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First batch of changes to support W32CE.

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Note that jnlib/w32-reg.c is not yet ready.
This commit is contained in:
Werner Koch 2010-02-26 18:44:36 +00:00
parent 0e018d7144
commit 2cf687cb3e
25 changed files with 524 additions and 1800 deletions
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70
jnlib/mischelp.c
View file

@ -29,12 +29,24 @@
# include <sys/stat.h>
# include <unistd.h>
#endif /*!HAVE_W32_SYSTEM*/
#include <errno.h>
#include "libjnlib-config.h"
#include "stringhelp.h"
#include "utf8conv.h"
#include "mischelp.h"
/* Because we can't use our jnlib_free macro in inline functions we
provide this wrapper. */
void
_jnlib_free (void *p)
{
if (p)
jnlib_free (p);
}
/* Check whether the files NAME1 and NAME2 are identical. This is for
example achieved by comparing the inode numbers of the files. */
int
@ -50,14 +62,36 @@ same_file_p (const char *name1, const char *name2)
#ifdef HAVE_W32_SYSTEM
HANDLE file1, file2;
BY_HANDLE_FILE_INFORMATION info1, info2;
#ifdef HAVE_W32CE_SYSTEM
{
wchar_t *wname = utf8_to_wchar (name1);
if (wname)
file1 = CreateFile (wname, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
else
file1 = INVALID_HANDLE_VALUE;
jnlib_free (wname);
}
#else
file1 = CreateFile (name1, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
#endif
if (file1 == INVALID_HANDLE_VALUE)
yes = 0; /* If we can't open the file, it is not the same. */
else
{
#ifdef HAVE_W32CE_SYSTEM
{
wchar_t *wname = utf8_to_wchar (name2);
if (wname)
file2 = CreateFile (wname, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
else
file2 = INVALID_HANDLE_VALUE;
jnlib_free (wname);
}
#else
file2 = CreateFile (name2, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
if (file1 == INVALID_HANDLE_VALUE)
#endif
if (file2 == INVALID_HANDLE_VALUE)
yes = 0; /* If we can't open the file, it is not the same. */
else
{
@ -87,7 +121,7 @@ same_file_p (const char *name1, const char *name2)
and get back a time_t. It differs from mktime() in that it handles
the case where the struct tm is UTC and the local environment isn't.
Note, that this replacement implementaion is not thread-safe!
Note, that this replacement implementation might not be thread-safe!
Some BSDs don't handle the putenv("foo") case properly, so we use
unsetenv if the platform has it to remove environment variables.
@ -96,6 +130,35 @@ same_file_p (const char *name1, const char *name2)
time_t
timegm (struct tm *tm)
{
#ifdef HAVE_W32_SYSTEM
/* This one is thread safe. */
SYSTEMTIME st;
FILETIME ft;
unsigned long long cnsecs;
st.wYear = tm->tm_year + 1900;
st.wMonth = tm->tm_mon + 1;
st.wDay = tm->tm_mday;
st.wHour = tm->tm_hour;
st.wMinute = tm->tm_min;
st.wSecond = tm->tm_sec;
st.wMilliseconds = 0; /* Not available. */
st.wDayOfWeek = 0; /* Ignored. */
/* System time is UTC thus the conversion is pretty easy. */
if (!SystemTimeToFileTime (&st, &ft))
{
jnlib_set_errno (EINVAL);
return (time_t)(-1);
}
cnsecs = (((unsigned long long)ft.dwHighDateTime << 32)
| ft.dwLowDateTime);
cnsecs -= 116444736000000000ULL; /* The filetime epoch is 1601-01-01. */
return (time_t)(cnsecs / 10000000ULL);
#else /* (Non thread safe implementation!) */
time_t answer;
char *zone;
@ -128,6 +191,7 @@ timegm (struct tm *tm)
tzset();
return answer;
#endif
}
#endif /*!HAVE_TIMEGM*/