Fix check of end word with its length

diff --git a/sfxstr.c b/sfxstr.c
index 0dd5fa7..6337f8c 100644 (file)
--- a/sfxstr.c
+++ b/sfxstr.c
@@ -139,7 +139,7 @@ SFSInit_c(SFSTree *info, char **in) {
        return info;
 }
 
-#define ISEND(p,w,l)   ( (l>0) ? ( ((char*)(p))-(w) < (l) ) : ( *(p) == '\0' ) )
+#define ISEND(p,w,l)   ( (l>0) ? ( ((char*)(p))-(w) >= (l) ) : ( *(p) == '\0' ) )
 
 void*
 SFSFindData(SFSTree *info, char *word, int len) {
@@ -149,9 +149,10 @@ SFSFindData(SFSTree *info, char *word, int len) {
 
        while( node && !ISEND(ptr, word, len) ) {
                if ( node->isskip ) {
+               /*
                        if ( len>0 &&  len - (((char*)ptr) - word) > node->nchar )
                                return NULL;
-                       else if ( STRNCMP(ptr, ((char*)node)+node->dataptr, node->nchar) ) {
+                       else */ if ( STRNCMP(ptr, ((char*)node)+node->dataptr, node->nchar) ) {
                                ptr+=node->nchar;
                                if ( ISEND(ptr, word, len) && node->isword) {
                                        return (void*) ( ((char*)(node->data)) + ((node->haschild) ? sizeof(SFSNode*) : 0) );