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-rw-r--r--chat.c2
-rw-r--r--chat.h2
-rw-r--r--ui.c12
3 files changed, 7 insertions, 9 deletions
diff --git a/chat.c b/chat.c
index e01b511..e6cd270 100644
--- a/chat.c
+++ b/chat.c
@@ -83,7 +83,7 @@ struct Self self = { .color = Default };
 
 static const char *save;
 static void exitSave(void) {
-	int error = uiSave(save);
+	int error = uiSave();
 	if (error) {
 		warn("%s", save);
 		_exit(EX_IOERR);
diff --git a/chat.h b/chat.h
index 327262b..8c99cf5 100644
--- a/chat.h
+++ b/chat.h
@@ -312,7 +312,7 @@ void uiFormat(
 	uint id, enum Heat heat, const time_t *time, const char *format, ...
 ) __attribute__((format(printf, 4, 5)));
 void uiLoad(const char *name);
-int uiSave(const char *name);
+int uiSave(void);
 
 enum { BufferCap = 1024 };
 struct Buffer;
diff --git a/ui.c b/ui.c
index d8cb3e5..82c4716 100644
--- a/ui.c
+++ b/ui.c
@@ -1128,11 +1128,12 @@ static int writeString(FILE *file, const char *str) {
 	return (fwrite(str, strlen(str) + 1, 1, file) ? 0 : -1);
 }
 
-int uiSave(const char *name) {
-	FILE *saveFile = dataOpen(name, "w");
-	if (!saveFile) return -1;
+static FILE *saveFile;
 
+int uiSave(void) {
 	int error = 0
+		|| ftruncate(fileno(saveFile), 0)
+		|| fseek(saveFile, 0, SEEK_SET)
 		|| writeTime(saveFile, Signatures[7])
 		|| writeTime(saveFile, self.pos);
 	if (error) return error;
@@ -1179,12 +1180,11 @@ static ssize_t readString(FILE *file, char **buf, size_t *cap) {
 }
 
 void uiLoad(const char *name) {
-	FILE *saveFile = dataOpen(name, "r");
+	saveFile = dataOpen(name, "r+");
 	if (!saveFile) {
 		if (errno != ENOENT) exit(EX_NOINPUT);
 		saveFile = dataOpen(name, "w");
 		if (!saveFile) exit(EX_CANTCREAT);
-		fclose(saveFile);
 		return;
 	}
 
@@ -1192,7 +1192,6 @@ void uiLoad(const char *name) {
 	fread(&signature, sizeof(signature), 1, saveFile);
 	if (ferror(saveFile)) err(EX_IOERR, "fread");
 	if (feof(saveFile)) {
-		fclose(saveFile);
 		return;
 	}
 	size_t version = signatureVersion(signature);
@@ -1225,5 +1224,4 @@ void uiLoad(const char *name) {
 	urlLoad(saveFile, version);
 
 	free(buf);
-	fclose(saveFile);
 }