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va_list

v0.2.1 Growing

Provides a rust implementation of the 'va_list' type for a small set of ABIs. Allowing rust implementations of functions like vprintf.

MIT OR Apache-2.0
#ffi#unsafe#c#va_list

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Tiny footprint (11KB, 2 deps)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

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Downloads
1.4M
Dependents
93
Releases
10
Size
11KB

Deep Insights

๐Ÿ“Š
Stable downloads

86.1K downloads in the last 30 days (2.9K/day). Volume is roughly flat compared to the previous period.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 10+ years old, va_list hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿชถ
Minimal dependencies

Only 2 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

๐Ÿ“
Compact crate

At 10KB, va_list is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include csound, csound-sys, tarantool, couchbase-lite, jxl-oxide-cli. When high-quality crates choose va_list, it's a strong quality signal.

Health Breakdown

Maintenance 5/25

Recency, release consistency, active ratio

Quality 15/25

Yanked ratio, deps, size, maturity, features

Community 8/20

Reverse deps, ownership, ecosystem

Popularity 7/15

Downloads, momentum, growth trend

Documentation 8/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
3K/day avg-24%
02K4K6K8K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v0.2.1
45%
v0.1.4
42%
v0.2.0
8%
v0.1.3
4%
v0.1.0
1%

Release Timeline

10 releasessince 2015
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3
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1
2017
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3
2019
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2022
1
2023
2024
1
2025
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2026
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README

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Maintainers

Dependencies
2
direct dependencies
Dependents
93
crates depend on va_list

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