cb57abb46
Thomas Devoogdt
2023-04-11
Subject
seedrng: fix for glibc <= 2.24 not providing random header
Binary
No binary (build failed)
Architecture & Compiler Flags
—
Build Log
(log yok)
Commit Diff GitHub →
miscutils/seedrng.c+10 -4
| @@ -42,25 +42,31 @@ | |
| #include "libbb.h" | |
| #include <linux/random.h> | |
| - | #include <sys/random.h> |
| #include <sys/file.h> | |
| /* Fix up glibc <= 2.24 not having getrandom() */ | |
| #if defined(__GLIBC__) && __GLIBC__ == 2 && __GLIBC_MINOR__ <= 24 | |
| #include <sys/syscall.h> | |
| - | # define getrandom(...) bb_getrandom(__VA_ARGS__) |
| static ssize_t getrandom(void *buffer, size_t length, unsigned flags) | |
| { | |
| # if defined(__NR_getrandom) | |
| return syscall(__NR_getrandom, buffer, length, flags); | |
| # else | |
| - | return ENOSYS; |
| + | errno = ENOSYS; |
| + | return -1; |
| # endif | |
| } | |
| + | #else |
| + | #include <sys/random.h> |
| + | #endif |
| + | |
| + | /* Apparently some headers don't ship with this yet. */ |
| + | #ifndef GRND_NONBLOCK |
| + | #define GRND_NONBLOCK 0x0001 |
| #endif | |
| #ifndef GRND_INSECURE | |
| - | #define GRND_INSECURE 0x0004 /* Apparently some headers don't ship with this yet. */ |
| + | #define GRND_INSECURE 0x0004 |
| #endif | |
| #define DEFAULT_SEED_DIR "/var/lib/seedrng" | |