From 9bea6ce0c5afd40b4c6dfd2b9d935dab4408e2eb Mon Sep 17 00:00:00 2001
From: Joseph Hunkeler <jhunkeler@gmail.com>
Date: Thu, 21 May 2020 17:17:25 -0400
Subject: Add strlist_remove()

---
 include/strlist.h |  1 +
 lib/strlist.c     | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/include/strlist.h b/include/strlist.h
index e236473..76b6d5f 100644
--- a/include/strlist.h
+++ b/include/strlist.h
@@ -12,6 +12,7 @@ typedef struct {
 } StrList;
 
 StrList *strlist_init();
+void strlist_remove(StrList *pStrList, size_t index);
 long double strlist_item_as_long_double(StrList *pStrList, size_t index);
 double strlist_item_as_double(StrList *pStrList, size_t index);
 float strlist_item_as_float(StrList *pStrList, size_t index);
diff --git a/lib/strlist.c b/lib/strlist.c
index 3de10dd..aac2755 100644
--- a/lib/strlist.c
+++ b/lib/strlist.c
@@ -82,6 +82,28 @@ void strlist_append_strlist(StrList *pStrList1, StrList *pStrList2) {
     }
 }
 
+/**
+ * Remove a record by index from a `StrList`
+ * @param pStrList
+ * @param index
+ */
+void strlist_remove(StrList *pStrList, size_t index) {
+    size_t count = strlist_count(pStrList);
+    if (count == 0) {
+        return;
+    }
+
+    for (size_t i = index; i < count; i++) {
+        char *next = pStrList->data[i + 1];
+        pStrList->data[i] = next;
+        if (next == NULL) {
+            break;
+        }
+    }
+
+    pStrList->num_inuse--;
+}
+
 /**
  * Compare two `StrList`s
  * @param a `StrList` structure
-- 
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