move call to dynamic linker stage-3 into stage-2 function

[musl] / src / process / fexecve.c

diff --git a/src/process/fexecve.c b/src/process/fexecve.c
index 3098645..6507b42 100644 (file)
--- a/src/process/fexecve.c
+++ b/src/process/fexecve.c
@@ -1,10 +1,13 @@
 #include <unistd.h>
-#include <stdio.h>
+#include <errno.h>
+
+void __procfdname(char *, unsigned);
 
 int fexecve(int fd, char *const argv[], char *const envp[])
 {
-       static const char proc[] = "/proc/self/fd/%d";
-       char buf[sizeof proc + 3*sizeof(int)];
-       snprintf(buf, sizeof buf, proc, fd);
-       return execve(buf, argv, envp);
+       char buf[15 + 3*sizeof(int)];
+       __procfdname(buf, fd);
+       execve(buf, argv, envp);
+       if (errno == ENOENT) errno = EBADF;
+       return -1;
 }