mq names without leading / have impl-def behavior; allowing them is easier

[musl] / src / mq / mq_unlink.c

#include <mqueue.h>
#include <errno.h>
#include "syscall.h"

int mq_unlink(const char *name)
{
        int ret;
        if (*name == '/') name++;
        ret = __syscall(SYS_mq_unlink, name);
        if (ret < 0) {
                if (ret == -EPERM) ret = -EACCES;
                errno = -ret;
                return -1;
        }
        return ret;
}