From 628f816a236c0c3336e6e95ae237cf4953cc897e Mon Sep 17 00:00:00 2001
From: flu0r1ne <flu0r1ne@flu0r1ne.net>
Date: Mon, 31 Oct 2022 17:13:46 -0500
Subject: add debug opts to makefile, fix munmap error

---
 makefile | 10 ++++++++--
 qidx.c   | 11 +++++------
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/makefile b/makefile
index 8f28203..7bef8d1 100644
--- a/makefile
+++ b/makefile
@@ -15,10 +15,16 @@ so_minor := 1
 CC=gcc
 
 
-CFLAGS = -Wall -pedantic $(debug)
+CFLAGS = -Wall -pedantic $(debug) $(opt)
 LDFLAGS := -lhts -lm -fPIC
 
-# debug = -fsanitize=address -O2 -g
+
+ifeq ($(DEBUG),"1")
+	debug = -fsanitize=address -g
+else
+	opt = -O2
+endif
+
 SRC_EXT:=%.c
 
 _STD_BUILD=$(CC) $(CFLAGS) $(filter $(SRC_EXT) %.o, $^) -o $@
diff --git a/qidx.c b/qidx.c
index acad8e9..16da3a7 100644
--- a/qidx.c
+++ b/qidx.c
@@ -612,11 +612,6 @@ qidx_err_t qidx_create(qidx_fp_t ** _fp, int fd, uint32_t _n_buckets, uint32_t m
 		off += max_bucket_size;
 	}
 
-	// REVISIT
-	for(size_t i = n_buckets - 1; i > 0; i--) {
-		fp->htab->rb_start[fp->htab->buckets[i].offset] = '\1';
-	}
-
 	return QIDX_OK;
 }
 
@@ -629,12 +624,16 @@ qidx_err_t qidx_close(qidx_fp_t * fp) {
 			fp->buckets[i].n_bytes = htole32(htab->buckets[i].n_bytes);
 			fp->buckets[i].offset = htole64(htab->buckets[i].offset);
 		}
+
+		if(msync(fp->map, fp->len, MS_SYNC) == -1) {
+			return QIDX_MAP_FAIL;
+		}
 	}
 
 	free(htab->buckets);
 	free(htab);
 
-	if(munmap(fp->map, fp->len) != -1) {
+	if(munmap(fp->map, fp->len) == -1) {
 		return QIDX_MAP_FAIL;
 	}
 
-- 
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