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[libc][picolibc] fix llvm compling warning 

/home/runner/work/rt-thread/rt-thread/components/libc/compilers/picolibc/syscall.c:24:16: warning: returning 'volatile int *' from a function with result type 'int *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
        return &__pico_errno;
               ^~~~~~~~~~~~~
/home/runner/work/rt-thread/rt-thread/components/libc/compilers/picolibc/syscall.c:30:16: warning: returning 'volatile int *' from a function with result type 'int *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
        return &__pico_errno;
               ^~~~~~~~~~~~~
/home/runner/work/rt-thread/rt-thread/components/libc/compilers/picolibc/syscall.c:33:12: warning: incompatible pointer types returning 'rt_err_t *' (aka 'long *') from a function with result type 'int *' [-Wincompatible-pointer-types]
    return &tid->error;
This commit is contained in:
Meco Man 2023-12-25 21:08:47 +08:00
parent 37fea9d549
commit f06b0894c4
1 changed files with 3 additions and 3 deletions
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6
components/libc/compilers/picolibc/syscall.c
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@ -21,16 +21,16 @@ int *pico_get_errno(void)
if (rt_interrupt_get_nest() != 0) if (rt_interrupt_get_nest() != 0)
{ {
/* it's in interrupt context */ /* it's in interrupt context */
return &__pico_errno; return (int *)&__pico_errno;
} }
tid = rt_thread_self(); tid = rt_thread_self();
if (tid == RT_NULL) if (tid == RT_NULL)
{ {
return &__pico_errno; return (int *)&__pico_errno;
} }
return &tid->error; return (int *)&tid->error;
} }
#ifdef RT_USING_HEAP #ifdef RT_USING_HEAP