diff options
Diffstat (limited to 'filter/filew.c')
| -rw-r--r-- | filter/filew.c | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/filter/filew.c b/filter/filew.c deleted file mode 100644 index f83399a2..00000000 --- a/filter/filew.c +++ /dev/null @@ -1,260 +0,0 @@ -#include <fitz.h> - -int -fz_printstring(fz_file *f, char *s) -{ - return fz_write(f, s, strlen(s)); -} - -int -fz_printobj(fz_file *file, fz_obj *obj, int tight) -{ - char buf[1024]; - char *ptr; - int n; - - n = fz_sprintobj(nil, 0, obj, tight); - if (n < sizeof buf) - { - fz_sprintobj(buf, sizeof buf, obj, tight); - return fz_write(file, buf, n); - } - else - { - ptr = fz_malloc(n); - if (!ptr) { - file->error = fz_outofmem; - return -1; - } - fz_sprintobj(ptr, n, obj, tight); - n = fz_write(file, ptr, n); - fz_free(ptr); - return n; - } -} - -int -fz_print(fz_file *f, char *fmt, ...) -{ - va_list ap; - char buf[1024]; - char *p; - int n; - - va_start(ap, fmt); - n = vsnprintf(buf, sizeof buf, fmt, ap); - va_end(ap); - - if (n < sizeof buf) - return fz_write(f, buf, n); - - p = fz_malloc(n); - if (!p) { - f->error = fz_outofmem; - return -1; - } - - va_start(ap, fmt); - vsnprintf(p, n, fmt, ap); - va_end(ap); - - n = fz_write(f, p, n); - - fz_free(p); - - return n; -} - -static int dowrite(fz_buffer *b, int fd) -{ - int n = write(fd, b->rp, b->wp - b->rp); - if (n == -1) - return -1; - b->rp += n; - return n; -} - -int -fz_write(fz_file *f, unsigned char *buf, int n) -{ - fz_error *reason; - int i = 0; - int x; - - assert(f->mode == FZ_WRITE); - assert(f->error == nil); - - if (!f->filter) - { - while (i < n) - { - while (f->in->wp < f->in->ep && i < n) - *f->in->wp++ = buf[i++]; - - if (f->in->wp == f->in->ep) - { - if (f->fd != -1) - { - x = dowrite(f->in, f->fd); - if (x < 0) { - f->error = fz_throw("ioerror in write: %s", strerror(errno)); - return -1; - } - } - - if (f->in->rp > f->in->bp) - f->error = fz_rewindbuffer(f->in); - else - f->error = fz_growbuffer(f->in); - if (f->error) - return -1; - } - } - - return 0; - } - - while (i < n) - { - while (f->in->wp < f->in->ep && i < n) - *f->in->wp++ = buf[i++]; - - if (f->in->wp == f->in->ep) - { - reason = fz_process(f->filter, f->in, f->out); - - if (reason == fz_ioneedin) - { - if (f->in->wp == f->in->ep) { - if (f->in->rp > f->in->bp) - f->error = fz_rewindbuffer(f->in); - else - f->error = fz_growbuffer(f->in); - if (f->error) - return -1; - } - } - - else if (reason == fz_ioneedout) - { - if (f->fd != -1) - { - x = dowrite(f->out, f->fd); - if (x < 0) { - f->error = fz_throw("ioerror in write: %s", strerror(errno)); - return -1; - } - } - - if (f->out->rp > f->out->bp) - f->error = fz_rewindbuffer(f->out); - else - f->error = fz_growbuffer(f->out); - if (f->error) - return -1; - } - - else if (reason == fz_iodone) - { - if (f->fd != -1) - { - while (f->out->rp < f->out->wp) - { - x = dowrite(f->out, f->fd); - if (x < 0) { - f->error = fz_throw("ioerror in write: %s", strerror(errno)); - return -1; - } - } - } - break; - } - - else { - f->error = reason; - return -1; - } - } - } - - return i; -} - -int -fz_flush(fz_file *f) -{ - fz_error *reason; - int n; - - assert(f->mode == FZ_WRITE); - assert(f->error == nil); - - f->in->eof = 1; - - if (!f->filter) - { - if (f->fd != -1) - { - while (f->in->rp < f->in->wp) - { - n = dowrite(f->in, f->fd); - if (n < 0) { - f->error = fz_throw("ioerror in write: %s", strerror(errno)); - return -1; - } - } - } - return 0; - } - - while (!f->out->eof) - { - reason = fz_process(f->filter, f->in, f->out); - - if (reason == fz_ioneedin) { - f->error = fz_throw("ioerror: premature eof in filter"); - return -1; - } - - else if (reason == fz_ioneedout) - { - if (f->fd != -1) - { - n = dowrite(f->out, f->fd); - if (n < 0) { - f->error = fz_throw("ioerror in write: %s", strerror(errno)); - return -1; - } - } - - if (f->out->rp > f->out->bp) - f->error = fz_rewindbuffer(f->out); - else - f->error = fz_growbuffer(f->out); - if (f->error) - return -1; - } - - else if (reason == fz_iodone) - { - if (f->fd != -1) - { - n = dowrite(f->out, f->fd); - if (n < 0) { - f->error = fz_throw("ioerror in write: %s", strerror(errno)); - return -1; - } - } - break; - } - - else - { - f->error = reason; - return -1; - } - } - - return 0; -} - |