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LibC: fflush stdout when reading from stdin

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This is the *intended behaviour* per ISO C specification
This commit is contained in:
Bananymous
2025-08-05 03:06:40 +03:00
parent 6ccc727dd0
commit eb9fe8ffc6
1 changed files with 3 additions and 0 deletions
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3
userspace/libraries/LibC/stdio.cpp
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@@ -542,6 +542,9 @@ int getc_unlocked(FILE* file)
if (file->eof) if (file->eof)
return EOF; return EOF;
if (file == stdin && file->buffer_type == _IOLBF && stdout->buffer_type == _IOLBF && stdout->buffer_idx)
fflush(stdout);
// read characters from ungetc // read characters from ungetc
if (file->unget_buf_idx) if (file->unget_buf_idx)
{ {