From 97a91843ffac0bb3aa42540c6e5d3ddea75af489 Mon Sep 17 00:00:00 2001
From: Marc Pervaz Boocha <mboocha@sudomsg.xyz>
Date: Sun, 7 May 2023 10:44:11 +0530
Subject: Added Basic Error codes, Tests and de-inlining

Error codes needs to be ingrated with the alloc module
Tests now have great coverage in the mem module (>75%).

Signed-off-by: Marc Pervaz Boocha <mboocha@sudomsg.xyz>

On branch main
Your branch is up to date with 'origin/main'.

Changes to be committed:
      modified:   include/alloc.h
      new file:   include/err.h
      modified:   include/mem.h
      modified:   include/meson.build
      modified:   readme.md
      modified:   src/alloc/free.c
      modified:   src/alloc/malloc.c
      new file:   src/err/errstr.c
      new file:   src/err/meson.build
      new file:   src/err/set_err.c
      modified:   src/mem/memccpy.c
      modified:   src/mem/memchr.c
      modified:   src/mem/memcmp.c
      modified:   src/mem/memcpy.c
      modified:   src/mem/memlen.c
      modified:   src/mem/memmem.c
      modified:   src/mem/memmove.c
      modified:   src/mem/memrchr.c
      modified:   src/mem/memrev.c
      modified:   src/mem/memset.c
      modified:   src/mem/memswap.c
      modified:   src/mem/memzero.c
      modified:   src/meson.build
      new file:   test/alloc/memdup.c
      modified:   test/alloc/meson.build
      new file:   test/mem/memccpy_nullnull.c
      new file:   test/mem/memchr.c
      new file:   test/mem/memchr_notfound.c
      new file:   test/mem/memcmp_diff.c
      new file:   test/mem/memcmp_prefix.c
      new file:   test/mem/memcmp_same.c
      new file:   test/mem/memcmp_samenull.c
      new file:   test/mem/memcmp_sing.c
      new file:   test/mem/memcpy_null_prefix.c
      new file:   test/mem/memcpy_null_same.c
      new file:   test/mem/memcpy_nullnull.c
      new file:   test/mem/memcpy_prefix.c
      new file:   test/mem/memcpy_same.c
      new file:   test/mem/memlen.c
      new file:   test/mem/memlen_overflow.c
      new file:   test/mem/memmove_backward.c
      new file:   test/mem/memmove_null_backward.c
      new file:   test/mem/memmove_null_overlap.c
      new file:   test/mem/memmove_null_prefix.c
      new file:   test/mem/memmove_null_same.c
      new file:   test/mem/memmove_null_sing.c
      new file:   test/mem/memmove_nullnull.c
      new file:   test/mem/memmove_overlap.c
      new file:   test/mem/memmove_prefix.c
      new file:   test/mem/memmove_same.c
      new file:   test/mem/memmove_sing.c
      new file:   test/mem/memrchr.c
      new file:   test/mem/memrchr_notfound.c
      new file:   test/mem/memrev.c
      new file:   test/mem/memset_null.c
      new file:   test/mem/memset_nullnull.c
      new file:   test/mem/memswap.c
      new file:   test/mem/memswap_null.c
      new file:   test/mem/memswap_same.c
      new file:   test/mem/memzero_null.c
      new file:   test/mem/memzero_nullnull.c
      modified:   test/mem/meson.build
      modified:   test/meson.build
---
 src/mem/memchr.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'src/mem/memchr.c')

diff --git a/src/mem/memchr.c b/src/mem/memchr.c
index b583ab3..ed1187a 100644
--- a/src/mem/memchr.c
+++ b/src/mem/memchr.c
@@ -6,4 +6,15 @@
 
 #include <mem.h>
 
-extern inline void *calt_memchr(void const *ptr, unsigned char value, size_t count);
+void *calt_memchr(void const *ptr, unsigned char value, size_t count) {
+	unsigned char const *p = ptr;
+
+	while (count-- > 0) {
+		if (*p == value) {
+			return (void *)p;
+		}
+		p++;
+	}
+
+	return NULL;
+}
-- 
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