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Old 04-22-2006, 11:35 PM   #1
kornerr
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C/C++ functions similar to BASH's "cp", "mv", "mkdir", etc?


I need to "mkdir" and "cp" from within an app. And this app must be cross-platform, that's why system ("mkdir ..."); doesn't suit me.
Any suggestion?

Thanks.

PS: The app is built upon wxWidgets lib.
 
Old 04-23-2006, 12:23 AM   #2
ataraxia
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There is a "mkdir" system call:
Code:
#include <sys/stat.h>
#include <sys/types.h>

int mkdir(const char *pathname, mode_t mode);
For "cp" you will probably have to open the source file ("fopen"), create the destination file ("creat"), and copy the file contents ("fread" and "fwrite").
 
Old 04-23-2006, 12:31 AM   #3
kornerr
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Thanks, ataraxia.

I also need a "mv" function

Thanks.
 
Old 04-23-2006, 12:35 AM   #4
ataraxia
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Quote:
Originally Posted by kornerr
I also need a "mv" function
Just do the "cp" stuff and then "unlink" the old file:
Code:
#include <unistd.h>

int unlink(const char *pathname);
 
Old 04-23-2006, 01:07 AM   #5
addy86
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Quote:
Originally Posted by ataraxia
Just do the "cp" stuff and then "unlink" the old file:
Better use rename(2).
 
Old 04-23-2006, 05:05 AM   #6
kornerr
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Thanks, ataraxia, addy86.
The last thing I need is "rmdir". Does unlink suit me?

Thanks.
 
Old 04-23-2006, 05:40 AM   #7
addy86
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No. Don't call unlink() on directories; use rmdir(2) instead. Better yet, use remove(3).
 
Old 04-23-2006, 05:42 AM   #8
kornerr
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Thanks, addy86.
 
Old 04-23-2006, 07:41 AM   #9
kornerr
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Well, "remove" calls "rmdir" when removing dirs. But "rmdir" removes dirs only when they're empty.
Is there a way to delete a dir with all the files it contains?

Thanks.
 
Old 04-23-2006, 08:49 AM   #10
addy86
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You have to recursively delete the directory: delete any files you find in them; when you find a directory, recursively delete it, and so on.
http://www.cs.cf.ac.uk/Dave/C/node20.html
 
Old 04-23-2006, 09:48 AM   #11
kornerr
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Thanks, addy86.
 
  


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