From 07b251690a44eef8a573aae6f72f71728b47d9a1 Mon Sep 17 00:00:00 2001
From: Dmitry Podgorny <pasis.ua@gmail.com>
Date: Tue, 13 Aug 2013 15:33:09 +0300
Subject: dev-libs/libstrophe: added patch to fix memory leak

---
 .../libstrophe-fix-memory-leak-in-logging.patch    | 64 ++++++++++++++++++++++
 dev-libs/libstrophe/libstrophe-0.8-r1.ebuild       |  1 +
 2 files changed, 65 insertions(+)
 create mode 100644 dev-libs/libstrophe/files/libstrophe-fix-memory-leak-in-logging.patch

diff --git a/dev-libs/libstrophe/files/libstrophe-fix-memory-leak-in-logging.patch b/dev-libs/libstrophe/files/libstrophe-fix-memory-leak-in-logging.patch
new file mode 100644
index 0000000..4537d8f
--- /dev/null
+++ b/dev-libs/libstrophe/files/libstrophe-fix-memory-leak-in-logging.patch
@@ -0,0 +1,64 @@
+diff --git a/src/ctx.c b/src/ctx.c
+index 48e87ad..5a24687 100644
+--- a/src/ctx.c
++++ b/src/ctx.c
+@@ -249,30 +249,38 @@ void xmpp_log(const xmpp_ctx_t * const ctx,
+ {
+     int oldret, ret;
+     char smbuf[1024];
+-    char *buf;
+-    va_list copy;
++    char *bigbuf = NULL;
++    va_list ap_copy;
+ 
+-    buf = smbuf;
+-    va_copy(copy, ap);
+-    ret = xmpp_vsnprintf(buf, 1023, fmt, ap);
++    va_copy(ap_copy, ap);
++    ret = xmpp_vsnprintf(smbuf, 1023, fmt, ap_copy);
++    va_end(ap_copy);
+     if (ret > 1023) {
+-	va_copy(ap, copy);
+-	buf = (char *)xmpp_alloc(ctx, ret + 1);
+-	if (!buf) {
+-	    buf = NULL;
+-	    xmpp_error(ctx, "log", "Failed allocating memory for log message.");
+-	    return;
+-	}
+-	oldret = ret;
+-	ret = xmpp_vsnprintf(buf, ret + 1, fmt, ap);
+-	if (ret > oldret) {
+-	    xmpp_error(ctx, "log", "Unexpected error");
+-	    return;
+-	}
++        bigbuf = (char *)xmpp_alloc(ctx, ret + 1);
++        if (!bigbuf) {
++            bigbuf = NULL;
++            xmpp_error(ctx, "log", "Failed allocating memory for log message.");
++            return;
++        }
++        oldret = ret;
++		va_copy(ap_copy, ap);
++        ret = xmpp_vsnprintf(bigbuf, ret + 1, fmt, ap_copy);
++    	va_end(ap_copy);
++
++        if (ret > oldret) {
++            xmpp_error(ctx, "log", "Unexpected error");
++            return;
++        }
++
++        if (ctx->log->handler) {
++            ctx->log->handler(ctx->log->userdata, level, area, bigbuf);
++        }
++        xmpp_free(ctx, bigbuf);
++    } else {
++        if (ctx->log->handler) {
++            ctx->log->handler(ctx->log->userdata, level, area, smbuf);
++        }
+     }
+-
+-    if (ctx->log->handler)
+-        ctx->log->handler(ctx->log->userdata, level, area, buf);
+ }
+ 
+ /** Write to the log at the ERROR level.
diff --git a/dev-libs/libstrophe/libstrophe-0.8-r1.ebuild b/dev-libs/libstrophe/libstrophe-0.8-r1.ebuild
index e7174bd..bffbf10 100644
--- a/dev-libs/libstrophe/libstrophe-0.8-r1.ebuild
+++ b/dev-libs/libstrophe/libstrophe-0.8-r1.ebuild
@@ -26,6 +26,7 @@ S="${WORKDIR}/${P}-snapshot"
 src_prepare() {
 		epatch "${FILESDIR}"/${PN}-xmpp-conn-disable-tls.patch
 		epatch "${FILESDIR}"/${PN}-fix-memory-leaks.patch
+		epatch "${FILESDIR}"/${PN}-fix-memory-leak-in-logging.patch
 		epatch "${FILESDIR}"/${PN}-fix-crash-on-non-latin1.patch
 		epatch "${FILESDIR}"/${PN}-xml-escape.patch
 }
-- 
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