xclose()

Add a helper to check for close errrors - especially bad file
descriptors, that can be a fun source of heisenbugs.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 2 insertions, 2 deletions

diff --git a/c_src/tools-util.c b/c_src/tools-util.c
index 8403bc8b..496c875c 100644
--- a/c_src/tools-util.c
+++ b/c_src/tools-util.c
@@ -107,7 +107,7 @@ void write_file_str(int dirfd, const char *path, const char *str)
 	wrote = write(fd, str, len);
 	if (wrote != len)
 		die("read error: %m");
-	close(fd);
+	xclose(fd);
 }
 
 char *read_file_str(int dirfd, const char *path)
@@ -129,7 +129,7 @@ char *read_file_str(int dirfd, const char *path)
 		buf = NULL;
 	}
 
-	close(fd);
+	xclose(fd);
 
 	return buf;
 }