fflush()? fscanf() fgets() problem.
Darwin Ling
darwinl at alliance.uucp
Wed Jun 5 02:25:58 AEST 1991
In article <456 at equinox.unr.edu> whitbeck at sanjuan.UUCP (Mike Whitbeck) writes:
>I have a problem using fscanf() and fgets() and was wondering
>if it had something to do with fflush() {I guess I just don't
>know what fflush() is for!}
>
>I open a file
> fp = fopen("file","r");
>
>and then I read some stuff
> fscanf(fp,"%f\n",&fv);
>then later I try to suck in a line as a text string
> fgets(str,n,fp);
>Elsewhere I have used fgets() to read in a line
>but here it fails! (gets only the first 'word' (whitespace
>delimited) from the line.
>As a workaround I use a loop
> for (...) {
> fscanf(fp,"%s",dummy);
> strcat(line," ");
> strcat(line,dummy);
> }
>ICK!
>
>What's going on here? Is fscanf() known to mess up fgets()? or
>is this unique to me? [I am using a SUN 3/80].
>
>HELP!
One possible problem is that your buffer's size , namely str's size, may
not be big enough to store all the characters that you read from the file...
Make sure you have allocated enough memory for str...
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Darwin Ling
Alliance Technologies , Inc
Advanced Development group
uunet : uunet!alliance!darwinl
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