Decision Workspace
va_list-test vs va_list vs libffi
Side-by-side comparison of Rust crates
32
va_list-test
growingv0.0.1
Testing helpers for the va_list crate
44
va_list
growingv0.2.1
Provides a rust implementation of the 'va_list' type for a small set of ABIs. Allowing rust implementations of functions like vprintf.
72
libffi
stablev5.1.0
Rust bindings for libffi
Core Metrics
| va_list-test | va_list | libffi | |
|---|---|---|---|
| Health Score | 32 | 44 | 72 |
| Total Downloads | 4.0K | 1.2M | 2.4M |
| 30d Downloads | 3 | 100.0K | 177.1K |
| Dependents | 1 | 91 | 513 |
| Releases | 1 | 10 | 46 |
| Last Updated | 3759d ago | 303d ago | 86d ago |
| Age | 10y 9m | 10y 9m | 9y 9m |
Health Breakdown
va_list-test
Maintenance
1
Quality
15
Community
4
Popularity
4
Documentation
8
va_list
Maintenance
6
Quality
15
Community
8
Popularity
7
Documentation
8
libffi
Maintenance
13
Quality
23
Community
16
Popularity
8
Documentation
12
Technical Details
| va_list-test | va_list | libffi | |
|---|---|---|---|
| Version | 0.0.1 | 0.2.1 | 5.1.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MIT/Apache-2.0 |
| Dependencies | 1 | 2 | 3 |
| Crate Size | 733B | 11KB | 33KB |
| Features | 0 | 0 | 5 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | — | — | 2021 |
| MSRV | — | — | 1.78 |
| Owners | 1 | 1 | 4 |
Links
Quick Verdict
- •libffi leads with a health score of 72/100, but none of the options score above 80.
- •libffi is depended on by 513 crates — strongest ecosystem trust.
- •⚠ va_list-test has not been updated in over a year.
- •va_list-test, va_list are pre-1.0 — API may change.