cpython/Modules/python.c

79 lines
2.0 KiB
C

/* Minimal main program -- everything is loaded from the library */
#include "Python.h"
#include <locale.h>
#ifdef __FreeBSD__
#include <floatingpoint.h>
#endif
#ifdef MS_WINDOWS
int
wmain(int argc, wchar_t **argv)
{
return Py_Main(argc, argv);
}
#else
int
main(int argc, char **argv)
{
wchar_t **argv_copy = PyMem_Malloc(sizeof(wchar_t*)*argc);
/* We need a second copies, as Python might modify the first one. */
wchar_t **argv_copy2 = PyMem_Malloc(sizeof(wchar_t*)*argc);
int i, res;
char *oldloc;
/* 754 requires that FP exceptions run in "no stop" mode by default,
* and until C vendors implement C99's ways to control FP exceptions,
* Python requires non-stop mode. Alas, some platforms enable FP
* exceptions by default. Here we disable them.
*/
#ifdef __FreeBSD__
fp_except_t m;
m = fpgetmask();
fpsetmask(m & ~FP_X_OFL);
#endif
if (!argv_copy || !argv_copy2) {
fprintf(stderr, "out of memory\n");
return 1;
}
oldloc = setlocale(LC_ALL, NULL);
setlocale(LC_ALL, "");
for (i = 0; i < argc; i++) {
#ifdef HAVE_BROKEN_MBSTOWCS
/* Some platforms have a broken implementation of
* mbstowcs which does not count the characters that
* would result from conversion. Use an upper bound.
*/
size_t argsize = strlen(argv[i]);
#else
size_t argsize = mbstowcs(NULL, argv[i], 0);
#endif
size_t count;
if (argsize == (size_t)-1) {
fprintf(stderr, "Could not convert argument %d to string\n", i);
return 1;
}
argv_copy[i] = PyMem_Malloc((argsize+1)*sizeof(wchar_t));
argv_copy2[i] = argv_copy[i];
if (!argv_copy[i]) {
fprintf(stderr, "out of memory\n");
return 1;
}
count = mbstowcs(argv_copy[i], argv[i], argsize+1);
if (count == (size_t)-1) {
fprintf(stderr, "Could not convert argument %d to string\n", i);
return 1;
}
}
setlocale(LC_ALL, oldloc);
res = Py_Main(argc, argv_copy);
for (i = 0; i < argc; i++) {
PyMem_Free(argv_copy2[i]);
}
PyMem_Free(argv_copy);
PyMem_Free(argv_copy2);
return res;
}
#endif