Avoid signed char subscript

[yaz-moved-to-github.git] / src / odr_util.c

diff --git a/src/odr_util.c b/src/odr_util.c
index d95a693..2748da4 100644 (file)
--- a/src/odr_util.c
+++ b/src/odr_util.c
@@ -1,8 +1,12 @@
 /*
- * Copyright (c) 1995-2003, Index Data
+ * Copyright (c) 1995-2004, Index Data
  * See the file LICENSE for details.
  *
- * $Id: odr_util.c,v 1.1 2003-10-27 12:21:34 adam Exp $
+ * $Id: odr_util.c,v 1.6 2004-12-30 00:14:38 adam Exp $
+ */
+/**
+ * \file odr_util.c
+ * \brief Implements various ODR utilities
  */
 #if HAVE_CONFIG_H
 #include <config.h>
@@ -17,9 +21,9 @@
 void odr_prname(ODR o, const char *name)
 {
     if (name)
-       fprintf (o->print, "%*s%s ", o->indent*4, "", name);
+       odr_printf(o, "%*s%s ", o->indent*4, "", name);
     else
-       fprintf (o->print, "%*s", o->indent*4, "");
+       odr_printf(o, "%*s", o->indent*4, "");
 }
 
 int odp_more_chunks(ODR o, const unsigned char *base, int len)
@@ -54,6 +58,8 @@ Odr_oid *odr_oiddup_nmem(NMEM nmem, Odr_oid *o)
 
 Odr_oid *odr_oiddup(ODR odr, Odr_oid *o)
 {
+    if (!odr->mem)
+       odr->mem = nmem_create();
     return odr_oiddup_nmem (odr->mem, o);
 }
 
@@ -63,7 +69,7 @@ Odr_oid *odr_getoidbystr_nmem(NMEM nmem, const char *str)
     const char *p = str;
     Odr_oid *ret;
 
-    if (!isdigit(*str))
+    if (!isdigit(*(const unsigned char *) str))
        return 0;
     while ((p = strchr(p, '.')))
        num++, p++;
@@ -78,6 +84,8 @@ Odr_oid *odr_getoidbystr_nmem(NMEM nmem, const char *str)
 
 Odr_oid *odr_getoidbystr(ODR o, const char *str)
 {
+    if (!o->mem)
+       o->mem = nmem_create();
     return odr_getoidbystr_nmem (o->mem, str);
 }
 
@@ -92,3 +100,29 @@ int odr_missing(ODR o, int opt, const char *name)
     }
     return opt;
 }
+
+/*
+ * Reallocate the buffer `old', using the ODR memory pool `o' to be
+ * big enough to hold its existing value (if any) plus `prefix' (if
+ * any) and a separator character.  Copy `prefix', a forward slash and
+ * the old value into the new area and return its address.  Can be
+ * used as follows:
+ *     initRequest->implementationName = odr_prepend(o,
+ *             initRequest->implementationName, "ZOOM-C");
+ */
+char *odr_prepend(ODR o, const char *prefix, const char *old)
+{
+    int plen = (prefix == 0) ? 0 : strlen(prefix);
+    int olen = (old == 0) ? 0 : strlen(old);
+    char *res = (char*) odr_malloc (o, olen + plen + 2);
+
+    *res = '\0';
+    if (prefix != 0)
+       strcpy (res, prefix);
+    if (prefix != 0 && old != 0)
+       strcat (res, "/");
+    if (old !=0)
+       strcat (res, old);
+
+    return res;
+}