X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=src%2Fcoloredstderr.c;h=064383ea545c90697fbc1f849ba301cc5799c494;hb=733e149c1a48f5fcb5c90579c67af57f9df982ef;hp=e6f1f6aab30999a2ecb55b017dfe4ae171658e95;hpb=73a6c78e7bec467ac73a70f00c03e72ab47665bb;p=coloredstderr%2Fcoloredstderr.git

diff --git a/src/coloredstderr.c b/src/coloredstderr.c
index e6f1f6a..064383e 100644
--- a/src/coloredstderr.c
+++ b/src/coloredstderr.c
@@ -2,7 +2,7 @@
  * Hook output functions (like printf(3)) with LD_PRELOAD to color stderr (or
  * other file descriptors).
  *
- * Copyright (C) 2013  Simon Ruderich
+ * Copyright (C) 2013-2014  Simon Ruderich
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -30,6 +30,10 @@
 # define NDEBUG
 #endif
 
+#ifndef TLS
+# define TLS
+#endif
+
 #include <assert.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -85,8 +89,8 @@ static int used_fds_set_by_user;
  * If so don't print the pre/post string for the recursive calls. This is
  * necessary on some systems (e.g. FreeBSD 9.1) which call multiple hooked
  * functions while printing a string (e.g. a FILE * and a fd hook function is
- * called). */
-static int handle_recursive;
+ * called). This is not thread-safe if TLS is not available. */
+static TLS int handle_recursive;
 
 
 #include "constants.h"
@@ -322,7 +326,7 @@ HOOK_FILE2(int, __overflow, f, _IO_FILE *, f, int, ch)
 /* Same for FreeBSD's libc. However it's more aggressive: The inline writing
  * and __swbuf() are also used for normal output (e.g. putc()). Writing to
  * stderr is still fine; it always calls __swbuf() as stderr is always
- * unbufferd. */
+ * unbuffered. */
 #ifdef HAVE___SWBUF
 HOOK_FILE2(int, __swbuf, f, int, c, FILE *, f)
 #endif
@@ -371,7 +375,7 @@ static void error_vararg(int status, int errnum,
     if (error_one_per_line
             && filename != NULL && linenum != 0
             && filename == last_filename && linenum == last_linenum) {
-        return;
+        goto out;
     }
     last_filename = filename;
     last_linenum  = linenum;
@@ -404,6 +408,7 @@ static void error_vararg(int status, int errnum,
 
     fprintf(stderr, "\n");
 
+out:
     if (status != 0) {
         exit(status);
     }