Initial Alpine Version

1 files changed, 68 insertions, 0 deletions

diff --git a/pico/osdep/popen.c b/pico/osdep/popen.c
new file mode 100644
index 00000000..575929a6
--- /dev/null
+++ b/pico/osdep/popen.c
@@ -0,0 +1,68 @@
+#if !defined(lint) && !defined(DOS)
+static char rcsid[] = "$Id: popen.c 761 2007-10-23 22:35:18Z hubert@u.washington.edu $";
+#endif
+
+/*
+ * ========================================================================
+ * Copyright 2006 University of Washington
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * ========================================================================
+ */
+
+#include <system.h>
+#include <general.h>
+#include "../estruct.h"
+
+
+
+
+/*
+ * P_open - run the given command in a sub-shell returning a file pointer
+ *	    from which to read the output
+ *
+ * note:
+ *	For OS's other than unix, you will have to rewrite this function.
+ *	Hopefully it'll be easy to exec the command into a temporary file, 
+ *	and return a file pointer to that opened file or something.
+ */
+int
+P_open(char *s)
+{
+#if	HAVE_POPEN
+    extern FIOINFO g_pico_fio;
+
+    g_pico_fio.flags = FIOINFO_READ;
+    g_pico_fio.name = "pipe";
+
+    if((g_pico_fio.fp = popen(s, "r")) != NULL)
+      return(FIOSUC);
+
+    return(FIOERR);
+#else
+    /* Windows never did this, but piping has been done elsewhere */
+    return(0);
+#endif
+}
+
+
+
+/*
+ * P_close - close the given descriptor
+ *
+ */
+void
+P_close(void)
+{
+#if	HAVE_PCLOSE
+    extern FIOINFO g_pico_fio;
+
+    if(g_pico_fio.fp)
+      (void) pclose(g_pico_fio.fp);
+#endif
+}