toaruos/libc/unistd/readlink.c

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#include <unistd.h>
#include <errno.h>
#include <syscall.h>
#include <syscall_nums.h>
DEFN_SYSCALL3(readlink, SYS_READLINK, char *, char *, int);
ssize_t readlink(const char * name, char * buf, size_t len) {
int r = syscall_readlink((char*)name, buf, len);
if (r < 0) {
errno = -r;
return -1;
}
return r;
}