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* io.c (rb_io_fwrite): separated from io_write().

Browse source 
* marshal.c (w_byten): use rb_io_fwrite() to support non-blocking
  IO, and added error check.

* rubyio.h: prototypes; rb_io_fwrite


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3191 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2002-12-20 09:29:41 +00:00
parent 96d28f71d9
commit 5b615c70eb
4 changed files with 45 additions and 24 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
Fri Dec 20 18:29:04 2002 Nobuyoshi Nakada <nobu.nokada@softhome.net>
* io.c (rb_io_fwrite): separated from io_write().
* marshal.c (w_byten): use rb_io_fwrite() to support non-blocking
IO, and added error check.
* rubyio.h: prototypes; rb_io_fwrite
Fri Dec 20 17:40:59 2002 Yukihiro Matsumoto <matz@ruby-lang.org>
* object.c (Init_Object): should not remove Class#allocate.

56
io.c
View file

@ -363,14 +363,43 @@ rb_io_wait_writable(f)
}
/* writing functions */
long
rb_io_fwrite(ptr, len, f)
const char *ptr;
long len;
FILE *f;
{
long n, r;
if ((n = len) <= 0) return n;
#ifdef __human68k__
do {
if (fputc(*ptr++, f) == EOF) {
if (ferror(f)) return -1L;
break;
}
} while (--n > 0);
#else
while (ptr += (r = fwrite(ptr, 1, n, f)), (n -= r) > 0) {
if (ferror(f)) {
if (rb_io_wait_writable(fileno(f))) {
clearerr(f);
continue;
}
return -1L;
}
}
#endif
return len - n;
}
static VALUE
io_write(io, str)
VALUE io, str;
{
OpenFile *fptr;
FILE *f;
long n, r;
register char *ptr;
long n;
rb_secure(4);
if (TYPE(str) != T_STRING)
@ -386,27 +415,8 @@ io_write(io, str)
rb_io_check_writable(fptr);
f = GetWriteFile(fptr);
ptr = RSTRING(str)->ptr;
n = RSTRING(str)->len;
#ifdef __human68k__
do {
if (fputc(*ptr++, f) == EOF) {
if (ferror(f)) rb_sys_fail(fptr->path);
break;
}
} while (--n > 0);
#else
while (ptr += (r = fwrite(ptr, 1, n, f)), (n -= r) > 0) {
if (ferror(f)) {
if (rb_io_wait_writable(fileno(f))) {
clearerr(f);
continue;
}
rb_sys_fail(fptr->path);
}
}
#endif
n = ptr - RSTRING(str)->ptr;
n = rb_io_fwrite(RSTRING(str)->ptr, RSTRING(str)->len, f);
if (n == -1L) rb_sys_fail(fptr->path);
if (fptr->mode & FMODE_SYNC) {
io_fflush(f, fptr);
}

3
marshal.c
View file

@ -102,7 +102,8 @@ w_byten(s, n, arg)
struct dump_arg *arg;
{
if (arg->fp) {
fwrite(s, 1, n, arg->fp);
if (rb_io_fwrite(s, n, arg->fp) < 0)
rb_sys_fail(0);
}
else {
VALUE buf = arg->str;

1
rubyio.h
View file

@ -59,6 +59,7 @@ FILE *rb_fopen _((const char*, const char*));
FILE *rb_fdopen _((int, const char*));
int rb_getc _((FILE*));
long rb_io_fread _((char *, long, FILE *));
long rb_io_fwrite _((const char *, long, FILE *));
int rb_io_mode_flags _((const char*));
void rb_io_check_writable _((OpenFile*));
void rb_io_check_readable _((OpenFile*));