Writing to A NON-Existing File in "C"
Larry McVoy
lm at arizona.edu
Wed Apr 6 17:28:12 AEST 1988
In article <9654 at jplgodo.UUCP> deutsch at jplgodo.UUCP (Michael Deutsch ) writes:
>
>I have a "C" program that records the program
>results into a file, provided that file already
>exists. In case the file DOES NOT exist I want
>the program to function identically but the results
>should be flushed down the tube, i.e. nowhere
------ UNTESTED! -------
If you are using FILE*
# include <stdio.h>
# include <sys/types.h>
# include <sys/stat.h>
FILE* myopen(name)
char* name;
{
struct stat buf;
extern errno;
if (stat(name, &buf) == -1 && errno == ENOENT)
return fopen("/dev/null", "w");
else
return fopen(name, "w");
}
Else
myopen(name)
char* name;
{
struct stat buf;
extern errno;
if (stat(name, &buf) == -1 && errno == ENOENT)
return open("/dev/null", 1);
else
return open(name, 1);
}
How's that?
--
"These aren't my thoughts, they're my cat walking on the keyboard."
Larry McVoy lm at arizona.edu or ...!{uwvax,sun}!arizona.edu!lm
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