From 0aadb3c89a96eb55df582564f12d518da917c30c Mon Sep 17 00:00:00 2001
From: nishi <nishi@f982e544-4a7d-3444-ad1a-fde59a2a69f1>
Date: Sat, 20 Apr 2024 00:36:59 +0000
Subject: [PATCH] reading db works

git-svn-id: file:///raid/svn-main/nishi-mandshurica/trunk@45 f982e544-4a7d-3444-ad1a-fde59a2a69f1
---
 Mandshurica/db.c   | 40 +++++++++++++++++++++++++++++++++++++++-
 Mandshurica/main.c |  2 ++
 2 files changed, 41 insertions(+), 1 deletion(-)

diff --git a/Mandshurica/db.c b/Mandshurica/db.c
index 2ec742c..cd0dba6 100644
--- a/Mandshurica/db.c
+++ b/Mandshurica/db.c
@@ -30,8 +30,11 @@
 
 #include "ms_db.h"
 
+#include "ms_util.h"
+
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 struct ms_db* mandshurica_db_open(const char* path) {
 	FILE* fp = fopen(path, "rb");
@@ -48,4 +51,39 @@ void mandshurica_db_close(struct ms_db* db) {
 	free(db);
 }
 
-char* mandshurica_db_get(struct ms_db* db, const char* key) {}
+/* key:value */
+char* mandshurica_db_get(struct ms_db* db, const char* key) {
+	fseek(db->fp, 0, SEEK_SET);
+	char cbuf[2];
+	cbuf[1] = 0;
+	char* line = malloc(1);
+	line[0] = 0;
+	while(1) {
+		fread(cbuf, 1, 1, db->fp);
+		if(feof(db->fp) || cbuf[0] == '\n') {
+			if(strlen(line) > 0) {
+				int i;
+				for(i = 0; line[i] != 0; i++) {
+					if(line[i] == ':') {
+						line[i] = 0;
+						if(strcmp(line, key) == 0) {
+							char* ret = mandshurica_strdup(line + i + 1);
+							free(line);
+							return ret;
+						}
+					}
+				}
+			}
+			free(line);
+			line = malloc(1);
+			line[0] = 0;
+			if(feof(db->fp)) break;
+		} else if(cbuf[0] != '\r') {
+			char* tmp = line;
+			line = mandshurica_strcat(tmp, cbuf);
+			free(tmp);
+		}
+	}
+	free(line);
+	return NULL;
+}
diff --git a/Mandshurica/main.c b/Mandshurica/main.c
index e5b1198..2747866 100644
--- a/Mandshurica/main.c
+++ b/Mandshurica/main.c
@@ -33,6 +33,8 @@
 #include "ms_config.h"
 #include "ms_log.h"
 
+#include "ms_db.h"
+
 #include <dlfcn.h>
 #include <stdbool.h>
 #include <stdio.h>
-- 
2.43.0