change PIIODevice read* and write* methods size to "ssize_t"
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@@ -65,7 +65,7 @@ PIString PIIOString::readLine() {
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}
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int PIIOString::readDevice(void * read_to, int max_size) {
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ssize_t PIIOString::readDevice(void * read_to, ssize_t max_size) {
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if (!canRead() || !str || max_size <= 0) return -1;
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PIString rs = str->mid(pos, max_size);
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pos += max_size;
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@@ -77,7 +77,7 @@ int PIIOString::readDevice(void * read_to, int max_size) {
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}
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int PIIOString::writeDevice(const void * data, int max_size) {
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ssize_t PIIOString::writeDevice(const void * data, ssize_t max_size) {
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if (!canWrite() || !str) return -1;
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//piCout << "write" << data;
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if (pos > str->size_s()) pos = str->size_s();
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