Eliminate FP exceptions under SCO 5

[perl5.git] / perlio.c

diff --git a/perlio.c b/perlio.c
index 9c74dd0..85b036c 100644 (file)
--- a/perlio.c
+++ b/perlio.c
@@ -145,7 +145,7 @@ PerlIO_set_cnt(f,cnt)
 PerlIO *f;
 int cnt;
 {
- if (cnt < 0)
+ if (cnt < -1)
   warn("Setting cnt to %d\n",cnt);
 #if defined(USE_STDIO_PTR) && defined(STDIO_CNT_LVALUE)
  FILE_cnt(f) = cnt;
@@ -158,19 +158,19 @@ int cnt;
 void
 PerlIO_set_ptrcnt(f,ptr,cnt)
 PerlIO *f;
-char *ptr;
+STDCHAR *ptr;
 int cnt;
 {
 #ifdef FILE_bufsiz
- char *e = (char *)(FILE_base(f) + FILE_bufsiz(f));
- int ec  = e - ptr;
- if (ptr > e)
-  warn("Setting ptr %p > base %p\n",ptr, FILE_base(f)+FILE_bufsiz(f));
+ STDCHAR *e = FILE_base(f) + FILE_bufsiz(f);
+ int ec = e - ptr;
+ if (ptr > e + 1)
+  warn("Setting ptr %p > end+1 %p\n", ptr, e + 1);
  if (cnt != ec)
   warn("Setting cnt to %d, ptr implies %d\n",cnt,ec);
 #endif
 #if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE)
- FILE_ptr(f) = (STDCHAR *) ptr;
+ FILE_ptr(f) = ptr;
 #else
  croak("Cannot set 'ptr' of FILE * on this system");
 #endif
@@ -208,12 +208,12 @@ PerlIO *f;
 }
 
 #undef PerlIO_get_ptr
-char *
+STDCHAR *
 PerlIO_get_ptr(f)
 PerlIO *f;
 {
 #ifdef FILE_ptr
- return (char *) FILE_ptr(f);
+ return FILE_ptr(f);
 #else
  croak("Cannot get 'ptr' of FILE * on this system");
  return NULL;
@@ -221,12 +221,12 @@ PerlIO *f;
 }
 
 #undef PerlIO_get_base
-char *
+STDCHAR *
 PerlIO_get_base(f)
 PerlIO *f;
 {
 #ifdef FILE_base
- return (char *) FILE_base(f);
+ return FILE_base(f);
 #else
  croak("Cannot get 'base' of FILE * on this system");
  return NULL;
@@ -272,6 +272,15 @@ const char *mode;
  return fdopen(fd,mode);
 }
 
+#undef PerlIO_reopen
+PerlIO * 
+PerlIO_reopen(name, mode, f)
+const char *name;
+const char *mode;
+PerlIO *f;
+{
+ return freopen(name,mode,f);
+}
 
 #undef PerlIO_close
 int      
@@ -289,6 +298,19 @@ PerlIO *f;
  return feof(f);
 }
 
+#undef PerlIO_getname
+char *
+PerlIO_getname(f,buf)
+PerlIO *f;
+char *buf;
+{
+#ifdef VMS
+ return fgetname(f,buf);
+#else
+ croak("Don't know how to get file name");
+#endif
+}
+
 #undef PerlIO_getc
 int      
 PerlIO_getc(f)
@@ -584,7 +606,7 @@ va_list ap;
  int val = vsprintf(s, fmt, ap);
  if (n >= 0)
   {
-   if (strlen(s) >= n)
+   if (strlen(s) >= (STRLEN)n)
     {
      PerlIO_puts(PerlIO_stderr(),"panic: sprintf overflow - memory corrupted!\n");
      my_exit(1);