Added MIT License

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

Changes to be committed:
      new file:   ../LICENSE
      modified:   ../include/alloc.h
      modified:   ../include/calt.h
      modified:   ../include/mem.h
      modified:   alloc/alloc.c
      modified:   alloc/calloc.c
      modified:   alloc/free.c
      modified:   alloc/malloc.c
      modified:   alloc/memdup.c
      modified:   alloc/realloc.c
      modified:   mem/memccpy.c
      modified:   mem/memchr.c
      modified:   mem/memcmp.c
      modified:   mem/memcpy.c
      modified:   mem/memhash.c
      modified:   mem/memlen.c
      modified:   mem/memmem.c
      modified:   mem/memmove.c
      modified:   mem/memrchr.c
      modified:   mem/memrev.c
      modified:   mem/memset.c
      modified:   mem/memswap.c
      modified:   mem/memzero.c

23 files changed, 156 insertions, 4 deletions

diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..40db205
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) 2023 Marc Pervaz Boocha
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
diff --git a/include/alloc.h b/include/alloc.h
index bc8c3d8..6877f61 100644
--- a/include/alloc.h
+++ b/include/alloc.h
@@ -1,4 +1,8 @@
-#pragma once
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
 #ifndef CALT_ALLOC_H
 #define CALT_ALLOC_H
 #include <stddef.h>
diff --git a/include/calt.h b/include/calt.h
index 4ea43b0..3422a91 100644
--- a/include/calt.h
+++ b/include/calt.h
@@ -1,4 +1,8 @@
-#pragma once
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
 #ifndef CALT_CALT_H
 #define CALT_CALT_H
 
diff --git a/include/mem.h b/include/mem.h
index 3636bf3..b18822c 100644
--- a/include/mem.h
+++ b/include/mem.h
@@ -1,5 +1,8 @@
-#pragma once
-
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
 #ifndef CALT_MEM_H
 #define CALT_MEM_H
 #include <stddef.h>
diff --git a/src/alloc/alloc.c b/src/alloc/alloc.c
index 0ff8ff4..b809956 100644
--- a/src/alloc/alloc.c
+++ b/src/alloc/alloc.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <alloc.h>
 #include <stdlib.h>
 
diff --git a/src/alloc/calloc.c b/src/alloc/calloc.c
index 666e0ba..a1a567c 100644
--- a/src/alloc/calloc.c
+++ b/src/alloc/calloc.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <alloc.h>
 #include <mem.h>
 
diff --git a/src/alloc/free.c b/src/alloc/free.c
index ef2654d..90d16d5 100644
--- a/src/alloc/free.c
+++ b/src/alloc/free.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <alloc.h>
 
 extern inline void calt_free(void *ptr);
diff --git a/src/alloc/malloc.c b/src/alloc/malloc.c
index 9a2e81d..3abcf2e 100644
--- a/src/alloc/malloc.c
+++ b/src/alloc/malloc.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <alloc.h>
 
 extern inline void *calt_malloc(size_t size);
diff --git a/src/alloc/memdup.c b/src/alloc/memdup.c
index 60aa35e..dd58856 100644
--- a/src/alloc/memdup.c
+++ b/src/alloc/memdup.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <alloc.h>
 #include <mem.h>
 
diff --git a/src/alloc/realloc.c b/src/alloc/realloc.c
index 490ba75..0bb1280 100644
--- a/src/alloc/realloc.c
+++ b/src/alloc/realloc.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <alloc.h>
 #include <mem.h>
 
diff --git a/src/mem/memccpy.c b/src/mem/memccpy.c
index 71b5a94..810b71b 100644
--- a/src/mem/memccpy.c
+++ b/src/mem/memccpy.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <mem.h>
 
 void *calt_memccpy(void *restrict dest, void const *restrict src, unsigned char value,
diff --git a/src/mem/memchr.c b/src/mem/memchr.c
index 35015db..b583ab3 100644
--- a/src/mem/memchr.c
+++ b/src/mem/memchr.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <mem.h>
 
 extern inline void *calt_memchr(void const *ptr, unsigned char value, size_t count);
diff --git a/src/mem/memcmp.c b/src/mem/memcmp.c
index 829325b..bcb2fb5 100644
--- a/src/mem/memcmp.c
+++ b/src/mem/memcmp.c
@@ -1,3 +1,14 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
 #include <mem.h>
 
 extern inline int calt_memcmp(void const *ptr1, void const *ptr2, size_t count);
diff --git a/src/mem/memcpy.c b/src/mem/memcpy.c
index 3372032..7880c53 100644
--- a/src/mem/memcpy.c
+++ b/src/mem/memcpy.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <mem.h>
 
 extern inline void *calt_memcpy(void *restrict dest, void const *restrict src,
diff --git a/src/mem/memhash.c b/src/mem/memhash.c
index d752fed..c5cfc62 100644
--- a/src/mem/memhash.c
+++ b/src/mem/memhash.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <limits.h>
 #include <stdint.h>
 #include <mem.h>
diff --git a/src/mem/memlen.c b/src/mem/memlen.c
index dfb45fb..6d6ddfe 100644
--- a/src/mem/memlen.c
+++ b/src/mem/memlen.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <mem.h>
 
 extern inline size_t calt_memlen(void const *ptr, unsigned char value, size_t count);
diff --git a/src/mem/memmem.c b/src/mem/memmem.c
index 8745923..14be8cc 100644
--- a/src/mem/memmem.c
+++ b/src/mem/memmem.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <mem.h>
 
 extern inline void *calt_memmem(void const *haystack, size_t haystacklen,
diff --git a/src/mem/memmove.c b/src/mem/memmove.c
index 79a4ebb..b6c6b1e 100644
--- a/src/mem/memmove.c
+++ b/src/mem/memmove.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <mem.h>
 
 extern inline void *calt_memmove(void *dest, void const *src, size_t count);
diff --git a/src/mem/memrchr.c b/src/mem/memrchr.c
index a8d59f2..1799d27 100644
--- a/src/mem/memrchr.c
+++ b/src/mem/memrchr.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <mem.h>
 
 extern inline void *calt_memrchr(void const *ptr, unsigned char value, size_t count);
diff --git a/src/mem/memrev.c b/src/mem/memrev.c
index fbc7516..472efcb 100644
--- a/src/mem/memrev.c
+++ b/src/mem/memrev.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <mem.h>
 
 extern inline void calt_memrev(void *ptr, size_t size);
diff --git a/src/mem/memset.c b/src/mem/memset.c
index df4c3cd..48fee61 100644
--- a/src/mem/memset.c
+++ b/src/mem/memset.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <mem.h>
 
 extern inline void *calt_memset(void *dest, unsigned char value, size_t count);
diff --git a/src/mem/memswap.c b/src/mem/memswap.c
index 612fde5..512c8c9 100644
--- a/src/mem/memswap.c
+++ b/src/mem/memswap.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <mem.h>
 
 extern inline void calt_memswap(void *restrict ptr1, void *restrict ptr2, size_t size);
diff --git a/src/mem/memzero.c b/src/mem/memzero.c
index 9388516..c92691f 100644
--- a/src/mem/memzero.c
+++ b/src/mem/memzero.c
@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2023 Marc Pervaz Boocha
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
 #include <mem.h>
 
 extern inline void *calt_memzero(void *restrict dest, size_t count);