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cwFileSys.cpp : isDir(),isFile(),isLink() now automatically expands the path prior to evaluating it.

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This commit is contained in:
kevin 2023-11-19 15:54:57 -05:00
parent d4d325c413
commit 597f1ca504
1 changed files with 62 additions and 35 deletions
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97
cwFileSys.cpp
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@ -58,70 +58,97 @@ namespace cw
}
}
bool cw::filesys::isDir( const char* dirStr )
bool cw::filesys::isDir( const char* dir0 )
{
char* dir;
struct stat s;
bool result = false;
errno = 0;
if( dirStr == nullptr )
if( dir0 == nullptr )
return false;
if( stat(dirStr,&s) != 0 )
dir = expandPath(dir0);
if( stat(dir,&s) != 0 )
{
// if the dir does not exist
if( errno == ENOENT )
return false;
cwLogSysError( kOpFailRC, errno, "'stat' failed on '%s'",dirStr);
return false;
cwLogSysError( kOpFailRC, errno, "'stat' failed on '%s'",cwStringNullGuard(dir));
goto errLabel;
}
return S_ISDIR(s.st_mode);
}
result = S_ISDIR(s.st_mode);
bool cw::filesys::isFile( const char* fnStr )
{
struct stat s;
errno = 0;
if( fnStr == nullptr )
return false;
errLabel:
mem::release(dir);
if( stat(fnStr,&s) != 0 )
{
// if the file does not exist
if( errno == ENOENT )
return false;
cwLogSysError( kOpFailRC, errno, "'stat' failed on '%s'.",fnStr);
return false;
}
return S_ISREG(s.st_mode);
return result;
}
bool cw::filesys::isLink( const char* fnStr )
bool cw::filesys::isFile( const char* fn0 )
{
char* fn = nullptr;
bool result = false;
struct stat s;
errno = 0;
if( fnStr == nullptr )
return false;
if( fn0 == nullptr )
goto errLabel;
if( lstat(fnStr,&s) != 0 )
fn = expandPath(fn0);
if( stat(fn,&s) != 0 )
{
// if the file does not exist
if( errno == ENOENT )
return false;
cwLogSysError( kOpFailRC, errno, "'stat' failed on '%s'.",cwStringNullGuard(fn));
goto errLabel;
}
result = S_ISREG(s.st_mode);
errLabel:
mem::release(fn);
return result;
}
bool cw::filesys::isLink( const char* fn0 )
{
bool result = false;
char* fn = nullptr;
struct stat s;
errno = 0;
if( fn0 == nullptr )
goto errLabel;
fn = expandPath(fn0);
if( lstat(fn,&s) != 0 )
{
// if the file does not exist
if( errno == ENOENT )
return false;
cwLogSysError( kOpFailRC, errno, "'stat' failed on '%s'.",fnStr);
return false;
cwLogSysError( kOpFailRC, errno, "'stat' failed on '%s'.",cwStringNullGuard(fn));
goto errLabel;
}
return S_ISLNK(s.st_mode);
result = S_ISLNK(s.st_mode);
errLabel:
mem::release(fn);
return result;
}