mirror of
https://github.com/fluencelabs/musl
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25 lines
498 B
C
25 lines
498 B
C
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#include "shgetc.h"
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void __shlim(FILE *f, off_t lim)
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{
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f->shlim = lim;
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f->shcnt = f->rend ? f->rend - f->buf : 0;
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if (lim && f->rend - f->rpos > lim)
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f->shend = f->rpos + lim;
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else
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f->shend = f->rend;
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}
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int __shgetc(FILE *f)
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{
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int c;
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if (f->shcnt >= f->shlim) return EOF;
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c = __uflow(f);
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if (f->shlim && f->rend - f->rpos > f->shlim - f->shcnt - 1)
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f->shend = f->rpos + (f->shlim - f->shcnt - 1);
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else
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f->shend = f->rend;
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if (f->rend) f->shcnt += f->rend - f->buf;
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return c;
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}
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