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| author | Michael Morony <michael.morony@gmail.com> | 2007-08-24 08:14:21 +0200 |
|---|---|---|
| committer | Kay Sievers <kay.sievers@vrfy.org> | 2007-08-24 08:14:21 +0200 |
| commit | 1f7a36f2c0953c60a8d7acadc281285a0b84fb46 (patch) | |
| tree | b36910854ba772c399da4ef6624443b5eba0b9fc /udev_sysfs.c | |
| parent | 7e599863919a62b0a072b5ca7a0037527d54d335 (diff) | |
| download | udev-1f7a36f2c0953c60a8d7acadc281285a0b84fb46.tar.gz | |
set buffer size if strlcpy/strlcat indicate truncation
Diffstat (limited to 'udev_sysfs.c')
| -rw-r--r-- | udev_sysfs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/udev_sysfs.c b/udev_sysfs.c index 34ae9ac1..d5b04c31 100644 --- a/udev_sysfs.c +++ b/udev_sysfs.c @@ -355,6 +355,8 @@ char *sysfs_attr_get_value(const char *devpath, const char *attr_name) dbg("open '%s'/'%s'", devpath, attr_name); sysfs_len = strlcpy(path_full, sysfs_path, sizeof(path_full)); + if(sysfs_len >= sizeof(path_full)) + sysfs_len = sizeof(path_full) - 1; path = &path_full[sysfs_len]; strlcat(path_full, devpath, sizeof(path_full)); strlcat(path_full, "/", sizeof(path_full)); |