antirez/sds

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

5577 stars · 510 forks observed · 2026-10-07

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

SDS (Simple Dynamic Strings) is a C string library that augments libc string handling with heap-allocated, binary-safe dynamic strings using a header prefix before the returned pointer. It was extracted from Redis and offers both high-level convenience functions and low-level APIs for high-performance code.

Use cases

• handle binary-safe strings in C
• replace error-prone C string functions with a safer dynamic string library
• build high-performance string manipulation code in C
• embed a lightweight string library in a C project
• avoid printf overhead with fast string formatting

When to choose

• writing C code that needs dynamic, binary-safe strings
• you want strings compatible with standard C string functions
• memory efficiency and single-allocation strings matter
• you need a small, dependency-free string library

When to avoid

• working in a language with native string types
• you need unicode-aware string operations
• binary compatibility with SDS v1 is required

Facets

library · maturity stable

serialization developer-tools developer-tools programming-languages c cpp cross-platform dynamic-strings binary-safe c-strings redis memory-efficiency

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