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A bit more readable code. Also saves one buffer.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13222 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2007-04-20 17:35:05 +00:00
parent b7d93d0673
commit 49be3faf07
1 changed files with 13 additions and 12 deletions
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25
uisimulator/common/io.c
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@ -64,24 +64,25 @@ extern const unsigned char* utf8decode(const unsigned char *utf8,
unsigned short *ucs);
extern unsigned char* utf8encode(unsigned long ucs, unsigned char *utf8);
/* UTF-8 <-> UCS2 conversion. Note that these functions aren't thread safe
* due to the use of static buffers. */
static wchar_t* utf8_to_ucs2(const unsigned char *utf8, int index)
/* Static buffers for the conversion results. This isn't thread safe,
* but it's sufficient for rockbox. */
static unsigned char convbuf1[3*MAX_PATH];
static unsigned char convbuf2[3*MAX_PATH];
static wchar_t* utf8_to_ucs2(const unsigned char *utf8, void *buffer)
{
static wchar_t wbuffer[2][MAX_PATH];
wchar_t *ucs = wbuffer[index];
wchar_t *ucs = buffer;
while (*utf8)
utf8 = utf8decode(utf8, ucs++);
*ucs = 0;
return wbuffer[index];
return buffer;
}
static unsigned char *ucs2_to_utf8(const wchar_t *ucs)
static unsigned char *ucs2_to_utf8(const wchar_t *ucs, unsigned char *buffer)
{
static unsigned char buffer[3*MAX_PATH];
unsigned char *utf8 = buffer;
while (*ucs)
utf8 = utf8encode(*ucs++, utf8);
@ -89,8 +90,8 @@ static unsigned char *ucs2_to_utf8(const wchar_t *ucs)
return buffer;
}
#define UTF8_TO_OS(a) utf8_to_ucs2(a,0)
#define OS_TO_UTF8(a) ucs2_to_utf8(a)
#define UTF8_TO_OS(a) utf8_to_ucs2(a,convbuf1)
#define OS_TO_UTF8(a) ucs2_to_utf8(a,convbuf1)
#define DIR_T _WDIR
#define DIRENT_T struct _wdirent
#define STAT_T struct _stat
@ -104,7 +105,7 @@ extern int _wrmdir(const wchar_t*);
#define STAT(a,b) (_wstat)(UTF8_TO_OS(a),b)
#define OPEN(a,b,c) (_wopen)(UTF8_TO_OS(a),b,c)
#define REMOVE(a) (_wremove)(UTF8_TO_OS(a))
#define RENAME(a,b) (_wrename)(UTF8_TO_OS(a),utf8_to_ucs2(b,1))
#define RENAME(a,b) (_wrename)(UTF8_TO_OS(a),utf8_to_ucs2(b,convbuf2))
#else /* !__MINGW32__ */