This is guaranteed less error prone than calling memset and hoping the
human gets the argument order correct.
---
 lib/libalpm/be_local.c   |  5 +----
 lib/libalpm/be_package.c |  7 ++-----
 lib/libalpm/be_sync.c    |  7 ++-----
 lib/libalpm/dload.c      | 13 ++++++-------
 lib/libalpm/signing.c    | 23 +++++++----------------
 lib/libalpm/util.c       |  2 +-
 src/pacman/conf.c        |  3 +--
 7 files changed, 20 insertions(+), 40 deletions(-)

diff --git a/lib/libalpm/be_local.c b/lib/libalpm/be_local.c
index b89acf05..78e32a24 100644
--- a/lib/libalpm/be_local.c
+++ b/lib/libalpm/be_local.c
@@ -694,7 +694,7 @@ char *_alpm_local_db_pkgpath(alpm_db_t *db, alpm_pkg_t 
*info,
 static int local_db_read(alpm_pkg_t *info, int inforeq)
 {
        FILE *fp = NULL;
-       char line[1024];
+       char line[1024] = {0};
        alpm_db_t *db = info->origin_data.db;
 
        /* bitmask logic here:
@@ -717,9 +717,6 @@ static int local_db_read(alpm_pkg_t *info, int inforeq)
                        "loading package data for %s : level=0x%x\n",
                        info->name, inforeq);
 
-       /* clear out 'line', to be certain - and to make valgrind happy */
-       memset(line, 0, sizeof(line));
-
        /* DESC */
        if(inforeq & INFRQ_DESC && !(info->infolevel & INFRQ_DESC)) {
                char *path = _alpm_local_db_pkgpath(db, info, "desc");
diff --git a/lib/libalpm/be_package.c b/lib/libalpm/be_package.c
index 5ffea875..9a8b4410 100644
--- a/lib/libalpm/be_package.c
+++ b/lib/libalpm/be_package.c
@@ -164,9 +164,8 @@ static int parse_descfile(alpm_handle_t *handle, struct 
archive *a, alpm_pkg_t *
        char *ptr = NULL;
        char *key = NULL;
        int ret, linenum = 0;
-       struct archive_read_buffer buf;
+       struct archive_read_buffer buf = {0};
 
-       memset(&buf, 0, sizeof(buf));
        /* 512K for a line length seems reasonable */
        buf.max_line_size = 512 * 1024;
 
@@ -448,13 +447,11 @@ static int build_filelist_from_mtree(alpm_handle_t 
*handle, alpm_pkg_t *pkg, str
        char *mtree_data = NULL;
        struct archive *mtree;
        struct archive_entry *mtree_entry = NULL;
-       alpm_filelist_t filelist;
+       alpm_filelist_t filelist = {0};
 
        _alpm_log(handle, ALPM_LOG_DEBUG,
                        "found mtree for package %s, getting file list\n", 
pkg->filename);
 
-       memset(&filelist, 0, sizeof(alpm_filelist_t));
-
        /* create a new archive to parse the mtree and load it from archive 
into memory */
        /* TODO: split this into a function */
        if((mtree = archive_read_new()) == NULL) {
diff --git a/lib/libalpm/be_sync.c b/lib/libalpm/be_sync.c
index 2c76fe83..4614610c 100644
--- a/lib/libalpm/be_sync.c
+++ b/lib/libalpm/be_sync.c
@@ -219,12 +219,10 @@ int SYMEXPORT alpm_db_update(int force, alpm_db_t *db)
 
        for(i = db->servers; i; i = i->next) {
                const char *server = i->data, *final_db_url = NULL;
-               struct dload_payload payload;
+               struct dload_payload payload = {};
                size_t len;
                int sig_ret = 0;
 
-               memset(&payload, 0, sizeof(struct dload_payload));
-
                /* set hard upper limit of 25MiB */
                payload.max_size = 25 * 1024 * 1024;
 
@@ -601,7 +599,7 @@ static int sync_db_read(alpm_db_t *db, struct archive 
*archive,
 {
        const char *entryname, *filename;
        alpm_pkg_t *pkg;
-       struct archive_read_buffer buf;
+       struct archive_read_buffer buf = {0};
 
        entryname = archive_entry_pathname(entry);
        if(entryname == NULL) {
@@ -613,7 +611,6 @@ static int sync_db_read(alpm_db_t *db, struct archive 
*archive,
        _alpm_log(db->handle, ALPM_LOG_FUNCTION, "loading package data from 
archive entry %s\n",
                        entryname);
 
-       memset(&buf, 0, sizeof(buf));
        /* 512K for a line length seems reasonable */
        buf.max_line_size = 512 * 1024;
 
diff --git a/lib/libalpm/dload.c b/lib/libalpm/dload.c
index 40a1d07d..b3e6a411 100644
--- a/lib/libalpm/dload.c
+++ b/lib/libalpm/dload.c
@@ -195,9 +195,10 @@ static int curl_gethost(const char *url, char *buffer, 
size_t buf_len)
 static int utimes_long(const char *path, long seconds)
 {
        if(seconds != -1) {
-               struct timeval tv[2];
-               memset(&tv, 0, sizeof(tv));
-               tv[0].tv_sec = tv[1].tv_sec = seconds;
+               struct timeval tv[2] = {
+                       { .tv_sec = seconds, },
+                       { .tv_sec = seconds, },
+               };
                return utimes(path, tv);
        }
        return 0;
@@ -657,7 +658,7 @@ char SYMEXPORT *alpm_fetch_pkgurl(alpm_handle_t *handle, 
const char *url)
        char *filepath;
        const char *cachedir, *final_pkg_url = NULL;
        char *final_file = NULL;
-       struct dload_payload payload;
+       struct dload_payload payload = {0};
        int ret = 0;
 
        CHECK_HANDLE(handle, return NULL);
@@ -666,8 +667,6 @@ char SYMEXPORT *alpm_fetch_pkgurl(alpm_handle_t *handle, 
const char *url)
        /* find a valid cache dir to download to */
        cachedir = _alpm_filecache_setup(handle);
 
-       memset(&payload, 0, sizeof(struct dload_payload));
-
        /* attempt to find the file in our pkgcache */
        filepath = filecache_find_url(handle, url);
        if(filepath == NULL) {
@@ -740,7 +739,7 @@ void _alpm_dload_payload_reset(struct dload_payload 
*payload)
        FREE(payload->destfile_name);
        FREE(payload->content_disp_name);
        FREE(payload->fileurl);
-       memset(payload, '\0', sizeof(*payload));
+       *payload = (struct dload_payload){0};
 }
 
 void _alpm_dload_payload_reset_for_retry(struct dload_payload *payload)
diff --git a/lib/libalpm/signing.c b/lib/libalpm/signing.c
index 3c4f883f..257a287f 100644
--- a/lib/libalpm/signing.c
+++ b/lib/libalpm/signing.c
@@ -217,7 +217,7 @@ gpg_error:
 int _alpm_key_in_keychain(alpm_handle_t *handle, const char *fpr)
 {
        gpgme_error_t gpg_err;
-       gpgme_ctx_t ctx;
+       gpgme_ctx_t ctx = {0};
        gpgme_key_t key;
        int ret = -1;
 
@@ -231,7 +231,6 @@ int _alpm_key_in_keychain(alpm_handle_t *handle, const char 
*fpr)
                goto error;
        }
 
-       memset(&ctx, 0, sizeof(ctx));
        gpg_err = gpgme_new(&ctx);
        CHECK_ERR();
 
@@ -267,12 +266,11 @@ error:
 static int key_import_wkd(alpm_handle_t *handle, const char *email)
 {
        gpgme_error_t gpg_err;
-       gpgme_ctx_t ctx;
+       gpgme_ctx_t ctx = {0};
        gpgme_keylist_mode_t mode;
        gpgme_key_t key;
        int ret = -1;
 
-       memset(&ctx, 0, sizeof(ctx));
        gpg_err = gpgme_new(&ctx);
        CHECK_ERR();
 
@@ -309,7 +307,7 @@ static int key_search_keyserver(alpm_handle_t *handle, 
const char *fpr,
                alpm_pgpkey_t *pgpkey)
 {
        gpgme_error_t gpg_err;
-       gpgme_ctx_t ctx;
+       gpgme_ctx_t ctx = {0};
        gpgme_keylist_mode_t mode;
        gpgme_key_t key;
        int ret = -1;
@@ -322,7 +320,6 @@ static int key_search_keyserver(alpm_handle_t *handle, 
const char *fpr,
        MALLOC(full_fpr, fpr_len + 3, RET_ERR(handle, ALPM_ERR_MEMORY, -1));
        sprintf(full_fpr, "0x%s", fpr);
 
-       memset(&ctx, 0, sizeof(ctx));
        gpg_err = gpgme_new(&ctx);
        CHECK_ERR();
 
@@ -431,7 +428,7 @@ gpg_error:
 static int key_import_keyserver(alpm_handle_t *handle, alpm_pgpkey_t *key)
 {
        gpgme_error_t gpg_err;
-       gpgme_ctx_t ctx;
+       gpgme_ctx_t ctx = {0};
        gpgme_key_t keys[2];
        gpgme_import_result_t result;
        int ret = -1;
@@ -442,7 +439,6 @@ static int key_import_keyserver(alpm_handle_t *handle, 
alpm_pgpkey_t *key)
                return -1;
        }
 
-       memset(&ctx, 0, sizeof(ctx));
        gpg_err = gpgme_new(&ctx);
        CHECK_ERR();
 
@@ -507,7 +503,7 @@ static int email_from_uid(const char *uid, char **email)
 int _alpm_key_import(alpm_handle_t *handle, const char *uid, const char *fpr)
 {
        int ret = -1;
-       alpm_pgpkey_t fetch_key;
+       alpm_pgpkey_t fetch_key = {0};
        char *email;
 
        if(_alpm_access(handle, handle->gpgdir, "pubring.gpg", W_OK)) {
@@ -516,7 +512,6 @@ int _alpm_key_import(alpm_handle_t *handle, const char 
*uid, const char *fpr)
                return -1;
        }
 
-       memset(&fetch_key, 0, sizeof(fetch_key));
        STRDUP(fetch_key.uid, uid, return -1);
        STRDUP(fetch_key.fingerprint, fpr, return -1);
 
@@ -576,8 +571,8 @@ int _alpm_gpgme_checksig(alpm_handle_t *handle, const char 
*path,
 {
        int ret = -1, sigcount;
        gpgme_error_t gpg_err = 0;
-       gpgme_ctx_t ctx;
-       gpgme_data_t filedata, sigdata;
+       gpgme_ctx_t ctx = {0};
+       gpgme_data_t filedata = {0}, sigdata = {0};
        gpgme_verify_result_t verify_result;
        gpgme_signature_t gpgsig;
        char *sigpath = NULL;
@@ -618,10 +613,6 @@ int _alpm_gpgme_checksig(alpm_handle_t *handle, const char 
*path,
 
        _alpm_log(handle, ALPM_LOG_DEBUG, "checking signature for %s\n", path);
 
-       memset(&ctx, 0, sizeof(ctx));
-       memset(&sigdata, 0, sizeof(sigdata));
-       memset(&filedata, 0, sizeof(filedata));
-
        gpg_err = gpgme_new(&ctx);
        CHECK_ERR();
 
diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c
index a4d62c7c..d12a4403 100644
--- a/lib/libalpm/util.c
+++ b/lib/libalpm/util.c
@@ -1191,7 +1191,7 @@ cleanup:
        {
                int ret = b->ret;
                FREE(b->line);
-               memset(b, 0, sizeof(struct archive_read_buffer));
+               *b = (struct archive_read_buffer){0};
                return ret;
        }
 }
diff --git a/src/pacman/conf.c b/src/pacman/conf.c
index 3b475151..fe6d6971 100644
--- a/src/pacman/conf.c
+++ b/src/pacman/conf.c
@@ -1117,8 +1117,7 @@ int setdefaults(config_t *c)
 
 int parseconfigfile(const char *file)
 {
-       struct section_t section;
-       memset(&section, 0, sizeof(struct section_t));
+       struct section_t section = {0};
        pm_printf(ALPM_LOG_DEBUG, "config: attempting to read file %s\n", file);
        return parse_ini(file, _parse_directive, &section);
 }
-- 
2.24.1

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