Http download issue when connection lost #723
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When the socket down the "read" function returns -1. Then the while(read_byte > 0) only works for signed types.
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I was testing HTTP OTA and I realized that OTA locks down when Wifi connection drops. When this happens, POSIX function
read(located atHttpClient_download) returns -1. Since it's implemented as unsigned,do { ... } while(read_byte > 0)loops forever. Therefore theread_bytevariable must be signed type.