Andrew MacIntyre | 41d97d6 | 2002-02-17 05:23:30 +0000 | [diff] [blame] | 1 | /* |
| 2 | This is the entry point for Python DLL(s). |
| 3 | It also provides an getenv() function that works from within DLLs. |
| 4 | */ |
| 5 | |
| 6 | #define NULL 0 |
| 7 | |
| 8 | /* Make references to imported symbols to pull them from static library */ |
| 9 | #define REF(s) extern void s (); void *____ref_##s = &s; |
| 10 | |
| 11 | REF (Py_Main); |
| 12 | |
| 13 | #if defined (__EMX__) |
| 14 | |
| 15 | #include <signal.h> |
| 16 | |
| 17 | extern int _CRT_init (void); |
| 18 | extern void _CRT_term (void); |
| 19 | extern void __ctordtorInit (void); |
| 20 | extern void __ctordtorTerm (void); |
| 21 | |
| 22 | unsigned long _DLL_InitTerm (unsigned long mod_handle, unsigned long flag) |
| 23 | { |
| 24 | switch (flag) |
| 25 | { |
| 26 | case 0: |
| 27 | if (_CRT_init ()) return 0; |
| 28 | __ctordtorInit (); |
| 29 | /* Ignore fatal signals */ |
| 30 | signal (SIGSEGV, SIG_IGN); |
| 31 | signal (SIGFPE, SIG_IGN); |
| 32 | return 1; |
| 33 | case 1: |
| 34 | __ctordtorTerm (); |
| 35 | _CRT_term (); |
| 36 | return 1; |
| 37 | default: |
| 38 | return 0; |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | #endif |
| 43 | |
| 44 | /* A version of getenv() that works from DLLs */ |
| 45 | extern int DosScanEnv (const char *pszName, char **ppszValue); |
| 46 | |
| 47 | char *getenv (const char *name) |
| 48 | { |
| 49 | char *value; |
| 50 | if (DosScanEnv (name, &value)) |
| 51 | return NULL; |
| 52 | else |
| 53 | return value; |
| 54 | } |