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author | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2016-11-30 02:44:22 +0100 |
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committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2016-11-30 21:51:13 +0100 |
commit | ca0e88efbb86211aa15325c69675fffb1b8ad5c5 (patch) | |
tree | c8ceb23eca941b832e037f7d5072e4ca1e302341 /src/hwdb | |
parent | hwdb: simplify error handling in trie_store (diff) | |
download | systemd-ca0e88efbb86211aa15325c69675fffb1b8ad5c5.tar.xz systemd-ca0e88efbb86211aa15325c69675fffb1b8ad5c5.zip |
hwdb: rename err to r and use _cleanup_ in two more places
Diffstat (limited to 'src/hwdb')
-rw-r--r-- | src/hwdb/hwdb.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/src/hwdb/hwdb.c b/src/hwdb/hwdb.c index fba0c309c5..0fbde28d10 100644 --- a/src/hwdb/hwdb.c +++ b/src/hwdb/hwdb.c @@ -214,7 +214,7 @@ static int trie_insert(struct trie *trie, struct trie_node *node, const char *se const char *key, const char *value, const char *filename, uint16_t file_priority, uint32_t line_number) { size_t i = 0; - int err = 0; + int r = 0; for (;;) { size_t p; @@ -255,9 +255,9 @@ static int trie_insert(struct trie *trie, struct trie_node *node, const char *se node->children_count = 0; node->values = NULL; node->values_count = 0; - err = node_add_child(trie, node, new_child, c); - if (err < 0) - return err; + r = node_add_child(trie, node, new_child, c); + if (r < 0) + return r; new_child = NULL; /* avoid cleanup */ break; @@ -284,10 +284,10 @@ static int trie_insert(struct trie *trie, struct trie_node *node, const char *se } child->prefix_off = off; - err = node_add_child(trie, node, child, c); - if (err < 0) { + r = node_add_child(trie, node, child, c); + if (r < 0) { free(child); - return err; + return r; } return trie_node_add_value(trie, child, key, value, filename, file_priority, line_number); @@ -329,11 +329,11 @@ static int64_t trie_store_nodes(struct trie_f *trie, struct trie_node *node) { .children_count = node->children_count, .values_count = htole64(node->values_count), }; - struct trie_child_entry_f *children = NULL; + _cleanup_free_ struct trie_child_entry_f *children = NULL; int64_t node_off; if (node->children_count) { - children = new0(struct trie_child_entry_f, node->children_count); + children = new(struct trie_child_entry_f, node->children_count); if (!children) return -ENOMEM; } @@ -343,12 +343,13 @@ static int64_t trie_store_nodes(struct trie_f *trie, struct trie_node *node) { int64_t child_off; child_off = trie_store_nodes(trie, node->children[i].child); - if (child_off < 0) { - free(children); + if (child_off < 0) return child_off; - } - children[i].c = node->children[i].c; - children[i].child_off = htole64(child_off); + + children[i] = (struct trie_child_entry_f) { + .c = node->children[i].c, + .child_off = htole64(child_off), + }; } /* write node */ @@ -360,7 +361,6 @@ static int64_t trie_store_nodes(struct trie_f *trie, struct trie_node *node) { if (node->children_count) { fwrite(children, sizeof(struct trie_child_entry_f), node->children_count, trie->f); trie->children_count += node->children_count; - free(children); } /* append values array */ @@ -374,8 +374,8 @@ static int64_t trie_store_nodes(struct trie_f *trie, struct trie_node *node) { }; fwrite(&v, sizeof(struct trie_value_entry2_f), 1, trie->f); - trie->values_count++; } + trie->values_count += node->values_count; return node_off; } @@ -614,7 +614,8 @@ static int hwdb_query(int argc, char *argv[], void *userdata) { static int hwdb_update(int argc, char *argv[], void *userdata) { _cleanup_free_ char *hwdb_bin = NULL; _cleanup_(trie_freep) struct trie *trie = NULL; - char **files, **f; + _cleanup_strv_free_ char **files = NULL; + char **f; uint16_t file_priority = 1; int r; @@ -636,13 +637,12 @@ static int hwdb_update(int argc, char *argv[], void *userdata) { r = conf_files_list_strv(&files, ".hwdb", arg_root, conf_file_dirs); if (r < 0) - return log_error_errno(r, "failed to enumerate hwdb files: %m"); + return log_error_errno(r, "Failed to enumerate hwdb files: %m"); STRV_FOREACH(f, files) { - log_debug("reading file '%s'", *f); + log_debug("Reading file \"%s\"", *f); import_file(trie, *f, file_priority++); } - strv_free(files); strbuf_complete(trie->strings); |