#include <msvcrt/io.h>
#include <msvcrt/errno.h>
-int cntcr(char *bufp, int bufsiz);
-int convert(char *endp, int bufsiz,int n);
-int _writecnv(int fn, void *buf, size_t bufsiz);
-
-int
-_flsbuf(int c, FILE *f)
-{
- char *base;
- int n, rn;
- char c1;
- int size;
-
+int cntcr(char* bufp, int bufsiz);
+int convert(char* endp, int bufsiz, int n);
+int _writecnv(int fn, void* buf, size_t bufsiz);
- if (!OPEN4WRITING(f)) {
- __set_errno (EINVAL);
- return EOF;
- }
-// no file associated with buffer
-// this is a memory stream
-
- if ( fileno(f) == -1 )
- return c;
+int _flsbuf(int c, FILE* f)
+{
+ char* base;
+ int n, rn;
+ char c1;
+ int size;
+
+ if (!OPEN4WRITING(f)) {
+ __set_errno(EINVAL);
+ return EOF;
+ }
- /* if the buffer is not yet allocated, allocate it */
- if ((base = f->_base) == NULL && (f->_flag & _IONBF) == 0)
- {
- size = 4096;
- if ((f->_base = base = malloc (size)) == NULL)
- {
- f->_flag |= _IONBF;
- f->_flag &= ~(_IOFBF|_IOLBF);
+ // no file associated with buffer, this is a memory stream
+ if (fileno(f) == -1) {
+ return c;
}
- else
- {
- f->_flag |= _IOMYBUF;
- f->_cnt = f->_bufsiz = size;
- f->_ptr = base;
- rn = 0;
- if (f == stdout && isatty (fileno (stdout)))
- f->_flag |= _IOLBF;
+
+ /* if the buffer is not yet allocated, allocate it */
+ if ((base = f->_base) == NULL && (f->_flag & _IONBF) == 0) {
+ size = 4096;
+ if ((f->_base = base = malloc(size)) == NULL) {
+ f->_flag |= _IONBF;
+ f->_flag &= ~(_IOFBF|_IOLBF);
+ } else {
+ f->_flag |= _IOMYBUF;
+ f->_cnt = f->_bufsiz = size;
+ f->_ptr = base;
+ rn = 0;
+ if (f == stdout && isatty(fileno(stdout))) {
+ f->_flag |= _IOLBF;
+ }
+ }
}
- }
- if (f->_flag & _IOLBF)
- {
- /* in line-buffering mode we get here on each character */
- *f->_ptr++ = c;
- rn = f->_ptr - base;
- if (c == '\n' || rn >= f->_bufsiz)
- {
- /* time for real flush */
- f->_ptr = base;
- f->_cnt = 0;
+ if (f->_flag & _IOLBF) {
+ /* in line-buffering mode we get here on each character */
+ *f->_ptr++ = c;
+ rn = f->_ptr - base;
+ if (c == '\n' || rn >= f->_bufsiz) {
+ /* time for real flush */
+ f->_ptr = base;
+ f->_cnt = 0;
+ } else {
+ /* we got here because _cnt is wrong, so fix it */
+ /* Negative _cnt causes all output functions to call */
+ /* _flsbuf for each character, thus realizing line-buffering */
+ f->_cnt = -rn;
+ return c;
+ }
+ } else if (f->_flag & _IONBF) {
+ c1 = c;
+ rn = 1;
+ base = &c1;
+ f->_cnt = 0;
+ } else { /* _IOFBF */
+ rn = f->_ptr - base;
+ f->_ptr = base;
+ if ((f->_flag & _IOAHEAD) == _IOAHEAD)
+ _lseek(fileno(f), -(rn+f->_cnt), SEEK_CUR);
+ f->_cnt = f->_bufsiz;
+ f->_flag &= ~_IOAHEAD;
}
- else
- {
- /* we got here because _cnt is wrong, so fix it */
- /* Negative _cnt causes all output functions
- to call _flsbuf for each character, thus realizing line-buffering */
- f->_cnt = -rn;
- return c;
+ f->_flag &= ~_IODIRTY;
+ while (rn > 0) {
+ n = _write(fileno(f), base, rn);
+ if (n <= 0) {
+ f->_flag |= _IOERR;
+ return EOF;
+ }
+ rn -= n;
+ base += n;
}
- }
- else if (f->_flag & _IONBF)
- {
- c1 = c;
- rn = 1;
- base = &c1;
- f->_cnt = 0;
- }
- else /* _IOFBF */
- {
- rn = f->_ptr - base;
- f->_ptr = base;
- if ( (f->_flag & _IOAHEAD) == _IOAHEAD )
- _lseek(fileno(f),-(rn+f->_cnt), SEEK_CUR);
- f->_cnt = f->_bufsiz;
- f->_flag &= ~_IOAHEAD;
- }
-
-
-
- f->_flag &= ~_IODIRTY;
- while (rn > 0)
- {
- n = _write(fileno(f), base, rn);
- if (n <= 0)
- {
- f->_flag |= _IOERR;
- return EOF;
+ if ((f->_flag & (_IOLBF|_IONBF)) == 0) {
+ f->_cnt--;
+ *f->_ptr++ = c;
}
- rn -= n;
- base += n;
- }
-
-
- if ((f->_flag&(_IOLBF|_IONBF)) == 0)
- {
- f->_cnt--;
- *f->_ptr++ = c;
- }
- return c;
+ return c;
}
-wint_t _flswbuf(wchar_t c,FILE *fp)
+wint_t _flswbuf(wchar_t c, FILE* fp)
{
- return (wint_t )_flsbuf((int)c,fp);
-}
+ int result;
+ result = _flsbuf((int)c, fp);
+ if (result == EOF)
+ return WEOF;
+ return (wint_t)result;
+}
-int _writecnv(int fn, void *buf, size_t siz)
+int _writecnv(int fn, void* buf, size_t siz)
{
- char *bufp = (char *)buf;
- int bufsiz = siz;
-
- char *tmp;
- int cr1 = 0;
- int cr2 = 0;
-
- int n;
-
-
- cr1 = cntcr(bufp,bufsiz);
-
- tmp = malloc(cr1);
- memcpy(tmp,bufp+bufsiz-cr1,cr1);
- cr2 = cntcr(tmp,cr1);
-
- convert(bufp,bufsiz-cr2,cr1-cr2);
- n = _write(fn, bufp, bufsiz + cr1);
-
- convert(tmp,cr1,cr2);
- n += _write(fn, tmp, cr1 + cr2);
- free(tmp);
- return n;
-
-
+ char* bufp = (char*)buf;
+ int bufsiz = siz;
+ char* tmp;
+ int cr1 = 0;
+ int cr2 = 0;
+ int n;
+
+ cr1 = cntcr(bufp, bufsiz);
+ tmp = malloc(cr1);
+ memcpy(tmp, bufp + bufsiz - cr1, cr1);
+ cr2 = cntcr(tmp, cr1);
+ convert(bufp, bufsiz - cr2, cr1 - cr2);
+ n = _write(fn, bufp, bufsiz + cr1);
+ convert(tmp, cr1, cr2);
+ n += _write(fn, tmp, cr1 + cr2);
+ free(tmp);
+ return n;
}
-int convert(char *endp, int bufsiz,int n)
-{
- endp = endp + bufsiz + n;
- while (bufsiz > 0) {
- *endp = *(endp - n);
- if (*endp == '\n') {
- *endp--;
- n--;
- *endp = '\r';
- }
- endp--;
- bufsiz--;
- }
- return n;
+int convert(char* endp, int bufsiz, int n)
+{
+ endp = endp + bufsiz + n;
+ while (bufsiz > 0) {
+ *endp = *(endp - n);
+ if (*endp == '\n') {
+ *endp--;
+ n--;
+ *endp = '\r';
+ }
+ endp--;
+ bufsiz--;
+ }
+ return n;
}
-int cntcr(char *bufp, int bufsiz)
-{
- int cr = 0;
- while (bufsiz > 0) {
- if (*bufp == '\n')
- cr++;
- bufp++;
- bufsiz--;
- }
- return cr;
+int cntcr(char* bufp, int bufsiz)
+{
+ int cr = 0;
+
+ while (bufsiz > 0) {
+ if (*bufp == '\n') {
+ cr++;
+ }
+ bufp++;
+ bufsiz--;
+ }
+ return cr;
}
git://git.jankratochvil.net / reactos.git / blobdiff