ) {
+ strncpy( p, sep, slen );
+ p += slen;
+ }
+
+ len = strlen( *v );
+ strncpy( p, *v, len );
+ p += len;
+ }
+
+ *p = '\0';
+ return s;
+}