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implement hcreate_r, hdestroy_r and hsearch_r
[oweals/musl.git]
/
src
/
ipc
/
ftok.c
1
#include <sys/ipc.h>
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#include <sys/stat.h>
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key_t ftok(const char *path, int id)
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{
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struct stat st;
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if (stat(path, &st) < 0) return -1;
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return ((st.st_ino & 0xffff) | ((st.st_dev & 0xff) << 16) | ((id & 0xff) << 24));
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}