static inline RIODesc *__getioplugin(RIO *io, const char *uri, int flags, int mode) { RIOPlugin *plugin, *iop = NULL; RIODesc *desc = NULL; for (;;) { plugin = r_io_plugin_resolve (io, uri); if (plugin && plugin->open) { desc = plugin->open (io, uri, flags, mode); if (io->redirect) { uri = io->redirect; r_io_redirect (io, NULL); continue; } if (desc != NULL) { r_io_desc_add (io, desc); if (desc->fd != -1) r_io_plugin_open (io, desc->fd, plugin); if (desc != io->fd) iop = plugin; } } break; } io->plugin = iop; return desc; }
R_API RIODesc *r_io_open(struct r_io_t *io, const char *file, int flags, int mode) { RIODesc *desc = NULL; int fd = -2; char *uri = strdup (file); struct r_io_plugin_t *plugin; if (!io) return NULL; for (;;) { plugin = r_io_plugin_resolve (io, uri); if (plugin && plugin->open) { desc = plugin->open (io, uri, flags, mode); if (io->redirect) { free ((void *)uri); uri = strdup (io->redirect); r_io_redirect (io, NULL); continue; } if (desc != NULL) { r_io_desc_add (io, desc); fd = desc->fd; if (fd != -1) r_io_plugin_open (io, fd, plugin); if (desc != io->fd) io->plugin = plugin; } } break; } if (fd == -2) { #if __WINDOWS__ if (flags & R_IO_WRITE) { fd = open (file, O_BINARY | 1); if (fd == -1) creat (file, O_BINARY); fd = open (file, O_BINARY | 1); } else fd = open (file, O_BINARY); #else fd = open (file, (flags&R_IO_WRITE)?O_RDWR:O_RDONLY, mode); #endif } if (fd >= 0) { if (desc == NULL) desc = r_io_desc_new (io->plugin, fd, file, flags, mode, NULL); r_io_desc_add (io, desc); r_io_set_fd (io, desc); } free ((void *)uri); return desc; }