X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=fml%2Ffmlmem.c;h=e78fc3c928f6532ef0081e3b73df2157b51d72fb;hb=b9bf72fa7af887225b50f567f91c06ce4353d0c8;hp=7e78ac8127f48c9abcb15dc40e675bff2e4359ac;hpb=3d645ef1f92e9cbacce6d9b9e7cfe739c8fe6b39;p=egate.git

diff --git a/fml/fmlmem.c b/fml/fmlmem.c
index 7e78ac8..e78fc3c 100644
--- a/fml/fmlmem.c
+++ b/fml/fmlmem.c
@@ -2,7 +2,21 @@
  * FML interpreter. Europagate, 1995
  *
  * $Log: fmlmem.c,v $
- * Revision 1.6  1995/02/10 18:15:52  adam
+ * Revision 1.11  1995/03/02 10:18:48  adam
+ * Bug fix.
+ *
+ * Revision 1.10  1995/03/02  08:06:03  adam
+ * Fml function strsub implemented. New test files marc[45].fml.
+ * New test options in fmltest.
+ *
+ * Revision 1.9  1995/02/27  09:01:20  adam
+ * Regular expression support. Argument passing by name option. New FML
+ * function strlen.
+ *
+ * Revision 1.8  1995/02/23  08:32:05  adam
+ * Changed header.
+ *
+ * Revision 1.6  1995/02/10  18:15:52  adam
  * FML function 'strcmp' implemented. This function can be used to
  * test for existence of MARC fields.
  *
@@ -154,7 +168,7 @@ int fml_atom_cmp (Fml fml, struct fml_atom *a1, struct fml_atom *a2)
 
 int fml_atom_str (struct fml_atom *a, char *str)
 {
-    int len = 0;
+    int i, len = 0;
 
     assert (a);
     while (a->next)
@@ -164,9 +178,14 @@ int fml_atom_str (struct fml_atom *a, char *str)
         len += FML_ATOM_BUF;
         a = a->next;
     }
+    for (i=0; i<FML_ATOM_BUF && a->buf[i]; i++)
+        ;
     if (str)
-        strcpy (str+len, a->buf);
-    len += strlen(str+len);
+    {
+        memcpy (str+len, a->buf, i);
+        str[len+i] = 0;
+    }
+    len += i;
     return len;
 }
 
@@ -185,6 +204,21 @@ void fml_atom_strx (struct fml_atom *a, char *str, int max)
     str[len+FML_ATOM_BUF-1] = '\0';
 }
 
+int fml_atom_len (struct fml_atom *a)
+{
+    int len = 0;
+    if (a)
+    {
+        while (a->next)
+        {
+            len += FML_ATOM_BUF;
+            a = a->next;
+        }
+        len += strlen (a->buf);
+    } 
+    return len;
+}
+
 int fml_atom_val (struct fml_atom *a)
 {
     static char arg[256];
@@ -255,3 +289,26 @@ void fml_node_stat (Fml fml)
     if (fml->debug & 2)
         printf ("<<node=%d, atom=%d>>", no_nodes, no_atoms);
 }
+
+struct fml_atom *fml_atom_strsub (Fml fml, struct fml_atom *a, int o, int l)
+{
+    static char buf[512];
+    char *cp;
+    struct fml_atom *an;
+    int ol = fml_atom_len (a);
+
+    if (ol >= 510)
+    {
+        cp = malloc (ol + 1);
+        assert (cp);
+    }
+    else
+        cp = buf;
+    fml_atom_str (a, buf);
+    if (o + l < ol)
+        buf[o+l] = '\0';
+    an = fml_atom_alloc (fml, buf+o);
+    if (ol >= 510)
+        free (cp);
+    return an;
+}