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Annotation of coherent/b/lib/libc/XSTDIO/_fputa.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * libc/stdio/_fputa.c
                      3:  * ANSI-compliant C standard i/o library internals.
                      4:  * _fputa()
                      5:  * Append character to end of file.
                      6:  * Executed on first write after seek on append mode stream.
                      7:  */
                      8: 
                      9: #include <stdio.h>
                     10: 
                     11: int
                     12: _fputa(c, fp) int c; register FILE *fp;
                     13: {
                     14:        register _FILE2 *f2p;
                     15: 
                     16: #if    _ASCII
                     17:        register int isascii;
                     18: 
                     19:        isascii = fp->_ff2 & _FASCII;
                     20: #endif
                     21:        /* Seek to end. */
                     22:        if (lseek(fileno(fp), 0L, SEEK_END) == -1L)
                     23:                return EOF;
                     24: 
                     25:        /* Restore appropriate put function pointer. */
                     26:        f2p = fp->_f2p;
                     27:        switch (fp->_mode) {
                     28: 
                     29:        case _MODE_UNINIT:
                     30:                f2p->_pt = &_fpinit;
                     31:                break;
                     32: 
                     33:        case _MODE_FBUF:
                     34: #if    _ASCII
                     35:                f2p->_pt = isascii ? &_fputba : &_fputb;
                     36: #else
                     37:                f2p->_pt = &_fputb;
                     38: #endif
                     39:                break;
                     40: 
                     41:        case _MODE_LBUF:
                     42: #if    _ASCII
                     43:                f2p->_pt = isascii ? &_fputta : &_fputt;
                     44: #else
                     45:                f2p->_pt = &_fputt;
                     46: #endif
                     47:                break;
                     48: 
                     49:        case _MODE_NBUF:
                     50: #if    _ASCII
                     51:                f2p->_pt = isascii ? &_fputca : &_fputc;
                     52: #else
                     53:                f2p->_pt = &_fputc;
                     54: #endif
                     55:                break;
                     56: 
                     57:        default:
                     58:                return EOF;                             /* should not happen */
                     59:                break;
                     60:        }
                     61: 
                     62:        /* Put the character. */
                     63:        return (*f2p->_pt)(c, fp);
                     64: }
                     65: 
                     66: /* end of libc/stdio/_fputa.c */

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