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fix formatting in klibc/string.c

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This commit is contained in:
Borna Šoštarić
2026-01-28 21:54:28 +01:00
parent 45abf9418b
commit 9d394d984b
1 changed files with 26 additions and 25 deletions
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51
klibc/src/string.c
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@@ -1,8 +1,8 @@
#include <string.h>
int memcmp(const void* s1, const void* s2, size_t n) {
const unsigned char* c1 = s1;
const unsigned char* c2 = s2;
int memcmp(const void *s1, const void *s2, size_t n) {
const unsigned char *c1 = s1;
const unsigned char *c2 = s2;
int d = 0;
while (n--) {
@@ -13,9 +13,9 @@ int memcmp(const void* s1, const void* s2, size_t n) {
return d;
}
void* memmove(void* dst, const void* src, size_t n) {
const char* p = src;
char* q = dst;
void *memmove(void *dst, const void *src, size_t n) {
const char *p = src;
char *q = dst;
#if defined(__i386__) || defined(__x86_64__)
if (q < p) {
__asm__ volatile("cld; rep; movsb" : "+c"(n), "+S"(p), "+D"(q));
@@ -41,19 +41,19 @@ void* memmove(void* dst, const void* src, size_t n) {
return dst;
}
void* memcpy(void* dst, const void* src, size_t n) {
const char* p = src;
char* q = dst;
void *memcpy(void *dst, const void *src, size_t n) {
const char *p = src;
char *q = dst;
#if defined(__i386__)
size_t nl = n >> 2;
__asm__ volatile("cld ; rep ; movsl ; movl %3,%0 ; rep ; movsb"
: "+c"(nl), "+S"(p), "+D"(q)
: "r"(n & 3));
: "+c"(nl), "+S"(p), "+D"(q)
: "r"(n & 3));
#elif defined(__x86_64__)
size_t nq = n >> 3;
__asm__ volatile("cld ; rep ; movsq ; movl %3,%%ecx ; rep ; movsb"
: "+c"(nq), "+S"(p), "+D"(q)
: "r"((uint32_t)(n & 7)));
: "+c"(nq), "+S"(p), "+D"(q)
: "r"((uint32_t)(n & 7)));
#else
while (n--) {
*q++ = *p++;
@@ -63,20 +63,20 @@ void* memcpy(void* dst, const void* src, size_t n) {
return dst;
}
void* memset(void* dst, int c, size_t n) {
char* q = dst;
void *memset(void *dst, int c, size_t n) {
char *q = dst;
#if defined(__i386__)
size_t nl = n >> 2;
__asm__ volatile("cld ; rep ; stosl ; movl %3,%0 ; rep ; stosb"
: "+c"(nl), "+D"(q)
: "a"((unsigned char)c * 0x01010101U), "r"(n & 3));
: "+c"(nl), "+D"(q)
: "a"((unsigned char)c * 0x01010101U), "r"(n & 3));
#elif defined(__x86_64__)
size_t nq = n >> 3;
__asm__ volatile("cld ; rep ; stosq ; movl %3,%%ecx ; rep ; stosb"
: "+c"(nq), "+D"(q)
: "a"((unsigned char)c * 0x0101010101010101U),
"r"((uint32_t)n & 7));
: "+c"(nq), "+D"(q)
: "a"((unsigned char)c * 0x0101010101010101U),
"r"((uint32_t)n & 7));
#else
while (n--) {
*q++ = c;
@@ -86,15 +86,15 @@ void* memset(void* dst, int c, size_t n) {
return dst;
}
size_t strlen(const char* s) {
const char* ss = s;
size_t strlen(const char *s) {
const char *ss = s;
while (*ss) ss++;
return ss - s;
}
int strcmp(const char* s1, const char* s2) {
const unsigned char* c1 = (const unsigned char*)s1;
const unsigned char* c2 = (const unsigned char*)s2;
int strcmp(const char *s1, const char *s2) {
const unsigned char *c1 = (const unsigned char *)s1;
const unsigned char *c2 = (const unsigned char *)s2;
unsigned char ch;
int d = 0;
@@ -105,3 +105,4 @@ int strcmp(const char* s1, const char* s2) {
return d;
}