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From abd0274e6b2f708e9eaa29414b07b3f542cec694 Mon Sep 17 00:00:00 2001
From: Kamil Dudka <kdudka@redhat.com>
Date: Tue, 15 Oct 2013 19:48:41 -0400
Subject: [PATCH] fix file descriptor leaks reported by cppcheck
Bug: https://bugzilla.redhat.com/785760
---
lib/append.c | 14 +++++++++-----
lib/extract.c | 4 ++++
libtar/libtar.c | 3 +++
3 files changed, 16 insertions(+), 5 deletions(-)
diff --git a/lib/append.c b/lib/append.c
index e8bd89d..ff58532 100644
--- a/lib/append.c
+++ b/lib/append.c
@@ -216,6 +216,7 @@ tar_append_regfile(TAR *t, const char *realname)
int filefd;
int i, j;
size_t size;
+ int rv = -1;
filefd = open(realname, O_RDONLY);
if (filefd == -1)
@@ -234,25 +235,28 @@ tar_append_regfile(TAR *t, const char *realname)
{
if (j != -1)
errno = EINVAL;
- return -1;
+ goto fail;
}
if (tar_block_write(t, &block) == -1)
- return -1;
+ goto fail;
}
if (i > 0)
{
j = read(filefd, &block, i);
if (j == -1)
- return -1;
+ goto fail;
memset(&(block[i]), 0, T_BLOCKSIZE - i);
if (tar_block_write(t, &block) == -1)
- return -1;
+ goto fail;
}
+ /* success! */
+ rv = 0;
+fail:
close(filefd);
- return 0;
+ return rv;
}
diff --git a/lib/extract.c b/lib/extract.c
index 36357e7..9fc6ad5 100644
--- a/lib/extract.c
+++ b/lib/extract.c
@@ -228,13 +228,17 @@ tar_extract_regfile(TAR *t, char *realname)
{
if (k != -1)
errno = EINVAL;
+ close(fdout);
return -1;
}
/* write block to output file */
if (write(fdout, buf,
((i > T_BLOCKSIZE) ? T_BLOCKSIZE : i)) == -1)
+ {
+ close(fdout);
return -1;
+ }
}
/* close output file */
diff --git a/libtar/libtar.c b/libtar/libtar.c
index 9fa92b2..bb5644c 100644
--- a/libtar/libtar.c
+++ b/libtar/libtar.c
@@ -83,7 +83,10 @@ gzopen_frontend(char *pathname, int oflags, int mode)
return -1;
if ((oflags & O_CREAT) && fchmod(fd, mode))
+ {
+ close(fd);
return -1;
+ }
gzf = gzdopen(fd, gzoflags);
if (!gzf)
--
2.10.5.GIT
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