[akhaldi] 63412: [CRT] * Update fputs(). CORE-8080

Author: akhaldi
Date: Thu May 22 16:13:44 2014
New Revision: 63412

URL: http://svn.reactos.org/svn/reactos?rev=63412&view=rev
Log:
[CRT]
* Update fputs().
CORE-8080

Modified:
    trunk/reactos/lib/sdk/crt/stdio/file.c

Modified: trunk/reactos/lib/sdk/crt/stdio/file.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/sdk/crt/stdio/file.c?re...
==============================================================================
--- trunk/reactos/lib/sdk/crt/stdio/file.c	[iso-8859-1] (original)
+++ trunk/reactos/lib/sdk/crt/stdio/file.c	[iso-8859-1] Thu May 22 16:13:44 2014
@@ -551,6 +551,29 @@
     file->_ptr = file->_base;
     file->_cnt = 0;
     return TRUE;
+}
+
+/* INTERNAL: Allocate temporary buffer for stdout and stderr */
+static BOOL add_std_buffer(FILE *file)
+{
+    static char buffers[2][BUFSIZ];
+
+    if((file->_file!=STDOUT_FILENO && file->_file!=STDERR_FILENO)
+            || !_isatty(file->_file) || file->_bufsiz)
+        return FALSE;
+
+    file->_ptr = file->_base = buffers[file->_file == STDOUT_FILENO ? 0 : 1];
+    file->_bufsiz = file->_cnt = BUFSIZ;
+    return TRUE;
+}
+
+/* INTERNAL: Removes temporary buffer from stdout or stderr */
+/* Only call this function when add_std_buffer returned TRUE */
+static void remove_std_buffer(FILE *file)
+{
+    flush_buffer(file);
+    file->_ptr = file->_base = NULL;
+    file->_bufsiz = file->_cnt = 0;
 }

/* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
@@ -3427,23 +3450,13 @@
  */
 int CDECL fputs(const char *s, FILE* file)
 {
-    size_t i, len = strlen(s);
+    size_t len = strlen(s);
     int ret;

_lock_file(file);
-    if (!(get_ioinfo(file->_file)->wxflag & WX_TEXT)) {
-      ret = fwrite(s,sizeof(*s),len,file) == len ? 0 : EOF;
-      _unlock_file(file);
-      return ret;
-    }
-    for (i=0; i<len; i++)
-      if (fputc(s[i], file) == EOF)  {
-        _unlock_file(file);
-        return EOF;
-      }
-
+    ret = fwrite(s, sizeof(*s), len, file) == len ? 0 : EOF;
     _unlock_file(file);
-    return 0;
+    return ret;
 }

/*********************************************************************
@@ -3452,6 +3465,7 @@
 int CDECL fputws(const wchar_t *s, FILE* file)
 {
     size_t i, len = strlenW(s);
+    BOOL tmp_buf;
     int ret;

_lock_file(file);
@@ -3460,14 +3474,17 @@
         _unlock_file(file);
         return ret;
     }
+
+    tmp_buf = add_std_buffer(file);
     for (i=0; i<len; i++) {
-        if (((s[i] == '\n') && (fputc('\r', file) == EOF))
-                || fputwc(s[i], file) == WEOF) {
+        if(fputwc(s[i], file) == WEOF) {
+            if(tmp_buf) remove_std_buffer(file);
             _unlock_file(file);
             return WEOF;
         }
     }

+    if(tmp_buf) remove_std_buffer(file);
     _unlock_file(file);
     return 0;
 }