about summary refs log tree commit diff
path: root/shared/systemd/src/basic/hash-funcs.c
diff options
context:
space:
mode:
authorMichael Biebl <biebl@debian.org>2021-10-01 23:05:04 +0200
committerMichael Biebl <biebl@debian.org>2021-10-01 23:05:04 +0200
commite74c568b07b50b97873fb4ee1d776dedefbd54d6 (patch)
tree3469f17ea9af91f7ff169b890633bda68b0cf76e /shared/systemd/src/basic/hash-funcs.c
parentbfe522304da217296e2a61040f58e35ec5d6f3f2 (diff)
New upstream version 1.32.12 upstream/1.32.12
Diffstat (limited to 'shared/systemd/src/basic/hash-funcs.c')
-rw-r--r--shared/systemd/src/basic/hash-funcs.c113
1 files changed, 0 insertions, 113 deletions
diff --git a/shared/systemd/src/basic/hash-funcs.c b/shared/systemd/src/basic/hash-funcs.c
deleted file mode 100644
index 6f540b29..00000000
--- a/shared/systemd/src/basic/hash-funcs.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-
-#include "nm-sd-adapt-shared.h"
-
-#include <string.h>
-
-#include "hash-funcs.h"
-#include "path-util.h"
-
-void string_hash_func(const char *p, struct siphash *state) {
-        siphash24_compress(p, strlen(p) + 1, state);
-}
-
-DEFINE_HASH_OPS(string_hash_ops, char, string_hash_func, string_compare_func);
-DEFINE_HASH_OPS_WITH_KEY_DESTRUCTOR(string_hash_ops_free,
-                                    char, string_hash_func, string_compare_func, free);
-DEFINE_HASH_OPS_FULL(string_hash_ops_free_free,
-                     char, string_hash_func, string_compare_func, free,
-                     char, free);
-
-#if 0 /* NM_IGNORED */
-void path_hash_func(const char *q, struct siphash *state) {
-        size_t n;
-
-        assert(q);
-        assert(state);
-
-        /* Calculates a hash for a path in a way this duplicate inner slashes don't make a differences, and also
-         * whether there's a trailing slash or not. This fits well with the semantics of path_compare(), which does
-         * similar checks and also doesn't care for trailing slashes. Note that relative and absolute paths (i.e. those
-         * which begin in a slash or not) will hash differently though. */
-
-        n = strspn(q, "/");
-        if (n > 0) { /* Eat up initial slashes, and add one "/" to the hash for all of them */
-                siphash24_compress(q, 1, state);
-                q += n;
-        }
-
-        for (;;) {
-                /* Determine length of next component */
-                n = strcspn(q, "/");
-                if (n == 0) /* Reached the end? */
-                        break;
-
-                /* Add this component to the hash and skip over it */
-                siphash24_compress(q, n, state);
-                q += n;
-
-                /* How many slashes follow this component? */
-                n = strspn(q, "/");
-                if (q[n] == 0) /* Is this a trailing slash? If so, we are at the end, and don't care about the slashes anymore */
-                        break;
-
-                /* We are not add the end yet. Hash exactly one slash for all of the ones we just encountered. */
-                siphash24_compress(q, 1, state);
-                q += n;
-        }
-}
-
-DEFINE_HASH_OPS(path_hash_ops, char, path_hash_func, path_compare);
-DEFINE_HASH_OPS_WITH_KEY_DESTRUCTOR(path_hash_ops_free,
-                                    char, path_hash_func, path_compare, free);
-#endif /* NM_IGNORED */
-
-void trivial_hash_func(const void *p, struct siphash *state) {
-        siphash24_compress(&p, sizeof(p), state);
-}
-
-int trivial_compare_func(const void *a, const void *b) {
-        return CMP(a, b);
-}
-
-const struct hash_ops trivial_hash_ops = {
-        .hash = trivial_hash_func,
-        .compare = trivial_compare_func,
-};
-
-const struct hash_ops trivial_hash_ops_free = {
-        .hash = trivial_hash_func,
-        .compare = trivial_compare_func,
-        .free_key = free,
-};
-
-const struct hash_ops trivial_hash_ops_free_free = {
-        .hash = trivial_hash_func,
-        .compare = trivial_compare_func,
-        .free_key = free,
-        .free_value = free,
-};
-
-void uint64_hash_func(const uint64_t *p, struct siphash *state) {
-        siphash24_compress(p, sizeof(uint64_t), state);
-}
-
-int uint64_compare_func(const uint64_t *a, const uint64_t *b) {
-        return CMP(*a, *b);
-}
-
-DEFINE_HASH_OPS(uint64_hash_ops, uint64_t, uint64_hash_func, uint64_compare_func);
-
-#if 0 /* NM_IGNORED */
-#if SIZEOF_DEV_T != 8
-void devt_hash_func(const dev_t *p, struct siphash *state) {
-        siphash24_compress(p, sizeof(dev_t), state);
-}
-
-int devt_compare_func(const dev_t *a, const dev_t *b) {
-        return CMP(*a, *b);
-}
-
-DEFINE_HASH_OPS(devt_hash_ops, dev_t, devt_hash_func, devt_compare_func);
-#endif
-#endif /* NM_IGNORED */