Fixed the following problems in the perror function:

- putc is not declared -> replaced by fputc
- puts was used to output the user message which automatically
  introduced an unwanted newline between user message and error
  description -> replaced by fputs which does not add the newline

Signed-off-by: Michael Riss <Michael.Riss@gmx.de>

1 files changed, 5 insertions, 4 deletions

diff --git a/src/library.js b/src/library.js
index 38399632..83e1b115 100644
--- a/src/library.js
+++ b/src/library.js
@@ -3363,14 +3363,15 @@ LibraryManager.library = {
     ___setErrNo(ERRNO_CODES.ECHILD);
     return -1;
   },
-  perror__deps: ['puts', 'putc', 'strerror', '__errno_location'],
+  perror__deps: ['puts', 'fputs', 'fputc', 'strerror', '__errno_location'],
   perror: function(s) {
     // void perror(const char *s);
     // http://pubs.opengroup.org/onlinepubs/000095399/functions/perror.html
+    var stdout = {{{ makeGetValue(makeGlobalUse('_stdout'), '0', 'void*') }}};
     if (s) {
-      _puts(s);
-      _putc(':'.charCodeAt(0));
-      _putc(' '.charCodeAt(0));
+      _fputs(s, stdout);
+      _fputc(':'.charCodeAt(0), stdout);
+      _fputc(' '.charCodeAt(0), stdout);
     }
     var errnum = {{{ makeGetValue('___errno_location()', '0', 'i32') }}};
     _puts(_strerror(errnum));