diff options
| author | Denys Vlasenko <vda.linux@googlemail.com> | 2018-12-08 15:41:17 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2018-12-08 15:41:17 +0100 |
| commit | 51283b8109dc2fdaa3fefc5c5a93b6cda72cddfd (patch) | |
| tree | 5f9191266bd43a4ca2d0bfd4d7a5a10de3f50306 /util-linux | |
| parent | b437df1157964ed012f1aeae25b68f6bbaae1787 (diff) | |
| download | busybox-51283b8109dc2fdaa3fefc5c5a93b6cda72cddfd.tar.gz | |
mdev: suppress aliasing warning
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'util-linux')
| -rw-r--r-- | util-linux/mdev.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/util-linux/mdev.c b/util-linux/mdev.c index 4b4eeafba..5ad09e09a 100644 --- a/util-linux/mdev.c +++ b/util-linux/mdev.c @@ -808,6 +808,16 @@ static void make_device(char *device_name, char *path, int operation) } /* for (;;) */ } +static ssize_t readlink2(char *buf, size_t bufsize) +{ + // Grr... gcc 8.1.1: + // "passing argument 2 to restrict-qualified parameter aliases with argument 1" + // dance around that... + char *obuf FIX_ALIASING; + obuf = buf; + return readlink(buf, obuf, bufsize); +} + /* File callback for /sys/ traversal. * We act only on "/sys/.../dev" (pseudo)file */ @@ -831,7 +841,7 @@ static int FAST_FUNC fileAction(const char *fileName, /* Read ".../subsystem" symlink in the same directory where ".../dev" is */ strcpy(subsys, path); strcpy(subsys + len, "/subsystem"); - res = readlink(subsys, subsys, sizeof(subsys)-1); + res = readlink2(subsys, sizeof(subsys)-1); if (res > 0) { subsys[res] = '\0'; free(G.subsystem); |