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118 lines
2.5 KiB
118 lines
2.5 KiB
6 years ago
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From f3c711cf3054ff366a1a3500cdc8c64ecc2d2da6 Mon Sep 17 00:00:00 2001
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From: Huzaifa Sidhpurwala <huzaifas@fedoraproject.org>
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Date: Tue, 15 Oct 2013 20:05:04 -0400
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Subject: [PATCH] fix memleaks in libtar sample program
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---
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libtar/libtar.c | 29 ++++++++++++++++++-----------
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1 file changed, 18 insertions(+), 11 deletions(-)
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diff --git a/libtar/libtar.c b/libtar/libtar.c
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index bb5644c..23f8741 100644
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--- a/libtar/libtar.c
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+++ b/libtar/libtar.c
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@@ -253,6 +253,7 @@ extract(char *tarfile, char *rootdir)
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if (tar_extract_all(t, rootdir) != 0)
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{
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fprintf(stderr, "tar_extract_all(): %s\n", strerror(errno));
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+ tar_close(t);
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return -1;
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}
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@@ -270,12 +271,13 @@ extract(char *tarfile, char *rootdir)
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void
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-usage()
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+usage(void *rootdir)
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{
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printf("Usage: %s [-C rootdir] [-g] [-z] -x|-t filename.tar\n",
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progname);
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printf(" %s [-C rootdir] [-g] [-z] -c filename.tar ...\n",
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progname);
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+ free(rootdir);
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exit(-1);
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}
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@@ -292,6 +294,7 @@ main(int argc, char *argv[])
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int c;
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int mode = 0;
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libtar_list_t *l;
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+ int return_code = -2;
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progname = basename(argv[0]);
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@@ -313,17 +316,17 @@ main(int argc, char *argv[])
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break;
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case 'c':
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if (mode)
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- usage();
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+ usage(rootdir);
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mode = MODE_CREATE;
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break;
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case 'x':
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if (mode)
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- usage();
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+ usage(rootdir);
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mode = MODE_EXTRACT;
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break;
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case 't':
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if (mode)
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- usage();
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+ usage(rootdir);
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mode = MODE_LIST;
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break;
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#ifdef HAVE_LIBZ
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@@ -332,7 +335,7 @@ main(int argc, char *argv[])
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break;
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#endif /* HAVE_LIBZ */
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default:
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- usage();
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+ usage(rootdir);
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}
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if (!mode || ((argc - optind) < (mode == MODE_CREATE ? 2 : 1)))
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@@ -341,7 +344,7 @@ main(int argc, char *argv[])
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printf("argc - optind == %d\tmode == %d\n", argc - optind,
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mode);
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#endif
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- usage();
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+ usage(rootdir);
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}
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#ifdef DEBUG
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@@ -351,21 +354,25 @@ main(int argc, char *argv[])
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switch (mode)
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{
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case MODE_EXTRACT:
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- return extract(argv[optind], rootdir);
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+ return_code = extract(argv[optind], rootdir);
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+ break;
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case MODE_CREATE:
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tarfile = argv[optind];
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l = libtar_list_new(LIST_QUEUE, NULL);
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for (c = optind + 1; c < argc; c++)
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libtar_list_add(l, argv[c]);
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- return create(tarfile, rootdir, l);
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+ return_code = create(tarfile, rootdir, l);
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+ libtar_list_free(l, NULL);
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+ break;
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case MODE_LIST:
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- return list(argv[optind]);
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+ return_code = list(argv[optind]);
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+ break;
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default:
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break;
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}
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- /* NOTREACHED */
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- return -2;
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+ free(rootdir);
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+ return return_code;
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}
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--
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2.10.5.GIT
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