communication: if read == 0 => it's ok
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@ -59,7 +59,7 @@ int file_read (const char *path, char **buf, size_t *msize)
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int ret = 0;
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int ret2 = 0;
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ret = read (fd, *buf, BUFSIZ);
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if (ret <= 0) {
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if (ret < 0) {
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fprintf (stderr, "err: read %s\n", path);
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}
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else {
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