zip_source_file_win32.h File Reference

#include <windows.h>
#include <aclapi.h>
#include <stdlib.h>
#include "zipint.h"
#include "zip_source_file.h"

Go to the source code of this file.

Classes
struct	zip_win32_file_operations

Macros
#define	_WIN32_WINNT   0x0501

Typedefs
typedef struct zip_win32_file_operations	zip_win32_file_operations_t

Functions
void	_zip_win32_op_close (zip_source_file_context_t *ctx)
zip_int64_t	_zip_win32_op_read (zip_source_file_context_t *ctx, void *buf, zip_uint64_t len)
bool	_zip_win32_op_seek (zip_source_file_context_t *ctx, void *f, zip_int64_t offset, int whence)
zip_int64_t	_zip_win32_op_tell (zip_source_file_context_t *ctx, void *f)
bool	_zip_filetime_to_time_t (FILETIME ft, time_t *t)
int	_zip_win32_error_to_errno (DWORD win32err)

Variables
zip_source_file_operations_t	_zip_source_file_win32_named_ops

Macro Definition Documentation

_WIN32_WINNT

#define _WIN32_WINNT   0x0501

Definition at line 39 of file zip_source_file_win32.h.

Typedef Documentation

zip_win32_file_operations_t

typedef struct zip_win32_file_operations zip_win32_file_operations_t

Definition at line 1 of file zip_source_file_win32.h.

Function Documentation

_zip_filetime_to_time_t()

bool _zip_filetime_to_time_t	(	FILETIME	ft,
		time_t *	t
	)

Definition at line 213 of file zip_source_file_win32.c.

                                                {
    /*
    Inspired by http://stackoverflow.com/questions/6161776/convert-windows-filetime-to-second-in-unix-linux
    */
    const zip_int64_t WINDOWS_TICK = 10000000LL;
    const zip_int64_t SEC_TO_UNIX_EPOCH = 11644473600LL;
    ULARGE_INTEGER li;
    zip_int64_t secs;
    time_t temp;
 
    li.LowPart = ft.dwLowDateTime;
    li.HighPart = ft.dwHighDateTime;
    secs = (li.QuadPart / WINDOWS_TICK - SEC_TO_UNIX_EPOCH);
 
    temp = (time_t)secs;
    if (secs != (zip_int64_t)temp) {
        return false;
    }
 
    *t = temp;
    return true;
}

Referenced by _zip_stat_win32(), and _zip_win32_named_op_stat().

_zip_win32_error_to_errno()

int _zip_win32_error_to_errno

(

DWORD

win32err

)

Definition at line 153 of file zip_source_file_win32.c.

                                          {
    /* Note: This list isn't exhaustive, but should cover common cases. */
    switch (win32err) {
    case ERROR_INVALID_PARAMETER:
        return EINVAL;
    case ERROR_FILE_NOT_FOUND:
    case ERROR_PATH_NOT_FOUND:
        return ENOENT;
    case ERROR_INVALID_HANDLE:
        return EBADF;
    case ERROR_ACCESS_DENIED:
        return EACCES;
    case ERROR_FILE_EXISTS:
        return EEXIST;
    case ERROR_TOO_MANY_OPEN_FILES:
        return EMFILE;
    case ERROR_DISK_FULL:
        return ENOSPC;
    default:
        return 10000 + win32err;
    }
}

References EACCES, EBADF, EEXIST, EINVAL, EMFILE, ENOENT, and ENOSPC.

Referenced by _zip_stat_win32(), _zip_win32_named_op_commit_write(), _zip_win32_named_op_create_temp_output(), _zip_win32_named_op_remove(), _zip_win32_named_op_stat(), _zip_win32_named_op_write(), _zip_win32_op_read(), _zip_win32_op_seek(), _zip_win32_op_tell(), and win32_named_open().

_zip_win32_op_close()

void _zip_win32_op_close

(

zip_source_file_context_t *

ctx

)

Definition at line 82 of file zip_source_file_win32.c.

                                                    {
    CloseHandle((HANDLE)ctx->f);
}

References HANDLE.

_zip_win32_op_read()

zip_int64_t _zip_win32_op_read	(	zip_source_file_context_t *	ctx,
		void *	buf,
		zip_uint64_t	len
	)

Definition at line 88 of file zip_source_file_win32.c.

                                                                                {
    DWORD i;
 
    /* TODO: cap len to "DWORD_MAX" */
    if (!ReadFile((HANDLE)ctx->f, buf, (DWORD)len, &i, NULL)) {
        zip_error_set(&ctx->error, ZIP_ER_READ, _zip_win32_error_to_errno(GetLastError()));
        return -1;
    }
 
    return (zip_int64_t)i;
}

References _zip_win32_error_to_errno(), DWORD, ctx::error, HANDLE, i, len, NULL, ZIP_ER_READ, and zip_error_set().

_zip_win32_op_seek()

bool _zip_win32_op_seek	(	zip_source_file_context_t *	ctx,
		void *	f,
		zip_int64_t	offset,
		int	whence
	)

Definition at line 102 of file zip_source_file_win32.c.

                                                                                            {
    LARGE_INTEGER li;
    DWORD method;
 
    switch (whence) {
    case SEEK_SET:
        method = FILE_BEGIN;
        break;
    case SEEK_END:
        method = FILE_END;
        break;
    case SEEK_CUR:
        method = FILE_CURRENT;
        break;
    default:
        zip_error_set(&ctx->error, ZIP_ER_SEEK, EINVAL);
        return false;
    }
 
    li.QuadPart = (LONGLONG)offset;
    if (!SetFilePointerEx((HANDLE)f, li, NULL, method)) {
        zip_error_set(&ctx->error, ZIP_ER_SEEK, _zip_win32_error_to_errno(GetLastError()));
        return false;
    }
 
    return true;
}

References _zip_win32_error_to_errno(), DWORD, EINVAL, ctx::error, f, HANDLE, NULL, SEEK_CUR, SEEK_END, SEEK_SET, ZIP_ER_SEEK, and zip_error_set().

_zip_win32_op_tell()

zip_int64_t _zip_win32_op_tell	(	zip_source_file_context_t *	ctx,
		void *	f
	)

Definition at line 138 of file zip_source_file_win32.c.

                                                            {
    LARGE_INTEGER zero;
    LARGE_INTEGER new_offset;
 
    zero.QuadPart = 0;
    if (!SetFilePointerEx((HANDLE)f, zero, &new_offset, FILE_CURRENT)) {
        zip_error_set(&ctx->error, ZIP_ER_SEEK, _zip_win32_error_to_errno(GetLastError()));
        return -1;
    }
 
    return (zip_int64_t)new_offset.QuadPart;
}

References _zip_win32_error_to_errno(), ctx::error, f, HANDLE, ZIP_ER_SEEK, and zip_error_set().

Variable Documentation

_zip_source_file_win32_named_ops

zip_source_file_operations_t _zip_source_file_win32_named_ops

extern

Definition at line 48 of file zip_source_file_win32_named.c.

Referenced by zip_source_win32a_create(), and zip_source_win32w_create().