1 files changed, 32 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/libugly/popen.c b/mdk-stage1/dietlibc/libugly/popen.c
new file mode 100644
index 000000000..e0e441495
--- /dev/null
+++ b/mdk-stage1/dietlibc/libugly/popen.c
@@ -0,0 +1,32 @@
+#include "dietstdio.h"
+#include <unistd.h>
+
+extern char **environ;
+
+FILE *popen(const char *command, const char *type) {
+  int pfd[2];
+  int fd0;
+  pid_t pid;
+  if (pipe(pfd)<0) return 0;
+  fd0=(*type=='r');
+  if ((pid=vfork())<0) {
+    close(pfd[0]);
+    close(pfd[1]);
+    return 0;
+  }
+  if (!pid) {	/* child */
+    char *argv[]={"sh","-c",0,0};
+    close(pfd[!fd0]); close(fd0);
+    dup2(pfd[fd0],fd0); close(pfd[fd0]);
+    argv[2]=(char*)command;
+    execve("/bin/sh",argv,environ);
+    _exit(255);
+  }
+  close(pfd[fd0]);
+  {
+    register FILE* f;
+    if ((f=fdopen(pfd[!fd0],type)))
+      f->popen_kludge=pid;
+    return f;
+  }
+}