1 /* charray.c - routines for dealing with char * arrays */
4 * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
12 #include <ac/string.h>
13 #include <ac/socket.h>
26 *a = (char **) ch_malloc( 2 * sizeof(char *) );
29 for ( n = 0; *a != NULL && (*a)[n] != NULL; n++ ) {
33 *a = (char **) ch_realloc( (char *) *a,
34 (n + 2) * sizeof(char *) );
37 (*a)[n++] = ch_strdup(s);
51 *a = (char **) ch_malloc( 2 * sizeof(char *) );
54 for ( n = 0; *a != NULL && (*a)[n] != NULL; n++ ) {
58 *a = (char **) ch_realloc( (char *) *a,
59 (n + 2) * sizeof(char *) );
62 (*a)[n] = (char *) ch_malloc( ( l + 1 ) * sizeof( char ) );
63 strncpy( (*a)[n], s, l );
76 for ( n = 0; *a != NULL && (*a)[n] != NULL; n++ ) {
79 for ( nn = 0; s[nn] != NULL; nn++ ) {
83 *a = (char **) ch_realloc( (char *) *a, (n + nn + 1) * sizeof(char *) );
85 for ( i = 0; i < nn; i++ ) {
86 (*a)[n + i] = ch_strdup(s[i]);
92 charray_free( char **array )
96 if ( array == NULL ) {
100 for ( a = array; *a != NULL; a++ ) {
105 free( (char *) array );
116 if( a == NULL ) return 0;
118 for ( i = 0; a[i] != NULL; i++ ) {
119 if ( strcasecmp( s, a[i] ) == 0 ) {
128 charray_dup( char **a )
133 for ( i = 0; a[i] != NULL; i++ )
136 new = (char **) ch_malloc( (i + 1) * sizeof(char *) );
138 for ( i = 0; a[i] != NULL; i++ ) {
139 new[i] = ch_strdup( a[i] );
148 str2charray( const char *str_in, const char *brkstr )
156 /* protect the input string from strtok */
157 str = ch_strdup( str_in );
160 for ( s = str; *s; s++ ) {
161 if ( strchr( brkstr, *s ) != NULL ) {
166 res = (char **) ch_malloc( (i + 1) * sizeof(char *) );
169 for ( s = ldap_pvt_strtok( str, brkstr, &lasts );
171 s = ldap_pvt_strtok( NULL, brkstr, &lasts ) )
173 res[i++] = ch_strdup( s );
183 charray_strcmp( const char **a1, const char **a2 )
185 for ( ; a1[0] && a2[0]; a1++, a2++ ) {
186 if ( strcmp( a1[0], a2[0] ) ) {
191 if ( a1[0] || a2[0] ) {
200 charray_strcasecmp( const char **a1, const char **a2 )
202 for ( ; a1[0] && a2[0]; a1++, a2++ ) {
203 if ( strcasecmp( a1[0], a2[0] ) ) {
208 if ( a1[0] || a2[0] ) {
215 /* strcopy is like strcpy except it returns a pointer to the trailing NUL of
216 * the result string. This allows fast construction of catenated strings
217 * without the overhead of strlen/strcat.
228 while ((*a++ = *b++)) ;
232 /* strncopy is like strcpy except it returns a pointer to the trailing NUL of
233 * the result string. This allows fast construction of catenated strings
234 * without the overhead of strlen/strcat.
243 if (!a || !b || n == 0)
246 while ((*a++ = *b++) && n-- > 0) ;