cpython.git - https://github.com/python/cpython.git

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Diffstat (limited to 'Python/pystrtod.c')

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/* Support for dynamic loading of extension modules */

#include <windows.h>
#include <direct.h>
#include <ctype.h>

#include "Python.h"
#include "importdl.h"

const struct filedescr _PyImport_DynLoadFiletab[] = {
#ifdef _DEBUG
	{"_d.pyd", "rb", C_EXTENSION},
	{"_d.dll", "rb", C_EXTENSION},
#else
	{".pyd", "rb", C_EXTENSION},
	{".dll", "rb", C_EXTENSION},
#endif
	{0, 0}
};


/* Case insensitive string compare, to avoid any dependencies on particular
   C RTL implementations */

static int strcasecmp (char *string1, char *string2)
{ 
	int first, second;

	do {
		first  = tolower(*string1);
		second = tolower(*string2);
		string1++;
		string2++;
	} while (first && first == second);

	return (first - second);
} 


/* Function to return the name of the "python" DLL that the supplied module
   directly imports.  Looks through the list of imported modules and
   returns the first entry that starts with "python" (case sensitive) and
   is followed by nothing but numbers until the separator (period).

   Returns a pointer to the import name, or NULL if no matching name was
   located.

   This function parses through the PE header for the module as loaded in
   memory by the system loader.  The PE header is accessed as documented by
   Microsoft in the MSDN PE and COFF specification (2/99), and handles
   both PE32 and PE32+.  It only worries about the direct import table and
   not the delay load import table since it's unlikely an extension is
   going to be delay loading Python (after all, it's already loaded).

   If any magic values are not found (e.g., the PE header or optional
   header magic), then this function simply returns NULL. */

#define DWORD_AT(mem) (*(DWORD *)(mem))
#define WORD_AT(mem)  (*(WORD *)(mem))

static char *GetPythonImport (HINSTANCE hModule)
{


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