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[libc][armlibc] Fix getchar error after exit vi

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- _sys_istty() add stdio as tty
 - without this, after exit vi program getchar will return -1, I don't know why it works
This commit is contained in:
gbcwbz
2018-12-23 19:15:20 +08:00
parent 0924d277f6
commit 48848c2917
1 changed files with 4 additions and 1 deletions
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3
components/libc/compilers/armlibc/stubs.c
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@@ -270,6 +270,9 @@ long _sys_flen(FILEHANDLE fh)
int _sys_istty(FILEHANDLE fh) int _sys_istty(FILEHANDLE fh)
{ {
if((STDIN <= fh) && (fh <= STDERR))
return 1;
else
return 0; return 0;
} }