From f66c02620d394819a29267b6fe4b682589201cbf Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@kth.se>
Date: Sun, 28 Oct 2018 16:40:44 +0100
Subject: m
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Signed-off-by: Mattias Andrée <maandree@kth.se>
---
 libsimple/mem.h |  2 +-
 memelem.c       | 11 ++++++++---
 mempsetelem.c   |  6 ++++--
 memrelem.c      |  8 ++++++--
 4 files changed, 19 insertions(+), 8 deletions(-)

diff --git a/libsimple/mem.h b/libsimple/mem.h
index 7a7f7ce..57a1f2b 100644
--- a/libsimple/mem.h
+++ b/libsimple/mem.h
@@ -420,7 +420,7 @@ void *libsimple_mempsetelem(void *__buf, const void *__item, size_t __size, size
  * @return          `buf`
  */
 _LIBSIMPLE_GCC_ONLY(__attribute__((__warn_unused_result__)))
-static inline void *libsimple_memsetelem(void *__buf, const void *__item, size_t __size, size_t __nitems)
+static inline void *libsimple_memsetelem(void *__buf, const void *__item, size_t __size, size_t __nitems) /* TODO test */
 { return libsimple_mempsetelem(__buf, __item, __size, __nitems), __buf; }
 #ifndef memsetelem
 # define memsetelem libsimple_memsetelem
diff --git a/memelem.c b/memelem.c
index ceca578..43cb298 100644
--- a/memelem.c
+++ b/memelem.c
@@ -43,9 +43,14 @@ libsimple_memelem(const void *hay_, size_t hayn, const void *sub_, size_t subn)
 		{
 			char *hay = (void *)hay_;
 			const char *sub = sub_;
-			for (; hayn--; hay += subn)
-				if (!memcmp(hay, sub, subn))
-					return hay;
+			size_t i;
+			for (; hayn--; hay += subn) {
+				for (i = 0; i < subn; i++)
+					if (hay[i] != sub[i])
+						goto next;
+				return hay;
+			next:;
+			}
 			break;
 
 		}
diff --git a/mempsetelem.c b/mempsetelem.c
index d431604..c8990ed 100644
--- a/mempsetelem.c
+++ b/mempsetelem.c
@@ -4,7 +4,7 @@
 
 
 void *
-libsimple_mempsetelem(void *buf_, const void *item, size_t size, size_t nitems)
+libsimple_mempsetelem(void *buf_, const void *item, size_t size, size_t nitems) /* TODO test */
 {
 	switch (size) {
 	case 0:
@@ -38,8 +38,10 @@ libsimple_mempsetelem(void *buf_, const void *item, size_t size, size_t nitems)
 	default:
 		{
 			char *buf = buf_;
+			size_t i;
 			for (; nitems--; buf += size)
-				memcpy(buf, item, size);
+				for (i = 0; i < size; i++)
+					buf[i] = ((const char *)item)[i];
 			return buf;
 		}
 	}
diff --git a/memrelem.c b/memrelem.c
index e26ebe6..b1e69ba 100644
--- a/memrelem.c
+++ b/memrelem.c
@@ -50,10 +50,14 @@ libsimple_memrelem(const void *hay_, size_t hayn, const void *sub_, size_t subn)
 		{
 			char *hay = (void *)hay_;
 			const char *sub = sub_;
+			size_t i;
 			for (hay += hayn * subn; hayn--;) {
 				hay -= subn;
-				if (!memcmp(hay, sub, subn))
-					return hay;
+				for (i = 0; i < subn; i++)
+					if (hay[i] != sub[i])
+						goto next;
+				return hay;
+			next:;
 			}
 			break;
 
-- 
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