* doc/c-arm.texi: Add new fpe options to list of supported flags.

[deliverable/binutils-gdb.git] / libiberty / setenv.c

diff --git a/libiberty/setenv.c b/libiberty/setenv.c
index a90c83ad78eea7465bd3a4f33e68aee51a0eab68..79e38ed56b0026902d7186f7e767023004d512e6 100644 (file)
--- a/libiberty/setenv.c
+++ b/libiberty/setenv.c
@@ -16,6 +16,22 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+
+/*
+
+@deftypefn Supplemental int setenv (const char *@var{name}, const char *@var{value}, int @var{overwrite})
+@deftypefnx Supplemental void unsetenv (const char *@var{name})
+
+@code{setenv} adds @var{name} to the environment with value
+@var{value}.  If the name was already present in the environment,
+the new value will be stored only if @var{overwrite} is nonzero.
+The companion @code{unsetenv} function removes @var{name} from the
+environment.  This implementation is not safe for multithreaded code.
+
+@end deftypefn
+
+*/
+
 #if HAVE_CONFIG_H
 # include <config.h>
 #endif
@@ -63,7 +79,7 @@ setenv (name, value, replace)
      const char *value;
      int replace;
 {
-  register char **ep;
+  register char **ep = 0;
   register size_t size;
   const size_t namelen = strlen (name);
   const size_t vallen = strlen (value) + 1;