revert erroneous checkin
This commit is contained in:
Christopher Faylor
parent
b25e8b65c2
commit
bbe009b770
@ -29,7 +29,7 @@ enum child_info_types
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#define EXEC_MAGIC_SIZE sizeof(child_info)
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#define CURR_CHILD_INFO_MAGIC 0x17ad771aU
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#define CURR_CHILD_INFO_MAGIC 0x694cd4b8U
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/* NOTE: Do not make gratuitous changes to the names or organization of the
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below class. The layout is checksummed to determine compatibility between
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@ -319,8 +319,7 @@ fhandler_process::fill_filebuf ()
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strcpy (filebuf, "<defunct>");
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else
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{
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charplus x (p->progname);
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mount_table->conv_to_posix_path (x, filebuf, 1);
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mount_table->conv_to_posix_path (p->progname, filebuf, 1);
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int len = strlen (filebuf);
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if (len > 4)
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{
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@ -75,7 +75,7 @@ details. */
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#include "cygtls.h"
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#include <assert.h>
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static int normalize_win32_path (const char *, charplus&);
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static int normalize_win32_path (const char *src, char *dst, char ** tail);
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static void slashify (const char *src, char *dst, int trailing_slash_p);
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static void backslashify (const char *src, char *dst, int trailing_slash_p);
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@ -190,37 +190,38 @@ pathmatch (const char *path1, const char *path2)
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The result is 0 for success, or an errno error value. */
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static int
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normalize_posix_path (const char *src, charplus& dst)
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normalize_posix_path (const char *src, char *dst, char **tail)
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{
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const char *src_start = src;
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char *dst_start = dst;
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syscall_printf ("src %s", src);
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const char *in_src = src;
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char *in_dst = dst;
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if (isdrive (src) || *src == '\\')
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goto win32_path;
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dst.tail = dst;
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if (!isslash (src[0]))
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{
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if (!cygheap->cwd.get (dst))
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return get_errno ();
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dst.tail = strchr (dst.tail, '\0');
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dst = strchr (dst, '\0');
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if (*src == '.')
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{
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if (dst.tail == dst + 1 && *dst == '/')
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dst.tail--;
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if (dst == dst_start + 1 && *dst_start == '/')
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--dst;
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goto sawdot;
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}
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if (dst.tail > dst && !isslash (dst.tail[-1]))
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*dst.tail++ = '/';
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if (dst > dst_start && !isslash (dst[-1]))
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*dst++ = '/';
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}
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/* Two leading /'s? If so, preserve them. */
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else if (isslash (src[1]) && !isslash (src[2]))
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{
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*dst.tail++ = '/';
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*dst.tail++ = '/';
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*dst++ = '/';
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*dst++ = '/';
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src += 2;
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}
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@ -230,7 +231,7 @@ normalize_posix_path (const char *src, charplus& dst)
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goto win32_path;
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/* Strip runs of /'s. */
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if (!isslash (*src))
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*dst.tail++ = *src++;
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*dst++ = *src++;
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else
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{
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while (*++src)
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@ -246,7 +247,7 @@ normalize_posix_path (const char *src, charplus& dst)
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{
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if (!src[1])
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{
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*dst.tail++ = '/';
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*dst++ = '/';
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goto done;
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}
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if (!isslash (src[1]))
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@ -267,15 +268,15 @@ normalize_posix_path (const char *src, charplus& dst)
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}
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else
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{
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while (dst.tail > dst && !isslash (*--dst.tail))
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while (dst > dst_start && !isslash (*--dst))
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continue;
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src++;
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}
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}
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*dst.tail++ = '/';
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*dst++ = '/';
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}
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if ((dst.tail - dst) >= CYG_MAX_PATH)
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if ((dst - dst_start) >= CYG_MAX_PATH)
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{
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debug_printf ("ENAMETOOLONG = normalize_posix_path (%s)", src);
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return ENAMETOOLONG;
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@ -283,15 +284,16 @@ normalize_posix_path (const char *src, charplus& dst)
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}
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done:
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*dst.tail = '\0';
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*dst = '\0';
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*tail = dst;
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debug_printf ("%s = normalize_posix_path (%s)", (char *) dst, src_start);
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debug_printf ("%s = normalize_posix_path (%s)", dst_start, src_start);
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return 0;
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win32_path:
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int err = normalize_win32_path (in_src, dst);
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int err = normalize_win32_path (in_src, in_dst, tail);
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if (!err)
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for (char *p = dst; (p = strchr (p, '\\')); p++)
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for (char *p = in_dst; (p = strchr (p, '\\')); p++)
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*p = '/';
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return err;
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}
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@ -498,13 +500,13 @@ path_conv::check (const char *src, unsigned opt,
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/* This array is used when expanding symlinks. It is CYG_MAX_PATH * 2
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in length so that we can hold the expanded symlink plus a
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trailer. */
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charplus path_copy;
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char path_copy[CYG_MAX_PATH + 3];
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char tmp_buf[2 * CYG_MAX_PATH + 3];
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symlink_info sym;
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bool need_directory = 0;
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bool saw_symlinks = 0;
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int is_relpath;
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char *path_end;
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char *tail, *path_end;
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#if 0
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static path_conv last_path_conv;
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@ -535,34 +537,34 @@ path_conv::check (const char *src, unsigned opt,
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{
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MALLOC_CHECK;
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assert (src);
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is_relpath = !isabspath (src);
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error = normalize_posix_path (src, path_copy);
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error = normalize_posix_path (src, path_copy, &tail);
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if (error)
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return;
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/* Detect if the user was looking for a directory. We have to strip the
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trailing slash initially while trying to add extensions but take it
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into account during processing */
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if (path_copy.tail > path_copy + 1)
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if (tail > path_copy + 1)
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{
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if (isslash (path_copy.tail[-1]))
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if (isslash (tail[-1]))
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{
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need_directory = 1;
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*--path_copy.tail = '\0';
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tail--;
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}
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/* Remove trailing dots and spaces which are ignored by Win32 functions but
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not by native NT functions. */
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while (path_copy.tail[-1] == '.' || path_copy.tail[-1] == ' ')
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path_copy.tail--;
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if (path_copy.tail > path_copy + 1 && isslash (path_copy.tail[-1]))
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while (tail[-1] == '.' || tail[-1] == ' ')
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tail--;
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if (tail > path_copy + 1 && isslash (tail[-1]))
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{
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error = ENOENT;
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return;
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}
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}
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path_end = path_copy.tail;
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path_copy.tailch = *path_copy.tail;
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*path_copy.tail = '\0';
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path_end = tail;
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*tail = '\0';
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/* Scan path_copy from right to left looking either for a symlink
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or an actual existing file. If an existing file is found, just
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@ -599,7 +601,6 @@ path_conv::check (const char *src, unsigned opt,
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error = mount_table->conv_to_win32_path (path_copy, full_path, dev,
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&sym.pflags);
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path_copy.tailch = '\0';
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if (error)
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return;
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@ -746,17 +747,17 @@ path_conv::check (const char *src, unsigned opt,
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/* Find the new "tail" of the path, e.g. in '/for/bar/baz',
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/baz is the tail. */
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if (path_copy.tail != path_end)
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*path_copy.tail = '/';
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while (--path_copy.tail > path_copy + 1 && *path_copy.tail != '/') {}
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if (tail != path_end)
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*tail = '/';
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while (--tail > path_copy + 1 && *tail != '/') {}
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/* Exit loop if there is no tail or we are at the
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beginning of a UNC path */
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if (path_copy.tail <= path_copy + 1)
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if (tail <= path_copy + 1)
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goto out; // all done
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/* Haven't found an existing pathname component yet.
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Pinch off the tail and try again. */
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*path_copy.tail = '\0';
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*tail = '\0';
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component++;
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}
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@ -778,7 +779,7 @@ path_conv::check (const char *src, unsigned opt,
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else
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{
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/* Copy the first part of the path (with ending /) and point to the end. */
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char *prevtail = path_copy.tail;
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char *prevtail = tail;
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while (--prevtail > path_copy && *prevtail != '/') {}
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int headlen = prevtail - path_copy + 1;;
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memcpy (tmp_buf, path_copy, headlen);
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@ -801,15 +802,15 @@ path_conv::check (const char *src, unsigned opt,
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*headptr = '\0';
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/* Copy any tail component (with the 0) */
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if (path_copy.tail++ < path_end)
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if (tail++ < path_end)
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{
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/* Add a slash if needed. There is space. */
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if (*(headptr - 1) != '/')
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*headptr++ = '/';
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int taillen = path_end - path_copy.tail + 1;
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int taillen = path_end - tail + 1;
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if (headptr + taillen > tmp_buf + sizeof (tmp_buf))
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goto too_long;
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memcpy (headptr, path_copy.tail, taillen);
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memcpy (headptr, tail, taillen);
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}
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/* Evaluate everything all over again. */
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@ -890,8 +891,8 @@ out:
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normalized_path_size = 0;
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else
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{
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if (path_copy.tail < path_end && path_copy.tail > path_copy + 1)
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*path_copy.tail = '/';
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if (tail < path_end && tail > path_copy + 1)
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*tail = '/';
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set_normalized_path (path_copy);
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}
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@ -956,33 +957,34 @@ is_unc_share (const char *path)
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The result is 0 for success, or an errno error value.
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FIXME: A lot of this should be mergeable with the POSIX critter. */
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static int
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normalize_win32_path (const char *src, charplus& dst)
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normalize_win32_path (const char *src, char *dst, char **tail)
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{
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const char *src_start = src;
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char *dst_start = dst;
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char *dst_root_start = dst;
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bool beg_src_slash = isdirsep (src[0]);
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dst.tail = dst;
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if (beg_src_slash && isdirsep (src[1]))
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{
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*dst.tail++ = '\\';
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*dst++ = '\\';
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src++;
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if (src[1] == '.' && isdirsep (src[2]))
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{
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*dst.tail++ = '\\';
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*dst.tail++ = '.';
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*dst++ = '\\';
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*dst++ = '.';
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src += 2;
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}
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}
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else if (!isdrive(src) && *src != '/')
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{
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if (beg_src_slash)
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dst.tail += cygheap->cwd.get_drive (dst);
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dst += cygheap->cwd.get_drive (dst);
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else if (!cygheap->cwd.get (dst, 0))
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return get_errno ();
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else
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{
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dst.tail = strchr (dst.tail, '\0');
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*dst.tail++ = '\\';
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dst += strlen (dst);
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*dst++ = '\\';
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}
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}
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@ -999,16 +1001,16 @@ normalize_win32_path (const char *src, charplus& dst)
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/* Backup if "..". */
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else if (src[0] == '.' && src[1] == '.'
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/* dst must be greater than dst_start */
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&& dst.tail[-1] == '\\')
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&& dst[-1] == '\\')
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{
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if (isdirsep (src[2]) || src[2] == 0)
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{
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/* Back up over /, but not if it's the first one. */
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if (dst.tail > dst + 1)
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dst.tail--;
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if (dst > dst_root_start + 1)
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dst--;
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/* Now back up to the next /. */
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while (dst.tail > dst + 1 && dst.tail[-1] != '\\' && dst.tail[-2] != ':')
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dst.tail--;
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while (dst > dst_root_start + 1 && dst[-1] != '\\' && dst[-2] != ':')
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dst--;
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src += 2;
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if (isdirsep (*src))
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src++;
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@ -1018,25 +1020,26 @@ normalize_win32_path (const char *src, charplus& dst)
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int n = strspn (src, ".");
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if (!src[n] || isdirsep (src[n])) /* just dots... */
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return ENOENT;
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*dst.tail++ = *src++;
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*dst++ = *src++;
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}
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}
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/* Otherwise, add char to result. */
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else
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{
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if (*src == '/')
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*dst.tail++ = '\\';
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*dst++ = '\\';
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else
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*dst.tail++ = *src;
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src++;
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*dst++ = *src;
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++src;
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}
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if ((dst.tail - dst) >= CYG_MAX_PATH)
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if ((dst - dst_start) >= CYG_MAX_PATH)
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return ENAMETOOLONG;
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}
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if (dst.tail > dst + 1 && dst.tail[-1] == '.' && dst.tail[-2] == '\\')
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dst.tail--;
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*dst.tail = '\0';
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debug_printf ("%s = normalize_win32_path (%s)", (char *) dst, src_start);
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if (dst > dst_start + 1 && dst[-1] == '.' && dst[-2] == '\\')
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dst--;
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*dst = '\0';
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*tail = dst;
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debug_printf ("%s = normalize_win32_path (%s)", dst_start, src_start);
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return 0;
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}
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@ -1321,7 +1324,7 @@ mount_item::fnmunge (char *dst, const char *src, int& left)
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}
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int
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mount_item::build_win32 (char *dst, const charplus& src, unsigned *outflags, unsigned chroot_pathlen)
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mount_item::build_win32 (char *dst, const char *src, unsigned *outflags, unsigned chroot_pathlen)
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{
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int n, err = 0;
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const char *real_native_path;
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@ -1354,16 +1357,6 @@ mount_item::build_win32 (char *dst, const charplus& src, unsigned *outflags, uns
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}
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else
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{
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char buf[CYG_MAX_PATH];
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if (src.tailch)
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{
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strcpy (buf, p);
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char *endp = strchr (buf, '\0');
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*endp = src.tailch;
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strcpy (endp + 1, src.tail + 1);
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p = buf;
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}
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int left = CYG_MAX_PATH - n;
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while (*p)
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{
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@ -1399,8 +1392,8 @@ mount_item::build_win32 (char *dst, const charplus& src, unsigned *outflags, uns
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{,full_}win32_path must have sufficient space (i.e. CYG_MAX_PATH bytes). */
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int
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mount_info::conv_to_win32_path (const charplus& src_path, char *dst,
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device& dev, unsigned *flags)
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mount_info::conv_to_win32_path (const char *src_path, char *dst, device& dev,
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unsigned *flags)
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{
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bool chroot_ok = !cygheap->root.exists ();
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while (sys_mount_table_counter < cygwin_shared->sys_mount_table_counter)
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@ -1414,7 +1407,7 @@ mount_info::conv_to_win32_path (const charplus& src_path, char *dst,
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dev.devn = FH_FS;
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*flags = 0;
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debug_printf ("conv_to_win32_path (%s)", (const char *) src_path);
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debug_printf ("conv_to_win32_path (%s)", src_path);
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int i, rc;
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mount_item *mi = NULL; /* initialized to avoid compiler warning */
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@ -1532,7 +1525,7 @@ mount_info::conv_to_win32_path (const charplus& src_path, char *dst,
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}
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out_no_chroot_check:
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debug_printf ("src_path %s, dst %s, flags %p, rc %d", (const char *) src_path, dst, *flags, rc);
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debug_printf ("src_path %s, dst %s, flags %p, rc %d", src_path, dst, *flags, rc);
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return rc;
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}
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@ -1597,7 +1590,7 @@ mount_info::cygdrive_win32_path (const char *src, char *dst, int& unit)
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If keep_rel_p is non-zero, relative paths stay that way. */
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int
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mount_info::conv_to_posix_path (const charplus& src_path, char *posix_path,
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mount_info::conv_to_posix_path (const char *src_path, char *posix_path,
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int keep_rel_p)
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{
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int src_path_len = strlen (src_path);
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@ -1612,7 +1605,7 @@ mount_info::conv_to_posix_path (const charplus& src_path, char *posix_path,
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trailing_slash_p = isdirsep (*lastchar) && lastchar[-1] != ':';
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}
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debug_printf ("conv_to_posix_path (%s, %s, %s)", (const char *) src_path,
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debug_printf ("conv_to_posix_path (%s, %s, %s)", src_path,
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keep_rel_p ? "keep-rel" : "no-keep-rel",
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trailing_slash_p ? "add-slash" : "no-add-slash");
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MALLOC_CHECK;
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@ -1629,19 +1622,20 @@ mount_info::conv_to_posix_path (const charplus& src_path, char *posix_path,
|
||||
if (keep_rel_p && relative_path_p)
|
||||
{
|
||||
slashify (src_path, posix_path, 0);
|
||||
debug_printf ("%s = conv_to_posix_path (%s)", posix_path, (const char *) src_path);
|
||||
debug_printf ("%s = conv_to_posix_path (%s)", posix_path, src_path);
|
||||
return 0;
|
||||
}
|
||||
|
||||
charplus pathbuf;
|
||||
int rc = normalize_win32_path (src_path, pathbuf);
|
||||
char pathbuf[CYG_MAX_PATH];
|
||||
char * tail;
|
||||
int rc = normalize_win32_path (src_path, pathbuf, &tail);
|
||||
if (rc != 0)
|
||||
{
|
||||
debug_printf ("%d = conv_to_posix_path (%s)", rc, (const char *) src_path);
|
||||
debug_printf ("%d = conv_to_posix_path (%s)", rc, src_path);
|
||||
return rc;
|
||||
}
|
||||
|
||||
int pathbuflen = pathbuf.tail - pathbuf;
|
||||
int pathbuflen = tail - pathbuf;
|
||||
for (int i = 0; i < nmounts; ++i)
|
||||
{
|
||||
mount_item &mi = mount[native_sorted[i]];
|
||||
@ -1719,7 +1713,7 @@ mount_info::conv_to_posix_path (const charplus& src_path, char *posix_path,
|
||||
}
|
||||
|
||||
out:
|
||||
debug_printf ("%s = conv_to_posix_path (%s)", posix_path, (const char *) src_path);
|
||||
debug_printf ("%s = conv_to_posix_path (%s)", posix_path, src_path);
|
||||
MALLOC_CHECK;
|
||||
return 0;
|
||||
}
|
||||
@ -2115,9 +2109,9 @@ mount_info::sort ()
|
||||
int
|
||||
mount_info::add_item (const char *native, const char *posix, unsigned mountflags, int reg_p)
|
||||
{
|
||||
charplus nativetmp;
|
||||
charplus posixtmp;
|
||||
char error[] = "error";
|
||||
char nativetmp[CYG_MAX_PATH];
|
||||
char posixtmp[CYG_MAX_PATH];
|
||||
char *nativetail, *posixtail, error[] = "error";
|
||||
int nativeerr, posixerr;
|
||||
|
||||
/* Something's wrong if either path is NULL or empty, or if it's
|
||||
@ -2127,17 +2121,17 @@ mount_info::add_item (const char *native, const char *posix, unsigned mountflags
|
||||
!(is_unc_share (native) || isdrive (native)))
|
||||
nativeerr = EINVAL;
|
||||
else
|
||||
nativeerr = normalize_win32_path (native, nativetmp);
|
||||
nativeerr = normalize_win32_path (native, nativetmp, &nativetail);
|
||||
|
||||
if (posix == NULL || !isabspath (posix) ||
|
||||
is_unc_share (posix) || isdrive (posix))
|
||||
posixerr = EINVAL;
|
||||
else
|
||||
posixerr = normalize_posix_path (posix, posixtmp);
|
||||
posixerr = normalize_posix_path (posix, posixtmp, &posixtail);
|
||||
|
||||
debug_printf ("%s[%s], %s[%s], %p",
|
||||
native, nativeerr ? error : (const char *) nativetmp,
|
||||
posix, posixerr ? error : (const char *) posixtmp, mountflags);
|
||||
native, nativeerr ? error : nativetmp,
|
||||
posix, posixerr ? error : posixtmp, mountflags);
|
||||
|
||||
if (nativeerr || posixerr)
|
||||
{
|
||||
@ -2146,10 +2140,10 @@ mount_info::add_item (const char *native, const char *posix, unsigned mountflags
|
||||
}
|
||||
|
||||
/* Make sure both paths do not end in /. */
|
||||
if (nativetmp.tail > nativetmp + 1 && nativetmp.tail[-1] == '\\')
|
||||
nativetmp.tail[-1] = '\0';
|
||||
if (posixtmp.tail > posixtmp + 1 && posixtmp.tail[-1] == '/')
|
||||
posixtmp.tail[-1] = '\0';
|
||||
if (nativetail > nativetmp + 1 && nativetail[-1] == '\\')
|
||||
nativetail[-1] = '\0';
|
||||
if (posixtail > posixtmp + 1 && posixtail[-1] == '/')
|
||||
posixtail[-1] = '\0';
|
||||
|
||||
/* Write over an existing mount item with the same POSIX path if
|
||||
it exists and is from the same registry area. */
|
||||
|
||||
@ -11,17 +11,6 @@ details. */
|
||||
#include "tty.h"
|
||||
#include "security.h"
|
||||
|
||||
struct charplus
|
||||
{
|
||||
char buf[CYG_MAX_PATH];
|
||||
char tailch;
|
||||
char *tail;
|
||||
operator char * () { return buf; }
|
||||
operator const char * () const { return buf; }
|
||||
charplus (const char *s) : tailch (0), tail (0) {strcpy (buf, s);}
|
||||
charplus () : tailch (0), tail (0) {*buf = '\0';}
|
||||
};
|
||||
|
||||
/* Mount table entry */
|
||||
|
||||
class mount_item
|
||||
@ -44,7 +33,7 @@ class mount_item
|
||||
|
||||
struct mntent *getmntent ();
|
||||
int fnmunge (char *, const char *, int&);
|
||||
int build_win32 (char *, const charplus&, unsigned *, unsigned);
|
||||
int build_win32 (char *, const char *, unsigned *, unsigned);
|
||||
};
|
||||
|
||||
/* Warning: Decreasing this value will cause cygwin.dll to ignore existing
|
||||
@ -91,9 +80,9 @@ class mount_info
|
||||
int del_reg_mount (const char * posix_path, unsigned mountflags);
|
||||
|
||||
unsigned set_flags_from_win32_path (const char *path);
|
||||
int conv_to_win32_path (const charplus& src_path, char *dst, device&,
|
||||
int conv_to_win32_path (const char *src_path, char *dst, device&,
|
||||
unsigned *flags = NULL);
|
||||
int conv_to_posix_path (const charplus& src_path, char *posix_path,
|
||||
int conv_to_posix_path (const char *src_path, char *posix_path,
|
||||
int keep_rel_p);
|
||||
struct mntent *getmntent (int x);
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user