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Commit 98e044a6 authored by Dima Zavin's avatar Dima Zavin
Browse files

BatteryService(jni): properly handle read's return value 



Change-Id: I10f5cf3728424e7f5a0c1b460049102fd00a6246
Signed-off-by: default avatarDima Zavin <dima@android.com>
parent fe9a2a54

services/jni/com_android_server_BatteryService.cpp

+3 −3
Original line number Diff line number Diff line
@@ -141,10 +141,10 @@ static int readFromFile(const char* path, char* buf, size_t size) 
        return -1;

    }

    

    size_t count = read(fd, buf, size);

    ssize_t count = read(fd, buf, size);

    if (count > 0) {

        count = (count < size) ? count : size - 1;

        while (count > 0 && buf[count-1] == '\n') count--;

        while (count > 0 && buf[count-1] == '\n')

            count--;

        buf[count] = '\0';

    } else {

        buf[0] = '\0';