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Rewrite _sys_strncmp

This commit is contained in:
Nekotekina 2017-09-17 14:16:15 +03:00
parent ccc87081f3
commit a4b824c50a
1 changed files with 13 additions and 2 deletions
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15
rpcs3/Emu/Cell/Modules/sys_libc_.cpp
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@ -223,11 +223,22 @@ s32 _sys_strcmp(vm::cptr<char> str1, vm::cptr<char> str2)
} }
} }
s32 _sys_strncmp(vm::cptr<char> str1, vm::cptr<char> str2, s32 max) s32 _sys_strncmp(vm::cptr<char> str1, vm::cptr<char> str2, u32 max)
{ {
sysPrxForUser.trace("_sys_strncmp(str1=%s, str2=%s, max=%d)", str1, str2, max); sysPrxForUser.trace("_sys_strncmp(str1=%s, str2=%s, max=%d)", str1, str2, max);
return std::strncmp(str1.get_ptr(), str2.get_ptr(), max); for (u32 i = 0; i < max; i++)
{
const u8 ch1 = str1[i], ch2 = str2[i];
if (ch1 < ch2)
return -1;
if (ch1 > ch2)
return 1;
if (ch1 == '\0')
break;
}
return 0;
} }
vm::ptr<char> _sys_strcat(vm::ptr<char> dest, vm::cptr<char> source) vm::ptr<char> _sys_strcat(vm::ptr<char> dest, vm::cptr<char> source)