Question 1

How does udp/json-parser compare to cJSON for embedded systems?

Accepted Answer

udp/json-parser is often preferred for its stricter C89 compliance and lower memory footprint, while cJSON might offer more features but with slightly higher overhead. Both are lightweight, but udp/json-parser emphasizes minimalism and zero dependencies.

Question 2

Can I enable JSON comments parsing with udp/json-parser?

Accepted Answer

Yes, by setting the `json_enable_comments` flag in the `json_settings` struct, it allows parsing of C-style line and block comments, which is useful for configuration files, as noted in the runtime options.

Question 3

How to handle memory allocation with custom allocators in udp/json-parser?

Accepted Answer

You can provide custom `mem_alloc` and `mem_free` functions in the `json_settings` struct, allowing integration with your memory management system, such as in embedded environments with static pools, as described in the README.

Question 4

Does udp/json-parser support parsing JSON from a network stream?

Accepted Answer

Not directly; you need to buffer the data and parse it as a whole. For streaming, you'd have to implement external buffering, as it's a DOM-style parser without built-in streaming capabilities.

Question 5

What are the compile-time options for customizing integer types?

Accepted Answer

You can define `json_int_t` to a custom signed integer type via compiler flags, and if needed, specify `JSON_INT_MAX`. This allows control over integer representation, as detailed in the README for cross-platform compatibility.

Question 6

Is udp/json-parser suitable for real-time operating systems?

Accepted Answer

Yes, due to its predictable memory usage and lack of dependencies, it can be integrated into RTOS environments, but ensure custom allocators are used to avoid dynamic allocation if required for deterministic behavior.

json-parser

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