[Xen-devel] [PATCH] ioemu: use asprintf instead of PATH_MAX

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>]

Use asprintf instead of PATH_MAX, which POSIX says to be facultative.

Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>

diff -r c364f80eb4b5 tools/ioemu/target-i386-dm/helper2.c
--- a/tools/ioemu/target-i386-dm/helper2.c      Wed Jan 23 13:27:21 2008 +0000
+++ b/tools/ioemu/target-i386-dm/helper2.c      Wed Jan 23 17:18:56 2008 +0000
@@ -635,7 +635,7 @@
     extern int suspend_requested;
     CPUState *env = cpu_single_env;
     int evtchn_fd = xce_handle == -1 ? -1 : xc_evtchn_fd(xce_handle);
-    char qemu_file[PATH_MAX];
+    char *qemu_file;
     fd_set fds;
     int ret = 0;
 
@@ -665,9 +665,9 @@
         main_loop_wait(1); /* For the select() on events */
 
         /* Save the device state */
-        snprintf(qemu_file, sizeof(qemu_file), 
-                 "/var/lib/xen/qemu-save.%d", domid);
+        asprintf(&qemu_file, "/var/lib/xen/qemu-save.%d", domid);
         do_savevm(qemu_file);
+        free(qemu_file);
 
         xenstore_record_dm_state("paused");
 

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