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[Qemu-devel] [PATCH 06/15] block/vvfat.c: fix warnings with _FORTIFY_SOU
From: |
Kirill A. Shutemov |
Subject: |
[Qemu-devel] [PATCH 06/15] block/vvfat.c: fix warnings with _FORTIFY_SOURCE |
Date: |
Sat, 2 Jan 2010 05:45:24 +0200 |
CC block/vvfat.o
cc1: warnings being treated as errors
block/vvfat.c: In function 'commit_one_file':
block/vvfat.c:2259: error: ignoring return value of 'ftruncate', declared with
attribute warn_unused_result
make: *** [block/vvfat.o] Error 1
CC block/vvfat.o
In file included from /usr/include/stdio.h:912,
from ./qemu-common.h:19,
from block/vvfat.c:27:
In function 'snprintf',
inlined from 'init_directories' at block/vvfat.c:871,
inlined from 'vvfat_open' at block/vvfat.c:1068:
/usr/include/bits/stdio2.h:65: error: call to __builtin___snprintf_chk will
always overflow destination buffer
make: *** [block/vvfat.o] Error 1
Signed-off-by: Kirill A. Shutemov <address@hidden>
---
block/vvfat.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/block/vvfat.c b/block/vvfat.c
index 063f731..8140dbc 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -868,7 +868,7 @@ static int init_directories(BDRVVVFATState* s,
{
direntry_t* entry=array_get_next(&(s->directory));
entry->attributes=0x28; /* archive | volume label */
- snprintf((char*)entry->name,11,"QEMU VVFAT");
+ memcpy(entry->name, "QEMU VVFAT", 11);
}
/* Now build FAT, and write back information into directory */
@@ -2256,7 +2256,10 @@ static int commit_one_file(BDRVVVFATState* s,
c = c1;
}
- ftruncate(fd, size);
+ if (ftruncate(fd, size)) {
+ perror("ftruncate()");
+ abort();
+ }
close(fd);
return commit_mappings(s, first_cluster, dir_index);
--
1.6.5.7
- [Qemu-devel] [PATCH 01/15] Introduce qemu_write_full(), Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 02/15] posix-aio-compat.c: fix warning with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 03/15] block/cow.c: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 04/15] block/qcow.c: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 05/15] block/vmdk.o: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 06/15] block/vvfat.c: fix warnings with _FORTIFY_SOURCE,
Kirill A. Shutemov <=
- [Qemu-devel] [PATCH 07/15] block/qcow2.c: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 08/15] net/slirp.c: fix warning with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 09/15] usb-linux.c: fix warning with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 10/15] vl.c: fix warning with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 11/15] monitor.c: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 12/15] linux-user/mmap.c: fix warnings with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 13/15] Enable _FORTIFY_SOURCE=2, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 14/15] Add -fstack-protector-all to CFLAGS, Kirill A. Shutemov, 2010/01/01
- [Qemu-devel] [PATCH 15/15] linux-user: fix return value of mmap_frag(), Kirill A. Shutemov, 2010/01/01
- Message not available
- [Qemu-devel] Re: [PATCH 09/15] usb-linux.c: fix warning with _FORTIFY_SOURCE, Kirill A. Shutemov, 2010/01/05