2019-03-08 18:18:31 +01:00
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/* SPDX-License-Identifier: ISC */
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2019-02-04 15:29:16 +01:00
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#include <unistd.h>
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#include <errno.h>
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#include "util/util.h"
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ssize_t read_retry(int fd, void *buffer, size_t size)
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{
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ssize_t ret, total = 0;
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while (size > 0) {
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ret = read(fd, buffer, size);
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if (ret < 0) {
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if (errno == EINTR)
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continue;
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return -1;
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}
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if (ret == 0)
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break;
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total += ret;
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size -= ret;
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buffer = (char *)buffer + ret;
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}
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return total;
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}
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