diff options
Diffstat (limited to 'ldap/c-sdk/libraries/libldap/charray.c')
| -rw-r--r-- | ldap/c-sdk/libraries/libldap/charray.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/ldap/c-sdk/libraries/libldap/charray.c b/ldap/c-sdk/libraries/libldap/charray.c new file mode 100644 index 000000000..043f99e8a --- /dev/null +++ b/ldap/c-sdk/libraries/libldap/charray.c @@ -0,0 +1,248 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Mozilla Communicator client code, released + * March 31, 1998. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998-1999 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either of the GNU General Public License Version 2 or later (the "GPL"), + * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ +/* charray.c - routines for dealing with char * arrays */ + + +#include "ldap-int.h" + +/* + * Add s at the end of the array of strings *a. + * Return 0 for success, -1 for failure. + */ +int +LDAP_CALL +ldap_charray_add( + char ***a, + char *s +) +{ + int n; + + if ( *a == NULL ) { + *a = (char **)NSLDAPI_MALLOC( 2 * sizeof(char *) ); + if ( *a == NULL ) { + return -1; + } + n = 0; + } else { + for ( n = 0; *a != NULL && (*a)[n] != NULL; n++ ) { + ; /* NULL */ + } + + *a = (char **)NSLDAPI_REALLOC( (char *) *a, + (n + 2) * sizeof(char *) ); + if ( *a == NULL ) { + return -1; + } + } + + (*a)[n++] = s; + (*a)[n] = NULL; + return 0; +} + +/* + * Add array of strings s at the end of the array of strings *a. + * Return 0 for success, -1 for failure. + */ +int +LDAP_CALL +ldap_charray_merge( + char ***a, + char **s +) +{ + int i, n, nn; + + if ( (s == NULL) || (s[0] == NULL) ) + return 0; + + for ( n = 0; *a != NULL && (*a)[n] != NULL; n++ ) { + ; /* NULL */ + } + for ( nn = 0; s[nn] != NULL; nn++ ) { + ; /* NULL */ + } + + *a = (char **)NSLDAPI_REALLOC( (char *) *a, + (n + nn + 1) * sizeof(char *) ); + if ( *a == NULL ) { + return -1; + } + + for ( i = 0; i < nn; i++ ) { + (*a)[n + i] = s[i]; + } + (*a)[n + nn] = NULL; + return 0; +} + +void +LDAP_CALL +ldap_charray_free( char **array ) +{ + char **a; + + if ( array == NULL ) { + return; + } + + for ( a = array; *a != NULL; a++ ) { + if ( *a != NULL ) { + NSLDAPI_FREE( *a ); + } + } + NSLDAPI_FREE( (char *) array ); +} + +int +LDAP_CALL +ldap_charray_inlist( + char **a, + 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 ); +} + +/* + * Duplicate the array of strings a, return NULL upon any memory failure. + */ +char ** +LDAP_CALL +ldap_charray_dup( char **a ) +{ + int i; + char **new; + + for ( i = 0; a[i] != NULL; i++ ) + ; /* NULL */ + + new = (char **)NSLDAPI_MALLOC( (i + 1) * sizeof(char *) ); + if ( new == NULL ) { + return NULL; + } + + for ( i = 0; a[i] != NULL; i++ ) { + new[i] = nsldapi_strdup( a[i] ); + if ( new[i] == NULL ) { + int j; + + for ( j = 0; j < i; j++ ) + NSLDAPI_FREE( new[j] ); + NSLDAPI_FREE( new ); + return NULL; + } + } + new[i] = NULL; + + return( new ); +} + +/* + * Tokenize the string str, return NULL upon any memory failure. + * XXX: on many platforms this function is not thread safe because it + * uses strtok(). + */ +char ** +LDAP_CALL +ldap_str2charray( char *str, char *brkstr ) + /* This implementation fails if brkstr contains multibyte characters. + But it works OK if str is UTF-8 and brkstr is 7-bit ASCII. + */ +{ + char **res; + char *s; + int i; +#ifdef HAVE_STRTOK_R /* defined in portable.h */ + char *lasts; +#endif + + i = 1; + for ( s = str; *s; s++ ) { + if ( strchr( brkstr, *s ) != NULL ) { + i++; + } + } + + res = (char **)NSLDAPI_MALLOC( (i + 1) * sizeof(char *) ); + if ( res == NULL ) { + return NULL; + } + i = 0; + for ( s = STRTOK( str, brkstr, &lasts ); s != NULL; s = STRTOK( NULL, + brkstr, &lasts ) ) { + res[i++] = nsldapi_strdup( s ); + if ( res[i - 1] == NULL ) { + int j; + + for ( j = 0; j < (i - 1); j++ ) + NSLDAPI_FREE( res[j] ); + NSLDAPI_FREE( res ); + return NULL; + } + } + res[i] = NULL; + + return( res ); +} + +int +LDAP_CALL +ldap_charray_position( char **a, char *s ) +{ + int i; + + for ( i = 0; a[i] != NULL; i++ ) { + if ( strcasecmp( s, a[i] ) == 0 ) { + return( i ); + } + } + + return( -1 ); +} |