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-rw-r--r--Src/utils.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/Src/utils.c b/Src/utils.c
index 93e757ce8..3d535b85c 100644
--- a/Src/utils.c
+++ b/Src/utils.c
@@ -4229,6 +4229,31 @@ arrdup(char **s)
return y;
}
+/* Duplicate at most max elements of the array s with heap memory */
+
+/**/
+mod_export char **
+arrdup_max(char **s, unsigned max)
+{
+ char **x, **y, **send;
+ int len;
+
+ len = arrlen(s);
+
+ /* Limit has sense only if not equal to len */
+ if (max > len)
+ max = len;
+
+ y = x = (char **) zhalloc(sizeof(char *) * (max + 1));
+
+ send = s + max;
+ while (s < send)
+ *x++ = dupstring(*s++);
+ *x = NULL;
+
+ return y;
+}
+
/**/
mod_export char **
zarrdup(char **s)