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fix assumption in fputs that fwrite returning 0 implies an error
[oweals/musl.git]
/
src
/
stdio
/
__uflow.c
1
#include "stdio_impl.h"
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/* This function assumes it will never be called if there is already
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* data buffered for reading. */
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int __uflow(FILE *f)
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{
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unsigned char c;
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if (!__toread(f) && f->read(f, &c, 1)==1) return c;
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return EOF;
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}