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Annotation of 43BSDTahoe/usr.lib/libpc/PFCLOSE.c, revision 1.1.1.1

1.1       root        1: /* Copyright (c) 1982 Regents of the University of California */
                      2: 
                      3: static char sccsid[] = "@(#)PFCLOSE.c  1.3     (Berkeley)      1/21/83";
                      4: 
                      5: /*
                      6:  * Close a Pascal file deallocating resources as appropriate.
                      7:  */
                      8: 
                      9: #include "h00vars.h"
                     10: #include "libpc.h"
                     11: 
                     12: struct iorec *
                     13: PFCLOSE(filep, lastuse)
                     14:        register struct iorec *filep;
                     15:        bool lastuse;
                     16: {
                     17:        if ((filep->funit & FDEF) == 0 && filep->fbuf != NULL) {
                     18:                /*
                     19:                 * Have a previous buffer, close associated file.
                     20:                 */
                     21:                if (filep->fblk > PREDEF) {
                     22:                        fflush(filep->fbuf);
                     23:                        setbuf(filep->fbuf, NULL);
                     24:                }
                     25:                fclose(filep->fbuf);
                     26:                if (ferror(filep->fbuf)) {
                     27:                        ERROR("%s: Close failed\n", filep->pfname);
                     28:                        return;
                     29:                }
                     30:                /*
                     31:                 * Temporary files are discarded.
                     32:                 */
                     33:                if ((filep->funit & TEMP) != 0 && lastuse &&
                     34:                    unlink(filep->pfname)) {
                     35:                        PERROR("Could not remove ", filep->pfname);
                     36:                        return;
                     37:                }
                     38:        }
                     39:        _actfile[filep->fblk] = FILNIL;
                     40:        return (filep->fchain);
                     41: }

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