diff options
author | ocean <ocean@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-07-25 02:08:12 +0000 |
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committer | ocean <ocean@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-07-25 02:08:12 +0000 |
commit | c5cd2349e9293139182605fd67b3d0cf6570b853 (patch) | |
tree | 46163874368ca6cf443e7286774156243efaf8e7 /win32/win32.c | |
parent | dfee36e55599d5735bf646efdabc3b9356189957 (diff) |
* win32/win32.{h,c} (rb_w32_{f,fd,fs}open): workaround for bcc32's
{f,fd,fs}open bug. set errno EMFILE and EBADF. [ruby-dev:23963]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@6696 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'win32/win32.c')
-rw-r--r-- | win32/win32.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/win32/win32.c b/win32/win32.c index ac97b201e9..df16c8dbc9 100644 --- a/win32/win32.c +++ b/win32/win32.c @@ -3277,3 +3277,55 @@ rb_w32_snprintf(char *buf, size_t size, const char *format, ...) va_end(va); return ret; } + +// +// Fix bcc32's stdio bug +// + +#ifdef __BORLANDC__ +static int +too_many_files() +{ + FILE *f; + for (f = _streams; f < _streams + _nfile; f++) { + if (f->fd < 0) return 0; + } + return 1; +} + +#undef fopen +FILE * +rb_w32_fopen(const char *path, const char *mode) +{ + FILE *f = (errno = 0, fopen(path, mode)); + if (f == NULL && errno == 0) { + if (too_many_files()) + errno = EMFILE; + } + return f; +} + +FILE * +rb_w32_fdopen(int handle, char *type) +{ + FILE *f = (errno = 0, _fdopen(handle, type)); + if (f == NULL && errno == 0) { + if (handle < 0) + errno = EBADF; + else if (too_many_files()) + errno = EMFILE; + } + return f; +} + +FILE * +rb_w32_fsopen(const char *path, const char *mode, int shflags) +{ + FILE *f = (errno = 0, _fsopen(path, mode, shflags)); + if (f == NULL && errno == 0) { + if (too_many_files()) + errno = EMFILE; + } + return f; +} +#endif |