+++ /dev/null
-/* smallprint.c: small print routines for WIN32
-
- Copyright 1996, 1998, 2000, 2001, 2002, 2003, 2005, 2006 Red Hat, Inc.
-
-This file is part of Cygwin.
-
-This software is a copyrighted work licensed under the terms of the
-Cygwin license. Please consult the file "CYGWIN_LICENSE" for
-details. */
-
-#include "winsup.h"
-#include <stdarg.h>
-#include <stdlib.h>
-#include <ctype.h>
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-
-int __small_sprintf (char *dst, const char *fmt, ...);
-int __small_vsprintf (char *dst, const char *fmt, va_list ap);
-
-#define LLMASK (0xffffffffffffffffULL)
-#define LMASK (0xffffffff)
-
-#define rnarg(dst, base, dosign, len, pad) __rn ((dst), (base), (dosign), va_arg (ap, long), len, pad, LMASK)
-#define rnargLL(dst, base, dosign, len, pad) __rn ((dst), (base), (dosign), va_arg (ap, unsigned long long), len, pad, LLMASK)
-
-static char __fastcall *
-__rn (char *dst, int base, int dosign, long long val, int len, int pad, unsigned long long mask)
-{
- /* longest number is ULLONG_MAX, 18446744073709551615, 20 digits */
- unsigned long long uval = 0;
- char res[20];
- static const char str[16] = "0123456789ABCDEF";
- int l = 0;
-
- if (dosign && val < 0)
- {
- *dst++ = '-';
- uval = -val;
- }
- else if (dosign > 0 && val > 0)
- {
- *dst++ = '+';
- uval = val;
- }
- else
- uval = val;
-
- uval &= mask;
-
- do
- {
- res[l++] = str[uval % base];
- uval /= base;
- }
- while (uval);
-
- while (len-- > l)
- *dst++ = pad;
-
- while (l > 0)
- *dst++ = res[--l];
-
- return dst;
-}
-
-int
-__small_vsprintf (char *dst, const char *fmt, va_list ap)
-{
- char tmp[CYG_MAX_PATH + 1];
- char *orig = dst;
- const char *s;
-
- DWORD err = GetLastError ();
-
- while (*fmt)
- {
- int i, n = 0x7fff;
- if (*fmt != '%')
- *dst++ = *fmt++;
- else
- {
- int len = 0;
- char pad = ' ';
- int addsign = -1;
-
- switch (*++fmt)
- {
- case '+':
- addsign = 1;
- fmt++;
- break;
- case '%':
- *dst++ = *fmt++;
- continue;
- }
-
- for (;;)
- {
- char c = *fmt++;
- switch (c)
- {
- case '0':
- if (len == 0)
- {
- pad = '0';
- continue;
- }
- case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- len = len * 10 + (c - '0');
- continue;
- case 'l':
- continue;
- case 'c':
- {
- int c = va_arg (ap, int);
- if (c > ' ' && c <= 127)
- *dst++ = c;
- else
- {
- *dst++ = '0';
- *dst++ = 'x';
- dst = __rn (dst, 16, 0, c, len, pad, LMASK);
- }
- }
- break;
- case 'E':
- strcpy (dst, "Win32 error ");
- dst = __rn (dst + sizeof ("Win32 error"), 10, 0, err, len, pad, LMASK);
- break;
- case 'd':
- dst = rnarg (dst, 10, addsign, len, pad);
- break;
- case 'D':
- dst = rnargLL (dst, 10, addsign, len, pad);
- break;
- case 'u':
- dst = rnarg (dst, 10, 0, len, pad);
- break;
- case 'U':
- dst = rnargLL (dst, 10, 0, len, pad);
- break;
- case 'o':
- dst = rnarg (dst, 8, 0, len, pad);
- break;
- case 'p':
- *dst++ = '0';
- *dst++ = 'x';
- /* fall through */
- case 'x':
- dst = rnarg (dst, 16, 0, len, pad);
- break;
- case 'X':
- dst = rnargLL (dst, 16, 0, len, pad);
- break;
- case 'P':
- if (!GetModuleFileName (NULL, tmp, CYG_MAX_PATH))
- s = "cygwin program";
- else
- s = tmp;
- goto fillin;
- case '.':
- n = strtol (fmt, (char **) &fmt, 10);
- if (*fmt++ != 's')
- goto endfor;
- case 's':
- s = va_arg (ap, char *);
- if (s == NULL)
- s = "(null)";
- fillin:
- for (i = 0; *s && i < n; i++)
- *dst++ = *s++;
- break;
- default:
- *dst++ = '?';
- *dst++ = fmt[-1];
- }
- endfor:
- break;
- }
- }
- }
- *dst = 0;
- SetLastError (err);
- return dst - orig;
-}
-
-int
-__small_sprintf (char *dst, const char *fmt, ...)
-{
- int r;
- va_list ap;
- va_start (ap, fmt);
- r = __small_vsprintf (dst, fmt, ap);
- va_end (ap);
- return r;
-}
-
-void
-small_printf (const char *fmt, ...)
-{
- char buf[16384];
- va_list ap;
- DWORD done;
- int count;
-
-#if 0 /* Turn on to force console errors */
- extern SECURITY_ATTRIBUTES sec_none;
- HANDLE h = CreateFileA ("CONOUT$", GENERIC_READ|GENERIC_WRITE,
- FILE_SHARE_WRITE | FILE_SHARE_WRITE, &sec_none,
- OPEN_EXISTING, 0, 0);
- if (h)
- SetStdHandle (STD_ERROR_HANDLE, h);
-#endif
-
- va_start (ap, fmt);
- count = __small_vsprintf (buf, fmt, ap);
- va_end (ap);
-
- WriteFile (GetStdHandle (STD_ERROR_HANDLE), buf, count, &done, NULL);
- FlushFileBuffers (GetStdHandle (STD_ERROR_HANDLE));
-}
-
-#ifdef DEBUGGING
-static HANDLE NO_COPY console_handle = NULL;
-void
-console_printf (const char *fmt, ...)
-{
- char buf[16384];
- va_list ap;
- DWORD done;
- int count;
-
- if (!console_handle)
- console_handle = CreateFileA ("CON", GENERIC_WRITE,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL, OPEN_EXISTING, 0, 0);
-
- if (console_handle == INVALID_HANDLE_VALUE)
- console_handle = GetStdHandle (STD_ERROR_HANDLE);
-
- va_start (ap, fmt);
- count = __small_vsprintf (buf, fmt, ap);
- va_end (ap);
-
- WriteFile (console_handle, buf, count, &done, NULL);
- FlushFileBuffers (console_handle);
-}
-#endif
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