Check the return value of I/O operations for failure
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parent
f066db7fcd
commit
ea83cedcf6
3 changed files with 13 additions and 5 deletions
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@ -65,7 +65,9 @@ HexFile::loadSections(Port *memPort)
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Addr MemAddr;
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uint32_t Data;
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while (!feof(fp)) {
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fgets(Line, 64, fp);
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char *ret = fgets(Line, sizeof(Line), fp);
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if (!ret)
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panic("malformed file");
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parseLine(Line, &MemAddr, &Data);
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if (MemAddr != 0) {
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// Now, write to memory
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@ -346,14 +346,16 @@ uint8_t
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BaseRemoteGDB::getbyte()
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{
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uint8_t b;
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::read(fd, &b, 1);
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if (::read(fd, &b, 1) != 1)
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warn("could not read byte from debugger");
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return b;
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}
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void
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BaseRemoteGDB::putbyte(uint8_t b)
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{
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::write(fd, &b, 1);
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if (::write(fd, &b, 1) != 1)
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warn("could not write byte to debugger");
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}
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// Send a packet to gdb
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@ -182,8 +182,12 @@ EtherTap::recvPacket(EthPacketPtr packet)
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DPRINTF(Ethernet, "EtherTap output len=%d\n", packet->length);
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DDUMP(EthernetData, packet->data, packet->length);
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uint32_t len = htonl(packet->length);
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write(socket, &len, sizeof(len));
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write(socket, packet->data, packet->length);
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ssize_t ret = write(socket, &len, sizeof(len));
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if (ret != sizeof(len))
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return false;
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ret = write(socket, packet->data, packet->length);
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if (ret != packet->length)
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return false;
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interface->recvDone();
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