JehanneOS/newlib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
acf05df744
newlib/winsup/utils/cygpath.cc
Christopher Faylor c02e32c9bd * cygpath.cc (doit): Detect and warn about an empty path. Detect and warn 
about errors converting a path.
(main): Set prog_name correctly -- don't leave an extra slash or backslash at
the beginning of it.
2001-12-26 17:46:12 +00:00

404 lines
8.4 KiB
C++
Raw Blame History

/* cygpath.cc -- convert pathnames between Windows and Unix format
Copyright 1998, 1999, 2000, 2001 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 <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <limits.h>
#include <getopt.h>
#include <windows.h>
#include <io.h>
#include <sys/fcntl.h>
#include <sys/cygwin.h>
#include <ctype.h>
static char *prog_name;
static char *file_arg;
static char *close_arg;
static int path_flag, unix_flag, windows_flag, absolute_flag;
static int shortname_flag, ignore_flag;
static struct option long_options[] =
{
{ (char *) "help", no_argument, NULL, 'h' },
{ (char *) "absolute", no_argument, NULL, 'a'},
{ (char *) "option", no_argument, NULL, 'o'},
{ (char *) "path", no_argument, NULL, 'p' },
{ (char *) "close", required_argument, (int *) &close_arg, 'c'},
{ (char *) "unix", no_argument, NULL, 'u' },
{ (char *) "file", required_argument, (int *) &file_arg, 'f'},
{ (char *) "version", no_argument, NULL, 'v' },
{ (char *) "windows", no_argument, NULL, 'w' },
{ (char *) "short-name", no_argument, NULL, 's' },
{ (char *) "windir", no_argument, NULL, 'W' },
{ (char *) "sysdir", no_argument, NULL, 'S' },
{ (char *) "ignore", no_argument, NULL, 'i' },
{ 0, no_argument, 0, 0 }
};
static void
usage (FILE *stream, int status)
{
if (!ignore_flag || !status)
fprintf (stream, "\
Usage: %s [-p|--path] (-u|--unix)|(-w|--windows [-s|--short-name]) filename\n\
-a|--absolute output absolute path\n\
-c|--close handle close handle (for use in captured process)\n\
-f|--file file read file for path information\n\
-i|--ignore ignore missing argument\n\
-p|--path filename argument is a path\n\
-s|--short-name print Windows short form of filename\n\
-S|--sysdir print `system' directory\n\
-u|--unix print Unix form of filename\n\
-w|--windows print Windows form of filename\n\
-W|--windir print `Windows' directory\n",
prog_name);
exit (ignore_flag ? 0 : status);
}
static char *
get_short_paths (char *path)
{
char *sbuf;
char *sptr;
char *next;
char *ptr = path;
char *end = strrchr (path, 0);
DWORD acc = 0;
DWORD len;
while (ptr != NULL)
{
next = ptr;
ptr = strchr (ptr, ';');
if (ptr)
*ptr++ = 0;
len = GetShortPathName (next, NULL, 0);
if (len == ERROR_INVALID_PARAMETER)
{
fprintf (stderr, "%s: cannot create short name of %s\n", prog_name, next);
exit (2);
}
acc += len+1;
}
sptr = sbuf = (char *) malloc(acc+1);
if (sbuf == NULL)
{
fprintf (stderr, "%s: out of memory\n", prog_name);
exit (1);
}
ptr = path;
for(;;)
{
if (GetShortPathName (ptr, sptr, acc) == ERROR_INVALID_PARAMETER)
{
fprintf (stderr, "%s: cannot create short name of %s\n", prog_name, ptr);
exit (2);
}
ptr = strrchr (ptr, 0);
sptr = strrchr (sptr, 0);
if (ptr == end)
break;
*sptr = ';';
++ptr, ++sptr;
}
return sbuf;
}
static char *
get_short_name (const char *filename)
{
char *sbuf;
DWORD len = GetShortPathName (filename, NULL, 0);
if (len == ERROR_INVALID_PARAMETER)
{
fprintf (stderr, "%s: cannot create short name of %s\n", prog_name, filename);
exit (2);
}
sbuf = (char *) malloc(++len);
if (sbuf == NULL)
{
fprintf (stderr, "%s: out of memory\n", prog_name);
exit (1);
}
if (GetShortPathName (filename, sbuf, len) == ERROR_INVALID_PARAMETER)
{
fprintf (stderr, "%s: cannot create short name of %s\n", prog_name, filename);
exit (2);
}
return sbuf;
}
static void
doit (char *filename)
{
char *buf;
size_t len;
int retval;
int (*conv_func)(const char *, char *);
if (path_flag)
{
if (cygwin_posix_path_list_p (filename)
? unix_flag
: windows_flag)
{
/* The path is already in the right format. */
puts (filename);
exit (0);
}
}
if (! path_flag)
{
len = strlen (filename) + 100;
if (len == 100)
{
fprintf(stderr, "%s: can't convert empty path\n", prog_name);
exit (1);
}
}
else
{
if (unix_flag)
len = cygwin_win32_to_posix_path_list_buf_size (filename);
else
len = cygwin_posix_to_win32_path_list_buf_size (filename);
}
if (len < PATH_MAX)
len = PATH_MAX;
buf = (char *) malloc (len);
if (buf == NULL)
{
fprintf (stderr, "%s: out of memory\n", prog_name);
exit (1);
}
if (path_flag)
{
if (unix_flag)
cygwin_win32_to_posix_path_list (filename, buf);
else
{
cygwin_posix_to_win32_path_list (filename, buf);
if (shortname_flag)
buf = get_short_paths (buf);
}
}
else
{
if (unix_flag)
conv_func = (absolute_flag ? cygwin_conv_to_full_posix_path :
cygwin_conv_to_posix_path);
else
conv_func = (absolute_flag ? cygwin_conv_to_full_win32_path :
cygwin_conv_to_win32_path);
retval = conv_func (filename, buf);
if (retval < 0)
{
fprintf (stderr, "%s: error converting \"%s\"\n",
prog_name, filename);
exit (1);
}
if (!unix_flag && shortname_flag)
buf = get_short_name (buf);
}
puts (buf);
}
int
main (int argc, char **argv)
{
int c;
int options_from_file_flag;
char *filename;
char buf[MAX_PATH], buf2[MAX_PATH];
WIN32_FIND_DATA w32_fd;
prog_name = strrchr (argv[0], '/');
if (prog_name == NULL)
prog_name = strrchr (argv[0], '\\');
if (prog_name == NULL)
prog_name = argv[0];
else
prog_name++;
path_flag = 0;
unix_flag = 0;
windows_flag = 0;
shortname_flag = 0;
ignore_flag = 0;
options_from_file_flag = 0;
while ((c = getopt_long (argc, argv, (char *) "hac:f:opsSuvwWi", long_options, (int *) NULL))
!= EOF)
{
switch (c)
{
case 'a':
absolute_flag = 1;
break;
case 'c':
CloseHandle ((HANDLE) strtoul (optarg, NULL, 16));
break;
case 'f':
file_arg = optarg;
break;
case 'o':
options_from_file_flag = 1;
break;
case 'p':
path_flag = 1;
break;
case 'u':
if (unix_flag || windows_flag)
usage (stderr, 1);
unix_flag = 1;
break;
case 'w':
if (unix_flag || windows_flag)
usage (stderr, 1);
windows_flag = 1;
break;
case 's':
if (unix_flag)
usage (stderr, 1);
shortname_flag = 1;
break;
case 'W':
GetWindowsDirectory(buf, MAX_PATH);
if (!windows_flag)
cygwin_conv_to_posix_path(buf, buf2);
else
strcpy(buf2, buf);
printf("%s\n", buf2);
exit(0);
case 'S':
GetSystemDirectory(buf, MAX_PATH);
FindFirstFile(buf, &w32_fd);
strcpy(strrchr(buf, '\\')+1, w32_fd.cFileName);
if (!windows_flag)
cygwin_conv_to_posix_path(buf, buf2);
else
strcpy(buf2, buf);
printf("%s\n", buf2);
exit(0);
case 'i':
ignore_flag = 1;
break;
case 'h':
usage (stdout, 0);
break;
case 'v':
printf ("Cygwin path conversion version 1.1\n");
printf ("Copyright 1998,1999,2000,2001 Red Hat, Inc.\n");
exit (0);
default:
usage (stderr, 1);
break;
}
}
if (options_from_file_flag && !file_arg)
usage (stderr, 1);
if (! unix_flag && ! windows_flag && !options_from_file_flag)
usage (stderr, 1);
if (!file_arg)
{
if (optind != argc - 1)
usage (stderr, 1);
filename = argv[optind];
doit (filename);
}
else
{
FILE *fp;
char buf[PATH_MAX * 2 + 1];
if (argv[optind])
usage (stderr, 1);
if (strcmp (file_arg, "-") != 0)
fp = fopen (file_arg, "rt");
else
{
fp = stdin;
setmode (0, O_TEXT);
}
if (fp == NULL)
{
perror ("cygpath");
exit (1);
}
setbuf (stdout, NULL);
while (fgets (buf, sizeof (buf), fp) != NULL)
{
char *s = buf;
char *p = strchr (s, '\n');
if (p)
*p = '\0';
if (options_from_file_flag && *s == '-')
{
char c;
for (c = *++s; c && !isspace (c); c = *++s)
switch (c)
{
case 'a':
absolute_flag = 1;
break;
case 'i':
ignore_flag = 1;
break;
case 's':
shortname_flag = 1;
break;
case 'w':
unix_flag = 0;
windows_flag = 1;
break;
case 'u':
windows_flag = 0;
unix_flag = 1;
break;
case 'p':
path_flag = 1;
}
if (*s)
do
s++;
while (*s && isspace (*s));
}
if (*s)
doit (s);
}
}
exit (0);
}
Reference in New Issue View Git Blame Copy Permalink