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-rw-r--r--src/network/network_gamelist.cpp17
-rw-r--r--src/network/network_udp.cpp23
-rw-r--r--src/newgrf.cpp8
-rw-r--r--src/newgrf_config.cpp55
-rw-r--r--src/newgrf_config.h15
5 files changed, 81 insertions, 37 deletions
diff --git a/src/network/network_gamelist.cpp b/src/network/network_gamelist.cpp
index 3e6db1317..707c5c36b 100644
--- a/src/network/network_gamelist.cpp
+++ b/src/network/network_gamelist.cpp
@@ -182,17 +182,22 @@ void NetworkAfterNewGRFScan()
/* Don't know the GRF, so mark game incompatible and the (possibly)
* already resolved name for this GRF (another server has sent the
* name of the GRF already */
- AddGRFTextToList(&c->name, FindUnknownGRFName(c->ident.grfid, c->ident.md5sum, true));
+ c->name->Release();
+ c->name = FindUnknownGRFName(c->ident.grfid, c->ident.md5sum, true);
+ c->name->AddRef();
c->status = GCS_NOT_FOUND;
/* If we miss a file, we're obviously incompatible */
item->info.compatible = false;
} else {
- c->filename = f->filename;
- CleanUpGRFText(c->name);
- c->name = DuplicateGRFText(f->name);
- c->info = f->info;
- c->status = GCS_UNKNOWN;
+ c->filename = f->filename;
+ c->name->Release();
+ c->name = f->name;
+ c->name->AddRef();
+ c->info->Release();
+ c->info = f->info;
+ c->info->AddRef();
+ c->status = GCS_UNKNOWN;
}
}
}
diff --git a/src/network/network_udp.cpp b/src/network/network_udp.cpp
index 7ed8cae8a..8a4a6f945 100644
--- a/src/network/network_udp.cpp
+++ b/src/network/network_udp.cpp
@@ -369,7 +369,6 @@ DEF_UDP_RECEIVE_COMMAND(Client, PACKET_UDP_SERVER_NEWGRFS)
if (num_grfs > NETWORK_MAX_GRF_COUNT) return;
for (i = 0; i < num_grfs; i++) {
- char *unknown_name;
char name[NETWORK_GRF_NAME_LENGTH];
GRFIdentifier c;
@@ -380,12 +379,12 @@ DEF_UDP_RECEIVE_COMMAND(Client, PACKET_UDP_SERVER_NEWGRFS)
* and causes problems when showing the NewGRF list. */
if (StrEmpty(name)) continue;
- /* Finds the fake GRFConfig for the just read GRF ID and MD5sum tuple.
+ /* Try to find the GRFTextWrapper for the name of this GRF ID and MD5sum tuple.
* If it exists and not resolved yet, then name of the fake GRF is
* overwritten with the name from the reply. */
- unknown_name = FindUnknownGRFName(c.grfid, c.md5sum, false);
- if (unknown_name != NULL && strcmp(unknown_name, UNKNOWN_GRF_NAME_PLACEHOLDER) == 0) {
- ttd_strlcpy(unknown_name, name, NETWORK_GRF_NAME_LENGTH);
+ GRFTextWrapper *unknown_name = FindUnknownGRFName(c.grfid, c.md5sum, false);
+ if (unknown_name != NULL && strcmp(GetGRFStringFromGRFText(unknown_name->text), UNKNOWN_GRF_NAME_PLACEHOLDER) == 0) {
+ AddGRFTextToList(&unknown_name->text, name);
}
}
}
@@ -398,12 +397,18 @@ void ClientNetworkUDPSocketHandler::HandleIncomingNetworkGameInfoGRFConfig(GRFCo
/* Don't know the GRF, so mark game incompatible and the (possibly)
* already resolved name for this GRF (another server has sent the
* name of the GRF already */
- AddGRFTextToList(&config->name, FindUnknownGRFName(config->ident.grfid, config->ident.md5sum, true));
+ config->name->Release();
+ config->name = FindUnknownGRFName(config->ident.grfid, config->ident.md5sum, true);
+ config->name->AddRef();
config->status = GCS_NOT_FOUND;
} else {
- config->filename = f->filename;
- config->name = DuplicateGRFText(f->name);
- config->info = f->info;
+ config->filename = f->filename;
+ config->name->Release();
+ config->name = f->name;
+ config->name->AddRef();
+ config->info->Release();
+ config->info = f->info;
+ config->info->AddRef();
}
SetBit(config->flags, GCF_COPY);
}
diff --git a/src/newgrf.cpp b/src/newgrf.cpp
index 1a3e53fbc..86e92a81f 100644
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -5382,11 +5382,11 @@ static void ScanInfo(ByteReader *buf)
/* GRF IDs starting with 0xFF are reserved for internal TTDPatch use */
if (GB(grfid, 24, 8) == 0xFF) SetBit(_cur_grfconfig->flags, GCF_SYSTEM);
- AddGRFTextToList(&_cur_grfconfig->name, 0x7F, grfid, name);
+ AddGRFTextToList(&_cur_grfconfig->name->text, 0x7F, grfid, name);
if (buf->HasData()) {
const char *info = buf->ReadString();
- AddGRFTextToList(&_cur_grfconfig->info, 0x7F, grfid, info);
+ AddGRFTextToList(&_cur_grfconfig->info->text, 0x7F, grfid, info);
}
/* GLS_INFOSCAN only looks for the action 8, so we can skip the rest of the file */
@@ -6466,14 +6466,14 @@ static void TranslateGRFStrings(ByteReader *buf)
/** Callback function for 'INFO'->'NAME' to add a translation to the newgrf name. */
static bool ChangeGRFName(byte langid, const char *str)
{
- AddGRFTextToList(&_cur_grfconfig->name, langid, _cur_grfconfig->ident.grfid, str);
+ AddGRFTextToList(&_cur_grfconfig->name->text, langid, _cur_grfconfig->ident.grfid, str);
return true;
}
/** Callback function for 'INFO'->'DESC' to add a translation to the newgrf description. */
static bool ChangeGRFDescription(byte langid, const char *str)
{
- AddGRFTextToList(&_cur_grfconfig->info, langid, _cur_grfconfig->ident.grfid, str);
+ AddGRFTextToList(&_cur_grfconfig->info->text, langid, _cur_grfconfig->ident.grfid, str);
return true;
}
diff --git a/src/newgrf_config.cpp b/src/newgrf_config.cpp
index aed73655c..f6e686803 100644
--- a/src/newgrf_config.cpp
+++ b/src/newgrf_config.cpp
@@ -21,15 +21,31 @@
#include "fileio_func.h"
#include "fios.h"
+/** Create a new GRFTextWrapper. */
+GRFTextWrapper::GRFTextWrapper() :
+ text(NULL)
+{
+}
+
+/** Cleanup a GRFTextWrapper object. */
+GRFTextWrapper::~GRFTextWrapper()
+{
+ CleanUpGRFText(this->text);
+}
+
/**
* Create a new GRFConfig.
* @param filename Set the filename of this GRFConfig to filename. The argument
* is copied so the original string isn't needed after the constructor.
*/
GRFConfig::GRFConfig(const char *filename) :
+ name(new GRFTextWrapper()),
+ info(new GRFTextWrapper()),
num_valid_params(lengthof(param))
{
if (filename != NULL) this->filename = strdup(filename);
+ this->name->AddRef();
+ this->info->AddRef();
}
/**
@@ -39,6 +55,8 @@ GRFConfig::GRFConfig(const char *filename) :
GRFConfig::GRFConfig(const GRFConfig &config) :
ZeroedMemoryAllocator(),
ident(config.ident),
+ name(config.name),
+ info(config.info),
version(config.version),
min_loadable_version(config.min_loadable_version),
flags(config.flags & ~(1 << GCF_COPY)),
@@ -52,8 +70,8 @@ GRFConfig::GRFConfig(const GRFConfig &config) :
MemCpyT<uint8>(this->original_md5sum, config.original_md5sum, lengthof(this->original_md5sum));
MemCpyT<uint32>(this->param, config.param, lengthof(this->param));
if (config.filename != NULL) this->filename = strdup(config.filename);
- this->name = DuplicateGRFText(config.name);
- this->info = DuplicateGRFText(config.info);
+ this->name->AddRef();
+ this->info->AddRef();
if (config.error != NULL) this->error = new GRFError(*config.error);
for (uint i = 0; i < config.param_info.Length(); i++) {
if (config.param_info[i] == NULL) {
@@ -67,13 +85,13 @@ GRFConfig::GRFConfig(const GRFConfig &config) :
/** Cleanup a GRFConfig object. */
GRFConfig::~GRFConfig()
{
- /* GCF_COPY as in NOT strdupped/alloced the filename and info */
+ /* GCF_COPY as in NOT strdupped/alloced the filename */
if (!HasBit(this->flags, GCF_COPY)) {
free(this->filename);
- CleanUpGRFText(this->info);
delete this->error;
}
- CleanUpGRFText(this->name);
+ this->name->Release();
+ this->info->Release();
for (uint i = 0; i < this->param_info.Length(); i++) delete this->param_info[i];
}
@@ -85,7 +103,7 @@ GRFConfig::~GRFConfig()
*/
const char *GRFConfig::GetName() const
{
- const char *name = GetGRFStringFromGRFText(this->name);
+ const char *name = GetGRFStringFromGRFText(this->name->text);
return StrEmpty(name) ? this->filename : name;
}
@@ -95,7 +113,7 @@ const char *GRFConfig::GetName() const
*/
const char *GRFConfig::GetDescription() const
{
- return GetGRFStringFromGRFText(this->info);
+ return GetGRFStringFromGRFText(this->info->text);
}
/** Set the default value for all parameters as specified by action14. */
@@ -482,8 +500,12 @@ compatible_grf:
free(c->filename);
c->filename = strdup(f->filename);
memcpy(c->ident.md5sum, f->ident.md5sum, sizeof(c->ident.md5sum));
- if (c->name == NULL) c->name = DuplicateGRFText(f->name);
- if (c->info == NULL) c->info = DuplicateGRFText(f->info);
+ c->name->Release();
+ c->name = f->name;
+ c->name->AddRef();
+ c->info->Release();
+ c->info = f->name;
+ c->info->AddRef();
c->error = NULL;
c->version = f->version;
c->min_loadable_version = f->min_loadable_version;
@@ -646,7 +668,7 @@ const GRFConfig *FindGRFConfig(uint32 grfid, FindGRFConfigMode mode, const uint8
/** Structure for UnknownGRFs; this is a lightweight variant of GRFConfig */
struct UnknownGRF : public GRFIdentifier {
UnknownGRF *next;
- char name[NETWORK_GRF_NAME_LENGTH];
+ GRFTextWrapper *name;
};
/**
@@ -662,11 +684,11 @@ struct UnknownGRF : public GRFIdentifier {
* @param md5sum the MD5 checksum part of the 'unique' GRF identifier
* @param create whether to create a new GRFConfig if the GRFConfig did not
* exist in the fake list of GRFConfigs.
- * @return the GRFConfig with the given GRF ID and MD5 checksum or NULL when
- * it does not exist and create is false. This value must NEVER be
- * freed by the caller.
+ * @return The GRFTextWrapper of the name of the GRFConfig with the given GRF ID
+ * and MD5 checksum or NULL when it does not exist and create is false.
+ * This value must NEVER be freed by the caller.
*/
-char *FindUnknownGRFName(uint32 grfid, uint8 *md5sum, bool create)
+GRFTextWrapper *FindUnknownGRFName(uint32 grfid, uint8 *md5sum, bool create)
{
UnknownGRF *grf;
static UnknownGRF *unknown_grfs = NULL;
@@ -682,7 +704,10 @@ char *FindUnknownGRFName(uint32 grfid, uint8 *md5sum, bool create)
grf = CallocT<UnknownGRF>(1);
grf->grfid = grfid;
grf->next = unknown_grfs;
- strecpy(grf->name, UNKNOWN_GRF_NAME_PLACEHOLDER, lastof(grf->name));
+ grf->name = new GRFTextWrapper();
+ grf->name->AddRef();
+
+ AddGRFTextToList(&grf->name->text, UNKNOWN_GRF_NAME_PLACEHOLDER);
memcpy(grf->md5sum, md5sum, sizeof(grf->md5sum));
unknown_grfs = grf;
diff --git a/src/newgrf_config.h b/src/newgrf_config.h
index f6c97c42c..ad406a9e1 100644
--- a/src/newgrf_config.h
+++ b/src/newgrf_config.h
@@ -15,6 +15,7 @@
#include "strings_type.h"
#include "core/alloc_type.hpp"
#include "core/smallmap_type.hpp"
+#include "misc/countedptr.hpp"
/** GRF config bit flags */
enum GCF_Flags {
@@ -129,6 +130,14 @@ struct GRFParameterInfo {
void SetValue(struct GRFConfig *config, uint32 value);
};
+/** Reference counted wrapper around a GRFText pointer. */
+struct GRFTextWrapper : public SimpleCountedObject {
+ struct GRFText *text; ///< The actual text
+
+ GRFTextWrapper();
+ ~GRFTextWrapper();
+};
+
/** Information about GRF, used in the game and (part of it) in savegames */
struct GRFConfig : ZeroedMemoryAllocator {
GRFConfig(const char *filename = NULL);
@@ -138,8 +147,8 @@ struct GRFConfig : ZeroedMemoryAllocator {
GRFIdentifier ident; ///< grfid and md5sum to uniquely identify newgrfs
uint8 original_md5sum[16]; ///< MD5 checksum of original file if only a 'compatible' file was loaded
char *filename; ///< Filename - either with or without full path
- struct GRFText *name; ///< NOSAVE: GRF name (Action 0x08)
- struct GRFText *info; ///< NOSAVE: GRF info (author, copyright, ...) (Action 0x08)
+ GRFTextWrapper *name; ///< NOSAVE: GRF name (Action 0x08)
+ GRFTextWrapper *info; ///< NOSAVE: GRF info (author, copyright, ...) (Action 0x08)
GRFError *error; ///< NOSAVE: Error/Warning during GRF loading (Action 0x0B)
uint32 version; ///< NOSAVE: Version a NewGRF can set so only the newest NewGRF is shown
@@ -198,7 +207,7 @@ void ShowNewGRFSettings(bool editable, bool show_params, bool exec_changes, GRFC
#ifdef ENABLE_NETWORK
/* For communication about GRFs over the network */
#define UNKNOWN_GRF_NAME_PLACEHOLDER "<Unknown>"
-char *FindUnknownGRFName(uint32 grfid, uint8 *md5sum, bool create);
+GRFTextWrapper *FindUnknownGRFName(uint32 grfid, uint8 *md5sum, bool create);
#endif /* ENABLE_NETWORK */
#endif /* NEWGRF_CONFIG_H */
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-14 15:41:39 +0000