basic/fileio: add helper function for a set of two common checks

[elogind.git] / src / basic / fileio.c

diff --git a/src/basic/fileio.c b/src/basic/fileio.c
index 5b20fbb49cbb15149ad7a714876bf503b3ae604a..411c8601b95d36a7f4f424357f8a816f75fd752b 100644 (file)
--- a/src/basic/fileio.c
+++ b/src/basic/fileio.c
@@ -678,15 +678,13 @@ static int load_env_file_push(
         if (r < 0)
                 return r;
 
-        p = strjoin(key, "=", value);
+        p = strjoin(key, "=", strempty(value));
         if (!p)
                 return -ENOMEM;
 
-        r = strv_env_replace(m, p);
-        if (r < 0) {
-                free(p);
+        r = strv_consume(m, p);
+        if (r < 0)
                 return r;
-        }
 
         if (n_pushed)
                 (*n_pushed)++;
@@ -761,51 +759,6 @@ int load_env_file_pairs(FILE *f, const char *fname, const char *newline, char **
         return 0;
 }
 
-static int merge_env_file_push(
-                const char *filename, unsigned line,
-                const char *key, char *value,
-                void *userdata,
-                int *n_pushed) {
-
-        char ***env = userdata;
-        char *expanded_value;
-
-        assert(env);
-
-        if (!value) {
-                log_error("%s:%u: invalid syntax (around \"%s\"), ignoring.", strna(filename), line, key);
-                return 0;
-        }
-
-        if (!env_name_is_valid(key)) {
-                log_error("%s:%u: invalid variable name \"%s\", ignoring.", strna(filename), line, key);
-                return 0;
-        }
-
-        expanded_value = replace_env(value, *env,
-                                     REPLACE_ENV_USE_ENVIRONMENT|
-                                     REPLACE_ENV_ALLOW_BRACELESS|
-                                     REPLACE_ENV_ALLOW_EXTENDED);
-        if (!expanded_value)
-                return -ENOMEM;
-
-        free_and_replace(value, expanded_value);
-
-        return load_env_file_push(filename, line, key, value, env, n_pushed);
-}
-
-int merge_env_file(
-                char ***env,
-                FILE *f,
-                const char *fname) {
-
-        /* NOTE: this function supports braceful and braceless variable expansions,
-         * plus "extended" substitutions, unlike other exported parsing functions.
-         */
-
-        return parse_env_file_internal(f, fname, NEWLINE, merge_env_file_push, env, NULL);
-}
-
 static void write_env_var(FILE *f, const char *v) {
         const char *p;
 
@@ -1385,25 +1338,6 @@ int open_tmpfile_linkable(const char *target, int flags, char **ret_path) {
         return fd;
 }
 
-int open_serialization_fd(const char *ident) {
-        int fd = -1;
-
-        fd = memfd_create(ident, MFD_CLOEXEC);
-        if (fd < 0) {
-                const char *path;
-
-                path = getpid() == 1 ? "/run/systemd" : "/tmp";
-                fd = open_tmpfile_unlinkable(path, O_RDWR|O_CLOEXEC);
-                if (fd < 0)
-                        return fd;
-
-                log_debug("Serializing %s to %s.", ident, path);
-        } else
-                log_debug("Serializing %s to memfd.", ident);
-
-        return fd;
-}
-
 int link_tmpfile(int fd, const char *path, const char *target) {
 
         assert(fd >= 0);