From: Karel Zak <kzak@redhat.com>
Date: Wed, 12 Aug 2020 17:36:51 +0000 (+0200)
Subject: libfdisk: (script) make sure buffer is initialized
X-Git-Tag: v2.37-rc1~520
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4bdb681571d5f510ab2abff8630b802148aaf646;p=thirdparty%2Futil-linux.git

libfdisk: (script) make sure buffer is initialized

Just to make static analyzers happy.

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/libfdisk/src/script.c b/libfdisk/src/script.c
index 2a3d1b818b..81d4259452 100644
--- a/libfdisk/src/script.c
+++ b/libfdisk/src/script.c
@@ -1329,11 +1329,13 @@ int fdisk_script_read_line(struct fdisk_script *dp, FILE *f, char *buf, size_t b
 
 	assert(dp);
 	assert(f);
+	assert(bufsz);
 
 	DBG(SCRIPT, ul_debugobj(dp, " parsing line %zu", dp->nlines));
 
 	/* read the next non-blank non-comment line */
 	do {
+		buf[0] = '\0';
 		if (dp->fn_fgets) {
 			if (dp->fn_fgets(dp, buf, bufsz, f) == NULL)
 				return 1;
@@ -1376,7 +1378,7 @@ int fdisk_script_read_line(struct fdisk_script *dp, FILE *f, char *buf, size_t b
  */
 int fdisk_script_read_file(struct fdisk_script *dp, FILE *f)
 {
-	char buf[BUFSIZ];
+	char buf[BUFSIZ] = { '\0' };
 	int rc = 1;
 
 	assert(dp);
@@ -1624,7 +1626,7 @@ static int test_read(struct fdisk_test *ts, int argc, char *argv[])
 
 static int test_stdin(struct fdisk_test *ts, int argc, char *argv[])
 {
-	char buf[BUFSIZ];
+	char buf[BUFSIZ] = { '\0' };
 	struct fdisk_script *dp;
 	struct fdisk_context *cxt;
 	int rc = 0;