GF_EXPORT
FILE *gf_temp_file_new(char ** const fileName)
{
FILE *res = NULL;
#if defined(_WIN32_WCE)
TCHAR pPath[MAX_PATH+1];
TCHAR pTemp[MAX_PATH+1];
if (!GetTempPath(MAX_PATH, pPath)) {
pPath[0] = '.';
pPath[1] = '.';
}
if (GetTempFileName(pPath, TEXT("git"), 0, pTemp))
res = _wfopen(pTemp, TEXT("w+b"));
#elif defined(WIN32)
res = tmpfile();
if (!res) {
wchar_t tmp[MAX_PATH];
GF_LOG(GF_LOG_INFO, GF_LOG_CORE, ("[Win32] system failure for tmpfile(): 0x%08x\n", GetLastError()));
/*tmpfile() may fail under vista ...*/
if (GetEnvironmentVariableW(L"TEMP", tmp, MAX_PATH)) {
wchar_t tmp2[MAX_PATH], *t_file;
char* mbs_t_file;
gf_rand_init(GF_FALSE);
swprintf(tmp2, MAX_PATH, L"gpac_%d_%08x_", _getpid(), gf_rand());
t_file = _wtempnam(tmp, tmp2);
mbs_t_file = wcs_to_utf8(t_file);
if (!mbs_t_file)
return 0;
res = gf_fopen(mbs_t_file, "w+b");
if (res) {
gpac_file_handles--;
if (fileName) {
*fileName = gf_strdup(mbs_t_file);
} else {
GF_LOG(GF_LOG_WARNING, GF_LOG_CORE, ("[Win32] temporary file %s won't be deleted - contact the GPAC team\n", mbs_t_file));
}
}
gf_free(mbs_t_file);
free(t_file);
}
}
#else
res = tmpfile();
#endif
if (res) {
gpac_file_handles++;
}
return res;
}
// le corps est déjà défini
// retourne un polynôme unitaire de degré t irreductible dans le corps
poly_t poly_randgen_irred(int t, int (*u8rnd)()) {
int i;
poly_t g;
g = poly_alloc(t);
poly_set_deg(g, t);
poly_set_coeff(g, t, gf_unit());
i = 0;
do
for (i = 0; i < t; ++i)
poly_set_coeff(g, i, gf_rand(u8rnd));
while (poly_degppf(g) < t);
return g;
}
void Playlist::OnRandomize()
{
GF_List *new_entries = gf_list_new();
gf_rand_init(GF_FALSE);
while (gf_list_count(m_entries)>1) {
u32 pos = gf_rand() % (gf_list_count(m_entries)-1);
PLEntry *ple = (PLEntry *)gf_list_get(m_entries, pos);
gf_list_rem(m_entries, pos);
gf_list_add(new_entries, ple);
}
PLEntry *ple = (PLEntry *)gf_list_get(m_entries, 0);
gf_list_rem(m_entries, 0);
gf_list_add(new_entries, ple);
gf_list_del(m_entries);
m_entries = new_entries;
m_cur_entry = -1;
RefreshList();
}
void wxPlaylist::OnRandomize(wxCommandEvent &WXUNUSED(event) )
{
GF_List *new_entries = gf_list_new();
gf_rand_init(0);
while (gf_list_count(m_entries)>1) {
u32 pos = gf_rand() % (gf_list_count(m_entries)-1);
PLEntry *ple = (PLEntry *)gf_list_get(m_entries, pos);
gf_list_rem(m_entries, pos);
gf_list_add(new_entries, ple);
}
PLEntry *ple = (PLEntry *)gf_list_get(m_entries, 0);
gf_list_rem(m_entries, 0);
gf_list_add(new_entries, ple);
gf_list_del(m_entries);
m_entries = new_entries;
m_cur_entry = -1;
RefreshList();
}
GF_EXPORT
FILE *gf_temp_file_new()
{
FILE *res=NULL;
#if defined(_WIN32_WCE)
TCHAR pPath[MAX_PATH+1];
TCHAR pTemp[MAX_PATH+1];
if (!GetTempPath(MAX_PATH, pPath)) {
pPath[0] = '.';
pPath[1] = '.';
}
if (GetTempFileName(pPath, TEXT("git"), 0, pTemp))
res = _wfopen(pTemp, TEXT("w+b"));
#elif defined(WIN32)
char tmp[MAX_PATH];
res = tmpfile();
if (!res) {
GF_LOG(GF_LOG_WARNING, GF_LOG_CORE, ("[Win32] system failure for tmpfile(): 0x%08x\n", GetLastError()));
/*tmpfile() may fail under vista ...*/
if (GetEnvironmentVariable("TEMP",tmp,MAX_PATH)) {
char tmp2[MAX_PATH], *t_file;
gf_rand_init(GF_FALSE);
sprintf(tmp2, "gpac_%08x_", gf_rand());
t_file = tempnam(tmp, tmp2);
res = gf_fopen(t_file, "w+b");
free(t_file);
}
}
#else
res = tmpfile();
#endif
if (res) {
gpac_file_handles++;
}
return res;
}
