From e29276915341a8e1da04e7c938270eb1091256c0 Mon Sep 17 00:00:00 2001 From: Marc Pervaz Boocha Date: Sat, 6 May 2023 16:50:16 +0530 Subject: Added Initial Implementation of memory and allocation function Signed-off-by: Marc Pervaz Boocha On branch main Your branch is up to date with 'origin/main'. Changes to be committed: new file: include/alloc.h new file: include/calt.h new file: include/mem.h new file: include/meson.build new file: meson.build new file: meson_options.txt new file: src/alloc/alloc.c new file: src/alloc/calloc.c new file: src/alloc/free.c new file: src/alloc/malloc.c new file: src/alloc/memdup.c new file: src/alloc/meson.build new file: src/alloc/realloc.c new file: src/mem/memccpy.c new file: src/mem/memchr.c new file: src/mem/memcmp.c new file: src/mem/memcpy.c new file: src/mem/memhash.c new file: src/mem/memlen.c new file: src/mem/memmem.c new file: src/mem/memmove.c new file: src/mem/memrchr.c new file: src/mem/memrev.c new file: src/mem/memset.c new file: src/mem/memswap.c new file: src/mem/memzero.c new file: src/mem/meson.build new file: src/meson.build new file: test/alloc/meson.build new file: test/mem/memset.c new file: test/mem/memzero.c new file: test/mem/meson.build new file: test/meson.build --- src/mem/memccpy.c | 20 ++++++++++++++++++++ src/mem/memchr.c | 3 +++ src/mem/memcmp.c | 4 ++++ src/mem/memcpy.c | 8 ++++++++ src/mem/memhash.c | 13 +++++++++++++ src/mem/memlen.c | 3 +++ src/mem/memmem.c | 4 ++++ src/mem/memmove.c | 5 +++++ src/mem/memrchr.c | 3 +++ src/mem/memrev.c | 4 ++++ src/mem/memset.c | 5 +++++ src/mem/memswap.c | 3 +++ src/mem/memzero.c | 4 ++++ src/mem/meson.build | 15 +++++++++++++++ 14 files changed, 94 insertions(+) create mode 100644 src/mem/memccpy.c create mode 100644 src/mem/memchr.c create mode 100644 src/mem/memcmp.c create mode 100644 src/mem/memcpy.c create mode 100644 src/mem/memhash.c create mode 100644 src/mem/memlen.c create mode 100644 src/mem/memmem.c create mode 100644 src/mem/memmove.c create mode 100644 src/mem/memrchr.c create mode 100644 src/mem/memrev.c create mode 100644 src/mem/memset.c create mode 100644 src/mem/memswap.c create mode 100644 src/mem/memzero.c create mode 100644 src/mem/meson.build (limited to 'src/mem') diff --git a/src/mem/memccpy.c b/src/mem/memccpy.c new file mode 100644 index 0000000..71b5a94 --- /dev/null +++ b/src/mem/memccpy.c @@ -0,0 +1,20 @@ +#include + +void *calt_memccpy(void *restrict dest, void const *restrict src, unsigned char value, + size_t size) { + unsigned char *d = dest; + unsigned char const *s = src; + + while (size-- > 0) { + *d++ = *s; + if (*s++ == value) { + return d; + } + } + + return NULL; +} + +extern inline void *calt_memccpy_null(void *restrict dest, + void const *restrict src, + unsigned char value, size_t size); diff --git a/src/mem/memchr.c b/src/mem/memchr.c new file mode 100644 index 0000000..35015db --- /dev/null +++ b/src/mem/memchr.c @@ -0,0 +1,3 @@ +#include + +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 new file mode 100644 index 0000000..829325b --- /dev/null +++ b/src/mem/memcmp.c @@ -0,0 +1,4 @@ +#include + +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 new file mode 100644 index 0000000..3372032 --- /dev/null +++ b/src/mem/memcpy.c @@ -0,0 +1,8 @@ +#include + +extern inline void *calt_memcpy(void *restrict dest, void const *restrict src, + size_t count); + + +extern inline void *calt_memcpy_null(void *restrict dest, void const *restrict src, + size_t count); diff --git a/src/mem/memhash.c b/src/mem/memhash.c new file mode 100644 index 0000000..d752fed --- /dev/null +++ b/src/mem/memhash.c @@ -0,0 +1,13 @@ +#include +#include +#include + +size_t calt_memhash(const void *ptr, size_t count) { + unsigned char const *p = ptr; + size_t hash = 0; + size_t const hash_bits = sizeof hash; + while (count-- > 0) { + hash ^= (size_t) * (p++) << count % hash_bits * CHAR_BIT; + } + return hash; +} diff --git a/src/mem/memlen.c b/src/mem/memlen.c new file mode 100644 index 0000000..dfb45fb --- /dev/null +++ b/src/mem/memlen.c @@ -0,0 +1,3 @@ +#include + +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 new file mode 100644 index 0000000..8745923 --- /dev/null +++ b/src/mem/memmem.c @@ -0,0 +1,4 @@ +#include + +extern inline void *calt_memmem(void const *haystack, size_t haystacklen, + void const *needle, size_t needlelen); diff --git a/src/mem/memmove.c b/src/mem/memmove.c new file mode 100644 index 0000000..79a4ebb --- /dev/null +++ b/src/mem/memmove.c @@ -0,0 +1,5 @@ +#include + +extern inline void *calt_memmove(void *dest, void const *src, size_t count); +extern inline void *calt_memmove_null(void *dest, void const *src, size_t count); + diff --git a/src/mem/memrchr.c b/src/mem/memrchr.c new file mode 100644 index 0000000..a8d59f2 --- /dev/null +++ b/src/mem/memrchr.c @@ -0,0 +1,3 @@ +#include + +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 new file mode 100644 index 0000000..fbc7516 --- /dev/null +++ b/src/mem/memrev.c @@ -0,0 +1,4 @@ +#include + +extern inline void calt_memrev(void *ptr, size_t size); + diff --git a/src/mem/memset.c b/src/mem/memset.c new file mode 100644 index 0000000..df4c3cd --- /dev/null +++ b/src/mem/memset.c @@ -0,0 +1,5 @@ +#include + +extern inline void *calt_memset(void *dest, unsigned char value, size_t count); +extern inline void *calt_memset_null(void *dest, unsigned char value, size_t count); + diff --git a/src/mem/memswap.c b/src/mem/memswap.c new file mode 100644 index 0000000..612fde5 --- /dev/null +++ b/src/mem/memswap.c @@ -0,0 +1,3 @@ +#include + +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 new file mode 100644 index 0000000..9388516 --- /dev/null +++ b/src/mem/memzero.c @@ -0,0 +1,4 @@ +#include + +extern inline void *calt_memzero(void *restrict dest, size_t count); +extern inline void *calt_memzero_null(void *restrict dest, size_t count); diff --git a/src/mem/meson.build b/src/mem/meson.build new file mode 100644 index 0000000..0ab2bc4 --- /dev/null +++ b/src/mem/meson.build @@ -0,0 +1,15 @@ +src += files([ + 'memccpy.c', + 'memchr.c', + 'memcmp.c', + 'memcpy.c', + 'memhash.c', + 'memlen.c', + 'memmem.c', + 'memmove.c', + 'memrchr.c', + 'memrev.c', + 'memset.c', + 'memswap.c', + 'memzero.c', +]) -- cgit v1.2.3-70-g09d2