From 15b4eb609fb43cd5c503abd0a4364a85e3f6308d Mon Sep 17 00:00:00 2001
From: "Steffen \"Daode\" Nurpmeso" <sdaoden@users.sf.net>
Date: Sat, 13 Oct 2012 16:14:06 +0200
Subject: [PATCH] Add str_concat_csvl()

---
 extern.h  |  2 ++
 strings.c | 28 ++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/extern.h b/extern.h
index f153ca19..f2da0704 100644
--- a/extern.h
+++ b/extern.h
@@ -542,6 +542,8 @@ char *savestrbuf(const char *sbuf, size_t sbuf_len);
 char *save2str(const char *str, const char *old);
 char *savecat(const char *s1, const char *s2);
 
+struct str *str_concat_csvl(struct str *self, ...);
+
 /* temp.c */
 FILE *Ftemp(char **fn, char *prefix, char *mode, int bits, int register_file);
 void Ftfree(char **fn);
diff --git a/strings.c b/strings.c
index 09f7272c..c8023580 100644
--- a/strings.c
+++ b/strings.c
@@ -48,6 +48,8 @@
 #include "rcv.h"
 #include "extern.h"
 
+#include <stdarg.h>
+
 /*
  * Allocate size more bytes of space and return the address of the
  * first byte to the caller.  An even number of bytes are always
@@ -197,3 +199,29 @@ savecat(const char *s1, const char *s2)
 	*np = '\0';
 	return ns;
 }
+
+struct str *
+str_concat_csvl(struct str *self, ...)
+{
+	va_list vl;
+	size_t l;
+	char const*cs;
+
+	va_start(vl, self);
+	for (l = 0; (cs = va_arg(vl, char const*)) != NULL;)
+		l += strlen(cs);
+	va_end(vl);
+
+	self->l = l;
+	self->s = salloc(l + 1);
+
+	va_start(vl, self);
+	for (l = 0; (cs = va_arg(vl, char const*)) != NULL;) {
+		size_t i = strlen(cs);
+		memcpy(self->s + l, cs, i);
+		l += i;
+	}
+	self->s[l] = '\0';
+	va_end(vl);
+	return (self);
+}
-- 
2.11.4.GIT