Codechange: [ContentInfo] Use std::string instead of string buffers

4 files changed, 27 insertions, 22 deletions

diff --git a/src/network/core/config.h b/src/network/core/config.h
index ce614188d..6d6038ec7 100644
--- a/src/network/core/config.h
+++ b/src/network/core/config.h
@@ -65,6 +65,11 @@ static const uint NETWORK_CLIENT_NAME_LENGTH      =   25;         ///< The maxim
 static const uint NETWORK_RCONCOMMAND_LENGTH      =  500;         ///< The maximum length of a rconsole command, in bytes including '\0'
 static const uint NETWORK_GAMESCRIPT_JSON_LENGTH  = COMPAT_MTU-3; ///< The maximum length of a gamescript json string, in bytes including '\0'. Must not be longer than COMPAT_MTU including header (3 bytes)
 static const uint NETWORK_CHAT_LENGTH             =  900;         ///< The maximum length of a chat message, in bytes including '\0'
+static const uint NETWORK_CONTENT_FILENAME_LENGTH =   48;         ///< The maximum length of a content's filename, in bytes including '\0'.
+static const uint NETWORK_CONTENT_NAME_LENGTH     =   32;         ///< The maximum length of a content's name, in bytes including '\0'.
+static const uint NETWORK_CONTENT_VERSION_LENGTH  =   16;         ///< The maximum length of a content's version, in bytes including '\0'.
+static const uint NETWORK_CONTENT_URL_LENGTH      =   96;         ///< The maximum length of a content's url, in bytes including '\0'.
+static const uint NETWORK_CONTENT_DESC_LENGTH     =  512;         ///< The maximum length of a content's description, in bytes including '\0'.
 static const uint NETWORK_CONTENT_TAG_LENGTH      =   32;         ///< The maximum length of a content's tag, in bytes including '\0'.
 
 static const uint NETWORK_GRF_NAME_LENGTH         =   80;         ///< Maximum length of the name of a GRF
diff --git a/src/network/core/tcp_content_type.h b/src/network/core/tcp_content_type.h
index 2186997e8..25097c3ab 100644
--- a/src/network/core/tcp_content_type.h
+++ b/src/network/core/tcp_content_type.h
@@ -60,11 +60,11 @@ struct ContentInfo {
 	ContentType type;        ///< Type of content
 	ContentID id;            ///< Unique (server side) ID for the content
 	uint32 filesize;         ///< Size of the file
-	char filename[48];       ///< Filename (for the .tar.gz; only valid on download)
-	char name[32];           ///< Name of the content
-	char version[16];        ///< Version of the content
-	char url[96];            ///< URL related to the content
-	char description[512];   ///< Description of the content
+	std::string filename;    ///< Filename (for the .tar.gz; only valid on download)
+	std::string name;        ///< Name of the content
+	std::string version;     ///< Version of the content
+	std::string url;         ///< URL related to the content
+	std::string description; ///< Description of the content
 	uint32 unique_id;        ///< Unique ID; either GRF ID or shortname
 	byte md5sum[16];         ///< The MD5 checksum
 	std::vector<ContentID> dependencies; ///< The dependencies (unique server side ids)
diff --git a/src/network/network_content.cpp b/src/network/network_content.cpp
index 37df60877..f85c942af 100644
--- a/src/network/network_content.cpp
+++ b/src/network/network_content.cpp
@@ -56,10 +56,10 @@ bool ClientNetworkContentSocketHandler::Receive_SERVER_INFO(Packet *p)
 	ci->id       = (ContentID)p->Recv_uint32();
 	ci->filesize = p->Recv_uint32();
 
-	p->Recv_string(ci->name, lengthof(ci->name));
-	p->Recv_string(ci->version, lengthof(ci->version));
-	p->Recv_string(ci->url, lengthof(ci->url));
-	p->Recv_string(ci->description, lengthof(ci->description), SVS_REPLACE_WITH_QUESTION_MARK | SVS_ALLOW_NEWLINE);
+	ci->name        = p->Recv_string(NETWORK_CONTENT_NAME_LENGTH);
+	ci->version     = p->Recv_string(NETWORK_CONTENT_VERSION_LENGTH);
+	ci->url         = p->Recv_string(NETWORK_CONTENT_URL_LENGTH);
+	ci->description = p->Recv_string(NETWORK_CONTENT_DESC_LENGTH, SVS_REPLACE_WITH_QUESTION_MARK | SVS_ALLOW_NEWLINE);
 
 	ci->unique_id = p->Recv_uint32();
 	for (uint j = 0; j < sizeof(ci->md5sum); j++) {
@@ -143,7 +143,7 @@ bool ClientNetworkContentSocketHandler::Receive_SERVER_INFO(Packet *p)
 		if (ici->type == ci->type && ici->unique_id == ci->unique_id &&
 				memcmp(ci->md5sum, ici->md5sum, sizeof(ci->md5sum)) == 0) {
 			/* Preserve the name if possible */
-			if (StrEmpty(ci->name)) strecpy(ci->name, ici->name, lastof(ci->name));
+			if (ci->name.empty()) ci->name = ici->name;
 			if (ici->IsSelected()) ci->state = ici->state;
 
 			/*
@@ -485,7 +485,7 @@ bool ClientNetworkContentSocketHandler::Receive_SERVER_CONTENT(Packet *p)
 		this->curInfo->type     = (ContentType)p->Recv_uint8();
 		this->curInfo->id       = (ContentID)p->Recv_uint32();
 		this->curInfo->filesize = p->Recv_uint32();
-		p->Recv_string(this->curInfo->filename, lengthof(this->curInfo->filename));
+		this->curInfo->filename = p->Recv_string(NETWORK_CONTENT_FILENAME_LENGTH);
 
 		if (!this->BeforeDownload()) {
 			this->CloseConnection();
@@ -704,7 +704,7 @@ void ClientNetworkContentSocketHandler::OnReceiveData(const char *data, size_t l
 		}
 
 		/* Copy the string, without extension, to the filename. */
-		strecpy(this->curInfo->filename, tmp, lastof(this->curInfo->filename));
+		this->curInfo->filename = tmp;
 
 		/* Request the next file. */
 		if (!this->BeforeDownload()) {
diff --git a/src/network/network_content_gui.cpp b/src/network/network_content_gui.cpp
index 5a03561c9..dfd4370b3 100644
--- a/src/network/network_content_gui.cpp
+++ b/src/network/network_content_gui.cpp
@@ -147,7 +147,7 @@ void BaseNetworkContentDownloadStatusWindow::DrawWidget(const Rect &r, int widge
 void BaseNetworkContentDownloadStatusWindow::OnDownloadProgress(const ContentInfo *ci, int bytes)
 {
 	if (ci->id != this->cur_id) {
-		strecpy(this->name, ci->filename, lastof(this->name));
+		strecpy(this->name, ci->filename.c_str(), lastof(this->name));
 		this->cur_id = ci->id;
 		this->downloaded_files++;
 	}
@@ -408,7 +408,7 @@ class NetworkContentListWindow : public Window, ContentCallback {
 	/** Sort content by name. */
 	static bool NameSorter(const ContentInfo * const &a, const ContentInfo * const &b)
 	{
-		return strnatcmp(a->name, b->name, true) < 0; // Sort by name (natural sorting).
+		return strnatcmp(a->name.c_str(), b->name.c_str(), true) < 0; // Sort by name (natural sorting).
 	}
 
 	/** Sort content by type. */
@@ -445,7 +445,7 @@ class NetworkContentListWindow : public Window, ContentCallback {
 		filter.string_filter.ResetState();
 		for (auto &tag : (*a)->tags) filter.string_filter.AddLine(tag.c_str());
 
-		filter.string_filter.AddLine((*a)->name);
+		filter.string_filter.AddLine((*a)->name.c_str());
 		return filter.string_filter.GetState();
 	}
 
@@ -703,17 +703,17 @@ public:
 		SetDParamStr(0, this->selected->name);
 		y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_NAME);
 
-		if (!StrEmpty(this->selected->version)) {
+		if (!this->selected->version.empty()) {
 			SetDParamStr(0, this->selected->version);
 			y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_VERSION);
 		}
 
-		if (!StrEmpty(this->selected->description)) {
+		if (!this->selected->description.empty()) {
 			SetDParamStr(0, this->selected->description);
 			y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_DESCRIPTION);
 		}
 
-		if (!StrEmpty(this->selected->url)) {
+		if (!this->selected->url.empty()) {
 			SetDParamStr(0, this->selected->url);
 			y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_URL);
 		}
@@ -736,7 +736,7 @@ public:
 					const ContentInfo *ci = *iter;
 					if (ci->id != cid) continue;
 
-					p += seprintf(p, lastof(buf), p == buf ? "%s" : ", %s", (*iter)->name);
+					p += seprintf(p, lastof(buf), p == buf ? "%s" : ", %s", (*iter)->name.c_str());
 					break;
 				}
 			}
@@ -765,7 +765,7 @@ public:
 			for (const ContentInfo *ci : tree) {
 				if (ci == this->selected || ci->state != ContentInfo::SELECTED) continue;
 
-				p += seprintf(p, lastof(buf), buf == p ? "%s" : ", %s", ci->name);
+				p += seprintf(p, lastof(buf), buf == p ? "%s" : ", %s", ci->name.c_str());
 			}
 			if (p != buf) {
 				SetDParamStr(0, buf);
@@ -842,7 +842,7 @@ public:
 			case WID_NCL_OPEN_URL:
 				if (this->selected != nullptr) {
 					extern void OpenBrowser(const char *url);
-					OpenBrowser(this->selected->url);
+					OpenBrowser(this->selected->url.c_str());
 				}
 				break;
 
@@ -983,7 +983,7 @@ public:
 		this->SetWidgetDisabledState(WID_NCL_UNSELECT, this->filesize_sum == 0);
 		this->SetWidgetDisabledState(WID_NCL_SELECT_ALL, !show_select_all);
 		this->SetWidgetDisabledState(WID_NCL_SELECT_UPDATE, !show_select_upgrade);
-		this->SetWidgetDisabledState(WID_NCL_OPEN_URL, this->selected == nullptr || StrEmpty(this->selected->url));
+		this->SetWidgetDisabledState(WID_NCL_OPEN_URL, this->selected == nullptr || this->selected->url.empty());
 		for (TextfileType tft = TFT_BEGIN; tft < TFT_END; tft++) {
 			this->SetWidgetDisabledState(WID_NCL_TEXTFILE + tft, this->selected == nullptr || this->selected->state != ContentInfo::ALREADY_HERE || this->selected->GetTextfile(tft) == nullptr);
 		}