Added utilities nmem_strsplit and nmem_strsplit_blank which

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

diff --git a/src/nmemsdup.c b/src/nmemsdup.c
index dd9af4f..e680a98 100644 (file)
--- a/src/nmemsdup.c
+++ b/src/nmemsdup.c
@@ -2,7 +2,7 @@
  * Copyright (C) 1995-2005, Index Data ApS
  * See the file LICENSE for details.
  *
- * $Id: nmemsdup.c,v 1.3 2005-01-15 19:47:14 adam Exp $
+ * $Id: nmemsdup.c,v 1.4 2005-05-02 19:14:33 adam Exp $
  */
 
 /**
@@ -38,3 +38,43 @@ int *nmem_intdup(NMEM mem, int v)
     *dst = v;
     return dst;
 }
+
+void nmem_strsplit_blank(NMEM nmem, const char *dstr, char ***darray, int *num)
+{
+    nmem_strsplit(nmem, " ", dstr, darray, num);
+}
+
+void nmem_strsplit(NMEM nmem, const char *delim, const char *dstr,
+                  char ***darray, int *num)
+{
+    const char *cp = dstr;
+    for (*num = 0; *cp; (*num)++)
+    {
+       while (*cp && strchr(delim, *cp))
+           cp++;
+       if (!*cp)
+           break;
+       while (*cp && !strchr(delim, *cp))
+           cp++;
+    }
+    if (!*num)
+       *darray = 0;
+    else
+    {
+       size_t i = 0;
+       *darray = nmem_malloc(nmem, *num * sizeof(**darray));
+       for (cp = dstr; *cp; )
+       {
+           const char *cp0;
+           while (*cp && strchr(delim, *cp))
+               cp++;
+           if (!*cp)
+               break;
+           cp0 = cp;
+           while (*cp && !strchr(delim, *cp))
+               cp++;
+           (*darray)[i++] = nmem_strdupn(nmem, cp0, cp - cp0);
+       }
+    }
+}
+