Upstream/CloverBootloader
1
0
Fork 0
mirror of https://github.com/CloverHackyColor/CloverBootloader.git synced 2024-11-12 09:54:36 +01:00
Code Issues Packages Projects Releases Wiki Activity

Xcode warnings.

Browse Source
This commit is contained in:
Jief L 2020-03-13 18:58:13 +03:00
parent 175f047e15
commit 62a379d0a0
1 changed files with 13 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
rEFIt_UEFI/Platform/Posix/strlen.cpp
View File

@ -4,12 +4,15 @@
#include <stdint.h>
#include <stdlib.h>
#include <stddef.h>
#include <limits.h>
#ifdef MAP_TO_EDK_STRLEN
extern "C" UINTN EFIAPI AsciiStrLen (IN CONST CHAR8 *String);
#endif
// Hope that unsigned long long is as big in bits sa a pointer difference.
#define DOWN_CAST_TO_SIZE_T(a) ( (ptrdiff_t)(a) > (ptrdiff_t)(SIZE_T_MAX) ? abort(), 0 : (size_t)(a) )
/* Return the length of the null-terminated string STR. Scan for
the null terminator quickly by testing four bytes at a time. */
size_t strlen (const char *str)
@ -28,8 +31,7 @@ size_t strlen (const char *str)
& (sizeof (longword) - 1)) != 0;
++char_ptr)
if (*char_ptr == '\0') {
if ( char_ptr - str > SIZE_T_MAX ) abort();
return (size_t)(char_ptr - str);
return DOWN_CAST_TO_SIZE_T(char_ptr - str);
}
/* All these elucidatory comments refer to 4-byte longwords,
@ -73,23 +75,23 @@ size_t strlen (const char *str)
const char *cp = (const char *) (longword_ptr - 1);
if (cp[0] == 0)
return cp - str;
return DOWN_CAST_TO_SIZE_T(cp - str);
if (cp[1] == 0)
return cp - str + 1;
return DOWN_CAST_TO_SIZE_T(cp - str + 1);
if (cp[2] == 0)
return cp - str + 2;
return DOWN_CAST_TO_SIZE_T(cp - str + 2);
if (cp[3] == 0)
return cp - str + 3;
return DOWN_CAST_TO_SIZE_T(cp - str + 3);
if (sizeof (longword) > 4)
{
if (cp[4] == 0)
return cp - str + 4;
return DOWN_CAST_TO_SIZE_T(cp - str + 4);
if (cp[5] == 0)
return cp - str + 5;
return DOWN_CAST_TO_SIZE_T(cp - str + 5);
if (cp[6] == 0)
return cp - str + 6;
return DOWN_CAST_TO_SIZE_T(cp - str + 6);
if (cp[7] == 0)
return cp - str + 7;
return DOWN_CAST_TO_SIZE_T(cp - str + 7);
}
}
}