[v2,05/14] fsx: fix compile warnings

Commit Message

Amir Goldstein Aug. 30, 2017, 2:51 p.m. UTC

Signed-off-by: Amir Goldstein <[e-mail]>
---
 ltp/fsx.c | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

Patch

diff --git a/ltp/fsx.c b/ltp/fsx.c
index 1502905..e789aad 100644
--- a/ltp/fsx.c
+++ b/ltp/fsx.c
@@ -211,9 +211,9 @@  prt(const char *fmt, ...)
 	va_start(args, fmt);
 	vsnprintf(buffer, BUF_SIZE, fmt, args);
 	va_end(args);
-	fprintf(stdout, buffer);
+	fputs(buffer, stdout);
 	if (fsxlogf)
-		fprintf(fsxlogf, buffer);
+		fputs(buffer, fsxlogf);
 }
 
 void
@@ -569,14 +569,20 @@  check_trunc_hack(void)
 {
 	struct stat statbuf;
 
-	ftruncate(fd, (off_t)0);
-	ftruncate(fd, (off_t)100000);
+	if (ftruncate(fd, (off_t)0))
+		goto ftruncate_err;
+	if (ftruncate(fd, (off_t)100000))
+		goto ftruncate_err;
 	fstat(fd, &statbuf);
 	if (statbuf.st_size != (off_t)100000) {
 		prt("no extend on truncate! not posix!\n");
 		exit(130);
 	}
-	ftruncate(fd, 0);
+	if (ftruncate(fd, 0)) {
+ftruncate_err:
+		prterr("check_trunc_hack: ftruncate");
+		exit(131);
+	}
 }
 
 void
@@ -1742,7 +1748,10 @@  __test_fallocate(int mode, const char *mode_str)
 					mode_str);
 		} else {
 			ret = 1;
-			ftruncate(fd, 0);
+			if (ftruncate(fd, 0)) {
+				warn("main: ftruncate");
+				exit(132);
+			}
 		}
 	}
 	return ret;