added IPC messages get_workspaces and get_outputs

No escaping on container names is done yet, as well as some values are
hardcoded because they don't exist yet.

1 files changed, 39 insertions, 0 deletions

diff --git a/sway/stringop.c b/sway/stringop.c
index 1dff97bf..c39e2c34 100644
--- a/sway/stringop.c
+++ b/sway/stringop.c
@@ -4,6 +4,7 @@
 #include "string.h"
 #include "list.h"
 #include <strings.h>
+#include <log.h>
 
 /* Note: This returns 8 characters for trimmed_start per tab character. */
 char *strip_whitespace(char *_str, int *trimmed_start) {
@@ -197,3 +198,41 @@ char *join_args(char **argv, int argc) {
         res[len - 1] = '\0';
         return res;
 }
+
+/*
+ * Join a list of strings, adding separator in between. Separator can be NULL.
+ */
+char *join_list(list_t *list, char *separator) {
+        if (!sway_assert(list != NULL, "list != NULL") || list->length == 0) {
+                return NULL;
+        }
+
+        size_t len = 1; // NULL terminator
+        size_t sep_len = 0;
+        if (separator != NULL) {
+                sep_len = strlen(separator);
+                len += (list->length - 1) * sep_len;
+        }
+
+        for (int i = 0; i < list->length; i++) {
+                len += strlen(list->items[i]);
+        }
+
+        char *res = malloc(len);
+
+        char *p = res + strlen(list->items[0]);
+        strcpy(res, list->items[0]);
+
+        for (int i = 1; i < list->length; i++) {
+                if (sep_len) {
+                        memcpy(p, separator, sep_len);
+                        p += sep_len;
+                }
+                strcpy(p, list->items[i]);
+                p += strlen(list->items[i]);
+        }
+
+        *p = '\0';
+
+        return res;
+}