From 29e4e77c44dacd39f9979c62f3182920c2e3371f Mon Sep 17 00:00:00 2001
From: FooIbar <118464521+FooIbar@users.noreply.github.com>
Date: Thu, 4 Apr 2024 22:09:10 +0800
Subject: [PATCH] Open file descriptor in "wt" mode for overwriting

---
 app/src/main/kotlin/com/hippo/ehviewer/spider/ComicInfo.kt | 1 -
 app/src/main/kotlin/com/hippo/ehviewer/spider/SpiderDen.kt | 3 +--
 app/src/main/kotlin/com/hippo/ehviewer/util/FDUtils.kt     | 2 +-
 app/src/main/kotlin/com/hippo/unifile/UniFileExtensions.kt | 2 +-
 4 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/app/src/main/kotlin/com/hippo/ehviewer/spider/ComicInfo.kt b/app/src/main/kotlin/com/hippo/ehviewer/spider/ComicInfo.kt
index 90a7686e7..6d3bd160e 100644
--- a/app/src/main/kotlin/com/hippo/ehviewer/spider/ComicInfo.kt
+++ b/app/src/main/kotlin/com/hippo/ehviewer/spider/ComicInfo.kt
@@ -99,7 +99,6 @@ fun ComicInfo.toSimpleTags() = listOfNotNull(
 
 fun ComicInfo.write(file: UniFile) {
     file.openOutputStream().use {
-        it.channel.truncate(0)
         OutputStreamWriter(it, Charsets.UTF_8).use { writer ->
             xmlStreaming.newGenericWriter(writer).use { xmlWriter ->
                 xml.encodeToWriter(xmlWriter, ComicInfo.serializer(), this)
diff --git a/app/src/main/kotlin/com/hippo/ehviewer/spider/SpiderDen.kt b/app/src/main/kotlin/com/hippo/ehviewer/spider/SpiderDen.kt
index fe0879804..881b769ea 100644
--- a/app/src/main/kotlin/com/hippo/ehviewer/spider/SpiderDen.kt
+++ b/app/src/main/kotlin/com/hippo/ehviewer/spider/SpiderDen.kt
@@ -191,8 +191,7 @@ class SpiderDen(val info: GalleryInfo) {
         val extension = MimeTypeMap.getFileExtensionFromUrl(url).ifEmpty { "jpg" }
         return saveResponseMeta(index, extension) { outFile ->
             outFile.openOutputStream().use {
-                val chan = it.channel.apply { truncate(0) }
-                response.bodyAsChannel().copyTo(chan)
+                response.bodyAsChannel().copyTo(it.channel)
             }
         }
     }
diff --git a/app/src/main/kotlin/com/hippo/ehviewer/util/FDUtils.kt b/app/src/main/kotlin/com/hippo/ehviewer/util/FDUtils.kt
index 4ffb835d6..537ef05f0 100644
--- a/app/src/main/kotlin/com/hippo/ehviewer/util/FDUtils.kt
+++ b/app/src/main/kotlin/com/hippo/ehviewer/util/FDUtils.kt
@@ -25,5 +25,5 @@ infix fun ParcelFileDescriptor.sendTo(fd: ParcelFileDescriptor) {
 }
 
 infix fun UniFile.sendTo(file: UniFile) = openFileDescriptor("r").use { src ->
-    file.openFileDescriptor("w").use { dst -> src sendTo dst }
+    file.openFileDescriptor("wt").use { dst -> src sendTo dst }
 }
diff --git a/app/src/main/kotlin/com/hippo/unifile/UniFileExtensions.kt b/app/src/main/kotlin/com/hippo/unifile/UniFileExtensions.kt
index 5c136051b..5848162e2 100644
--- a/app/src/main/kotlin/com/hippo/unifile/UniFileExtensions.kt
+++ b/app/src/main/kotlin/com/hippo/unifile/UniFileExtensions.kt
@@ -22,7 +22,7 @@ fun UniFile.openInputStream(): FileInputStream {
  * Use Native IO/NIO directly if possible, unless you need process file content on JVM!
  */
 fun UniFile.openOutputStream(): FileOutputStream {
-    return AutoCloseOutputStream(openFileDescriptor("w"))
+    return AutoCloseOutputStream(openFileDescriptor("wt"))
 }
 
 fun UniFile.sha1() = openFileDescriptor("r").use { sha1(it.fd) }