openldap/servers/slapd/charray.c

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/* charray.c - routines for dealing with char * arrays */
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include "slap.h"
void
charray_add(
char ***a,
char *s
)
{
int n;
if ( *a == NULL ) {
*a = (char **) ch_malloc( 2 * sizeof(char *) );
n = 0;
} else {
for ( n = 0; *a != NULL && (*a)[n] != NULL; n++ ) {
; /* NULL */
}
*a = (char **) ch_realloc( (char *) *a,
(n + 2) * sizeof(char *) );
}
(*a)[n++] = s;
(*a)[n] = NULL;
}
void
charray_merge(
char ***a,
char **s
)
{
int i, n, nn;
for ( n = 0; *a != NULL && (*a)[n] != NULL; n++ ) {
; /* NULL */
}
for ( nn = 0; s[nn] != NULL; nn++ ) {
; /* NULL */
}
*a = (char **) ch_realloc( (char *) *a, (n + nn + 1) * sizeof(char *) );
for ( i = 0; i < nn; i++ ) {
(*a)[n + i] = s[i];
}
(*a)[n + nn] = NULL;
}
void
charray_free( char **array )
{
char **a;
if ( array == NULL ) {
return;
}
for ( a = array; *a != NULL; a++ ) {
if ( *a != NULL ) {
free( *a );
}
}
free( (char *) array );
}
int
charray_inlist(
char **a,
char *s
)
{
int i;
for ( i = 0; a[i] != NULL; i++ ) {
if ( strcasecmp( s, a[i] ) == 0 ) {
return( 1 );
}
}
return( 0 );
}
char **
charray_dup( char **a )
{
int i;
char **new;
for ( i = 0; a[i] != NULL; i++ )
; /* NULL */
new = (char **) ch_malloc( (i + 1) * sizeof(char *) );
for ( i = 0; a[i] != NULL; i++ ) {
new[i] = strdup( a[i] );
}
new[i] = NULL;
return( new );
}
char **
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str2charray( char *str, char *brkstr )
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{
char **res;
char *s;
int i;
/* protect the input string from strtok */
str = strdup( str );
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i = 1;
for ( s = str; *s; s++ ) {
if ( strchr( brkstr, *s ) != NULL ) {
i++;
}
}
res = (char **) ch_malloc( (i + 1) * sizeof(char *) );
i = 0;
for ( s = strtok( str, brkstr ); s != NULL; s = strtok( NULL,
brkstr ) ) {
res[i++] = strdup( s );
}
res[i] = NULL;
free( str );
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return( res );
}