Add the sqlite3ResultStrAccum() internal interface to simplify the

the implementation of functions that return strings.

FossilOrigin-Name: e548e9299d3fd6ce5b647cf0dd93ff8e917a5eda43076c6a02389c52640e2e50

1 files changed, 16 insertions, 0 deletions

diff --git a/src/printf.c b/src/printf.c
index eb06e1a23..e63518450 100644
--- a/src/printf.c
+++ b/src/printf.c
@@ -1045,6 +1045,22 @@ char *sqlite3StrAccumFinish(StrAccum *p){
 }
 
 /*
+** Use the content of the StrAccum passed as the second argument
+** as the result of an SQL function.
+*/
+void sqlite3ResultStrAccum(sqlite3_context *pCtx, StrAccum *p){
+  if( p->accError ){
+    sqlite3_result_error_code(pCtx, p->accError);
+    sqlite3_str_reset(p);
+  }else if( isMalloced(p) ){
+    sqlite3_result_text(pCtx, p->zText, p->nChar, SQLITE_DYNAMIC);
+  }else{
+    sqlite3_result_text(pCtx, "", 0, SQLITE_STATIC);
+    sqlite3_str_reset(p);
+  }
+}
+
+/*
 ** This singleton is an sqlite3_str object that is returned if
 ** sqlite3_malloc() fails to provide space for a real one.  This
 ** sqlite3_str object accepts no new text and always returns