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util: add qsort_r_safe(), similar to qsort_safe()
author
Lennart Poettering
<lennart@poettering.net>
Wed, 11 Apr 2018 17:51:39 +0000
(19:51 +0200)
committer
Lennart Poettering
<lennart@poettering.net>
Wed, 18 Apr 2018 10:35:45 +0000
(12:35 +0200)
src/basic/util.h
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diff --git
a/src/basic/util.h
b/src/basic/util.h
index
0db3627
..
ad1931f
100644
(file)
--- a/
src/basic/util.h
+++ b/
src/basic/util.h
@@
-111,6
+111,14
@@
static inline void qsort_safe(void *base, size_t nmemb, size_t size, comparison_
qsort_safe((p), (n), sizeof((p)[0]), (__compar_fn_t) _func_); \
})
+static inline void qsort_r_safe(void *base, size_t nmemb, size_t size, int (*compar)(const void*, const void*, void*), void *userdata) {
+ if (nmemb <= 1)
+ return;
+
+ assert(base);
+ qsort_r(base, nmemb, size, compar, userdata);
+}
+
/**
* Normal memcpy requires src to be nonnull. We do nothing if n is 0.
*/