db_dump: Print error when file not accessible.
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@ -402,7 +402,10 @@ int main(int argc, char *argv[])
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}
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memset(&db, 0, sizeof(struct mosquitto_db));
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fd = fopen(filename, "rb");
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if(!fd) return 0;
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if(!fd){
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fprintf(stderr, "Error: Unable to open %s\n", filename);
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return 0;
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}
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read_e(fd, &header, 15);
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if(!memcmp(header, magic, 15)){
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if(do_print) printf("Mosquitto DB dump\n");
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