better error messages when xsubpp fails to find map for a particular

[p5sagit/p5-mst-13.2.git] / doio.c

diff --git a/doio.c b/doio.c
index cb5f3e2..d0a7704 100644 (file)
--- a/doio.c
+++ b/doio.c
@@ -41,12 +41,6 @@
 #  endif
 #endif
 
-#ifdef I_FCNTL
-#include <fcntl.h>
-#endif
-#ifdef I_SYS_FILE
-#include <sys/file.h>
-#endif
 #ifdef O_EXCL
 #  define OPEN_EXCL O_EXCL
 #else
@@ -77,15 +71,6 @@
 # endif
 #endif
 
-/* Put this after #includes because <unistd.h> defines _XOPEN_*. */
-#ifndef Sock_size_t
-#  if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
-#    define Sock_size_t Size_t
-#  else
-#    define Sock_size_t int
-#  endif
-#endif
-
 bool
 Perl_do_open(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
             int rawmode, int rawperm, PerlIO *supplied_fp)
@@ -1864,6 +1849,9 @@ Perl_do_shmio(pTHX_ I32 optype, SV **mark, SV **sp)
     if (shm == (char *)-1)     /* I hate System V IPC, I really do */
        return -1;
     if (optype == OP_SHMREAD) {
+       /* suppress warning when reading into undef var (tchrist 3/Mar/00) */
+       if (! SvOK(mstr))
+           sv_setpvn(mstr, "", 0);
        SvPV_force(mstr, len);
        mbuf = SvGROW(mstr, msize+1);