Updated current version number for library.

[yaz-moved-to-github.git] / ccl / cclfind.c

diff --git a/ccl/cclfind.c b/ccl/cclfind.c
index 812d124..ba12079 100644 (file)
--- a/ccl/cclfind.c
+++ b/ccl/cclfind.c
@@ -45,7 +45,17 @@
  * Europagate, 1995
  *
  * $Log: cclfind.c,v $
- * Revision 1.14  2000-01-31 13:15:21  adam
+ * Revision 1.17  2000-05-01 09:36:50  adam
+ * Range operator only treated in ordered ranges so that minus (-) can be
+ * used for, say, the and-not operator.
+ *
+ * Revision 1.16  2000/03/14 09:06:11  adam
+ * Added POSIX threads support for frontend server.
+ *
+ * Revision 1.15  2000/02/24 23:49:13  adam
+ * Fixed memory allocation problem.
+ *
+ * Revision 1.14  2000/01/31 13:15:21  adam
  * Removed uses of assert(3). Cleanup of ODR. CCL parser update so
  * that some characters are not surrounded by spaces in resulting term.
  * ILL-code updates.
@@ -130,7 +140,6 @@
  *
  */
 
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -287,6 +296,7 @@ static struct ccl_rpn_node *search_term_x (CCL_parser cclp,
                                           struct ccl_rpn_attr **qa,
                                            int *term_list)
 {
+    struct ccl_rpn_attr *qa_tmp[2];
     struct ccl_rpn_node *p;
     struct ccl_token *lookahead = cclp->look_token;
     int len = 0;
@@ -314,7 +324,7 @@ static struct ccl_rpn_node *search_term_x (CCL_parser cclp,
     {
         /* no qualifier(s) applied. Use 'term' if it is defined */
 
-        qa = (struct ccl_rpn_attr **)malloc (2*sizeof(*qa));
+        qa = qa_tmp;
        ccl_assert (qa);
        qa[0] = ccl_qual_search (cclp, "term", 4);
        qa[1] = NULL;
@@ -425,7 +435,6 @@ static struct ccl_rpn_node *search_term_x (CCL_parser cclp,
         if (!qual_val_type (qa, CCL_BIB1_TRU, CCL_BIB1_TRU_CAN_BOTH))
         {
             cclp->error_code = CCL_ERR_TRUNC_NOT_BOTH;
-            free (qa);
             ccl_rpn_delete (p);
             return NULL;
         }
@@ -436,7 +445,6 @@ static struct ccl_rpn_node *search_term_x (CCL_parser cclp,
         if (!qual_val_type (qa, CCL_BIB1_TRU, CCL_BIB1_TRU_CAN_RIGHT))
         {
             cclp->error_code = CCL_ERR_TRUNC_NOT_RIGHT;
-            free (qa);
             ccl_rpn_delete (p);
             return NULL;
         }
@@ -447,7 +455,6 @@ static struct ccl_rpn_node *search_term_x (CCL_parser cclp,
         if (!qual_val_type (qa, CCL_BIB1_TRU, CCL_BIB1_TRU_CAN_LEFT))
         {
             cclp->error_code = CCL_ERR_TRUNC_NOT_LEFT;
-            free (qa);
             ccl_rpn_delete (p);
             return NULL;
         }
@@ -576,7 +583,8 @@ static struct ccl_rpn_node *qualifiers (CCL_parser cclp, struct ccl_token *la,
 
         ADVANCE;                      /* skip relation */
         if (KIND == CCL_TOK_TERM &&
-           cclp->look_token->next->kind == CCL_TOK_MINUS)
+            cclp->look_token->next->len == 1 &&
+            cclp->look_token->next->name[0] == '-')
         {
             struct ccl_rpn_node *p1;
             if (!(p1 = search_term (cclp, ap)))
@@ -610,7 +618,8 @@ static struct ccl_rpn_node *qualifiers (CCL_parser cclp, struct ccl_token *la,
                 return p1;
             }
         }
-        else if (KIND == CCL_TOK_MINUS)   /* = - term  ? */
+        else if (cclp->look_token->len == 1 &&
+                 cclp->look_token->name[0] == '"')   /* = - term  ? */
         {
             ADVANCE;
             if (!(p = search_term (cclp, ap)))
@@ -668,8 +677,7 @@ static struct ccl_rpn_node *search_terms (CCL_parser cclp,
                                          struct ccl_rpn_attr **qa)
 {
     static int list[] = {
-        CCL_TOK_TERM, CCL_TOK_COMMA,CCL_TOK_EQ,
-        CCL_TOK_REL, CCL_TOK_MINUS, -1};
+        CCL_TOK_TERM, CCL_TOK_COMMA,CCL_TOK_EQ, CCL_TOK_REL, -1};
     struct ccl_rpn_node *p1, *p2, *pn;
     p1 = search_term_x (cclp, qa, list);
     if (!p1)