- fix build with gcc8 (add cpprestsdk-2.10.2-fix-gcc8.patch)

OBS-URL: https://build.opensuse.org/package/show/devel:libraries:c_c++/cpprest?expand=0&rev=33

cpprestsdk-2.10.2-fix-gcc8.patch

@@ -0,0 +1,35 @@
+From 212536f9d66400bef4400c55efd05dd01303c035 Mon Sep 17 00:00:00 2001
+From: Andreas Stieger <astieger@suse.com>
+Date: Sun, 17 Jun 2018 13:00:05 +0200
+Subject: [PATCH] Fix gcc8 error/warning -Werror=format-truncation=
+
+utilities::datetime::to_string(): datetime_str and buf were oversized
+for fitting into output without possible trunctation
+---
+ Release/src/utilities/asyncrt_utils.cpp | 7 ++++---
+ 1 file changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/Release/src/utilities/asyncrt_utils.cpp b/Release/src/utilities/asyncrt_utils.cpp
+index 0e62bdee..be38907c 100644
+--- a/Release/src/utilities/asyncrt_utils.cpp
++++ b/Release/src/utilities/asyncrt_utils.cpp
+@@ -691,12 +691,13 @@ utility::string_t datetime::to_string(date_format format) const
+     {
+         // Append fractional second, which is a 7-digit value with no trailing zeros
+         // This way, '1200' becomes '00012'
+-        char buf[9] = { 0 };
++        const int max_frac_length = 8;
++        char buf[max_frac_length+1] = { 0 };
+         snprintf(buf, sizeof(buf), ".%07ld", (long int)frac_sec);
+         // trim trailing zeros
+-        for (int i = 7; buf[i] == '0'; i--) buf[i] = '\0';
++        for (int i = max_frac_length-1; buf[i] == '0'; i--) buf[i] = '\0';
+         // format the datetime into a separate buffer
+-        char datetime_str[max_dt_length+1] = {0};
++        char datetime_str[max_dt_length-max_frac_length-1+1] = {0};
+         strftime(datetime_str, sizeof(datetime_str), "%Y-%m-%dT%H:%M:%S", &datetime);
+         // now print this buffer into the output buffer
+         snprintf(output, sizeof(output), "%s%sZ", datetime_str, buf);
+-- 
+2.16.4
+