Return to setvbuf.c CVS log

Up to [Research Unix] / researchv10dc / libI77 / notused

Annotation of researchv10dc/libI77/notused/setvbuf.c, revision 1.1.1.1

1.1       root        1: /*     @(#)setvbuf.c   1.2                     */
                      2: /*LINTLIBRARY*/
                      3: #include "stdio.h"
                      4: 
                      5: extern void free();
                      6: extern int isatty();
                      7: 
                      8: int
                      9: setvbuf(iop, type, buf, size)
                     10: register FILE *iop;
                     11: register int type;
                     12: register char  *buf;
                     13: register int size;
                     14: {
                     15:        char *malloc();
                     16: 
                     17:        if(iop->_base != NULL && iop->_flag & _IOMYBUF)
                     18:                free((char*)iop->_base);
                     19:        iop->_flag &= ~(_IOMYBUF | _IONBF | _IOLBF);
                     20:        switch (type)  {
                     21:            /*note that the flags are the same as the possible values for type*/
                     22:            case _IONBF:
                     23:                /* file is unbuffered */
                     24:                iop->_flag |= _IONBF;
                     25:                _bufend(iop) = iop->_base = NULL;
                     26:                break;
                     27:            case _IOLBF:
                     28:            case _IOFBF:
                     29:                iop->_flag |= type;
                     30:                size = (size == 0) ? BUFSIZ : size;
                     31:                if ((size > BUFSIZ) || (iop->_base == NULL))
                     32:                        iop->_base = (unsigned char *)
                     33:                                     malloc((unsigned)(size + 8));
                     34:                _bufend(iop) = iop->_base + size;
                     35:                break;
                     36:            default:
                     37:                return -1;
                     38:        }
                     39:        iop->_ptr = iop->_base;
                     40:        iop->_cnt = 0;
                     41:        return 0;
                     42: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.