From c376f9d0925a7cfdf1a07d7ebd783cb90ea818f7 Mon Sep 17 00:00:00 2001
From: Moises Silva <moy@sangoma.com>
Date: Fri, 4 Dec 2009 18:25:48 +0000
Subject: [PATCH] added zap_strndup

git-svn-id: http://svn.openzap.org/svn/openzap/branches/sangoma_boost@928 a93c3328-9c30-0410-af19-c9cd2b2d52af
---
 libs/freetdm/src/include/openzap.h |  1 +
 libs/freetdm/src/zap_io.c          | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/libs/freetdm/src/include/openzap.h b/libs/freetdm/src/include/openzap.h
index b114e844fb..64791f4eec 100644
--- a/libs/freetdm/src/include/openzap.h
+++ b/libs/freetdm/src/include/openzap.h
@@ -652,6 +652,7 @@ OZ_DECLARE(zap_status_t) zap_global_set_queue_handler(zap_queue_handler_t *handl
 
 /*! \brief Duplicate string */
 OZ_DECLARE(char *) zap_strdup(const char *str);
+OZ_DECLARE(char *) zap_strndup(const char *str, zap_size_t inlen);
 
 OZ_DECLARE(zap_size_t) zap_fsk_modulator_generate_bit(zap_fsk_modulator_t *fsk_trans, int8_t bit, int16_t *buf, zap_size_t buflen);
 OZ_DECLARE(int32_t) zap_fsk_modulator_generate_carrier_bits(zap_fsk_modulator_t *fsk_trans, uint32_t bits);
diff --git a/libs/freetdm/src/zap_io.c b/libs/freetdm/src/zap_io.c
index b967a4c418..ba95e94bbf 100644
--- a/libs/freetdm/src/zap_io.c
+++ b/libs/freetdm/src/zap_io.c
@@ -3252,6 +3252,24 @@ OZ_DECLARE(char *) zap_strdup(const char *str)
 	return (char *)memcpy(new, str, len);
 }
 
+OZ_DECLARE(char *) zap_strndup(const char *str, zap_size_t inlen)
+{
+	char *new = NULL;
+	zap_size_t len = strlen(str) + 1;
+	if (len > (inlen+1)) {
+		len = inlen+1;
+	}
+	new = (char *)zap_malloc(len);
+
+	if (!new) {
+		return NULL;
+	}
+	
+	memcpy(new, str, len-1);
+	new[len-1] = 0;
+	return new;
+}
+
 
 /* For Emacs:
  * Local Variables: