X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=src%2Fcoloredstderr.c;h=cc588836817b4dfaad26713b7a3b24f77c145cff;hb=04ac66863a96d0c80bd00cc02bc3ab1e6aa8a620;hp=eae164dd93d168856440fbfbf09209cdd94eb60b;hpb=7c2d726cd4c2716e9c211b5a5ab5d7713e1dfc5e;p=coloredstderr%2Fcoloredstderr.git

diff --git a/src/coloredstderr.c b/src/coloredstderr.c
index eae164d..cc58883 100644
--- a/src/coloredstderr.c
+++ b/src/coloredstderr.c
@@ -38,6 +38,11 @@
 
 /* Conflicting declaration in glibc. */
 #undef fwrite_unlocked
+/* These functions may be macros when compiling with hardening flags (fortify)
+ * which cause build failures when used in our hook macros below. Observed
+ * with Clang on Debian Wheezy. */
+#undef printf
+#undef fprintf
 
 
 /* Used by various functions, including debug(). */
@@ -530,9 +535,19 @@ int execv(char const *path, char * const argv[]) {
 }
 
 static int (*real_execvp)(char const *path, char * const argv[]);
-int execvp(char const *path, char * const argv[]) {
+int execvp(char const *file, char * const argv[]) {
     DLSYM_FUNCTION(real_execvp, "execvp");
 
     update_environment();
-    return real_execvp(path, argv);
+    return real_execvp(file, argv);
 }
+
+#ifdef HAVE_EXECVPE
+extern char **environ;
+int execvpe(char const *file, char * const argv[], char * const envp[]) {
+    /* Fake the environment so we can reuse execvp(). */
+    environ = (char **)envp;
+
+    return execvp(file, argv);
+}
+#endif