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#include <errno.h>
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#include "buffer.h"
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int buffer_stubborn_read(int (*op)(),int fd,const char* buf, unsigned int len) {
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int w;
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for (;;) {
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if ((w=op(fd,buf,len))<0)
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if (errno == EINTR) continue;
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break;
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}
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return w;
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}
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