From e627986266d8fcda1b273c1ecab36400494bf76c Mon Sep 17 00:00:00 2001
From: Adam Dickmeiss <adam@indexdata.dk>
Date: Mon, 2 May 2005 19:14:33 +0000
Subject: [PATCH] Added utilities nmem_strsplit and nmem_strsplit_blank which
 splits a string into arrays and allocates each stream using
 NMEM.

---
 include/yaz/nmem.h |    8 +++++++-
 src/nmemsdup.c     |   42 +++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 48 insertions(+), 2 deletions(-)

diff --git a/include/yaz/nmem.h b/include/yaz/nmem.h
index 6c92e99..da63a1a 100644
--- a/include/yaz/nmem.h
+++ b/include/yaz/nmem.h
@@ -23,7 +23,7 @@
  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  * OF THIS SOFTWARE.
  *
- * $Id: nmem.h,v 1.14 2005-01-15 19:47:09 adam Exp $
+ * $Id: nmem.h,v 1.15 2005-05-02 19:14:33 adam Exp $
  */
 
 /**
@@ -72,6 +72,12 @@ YAZ_EXPORT void nmem_reset(NMEM n);
 YAZ_EXPORT int nmem_total(NMEM n);
 YAZ_EXPORT char *nmem_strdup (NMEM mem, const char *src);
 YAZ_EXPORT char *nmem_strdupn (NMEM mem, const char *src, size_t n);
+YAZ_EXPORT void nmem_strsplit_blank(NMEM nmem, const char *dstr,
+				    char ***darray, int *num);
+YAZ_EXPORT void nmem_strsplit(NMEM nmem, const char *delim,
+			      const char *dstr,
+			      char ***darray, int *num);
+
 YAZ_EXPORT int *nmem_intdup (NMEM mem, int v);
 YAZ_EXPORT void nmem_transfer (NMEM dst, NMEM src);
 
diff --git a/src/nmemsdup.c b/src/nmemsdup.c
index dd9af4f..e680a98 100644
--- 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);
+	}
+    }
+}
+
-- 
1.7.10.4