From f92e3b43cb44980f256299532d398e3e124977fd Mon Sep 17 00:00:00 2001
From: Ludovic 'Archivist' Lagouardette <archivist@localhost.localdomain>
Date: Fri, 15 May 2020 22:31:01 +0200
Subject: [PATCH] improved buffers

---
 Makefile              |  2 +-
 include/gp/buffer.hpp | 24 ++++++++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index c9a6c3f..e2a1064 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 CXX= clang++-8
-CXXFLAGS= --std=c++17 -O3 -pthread -DGP_TESTS -DFUZZ_STRENGTH=500 -pedantic -Werror \
+CXXFLAGS= --std=c++17 -O0 -pthread -DGP_TESTS -DFUZZ_STRENGTH=500 -pedantic -Werror \
  -Wno-unknown-attributes \
  -g -fprofile-instr-generate -fcoverage-mapping
 # -fsanitize=address -fno-omit-frame-pointer
diff --git a/include/gp/buffer.hpp b/include/gp/buffer.hpp
index f6a1577..3ea66f9 100644
--- a/include/gp/buffer.hpp
+++ b/include/gp/buffer.hpp
@@ -119,5 +119,29 @@ namespace gp{
 				return buffer{(T*)nullptr,(size_t)0};
 			}
 		}
+
+		buffer trim_start(size_t rm_sz)
+		{
+			if(rm_sz<=size())
+			{
+				return buffer{begin().data + rm_sz, end().data};
+			}
+			else
+			{
+				return buffer{(T*)nullptr,(size_t)0};
+			}
+		}
+
+		buffer trim_end(size_t rm_sz)
+		{
+			if(rm_sz<=size())
+			{
+				return buffer{begin().data, end().data - rm_sz};
+			}
+			else
+			{
+				return buffer{(T*)nullptr,(size_t)0};
+			}
+		}
 	};
 }
\ No newline at end of file