From d004b047838a7e803818b4973a2e39e0ff8c1fa2 Mon Sep 17 00:00:00 2001 From: Mark Adler Date: Fri, 9 Sep 2011 23:26:49 -0700 Subject: zlib 1.2.3.5 --- minigzip.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 65 insertions(+), 1 deletion(-) (limited to 'minigzip.c') diff --git a/minigzip.c b/minigzip.c index 79bafa4..e74d672 100644 --- a/minigzip.c +++ b/minigzip.c @@ -1,5 +1,5 @@ /* minigzip.c -- simulate gzip using the zlib compression library - * Copyright (C) 1995-2006 Jean-loup Gailly. + * Copyright (C) 1995-2006, 2010 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -54,6 +54,70 @@ extern int unlink OF((const char *)); #endif +#if defined(UNDER_CE) && defined(NO_ERRNO_H) +# include +# define perror(s) pwinerror(s) + +/* Map the Windows error number in ERROR to a locale-dependent error + message string and return a pointer to it. Typically, the values + for ERROR come from GetLastError. + + The string pointed to shall not be modified by the application, + but may be overwritten by a subsequent call to strwinerror + + The strwinerror function does not change the current setting + of GetLastError. */ + +static char *strwinerror (error) + DWORD error; +{ + static char buf[1024]; + + wchar_t *msgbuf; + DWORD lasterr = GetLastError(); + DWORD chars = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM + | FORMAT_MESSAGE_ALLOCATE_BUFFER, + NULL, + error, + 0, /* Default language */ + (LPVOID)&msgbuf, + 0, + NULL); + if (chars != 0) { + /* If there is an \r\n appended, zap it. */ + if (chars >= 2 + && msgbuf[chars - 2] == '\r' && msgbuf[chars - 1] == '\n') { + chars -= 2; + msgbuf[chars] = 0; + } + + if (chars > sizeof (buf) - 1) { + chars = sizeof (buf) - 1; + msgbuf[chars] = 0; + } + + wcstombs(buf, msgbuf, chars + 1); + LocalFree(msgbuf); + } + else { + sprintf(buf, "unknown win32 error (%ld)", error); + } + + SetLastError(lasterr); + return buf; +} + +static void pwinerror (s) + const char *s; +{ + if (s && *s) + fprintf(stderr, "%s: %s\n", s, strwinerror(GetLastError ())); + else + fprintf(stderr, "%s\n", strwinerror(GetLastError ())); +} + +#endif /* UNDER_CE && NO_ERRNO_H */ + #ifndef GZ_SUFFIX # define GZ_SUFFIX ".gz" #endif -- cgit v1.2.3-55-g6feb