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authorRich Felker <dalias@aerifal.cx>2013-08-31 15:44:58 -0400
committerRich Felker <dalias@aerifal.cx>2013-08-31 15:44:58 -0400
commit27b4923ba00f0a7511c7ebf5f19313d6313052e9 (patch)
tree30d54effafffe4e92f73aa91bb1dc5f5d25dbb1d /src
parent9ff8ed463caa86cb5e81419d8eb3bfb56e90f03c (diff)
downloadmusl-27b4923ba00f0a7511c7ebf5f19313d6313052e9.tar.gz
make realpath use O_PATH when opening the file
this avoids failure if the file is not readable and avoids odd behavior for device nodes, etc. on old kernels that lack O_PATH, the old behavior (O_RDONLY) will naturally happen as the fallback.
Diffstat (limited to 'src')
-rw-r--r--src/misc/realpath.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/misc/realpath.c b/src/misc/realpath.c
index d238ed01..2b846497 100644
--- a/src/misc/realpath.c
+++ b/src/misc/realpath.c
@@ -21,7 +21,7 @@ char *realpath(const char *restrict filename, char *restrict resolved)
return 0;
}
- fd = open(filename, O_RDONLY|O_NONBLOCK|O_CLOEXEC);
+ fd = open(filename, O_PATH|O_NONBLOCK|O_CLOEXEC);
if (fd < 0) return 0;
__procfdname(buf, fd);