unavailable function 'system': not available on iOS
2018-03-23 16:59
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在做更新的时候(我的是从xcode8升级到xcode9), 电脑xocde一整套完全升级。完了之后发现编译之前的程序出现
#if (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID)
#include <ftw.h>
#endif
// removeDirectory
namespace
{
#if (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID)
int unlink_cb(const char *fpath, const struct stat *sb, int typeflag,
struct FTW *ftwbuf)
{
int rv = remove(fpath);
if (rv)
perror(fpath);
return rv;
}
#endif
}
// removeDirectory :
bool FileUtils::removeDirectory(const std::string& path) {
#if !defined(CC_TARGET_OS_TVOS)
#if (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID)
if (nftw(path.c_str(), unlink_cb, 64, FTW_DEPTH | FTW_PHYS) == -1)
return false;
else
return true;
#else
std::string command = "rm -r ";
// Path may include space.
command += "\"" + path + "\"";
if (system(command.c_str()) >= 0)
return true;
else
return false;
#endif // (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID)
#else
return false;
#endif // !defined(CC_TARGET_OS_TVOS)
}
然后完美解决!!!
注意下,cocos-2dx版本不同,有的在AssetManager.cpp中也有使用到 system。此时,直接将 system(command.c_str());更换成popen(command.c_str(), "r");
unavailable function 'system': not available on iOS
原因是iOS11一将system删除,解决办法:打开CCFileUtils.cpp,中找到使用在的方法 removeDirectory(),将其注释,并替换上下面的代码:[cpp] view plain copy// #include <dirent.h>#if (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID)
#include <ftw.h>
#endif
// removeDirectory
namespace
{
#if (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID)
int unlink_cb(const char *fpath, const struct stat *sb, int typeflag,
struct FTW *ftwbuf)
{
int rv = remove(fpath);
if (rv)
perror(fpath);
return rv;
}
#endif
}
// removeDirectory :
bool FileUtils::removeDirectory(const std::string& path) {
#if !defined(CC_TARGET_OS_TVOS)
#if (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID)
if (nftw(path.c_str(), unlink_cb, 64, FTW_DEPTH | FTW_PHYS) == -1)
return false;
else
return true;
#else
std::string command = "rm -r ";
// Path may include space.
command += "\"" + path + "\"";
if (system(command.c_str()) >= 0)
return true;
else
return false;
#endif // (CC_TARGET_PLATFORM != CC_PLATFORM_ANDROID)
#else
return false;
#endif // !defined(CC_TARGET_OS_TVOS)
}
然后完美解决!!!
注意下,cocos-2dx版本不同,有的在AssetManager.cpp中也有使用到 system。此时,直接将 system(command.c_str());更换成popen(command.c_str(), "r");
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