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find home directory c++

Posted on 2003-11-30
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Last Modified: 2011-08-18
i am using curl in my program and i need to be able to find the current users home directory, here is a snippet of the curl procedure

char *headerfilename = "logfile";
FILE *headerfile;
headerfile = fopen(headerfilename,"w");
curl_easy_setopt(curl_handle,   CURLOPT_WRITEHEADER ,headerfile);

i need that headerfilename to be /home/USERNAME/logfile

any help would be great

Thanks


 
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Question by:nutterx
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4 Comments
 
LVL 24

Expert Comment

by:shivsa
ID: 9846640
u can get it from env
$HOME will be /home/USERNAME.
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Accepted Solution

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shivsa earned 540 total points
ID: 9846801
#include <stdlib.h>

char *getenv(const char *NAME);
----------------------------------------------------

char *home = getenv( "HOME" );

char path[ MAXPATH];
strcpy( path, home );
strcat( path, "/your_directory/logfile" );
fopen( path, "w" );
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LVL 24

Expert Comment

by:shivsa
ID: 9846808
or u can try this too.

char *name;
name = (char *)malloc(sizeof(char)*(PATH_MAX));
name = getcwd(name,PATH_MAX);

BTW: PATH_MAX is found in sys/types.h

also to leart more about getcwd use man getcwd.
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Author Comment

by:nutterx
ID: 9846896
thanks shivsa
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