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Some more null pointer checks, fix #186

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Signed-off-by: Sara Damiano <sdamiano@stroudcenter.org>
This commit is contained in:
Sara Damiano
2020-04-15 15:42:55 -04:00
parent b9473c65fd
commit fb3f8583a3
13 changed files with 98 additions and 59 deletions
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3
src/TinyGsmClientSIM800.h
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@@ -528,6 +528,7 @@ class TinyGsmSim800 : public TinyGsmModem<TinyGsmSim800>,
}
size_t modemRead(size_t size, uint8_t mux) {
if (!sockets[mux]) return 0;
#ifdef TINY_GSM_USE_HEX
sendAT(GF("+CIPRXGET=3,"), mux, ',', (uint16_t)size);
if (waitResponse(GF("+CIPRXGET:")) != 1) { return 0; }
@@ -575,6 +576,7 @@ class TinyGsmSim800 : public TinyGsmModem<TinyGsmSim800>,
}
size_t modemGetAvailable(uint8_t mux) {
if (!sockets[mux]) return 0;
sendAT(GF("+CIPRXGET=4,"), mux);
size_t result = 0;
if (waitResponse(GF("+CIPRXGET:")) == 1) {
@@ -734,6 +736,7 @@ class TinyGsmSim800 : public TinyGsmModem<TinyGsmSim800>,
public:
Stream& stream;
protected:
GsmClientSim800* sockets[TINY_GSM_MUX_COUNT];
const char* gsmNL = GSM_NL;