Andrew Geissler | d583833 | 2022-05-27 11:33:10 -0500 | [diff] [blame^] | 1 | From 54883e714b7fd1e7f4ce47eb1fc09adff35d561e Mon Sep 17 00:00:00 2001 |
| 2 | From: Khem Raj <raj.khem@gmail.com> |
| 3 | Date: Sat, 7 May 2022 12:15:22 -0700 |
| 4 | Subject: [PATCH] Define strndupa if it does not exist |
| 5 | |
| 6 | musl e.g. does not supply strndupa, unlike glibc |
| 7 | |
| 8 | Upstream-Status: Pending |
| 9 | Signed-off-by: Khem Raj <raj.khem@gmail.com> |
| 10 | --- |
| 11 | etc/systemd/system-generators/zfs-mount-generator.c | 9 +++++++++ |
| 12 | 1 file changed, 9 insertions(+) |
| 13 | |
| 14 | diff --git a/etc/systemd/system-generators/zfs-mount-generator.c b/etc/systemd/system-generators/zfs-mount-generator.c |
| 15 | index b806339..592d2f9 100644 |
| 16 | --- a/etc/systemd/system-generators/zfs-mount-generator.c |
| 17 | +++ b/etc/systemd/system-generators/zfs-mount-generator.c |
| 18 | @@ -47,6 +47,15 @@ |
| 19 | #define STRCMP ((int(*)(const void *, const void *))&strcmp) |
| 20 | #define PID_T_CMP ((int(*)(const void *, const void *))&pid_t_cmp) |
| 21 | |
| 22 | +#ifndef strndupa |
| 23 | +#define strndupa(s, n) \ |
| 24 | + (__extension__ ({const char *__in = (s); \ |
| 25 | + size_t __len = strnlen (__in, (n)) + 1; \ |
| 26 | + char *__out = (char *) alloca (__len); \ |
| 27 | + __out[__len-1] = '\0'; \ |
| 28 | + (char *) memcpy (__out, __in, __len-1);})) |
| 29 | +#endif |
| 30 | + |
| 31 | static int |
| 32 | pid_t_cmp(const pid_t *lhs, const pid_t *rhs) |
| 33 | { |
| 34 | -- |
| 35 | 2.36.0 |
| 36 | |