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-rw-r--r--src/mem/memccpy.c7
-rw-r--r--src/mem/memchr.c13
-rw-r--r--src/mem/memcmp.c19
-rw-r--r--src/mem/memcpy.c19
-rw-r--r--src/mem/memlen.c12
-rw-r--r--src/mem/memmem.c14
-rw-r--r--src/mem/memmove.c22
-rw-r--r--src/mem/memrchr.c13
-rw-r--r--src/mem/memrev.c11
-rw-r--r--src/mem/memset.c16
-rw-r--r--src/mem/memswap.c14
-rw-r--r--src/mem/memzero.c10
12 files changed, 149 insertions, 21 deletions
diff --git a/src/mem/memccpy.c b/src/mem/memccpy.c
index 810b71b..82de236 100644
--- a/src/mem/memccpy.c
+++ b/src/mem/memccpy.c
@@ -21,6 +21,7 @@ void *calt_memccpy(void *restrict dest, void const *restrict src, unsigned char
return NULL;
}
-extern inline void *calt_memccpy_null(void *restrict dest,
- void const *restrict src,
- unsigned char value, size_t size);
+void *calt_memccpy_null(void *restrict dest, void const *restrict src,
+ unsigned char value, size_t count) {
+ return dest ? calt_memccpy(dest, src, value, count) : NULL;
+}
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;
+}
diff --git a/src/mem/memcmp.c b/src/mem/memcmp.c
index bcb2fb5..70419be 100644
--- a/src/mem/memcmp.c
+++ b/src/mem/memcmp.c
@@ -11,5 +11,22 @@
*/
#include <mem.h>
-extern inline int calt_memcmp(void const *ptr1, void const *ptr2, size_t count);
+int calt_memcmp(const void *ptr1, const void *ptr2, size_t count) {
+ if(ptr1 == ptr2){
+ return 0;
+ }
+
+ const unsigned char *p1 = ptr1;
+ const unsigned char *p2 = ptr2;
+
+ while (count-- > 0) {
+ if (*p1 != *p2) {
+ return (*p1 < *p2) ? -1 : 1;
+ }
+ p1++;
+ p2++;
+ }
+
+ return 0;
+}
diff --git a/src/mem/memcpy.c b/src/mem/memcpy.c
index 7880c53..c9fbfab 100644
--- a/src/mem/memcpy.c
+++ b/src/mem/memcpy.c
@@ -5,10 +5,21 @@
*/
#include <mem.h>
+void *calt_memcpy(void *restrict dest, const void *restrict src,
+ size_t count) {
+ unsigned char *d = dest;
+ unsigned char const *s = src;
-extern inline void *calt_memcpy(void *restrict dest, void const *restrict src,
- size_t count);
+ while (count-- > 0) {
+ *d++ = *s++;
+ }
+ return dest;
+}
+
+
+void *calt_memcpy_null(void *restrict dest, void const *restrict src,
+ size_t count) {
+ return dest ? calt_memcpy(dest, src, count) : NULL;
+}
-extern inline void *calt_memcpy_null(void *restrict dest, void const *restrict src,
- size_t count);
diff --git a/src/mem/memlen.c b/src/mem/memlen.c
index 6d6ddfe..83d15b1 100644
--- a/src/mem/memlen.c
+++ b/src/mem/memlen.c
@@ -6,4 +6,14 @@
#include <mem.h>
-extern inline size_t calt_memlen(void const *ptr, unsigned char value, size_t count);
+size_t calt_memlen(void const* ptr, unsigned char value, size_t size) {
+ unsigned char const *p = ptr;
+ size_t len = 0;
+
+ while (size-- > 0 && *p != value) {
+ p++;
+ len++;
+ }
+
+ return len;
+}
diff --git a/src/mem/memmem.c b/src/mem/memmem.c
index 14be8cc..68060cd 100644
--- a/src/mem/memmem.c
+++ b/src/mem/memmem.c
@@ -6,5 +6,15 @@
#include <mem.h>
-extern inline void *calt_memmem(void const *haystack, size_t haystacklen,
- void const *needle, size_t needlelen);
+void *calt_memmem(void const *haystack, size_t haystacklen,
+ void const *needle, size_t needlelen) {
+ unsigned char const *p = haystack;
+ unsigned char const *end = p + haystacklen - needlelen;
+ while (p <= end) {
+ if (calt_memcmp(p, needle, needlelen) == 0) {
+ return (void *)p;
+ }
+ p++;
+ }
+ return NULL;
+}
diff --git a/src/mem/memmove.c b/src/mem/memmove.c
index b6c6b1e..abb5d41 100644
--- a/src/mem/memmove.c
+++ b/src/mem/memmove.c
@@ -6,6 +6,24 @@
#include <mem.h>
-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);
+void *calt_memmove(void *dest, void const *src, size_t count) {
+ unsigned char *d = dest;
+ unsigned char const *s = src;
+
+ if (d > s) {
+ d += count;
+ s += count;
+ while (count-- > 0) {
+ *--d = *--s;
+ }
+ } else if (d < s) {
+ calt_memcpy(dest, src, count);
+ }
+
+ return dest;
+}
+
+void *calt_memmove_null(void *dest, void const *src, size_t count) {
+ return dest ? calt_memmove(dest, src, count) : NULL;
+}
diff --git a/src/mem/memrchr.c b/src/mem/memrchr.c
index 1799d27..a6e35af 100644
--- a/src/mem/memrchr.c
+++ b/src/mem/memrchr.c
@@ -6,4 +6,15 @@
#include <mem.h>
-extern inline void *calt_memrchr(void const *ptr, unsigned char value, size_t count);
+void *calt_memrchr(void const *ptr, unsigned char value, size_t count) {
+ unsigned char const *p = ptr;
+ p = p + count;
+
+ while (count > 0) {
+ if (*(--p) == value) {
+ return (void *)p;
+ }
+ }
+
+ return NULL;
+}
diff --git a/src/mem/memrev.c b/src/mem/memrev.c
index 472efcb..29c549c 100644
--- a/src/mem/memrev.c
+++ b/src/mem/memrev.c
@@ -6,5 +6,14 @@
#include <mem.h>
-extern inline void calt_memrev(void *ptr, size_t size);
+void* calt_memrev(void *ptr, size_t size) {
+ unsigned char *p1 = ptr;
+ unsigned char *p2 = p1 + size - 1;
+ while (p1 < p2) {
+ unsigned char temp = *p1;
+ *p1++ = *p2;
+ *p2-- = temp;
+ }
+ return ptr;
+}
diff --git a/src/mem/memset.c b/src/mem/memset.c
index 48fee61..c14cda8 100644
--- a/src/mem/memset.c
+++ b/src/mem/memset.c
@@ -6,6 +6,18 @@
#include <mem.h>
-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);
+void *calt_memset(void *restrict dest, unsigned char value, size_t count) {
+ unsigned char *p = dest;
+
+ while (count-- > 0) {
+ *p++ = value;
+ }
+
+ return dest;
+}
+
+void *calt_memset_null(void *dest, unsigned char value, size_t count) {
+ return dest ? calt_memset(dest, value, count) : NULL;
+}
+
diff --git a/src/mem/memswap.c b/src/mem/memswap.c
index 512c8c9..b6d30b1 100644
--- a/src/mem/memswap.c
+++ b/src/mem/memswap.c
@@ -6,4 +6,16 @@
#include <mem.h>
-extern inline void calt_memswap(void *restrict ptr1, void *restrict ptr2, size_t size);
+void calt_memswap(void *restrict ptr1, void *restrict ptr2, size_t size) {
+ if(ptr1 == ptr2){
+ return;
+ }
+ unsigned char *p1 = ptr1;
+ unsigned char *p2 = ptr2;
+ while (size-- > 0) {
+ unsigned char temp = *p1;
+ *p1++ = *p2;
+ *p2++ = temp;
+ }
+}
+
diff --git a/src/mem/memzero.c b/src/mem/memzero.c
index c92691f..e715539 100644
--- a/src/mem/memzero.c
+++ b/src/mem/memzero.c
@@ -6,5 +6,11 @@
#include <mem.h>
-extern inline void *calt_memzero(void *restrict dest, size_t count);
-extern inline void *calt_memzero_null(void *restrict dest, size_t count);
+void *calt_memzero(void *dest, size_t count) {
+ return calt_memset(dest, '\0', count);
+}
+
+void *calt_memzero_null(void *dest, size_t count) {
+ return dest ? calt_memzero(dest, count) : NULL;
+}
+
generated by cgit v1.2.3-70-g09d2 (git 2.50.0) at 2025-07-01 01:17:04 +0000