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-rw-r--r--src/basic/fileio.c29
-rw-r--r--src/basic/fileio.h2
-rw-r--r--src/basic/ordered-set.c64
-rw-r--r--src/basic/ordered-set.h6
-rw-r--r--src/basic/strv.c20
-rw-r--r--src/basic/strv.h2
6 files changed, 123 insertions, 0 deletions
diff --git a/src/basic/fileio.c b/src/basic/fileio.c
index 5ed5460904..3ff70310e1 100644
--- a/src/basic/fileio.c
+++ b/src/basic/fileio.c
@@ -1251,3 +1251,32 @@ int read_timestamp_file(const char *fn, usec_t *ret) {
*ret = (usec_t) t;
return 0;
}
+
+int fputs_with_space(FILE *f, const char *s, const char *separator, bool *space) {
+ int r;
+
+ assert(s);
+
+ /* Outputs the specified string with fputs(), but optionally prefixes it with a separator. The *space parameter
+ * when specified shall initially point to a boolean variable initialized to false. It is set to true after the
+ * first invocation. This call is supposed to be use in loops, where a separator shall be inserted between each
+ * element, but not before the first one. */
+
+ if (!f)
+ f = stdout;
+
+ if (space) {
+ if (!separator)
+ separator = " ";
+
+ if (*space) {
+ r = fputs(separator, f);
+ if (r < 0)
+ return r;
+ }
+
+ *space = true;
+ }
+
+ return fputs(s, f);
+}
diff --git a/src/basic/fileio.h b/src/basic/fileio.h
index 95e8698941..9e09574133 100644
--- a/src/basic/fileio.h
+++ b/src/basic/fileio.h
@@ -82,3 +82,5 @@ int tempfn_random_child(const char *p, const char *extra, char **ret);
int write_timestamp_file_atomic(const char *fn, usec_t n);
int read_timestamp_file(const char *fn, usec_t *ret);
+
+int fputs_with_space(FILE *f, const char *s, const char *separator, bool *space);
diff --git a/src/basic/ordered-set.c b/src/basic/ordered-set.c
new file mode 100644
index 0000000000..2e0bdf6488
--- /dev/null
+++ b/src/basic/ordered-set.c
@@ -0,0 +1,64 @@
+/***
+ This file is part of systemd.
+
+ Copyright 2016 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "ordered-set.h"
+#include "strv.h"
+
+int ordered_set_consume(OrderedSet *s, void *p) {
+ int r;
+
+ r = ordered_set_put(s, p);
+ if (r <= 0)
+ free(p);
+
+ return r;
+}
+
+int ordered_set_put_strdup(OrderedSet *s, const char *p) {
+ char *c;
+ int r;
+
+ assert(s);
+ assert(p);
+
+ c = strdup(p);
+ if (!c)
+ return -ENOMEM;
+
+ r = ordered_set_consume(s, c);
+ if (r == -EEXIST)
+ return 0;
+
+ return r;
+}
+
+int ordered_set_put_strdupv(OrderedSet *s, char **l) {
+ int n = 0, r;
+ char **i;
+
+ STRV_FOREACH(i, l) {
+ r = ordered_set_put_strdup(s, *i);
+ if (r < 0)
+ return r;
+
+ n += r;
+ }
+
+ return n;
+}
diff --git a/src/basic/ordered-set.h b/src/basic/ordered-set.h
index da10e90ff2..ab185c11aa 100644
--- a/src/basic/ordered-set.h
+++ b/src/basic/ordered-set.h
@@ -62,9 +62,15 @@ static inline bool ordered_set_iterate(OrderedSet *s, Iterator *i, void **value)
return ordered_hashmap_iterate((OrderedHashmap*) s, i, value, NULL);
}
+int ordered_set_consume(OrderedSet *s, void *p);
+int ordered_set_put_strdup(OrderedSet *s, const char *p);
+int ordered_set_put_strdupv(OrderedSet *s, char **l);
+
#define ORDERED_SET_FOREACH(e, s, i) \
for ((i) = ITERATOR_FIRST; ordered_set_iterate((s), &(i), (void**)&(e)); )
DEFINE_TRIVIAL_CLEANUP_FUNC(OrderedSet*, ordered_set_free);
+DEFINE_TRIVIAL_CLEANUP_FUNC(OrderedSet*, ordered_set_free_free);
#define _cleanup_ordered_set_free_ _cleanup_(ordered_set_freep)
+#define _cleanup_ordered_set_free_free_ _cleanup_(ordered_set_free_freep)
diff --git a/src/basic/strv.c b/src/basic/strv.c
index 0a3d15706f..5532c53ad1 100644
--- a/src/basic/strv.c
+++ b/src/basic/strv.c
@@ -29,6 +29,7 @@
#include "alloc-util.h"
#include "escape.h"
#include "extract-word.h"
+#include "fileio.h"
#include "string-util.h"
#include "strv.h"
#include "util.h"
@@ -871,3 +872,22 @@ rollback:
nl[k] = NULL;
return -ENOMEM;
}
+
+int fputstrv(FILE *f, char **l, const char *separator, bool *space) {
+ bool b = false;
+ char **s;
+ int r;
+
+ /* Like fputs(), but for strv, and with a less stupid argument order */
+
+ if (!space)
+ space = &b;
+
+ STRV_FOREACH(s, l) {
+ r = fputs_with_space(f, *s, separator, space);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
diff --git a/src/basic/strv.h b/src/basic/strv.h
index bb61db2638..560f90115c 100644
--- a/src/basic/strv.h
+++ b/src/basic/strv.h
@@ -169,3 +169,5 @@ char ***strv_free_free(char ***l);
char **strv_skip(char **l, size_t n);
int strv_extend_n(char ***l, const char *value, size_t n);
+
+int fputstrv(FILE *f, char **l, const char *separator, bool *space);