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21 lines
456 B
C
21 lines
456 B
C
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#include <stdio.h>
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#include <linux/printbuf.h>
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void prt_printf(struct printbuf *out, const char *fmt, ...)
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{
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va_list args;
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int len;
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do {
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va_start(args, fmt);
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len = vsnprintf(out->buf + out->pos, printbuf_remaining(out), fmt, args);
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va_end(args);
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} while (len + 1 >= printbuf_remaining(out) &&
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!printbuf_make_room(out, len + 1));
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len = min_t(size_t, len,
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printbuf_remaining(out) ? printbuf_remaining(out) - 1 : 0);
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out->pos += len;
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}
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