#include <netinet/in.h>
#include "c-ctype.h"
+#include "ignore-value.h"
#include "glthread/lock.h"
#include "guestfs.h"
static int connect_unix_socket (guestfs_h *g, const char *sock);
static int qemu_supports (guestfs_h *g, const char *option);
+#if 0
+static int qemu_supports_re (guestfs_h *g, const pcre *option_regex);
+
+static void compile_regexps (void) __attribute__((constructor));
+static void free_regexps (void) __attribute__((destructor));
+
+static void
+compile_regexps (void)
+{
+ const char *err;
+ int offset;
+
+#define COMPILE(re,pattern,options) \
+ do { \
+ re = pcre_compile ((pattern), (options), &err, &offset, NULL); \
+ if (re == NULL) { \
+ ignore_value (write (2, err, strlen (err))); \
+ abort (); \
+ } \
+ } while (0)
+}
+
+static void
+free_regexps (void)
+{
+}
+#endif
+
/* Add a string to the current command line. */
static void
incr_cmdline_size (guestfs_h *g)
guestfs___print_timestamped_argv (g, (const char **)g->cmdline);
if (!g->direct) {
- /* Set up stdin, stdout. */
+ /* Set up stdin, stdout, stderr. */
close (0);
close (1);
close (wfd[1]);
close (rfd[0]);
+ /* Stdin. */
if (dup (wfd[0]) == -1) {
dup_failed:
perror ("dup failed");
_exit (EXIT_FAILURE);
}
+ /* Stdout. */
+ if (dup (rfd[1]) == -1)
+ goto dup_failed;
+
+ /* Particularly since qemu 0.15, qemu spews all sorts of debug
+ * information on stderr. It is useful to both capture this and
+ * not confuse casual users, so send stderr to the pipe as well.
+ */
+ close (2);
if (dup (rfd[1]) == -1)
goto dup_failed;
setpgid (0, 0);
/* Writing to argv is hideously complicated and error prone. See:
- * http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/misc/ps_status.c?rev=1.33.2.1;content-type=text%2Fplain
+ * http://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/backend/utils/misc/ps_status.c;hb=HEAD
*/
/* Loop around waiting for one or both of the other processes to
return strstr (g->qemu_help, option) != NULL;
}
+#if 0
+/* As above but using a regex instead of a fixed string. */
+static int
+qemu_supports_re (guestfs_h *g, const pcre *option_regex)
+{
+ if (!g->qemu_help) {
+ if (test_qemu (g) == -1)
+ return -1;
+ }
+
+ return match (g, g->qemu_help, option_regex);
+}
+#endif
+
/* Check if a file can be opened. */
static int
is_openable (guestfs_h *g, const char *path, int flags)