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xenstore-watch: initialize token passed to xen

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Xen will read it till the terminating NUL.

Plus return 0 on exit and define main as returning int.
This commit is contained in:
Vincent Penquerc'h 2013-12-30 09:25:57 -05:00 committed by Marek Marczykowski-Górecki
parent 2924a3436f
commit cdbfa0b7eb
1 changed files with 3 additions and 2 deletions
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5
dispvm/xenstore-watch.c
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@ -2,12 +2,12 @@
#include <xs.h> #include <xs.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
main(int argc, char **argv) int main(int argc, char **argv)
{ {
struct xs_handle *xs; struct xs_handle *xs;
unsigned int count; unsigned int count;
char **vec; char **vec;
char dummy; char dummy = 0;
if (argc != 2) { if (argc != 2) {
fprintf(stderr, "usage: %s xenstore_path\n", argv[0]); fprintf(stderr, "usage: %s xenstore_path\n", argv[0]);
exit(1); exit(1);
@ -25,4 +25,5 @@ main(int argc, char **argv)
free(vec); free(vec);
vec = xs_read_watch(xs, &count); vec = xs_read_watch(xs, &count);
free(vec); free(vec);
return 0;
} }