X-Git-Url: https://git.cworth.org/git?p=tar;a=blobdiff_plain;f=gnu%2Fsetenv.c;fp=gnu%2Fsetenv.c;h=a1c1df84ede23f97308efeca13b4f5d094a78c73;hp=d4670e5c99e8f1dffad18acc12acff60cf339833;hb=b414e25de8ca49d7567a92c203d431383ec57c83;hpb=29ece34f44a27750bbfd76154ad9882580453dc7

diff --git a/gnu/setenv.c b/gnu/setenv.c
index d4670e5..a1c1df8 100644
--- a/gnu/setenv.c
+++ b/gnu/setenv.c
@@ -66,6 +66,10 @@ __libc_lock_define_initialized (static, envlock)
 # define clearenv __clearenv
 # define tfind __tfind
 # define tsearch __tsearch
+#else
+/* Use the system functions, not the gnulib overrides in this file.  */
+# undef malloc
+# undef realloc
 #endif
 
 /* In the GNU C library implementation we try to be more clever and
@@ -114,8 +118,8 @@ int
 __add_to_environ (const char *name, const char *value, const char *combined,
                   int replace)
 {
-  register char **ep;
-  register size_t size;
+  char **ep;
+  size_t size;
   const size_t namelen = strlen (name);
   const size_t vallen = value != NULL ? strlen (value) + 1 : 0;
 
@@ -149,6 +153,9 @@ __add_to_environ (const char *name, const char *value, const char *combined,
                    : realloc (last_environ, (size + 2) * sizeof (char *)));
       if (new_environ == NULL)
         {
+          /* It's easier to set errno to ENOMEM than to rely on the
+             'malloc-posix' and 'realloc-posix' gnulib modules.  */
+          __set_errno (ENOMEM);
           UNLOCK;
           return -1;
         }
@@ -251,7 +258,7 @@ __add_to_environ (const char *name, const char *value, const char *combined,
           if (np == NULL)
 #endif
             {
-              np = malloc (namelen + 1 + vallen);
+              np = (char *) malloc (namelen + 1 + vallen);
               if (np == NULL)
                 {
 #if defined USE_TSEARCH && !defined _LIBC