Reorder the members of struct re_save_state to reduce its size on LP64.

[perl5.git] / win32 / perllib.c

diff --git a/win32/perllib.c b/win32/perllib.c
index 4e4c113..22e8923 100644 (file)
--- a/win32/perllib.c
+++ b/win32/perllib.c
@@ -1,5 +1,9 @@
 /*
- * "The Road goes ever on and on, down from the door where it began."
+ *      The Road goes ever on and on
+ *          Down from the door where it began.
+ *
+ *     [Bilbo on p.35 of _The Lord of the Rings_, I/i: "A Long-Expected Party"]
+ *     [Frodo on p.73 of _The Lord of the Rings_, I/iii: "Three Is Company"]
  */
 #define PERLIO_NOT_STDIO 0
 #include "EXTERN.h"
@@ -14,12 +18,18 @@
 
 
 /* Register any extra external extensions */
-char *staticlinkmodules[] = {
+const char * const staticlinkmodules[] = {
     "DynaLoader",
+    /* other similar records will be included from "perllibst.h" */
+#define STATIC1
+#include "perllibst.h"
     NULL,
 };
 
 EXTERN_C void boot_DynaLoader (pTHX_ CV* cv);
+/* other similar records will be included from "perllibst.h" */
+#define STATIC2
+#include "perllibst.h"
 
 static void
 xs_init(pTHX)
@@ -27,10 +37,16 @@ xs_init(pTHX)
     char *file = __FILE__;
     dXSUB_SYS;
     newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
+    /* other similar records will be included from "perllibst.h" */
+#define STATIC3
+#include "perllibst.h"
 }
 
 #ifdef PERL_IMPLICIT_SYS
 
+/* WINCE: include replaced by:
+extern "C" void win32_checkTLS(PerlInterpreter *host_perl);
+*/
 #include "perlhost.h"
 
 void
@@ -39,11 +55,45 @@ win32_checkTLS(PerlInterpreter *host_perl)
     dTHX;
     if (host_perl != my_perl) {
        int *nowhere = NULL;
-        *nowhere = 0; 
+#ifdef UNDER_CE
+       printf(" ... bad in win32_checkTLS\n");
+       printf("  %08X ne %08X\n",host_perl,my_perl);
+#endif
        abort();
     }
 }
 
+#ifdef UNDER_CE
+int GetLogicalDrives() {
+    return 0; /* no logical drives on CE */
+}
+int GetLogicalDriveStrings(int size, char addr[]) {
+    return 0; /* no logical drives on CE */
+}
+/* TBD */
+DWORD GetFullPathNameA(LPCSTR fn, DWORD blen, LPTSTR buf,  LPSTR *pfile) {
+    return 0;
+}
+/* TBD */
+DWORD GetFullPathNameW(CONST WCHAR *fn, DWORD blen, WCHAR * buf,  WCHAR **pfile) {
+    return 0;
+}
+/* TBD */
+DWORD SetCurrentDirectoryA(LPSTR pPath) {
+    return 0;
+}
+/* TBD */
+DWORD SetCurrentDirectoryW(CONST WCHAR *pPath) {
+    return 0;
+}
+int xcesetuid(uid_t id){return 0;}
+int xceseteuid(uid_t id){  return 0;}
+int xcegetuid() {return 0;}
+int xcegeteuid(){ return 0;}
+#endif
+
+/* WINCE??: include "perlhost.h" */
+
 EXTERN_C void
 perl_get_host_info(struct IPerlMemInfo* perlMemInfo,
                   struct IPerlMemInfo* perlMemSharedInfo,
@@ -161,24 +211,31 @@ RunPerl(int argc, char **argv, char **env)
 {
     int exitstatus;
     PerlInterpreter *my_perl, *new_perl = NULL;
-
-#ifndef __BORLANDC__
-    /* XXX this _may_ be a problem on some compilers (e.g. Borland) that
-     * want to free() argv after main() returns.  As luck would have it,
-     * Borland's CRT does the right thing to argv[0] already. */
+    OSVERSIONINFO osver;
     char szModuleName[MAX_PATH];
-    char *ptr;
+    char *arg0 = argv[0];
+    char *ansi = NULL;
+    bool use_environ = (env == environ);
 
-    GetModuleFileName(NULL, szModuleName, sizeof(szModuleName));
-    (void)win32_longpath(szModuleName);
-    argv[0] = szModuleName;
-#endif
+    osver.dwOSVersionInfoSize = sizeof(osver);
+    GetVersionEx(&osver);
+
+    if (osver.dwMajorVersion > 4) {
+        WCHAR widename[MAX_PATH];
+        GetModuleFileNameW(NULL, widename, sizeof(widename)/sizeof(WCHAR));
+        argv[0] = ansi = win32_ansipath(widename);
+    }
+    else {
+        Win_GetModuleFileName(NULL, szModuleName, sizeof(szModuleName));
+        (void)win32_longpath(szModuleName);
+        argv[0] = szModuleName;
+    }
 
 #ifdef PERL_GLOBAL_STRUCT
-#define PERLVAR(var,type) /**/
-#define PERLVARA(var,type) /**/
-#define PERLVARI(var,type,init) PL_Vars.var = init;
-#define PERLVARIC(var,type,init) PL_Vars.var = init;
+#define PERLVAR(prefix,var,type) /**/
+#define PERLVARA(prefix,var,type) /**/
+#define PERLVARI(prefix,var,type,init) PL_Vars.prefix##var = init;
+#define PERLVARIC(prefix,var,type,init) PL_Vars.prefix##var = init;
 #include "perlvars.h"
 #undef PERLVAR
 #undef PERLVARA
@@ -193,6 +250,16 @@ RunPerl(int argc, char **argv, char **env)
     perl_construct(my_perl);
     PL_perl_destruct_level = 0;
 
+    /* PERL_SYS_INIT() may update the environment, e.g. via ansify_path().
+     * This may reallocate the RTL environment block. Therefore we need
+     * to make sure that `env` continues to have the same value as `environ`
+     * if we have been called this way.  If we have been called with any
+     * other value for `env` then all environment munging by PERL_SYS_INIT()
+     * will be lost again.
+     */
+    if (use_environ)
+        env = environ;
+
     exitstatus = perl_parse(my_perl, xs_init, argc, argv, env);
     if (!exitstatus) {
 #if defined(TOP_CLONE) && defined(USE_ITHREADS)                /* XXXXXX testing */
@@ -214,6 +281,11 @@ RunPerl(int argc, char **argv, char **env)
     }
 #endif
 
+    /* Some RTLs may want to free argv[] after main() returns. */
+    argv[0] = arg0;
+    if (ansi)
+        win32_free(ansi);
+
     PERL_SYS_TERM();
 
     return (exitstatus);
@@ -246,7 +318,11 @@ DllMain(HANDLE hModule,            /* DLL module handle */
        setmode( fileno( stderr ), O_BINARY );
        _fmode = O_BINARY;
 #endif
+
+#ifndef UNDER_CE
        DisableThreadLibraryCalls((HMODULE)hModule);
+#endif
+
        w32_perldll_handle = hModule;
        set_w32_module_name();
        break;
@@ -262,7 +338,7 @@ DllMain(HANDLE hModule,             /* DLL module handle */
             PerlIO_cleanup() was done here but fails (B).
          */     
        EndSockets();
-#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
+#if defined(USE_ITHREADS)
        if (PL_curinterp)
            FREE_THREAD_KEY;
 #endif
@@ -282,6 +358,7 @@ DllMain(HANDLE hModule,             /* DLL module handle */
     return TRUE;
 }
 
+
 #if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
 EXTERN_C PerlInterpreter *
 perl_clone_host(PerlInterpreter* proto_perl, UV flags) {