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int file_isfile(const char *zFilename){
struct stat buf;
if( stat(zFilename, &buf)!=0 ){
return 0;
}
return S_ISREG(buf.st_mode);
}
/*
** Return TRUE if the named file is an executable. Return false
** for directories, devices, fifos, symlinks, etc.
*/
int file_isexe(const char *zFilename){
struct stat buf;
if( stat(zFilename, &buf)!=0 ){
return 0;
}
return ((S_IXUSR|S_IXGRP|S_IXOTH)&buf.st_mode)!=0;
}
/*
** Set or clear the execute bit on a file.
*/
void file_setexe(const char *zFilename, int onoff){
#ifndef __MINGW32__
struct stat buf;
if( stat(zFilename, &buf)!=0 ) return;
if( onoff ){
if( (buf.st_mode & 0111)==0 ){
chmod(zFilename, buf.st_mode | 0111);
}
}else{
if( (buf.st_mode & 0111)!=0 ){
chmod(zFilename, buf.st_mode & ~0111);
}
}
#endif
}
/*
** Return 1 if zFilename is a directory. Return 0 if zFilename
** does not exist. Return 2 if zFilename exists but is something
** other than a directory.
*/
int file_isdir(const char *zFilename){
struct stat buf;
if( stat(zFilename, &buf)!=0 ){
return 0;
}
return S_ISDIR(buf.st_mode) ? 1 : 2;
}
/*
** Find both the size and modification time of a file. Return
** the number of errors.
*/
int file_size_and_mtime(const char *zFilename, i64 *size, i64 *mtime){
struct stat buf;
if( stat(zFilename, &buf)!=0 ){
return 1;
}
*size = buf.st_size;
*mtime = buf.st_mtime;
return 0;
}
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