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Add C++ version of the function GetFilesize()

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This commit is contained in:
Stas Degteff 2011-02-17 19:51:28 +00:00
parent 08e43413cf
commit 75e84ece09
2 changed files with 24 additions and 2 deletions
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8
goldlib/gall/gfilutil.h
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@ -179,10 +179,14 @@ inline time32_t GetFiletime(const std::string& file) { return GetFiletime(file.c
inline long FiletimeCmp(const char* file1, const char* file2) { return long(GetFiletime(file1) - GetFiletime(file2)); }
inline long FiletimeCmp(const std::string& file1, const std::string& file2) { return FiletimeCmp(file1.c_str(), file2.c_str()); }
// Get size of open file
// Get size of open file handle
long fsize(FILE* fp);
// Get size of file
// Get size of disk file. Return values:
// positive number or zero - size of file,
// negative number - error (and error code is stored in errno)
long GetFilesize(const char* file);
long GetFilesize(const std::string& filename);
// Add path to filename if no path is present. Uses static string and don't chech size of 'path', be careful!
const char* AddPath(const char* path, const char* file);

18
goldlib/gall/gfilutl2.cpp
View File

@ -62,6 +62,24 @@ std::string& StripBackslash(std::string& p) {
return p;
}
// ------------------------------------------------------------------
// Get size of file. Return values:
// positive number or zero - size of file,
// negative number - error (and error code is stored in errno)
long GetFilesize(const std::string& filename) {
if(filename.empty()) {
errno = EINVAL;
return -1;
}
struct stat info;
if(stat(filename.c_str(), &info) == 0)
return info.st_size;
return -1;
}
// ------------------------------------------------------------------
// Add path to filename, if no path is set. Don't chech size of 'path', be careful!