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More random compat hacking towards getting bash to build.

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I'm now at the build stage where it complains about a bajillion missing
symbols. This is a good place to be!
This commit is contained in:
Andreas Kling 2018-11-05 18:16:00 +01:00
parent e76312ab63
commit 82f84bab11
15 changed files with 306 additions and 8 deletions
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30
LibC/string.cpp
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@ -4,6 +4,16 @@
extern "C" {
void bzero(void* dest, size_t n)
{
memset(dest, 0, n);
}
void bcopy(const void* src, void* dest, size_t n)
{
memmove(dest, src, n);
}
void* memset(void* dest, int c, size_t n)
{
uint8_t* bdest = (uint8_t*)dest;
@ -48,11 +58,23 @@ size_t strlen(const char* str)
int strcmp(const char* s1, const char* s2)
{
for (; *s1 == *s2; ++s1, ++s2) {
if (*s1 == 0)
while (*s1 == *s2++)
if (*s1++ == 0)
return 0;
}
return *(const unsigned char*)s1 < *(const unsigned char*)s2 ? -1 : 1;
return *(const unsigned char*)s1 - *(const unsigned char*)--s2;
}
int strncmp(const char* s1, const char* s2, size_t n)
{
if (!n)
return 0;
do {
if (*s1 != *s2++)
return *(const unsigned char*)s1 - *(const unsigned char*)--s2;
if (*s1++ == 0)
break;
} while (--n);
return 0;
}
int memcmp(const void* v1, const void* v2, size_t n)