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Be more careful when checking for empty files
[elogind.git]
/
src
/
shared
/
util.c
diff --git
a/src/shared/util.c
b/src/shared/util.c
index 75dc58b63db2edeceab89b3c279a53924a2094de..4fda31c83832de5cd34efd99800e0da0f35dbeaf 100644
(file)
--- a/
src/shared/util.c
+++ b/
src/shared/util.c
@@
-3604,6
+3604,17
@@
int null_or_empty_path(const char *fn) {
return null_or_empty(&st);
}
return null_or_empty(&st);
}
+int null_or_empty_fd(int fd) {
+ struct stat st;
+
+ assert(fd >= 0);
+
+ if (fstat(fd, &st) < 0)
+ return -errno;
+
+ return null_or_empty(&st);
+}
+
DIR *xopendirat(int fd, const char *name, int flags) {
int nfd;
DIR *d;
DIR *xopendirat(int fd, const char *name, int flags) {
int nfd;
DIR *d;