Libc

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Libc Alternatives

Similar projects and alternatives to Libc

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better Libc alternative or higher similarity.
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Libc reviews and mentions

Posts with mentions or reviews of Libc. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-11-19.
  • Setenv Is Not Thread Safe and C Doesn't Want to Fix It
    6 projects | news.ycombinator.com | 19 Nov 2023
    Does rust also add an pthread_atfork handler? Otherwise, it seems likely still unsafe for rust to claim to support calling fork (for execv) or posix_spawn, as most libc call realloc on the `environ` contents, but do not appear to take any care to ensure that (v)fork/posix_spawn doesn't happen concurrently with that. Worse yet, the `posix_spawnp` API takes an `envp` parameter and expects you to pass it the global pointer `environ`, which is completely unsynchronized across that fork call. It is not obvious to me that this is a security gap, but certainly it seems to me that this would violate rust's safety claim, if it is not taking added precautions there.

    The Apple Libc appears to just unconditionally drops the environ lock in the child (https://github.com/apple-oss-distributions/Libc/blob/c5a3293...), while glibc doesn't appear to even bother with that (https://github.com/bminor/glibc/blob/6ae7b5f43d4b13f24606d71...)

  • Getaddrinfo() on glibc calls getenv(), oh boy
    10 projects | news.ycombinator.com | 16 Oct 2023
    Doesn't musl have the same issue? https://github.com/JuliaLang/julia/issues/34726#issuecomment...

    I also wonder about OSX's libc. Newer versions seem to have some sort of locking https://github.com/apple-open-source-mirror/Libc/blob/master...

    but older versions (from 10.9) don't have any lockign: https://github.com/apple-oss-distributions/Libc/blob/Libc-99...

Stats

Basic Libc repo stats
2
45
2.9
about 1 month ago

apple-oss-distributions/Libc is an open source project licensed under GNU General Public License v3.0 or later which is an OSI approved license.

The primary programming language of Libc is C.

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