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| author | Felix Fietkau <nbd@openwrt.org> | 2008-09-23 16:12:40 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2008-09-23 16:12:40 +0000 |
| commit | 0524ab859029bcc02e642d6d9ba13cdf464bc499 (patch) | |
| tree | 09b12c533c55b8a667b08101a98477c33429186a /tools/firmware-utils/src/add_header.c | |
| parent | 35fb42beaaaddababe78fe1e97fa730a35aef423 (diff) | |
| download | master-187ad058-0524ab859029bcc02e642d6d9ba13cdf464bc499.tar.gz master-187ad058-0524ab859029bcc02e642d6d9ba13cdf464bc499.tar.bz2 master-187ad058-0524ab859029bcc02e642d6d9ba13cdf464bc499.zip | |
firmware-utils: when using open with O_CREAT and O_WRONLY, also use O_TRUNC to ensure that overwritten files have the right size (fixes #3505)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12667 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'tools/firmware-utils/src/add_header.c')
| -rw-r--r-- | tools/firmware-utils/src/add_header.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/firmware-utils/src/add_header.c b/tools/firmware-utils/src/add_header.c index 946068c392..37775c3e0c 100644 --- a/tools/firmware-utils/src/add_header.c +++ b/tools/firmware-utils/src/add_header.c @@ -122,7 +122,7 @@ int main(int argc, char **argv) memcpy(buf, &header, sizeof(header)); // write the buf - if ((fd = open(argv[3], O_CREAT|O_WRONLY,0644)) < 0 + if ((fd = open(argv[3], O_CREAT|O_WRONLY|O_TRUNC,0644)) < 0 || write(fd, buf, buflen) != buflen || close(fd) < 0) { |