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authorDaniel Sabogal <dsabogalcc@gmail.com>2017-08-11 22:55:22 -0400
committerRich Felker <dalias@aerifal.cx>2017-08-12 09:09:27 -0400
commit511b7042b3844b42a940f1c31436fb04ce93ac19 (patch)
tree268986d3beda34eb2b26e260f0d69bc6c22ea7fe
parent1698fe6cdcdeaad03aa19a85433d5396ecfc51ef (diff)
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fix signed overflow in ftok
-rw-r--r--src/ipc/ftok.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/ipc/ftok.c b/src/ipc/ftok.c
index cd6002ed..c36b4b60 100644
--- a/src/ipc/ftok.c
+++ b/src/ipc/ftok.c
@@ -6,5 +6,5 @@ key_t ftok(const char *path, int id)
struct stat st;
if (stat(path, &st) < 0) return -1;
- return ((st.st_ino & 0xffff) | ((st.st_dev & 0xff) << 16) | ((id & 0xff) << 24));
+ return ((st.st_ino & 0xffff) | ((st.st_dev & 0xff) << 16) | ((id & 0xffu) << 24));
}