Make opendir() filename const in Win32-land & friends

That fact that it wasn't const already was highlighted by a warning
from pp_open_dir() generated by change 24743. Rather than undo the
const change in pp_open_dir(), this seems to make more sense. Hope I
haven't broken Netware or WinCE.

p4raw-id: //depot/perl@24974

10 files changed, 11 insertions, 11 deletions

diff --git a/NetWare/nw5.c b/NetWare/nw5.c
index 488111ce94..397d41a205 100644
--- a/NetWare/nw5.c
+++ b/NetWare/nw5.c
@@ -567,7 +567,7 @@ nw_rmdir(const char *dir)
 }
 
 DIR *
-nw_opendir(char *filename)
+nw_opendir(const char *filename)
 {
 	char	*buff = NULL;
 	int		len = 0;
diff --git a/NetWare/nwperlhost.h b/NetWare/nwperlhost.h
index 002bc676e0..a18436e402 100644
--- a/NetWare/nwperlhost.h
+++ b/NetWare/nwperlhost.h
@@ -961,7 +961,7 @@ PerlDirClose(struct IPerlDir* piPerl, DIR *dirp)
 }
 
 DIR*
-PerlDirOpen(struct IPerlDir* piPerl, char *filename)
+PerlDirOpen(struct IPerlDir* piPerl, const char *filename)
 {
 	return nw_opendir(filename);
 }
diff --git a/NetWare/nwperlsys.h b/NetWare/nwperlsys.h
index 0d731d1fcf..5863e85751 100644
--- a/NetWare/nwperlsys.h
+++ b/NetWare/nwperlsys.h
@@ -184,7 +184,7 @@ PerlDirClose(struct IPerlDir* piPerl, DIR *dirp)
 }
 
 DIR*
-PerlDirOpen(struct IPerlDir* piPerl, char *filename)
+PerlDirOpen(struct IPerlDir* piPerl, const char *filename)
 {
 	return nw_opendir(filename);
 }
diff --git a/iperlsys.h b/iperlsys.h
index 28e6719427..883f9357ef 100644
--- a/iperlsys.h
+++ b/iperlsys.h
@@ -366,7 +366,7 @@ typedef int		(*LPMakedir)(struct IPerlDir*, const char*, int);
 typedef int		(*LPChdir)(struct IPerlDir*, const char*);
 typedef int		(*LPRmdir)(struct IPerlDir*, const char*);
 typedef int		(*LPDirClose)(struct IPerlDir*, DIR*);
-typedef DIR*		(*LPDirOpen)(struct IPerlDir*, char*);
+typedef DIR*		(*LPDirOpen)(struct IPerlDir*, const char*);
 typedef struct direct*	(*LPDirRead)(struct IPerlDir*, DIR*);
 typedef void		(*LPDirRewind)(struct IPerlDir*, DIR*);
 typedef void		(*LPDirSeek)(struct IPerlDir*, DIR*, long);
diff --git a/win32/include/dirent.h b/win32/include/dirent.h
index a66901234f..5037825425 100644
--- a/win32/include/dirent.h
+++ b/win32/include/dirent.h
@@ -42,7 +42,7 @@ typedef struct _dir_struc
 } DIR;
 
 #if 0		/* these have moved to win32iop.h */
-DIR *		win32_opendir(char *filename);
+DIR *		win32_opendir(const char *filename);
 struct direct *	win32_readdir(DIR *dirp);
 long		win32_telldir(DIR *dirp);
 void		win32_seekdir(DIR *dirp,long loc);
diff --git a/win32/perlhost.h b/win32/perlhost.h
index 3b6d11d99e..e7963cc117 100644
--- a/win32/perlhost.h
+++ b/win32/perlhost.h
@@ -1136,7 +1136,7 @@ PerlDirClose(struct IPerlDir* piPerl, DIR *dirp)
 }
 
 DIR*
-PerlDirOpen(struct IPerlDir* piPerl, char *filename)
+PerlDirOpen(struct IPerlDir* piPerl, const char *filename)
 {
     return win32_opendir(filename);
 }
diff --git a/win32/win32.c b/win32/win32.c
index d570264cf5..ab653c4d59 100644
--- a/win32/win32.c
+++ b/win32/win32.c
@@ -732,7 +732,7 @@ Perl_do_exec(pTHX_ char *cmd)
  * return the pointer to the current file name.
  */
 DllExport DIR *
-win32_opendir(char *filename)
+win32_opendir(const char *filename)
 {
     dTHX;
     DIR			*dirp;
diff --git a/win32/win32iop.h b/win32/win32iop.h
index 1683e97e54..c0937f173a 100644
--- a/win32/win32iop.h
+++ b/win32/win32iop.h
@@ -117,7 +117,7 @@ DllExport  int		win32_open_osfhandle(intptr_t handle, int flags);
 DllExport  intptr_t	win32_get_osfhandle(int fd);
 DllExport  FILE*	win32_fdupopen(FILE *pf);
 
-DllExport  DIR*		win32_opendir(char *filename);
+DllExport  DIR*		win32_opendir(const char *filename);
 DllExport  struct direct*	win32_readdir(DIR *dirp);
 DllExport  long		win32_telldir(DIR *dirp);
 DllExport  void		win32_seekdir(DIR *dirp, long loc);
diff --git a/wince/perlhost.h b/wince/perlhost.h
index 9e93b571e2..a71f108e7a 100644
--- a/wince/perlhost.h
+++ b/wince/perlhost.h
@@ -1144,7 +1144,7 @@ PerlDirClose(struct IPerlDir* piPerl, DIR *dirp)
 }
 
 DIR*
-PerlDirOpen(struct IPerlDir* piPerl, char *filename)
+PerlDirOpen(struct IPerlDir* piPerl, const char *filename)
 {
     return win32_opendir(filename);
 }
diff --git a/wince/wince.c b/wince/wince.c
index 40b578e755..c73c4b82a4 100644
--- a/wince/wince.c
+++ b/wince/wince.c
@@ -643,7 +643,7 @@ Perl_do_exec(pTHX_ char *cmd)
  * return the pointer to the current file name.
  */
 DllExport DIR *
-win32_opendir(char *filename)
+win32_opendir(const char *filename)
 {
     dTHX;
     DIR			*dirp;
@@ -822,7 +822,7 @@ win32_closedir(DIR *dirp)
 /////!!!!!!!!!!! return here and do right stuff!!!!
 
 DllExport DIR *
-win32_opendir(char *filename)
+win32_opendir(const char *filename)
 {
   return opendir(filename);
 }