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Annotation of 43BSD/contrib/icon/rt/getstr.c, revision 1.1

1.1     ! root        1: #include <stdio.h>
        !             2: 
        !             3: /*
        !             4:  * getstr - read a line into buf from file fd.  At most max characters
        !             5:  *  are read.  getstr returns the length of the line, not counting
        !             6:  *  the newline.  Note that if a file doesn't end in a newline, the
        !             7:  *  characters between the last newline and the end of the file
        !             8:  *  are never seen.
        !             9:  */
        !            10: 
        !            11: getstr(buf, max, fd)
        !            12: register char *buf;
        !            13: int max;
        !            14: FILE *fd;
        !            15:    {
        !            16:    register int c, l;
        !            17: 
        !            18:    l = 0;
        !            19:    while ((c = getc(fd)) != '\n') {
        !            20:       if (c == EOF)
        !            21:          return -1;
        !            22:       *buf++ = c;
        !            23:       if (++l >= max)
        !            24:          break;
        !            25:       }
        !            26:    return l;
        !            27:    }

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