libbb/strbuf_file: stdio emulation layer for handling with Winsock handles

not really robust, but enough to make wget works

1 files changed, 69 insertions, 0 deletions

diff --git a/include/strbuf_file.h b/include/strbuf_file.h
new file mode 100644
index 000000000..73eff9193
--- /dev/null
+++ b/include/strbuf_file.h
@@ -0,0 +1,69 @@
+#include "strbuf.h"
+
+struct strbuf_file {
+        struct strbuf input;
+        int has_error;
+        int fd;
+};
+
+struct strbuf_file *sfdopen(int fd, const char *mode);
+int sfclose(struct strbuf_file *sf);
+int sfprintf(struct strbuf_file *sf, const char *fmt, ...);
+void sfclearerr(struct strbuf_file *sf);
+int sfread(char *buf, int size, int n, struct strbuf_file *sf);
+char *sfgets(char *buf, int size, struct strbuf_file *sf);
+int sfgetc(struct strbuf_file *sf);
+
+#ifdef REPLACE_STDIO
+
+#ifdef FILE
+#undef FILE
+#endif
+#define FILE struct strbuf_file
+
+#ifdef fdopen
+#undef fdopen
+#endif
+#define fdopen(fd,mode) sfdopen(fd,mode)
+
+#ifdef fclose
+#undef fclose
+#endif
+#define fclose(fp) sfclose(fp)
+
+#ifdef fprintf
+#undef fprintf
+#endif
+#define fprintf sfprintf
+
+#ifdef fread
+#undef fread
+#endif
+#define fread(buf,s,n,fp) sfread(buf,s,n,fp)
+
+#ifdef clearerr
+#undef clearerr
+#endif
+#define clearerr(fp) sfclearerr(fp)
+
+#ifdef ferror
+#undef ferror
+#endif
+#define ferror(fp) ((fp)->has_error)
+
+#ifdef fgets
+#undef fgets
+#endif
+#define fgets(buf,n,fp) sfgets(buf,n,fp)
+
+#ifdef getc
+#undef getc
+#endif
+#define getc(fp) sfgetc(fp)
+
+#ifdef fflush
+#undef fflush
+#endif
+#define fflush(fp) 0
+
+#endif