Move notify.c into portability.c (collate the #ifdefs), move global variables

into a structure passed as arguments, add x prefix to functions that can fail,
add overflow test.

1 files changed, 9 insertions, 3 deletions

diff --git a/lib/portability.h b/lib/portability.h
index f4a2b327..f5f8352a 100644
--- a/lib/portability.h
+++ b/lib/portability.h
@@ -309,6 +309,12 @@ static inline void confstr(int a, char *b, int c) {strcpy(b, a ? "POSIXLY_CORREC
 #endif
 
 // Paper over the differences between BSD kqueue and Linux inotify for tail.
-void notify_init(int max);
-int notify_add(int fd, char *path);
-int notify_wait(char **path);
+
+struct xnotify {
+  char **paths;
+  int max, *fds, count, kq;
+};
+
+struct xnotify *xnotify_init(int max);
+int xnotify_add(struct xnotify *not, int fd, char *path);
+int xnotify_wait(struct xnotify *not, char **path);