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891ebd4d97
* Update copyright to 2007 * Fix download URL for translation files (thanks to Thiemo Seufer)
255 lines
7.6 KiB
C
255 lines
7.6 KiB
C
/* Path conversion for Windows pathnames.
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Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
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2007 Free Software Foundation, Inc.
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This file is part of GNU Make.
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GNU Make is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3 of the License, or (at your option) any later
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version.
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GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <string.h>
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#include <stdlib.h>
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#include "make.h"
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#include "pathstuff.h"
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/*
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* Convert delimiter separated vpath to Canonical format.
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*/
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char *
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convert_vpath_to_windows32(char *Path, char to_delim)
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{
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char *etok; /* token separator for old Path */
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/*
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* Convert all spaces to delimiters. Note that pathnames which
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* contain blanks get trounced here. Use 8.3 format as a workaround.
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*/
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for (etok = Path; etok && *etok; etok++)
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if (isblank ((unsigned char) *etok))
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*etok = to_delim;
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return (convert_Path_to_windows32(Path, to_delim));
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}
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/*
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* Convert delimiter separated path to Canonical format.
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*/
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char *
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convert_Path_to_windows32(char *Path, char to_delim)
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{
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char *etok; /* token separator for old Path */
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char *p; /* points to element of old Path */
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/* is this a multi-element Path ? */
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for (p = Path, etok = strpbrk(p, ":;");
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etok;
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etok = strpbrk(p, ":;"))
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if ((etok - p) == 1) {
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if (*(etok - 1) == ';' ||
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*(etok - 1) == ':') {
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etok[-1] = to_delim;
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etok[0] = to_delim;
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p = ++etok;
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continue; /* ignore empty bucket */
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} else if (!isalpha ((unsigned char) *p)) {
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/* found one to count, handle things like '.' */
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*etok = to_delim;
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p = ++etok;
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} else if ((*etok == ':') && (etok = strpbrk(etok+1, ":;"))) {
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/* found one to count, handle drive letter */
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*etok = to_delim;
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p = ++etok;
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} else
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/* all finished, force abort */
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p += strlen(p);
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} else {
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/* found another one, no drive letter */
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*etok = to_delim;
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p = ++etok;
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}
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return Path;
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}
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/*
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* Convert to forward slashes. Resolve to full pathname optionally
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*/
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char *
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w32ify(const char *filename, int resolve)
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{
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static char w32_path[FILENAME_MAX];
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char *p;
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if (resolve)
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_fullpath(w32_path, filename, sizeof (w32_path));
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else
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strncpy(w32_path, filename, sizeof (w32_path));
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for (p = w32_path; p && *p; p++)
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if (*p == '\\')
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*p = '/';
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return w32_path;
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}
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char *
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getcwd_fs(char* buf, int len)
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{
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char *p = getcwd(buf, len);
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if (p) {
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char *q = w32ify(buf, 0);
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strncpy(buf, q, len);
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}
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return p;
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}
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#ifdef unused
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/*
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* Convert delimiter separated pathnames (e.g. PATH) or single file pathname
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* (e.g. c:/foo, c:\bar) to NutC format. If we are handed a string that
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* _NutPathToNutc() fails to convert, just return the path we were handed
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* and assume the caller will know what to do with it (It was probably
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* a mistake to try and convert it anyway due to some of the bizarre things
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* that might look like pathnames in makefiles).
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*/
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char *
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convert_path_to_nutc(char *path)
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{
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int count; /* count of path elements */
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char *nutc_path; /* new NutC path */
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int nutc_path_len; /* length of buffer to allocate for new path */
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char *pathp; /* pointer to nutc_path used to build it */
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char *etok; /* token separator for old path */
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char *p; /* points to element of old path */
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char sep; /* what flavor of separator used in old path */
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char *rval;
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/* is this a multi-element path ? */
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for (p = path, etok = strpbrk(p, ":;"), count = 0;
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etok;
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etok = strpbrk(p, ":;"))
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if ((etok - p) == 1) {
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if (*(etok - 1) == ';' ||
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*(etok - 1) == ':') {
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p = ++etok;
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continue; /* ignore empty bucket */
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} else if (etok = strpbrk(etok+1, ":;"))
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/* found one to count, handle drive letter */
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p = ++etok, count++;
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else
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/* all finished, force abort */
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p += strlen(p);
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} else
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/* found another one, no drive letter */
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p = ++etok, count++;
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if (count) {
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count++; /* x1;x2;x3 <- need to count x3 */
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/*
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* Hazard a guess on how big the buffer needs to be.
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* We have to convert things like c:/foo to /c=/foo.
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*/
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nutc_path_len = strlen(path) + (count*2) + 1;
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nutc_path = xmalloc(nutc_path_len);
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pathp = nutc_path;
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*pathp = '\0';
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/*
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* Loop through PATH and convert one elemnt of the path at at
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* a time. Single file pathnames will fail this and fall
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* to the logic below loop.
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*/
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for (p = path, etok = strpbrk(p, ":;");
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etok;
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etok = strpbrk(p, ":;")) {
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/* don't trip up on device specifiers or empty path slots */
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if ((etok - p) == 1)
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if (*(etok - 1) == ';' ||
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*(etok - 1) == ':') {
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p = ++etok;
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continue;
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} else if ((etok = strpbrk(etok+1, ":;")) == NULL)
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break; /* thing found was a WINDOWS32 pathname */
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/* save separator */
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sep = *etok;
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/* terminate the current path element -- temporarily */
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*etok = '\0';
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#ifdef __NUTC__
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/* convert to NutC format */
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if (_NutPathToNutc(p, pathp, 0) == FALSE) {
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free(nutc_path);
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rval = savestring(path, strlen(path));
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return rval;
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}
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#else
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*pathp++ = '/';
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*pathp++ = p[0];
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*pathp++ = '=';
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*pathp++ = '/';
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strcpy(pathp, &p[2]);
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#endif
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pathp += strlen(pathp);
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*pathp++ = ':'; /* use Unix style path separtor for new path */
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*pathp = '\0'; /* make sure we are null terminaed */
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/* restore path separator */
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*etok = sep;
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/* point p to first char of next path element */
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p = ++etok;
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}
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} else {
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nutc_path_len = strlen(path) + 3;
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nutc_path = xmalloc(nutc_path_len);
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pathp = nutc_path;
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*pathp = '\0';
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p = path;
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}
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/*
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* OK, here we handle the last element in PATH (e.g. c of a;b;c)
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* or the path was a single filename and will be converted
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* here. Note, testing p here assures that we don't trip up
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* on paths like a;b; which have trailing delimiter followed by
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* nothing.
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*/
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if (*p != '\0') {
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#ifdef __NUTC__
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if (_NutPathToNutc(p, pathp, 0) == FALSE) {
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free(nutc_path);
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rval = savestring(path, strlen(path));
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return rval;
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}
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#else
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*pathp++ = '/';
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*pathp++ = p[0];
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*pathp++ = '=';
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*pathp++ = '/';
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strcpy(pathp, &p[2]);
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#endif
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} else
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*(pathp-1) = '\0'; /* we're already done, don't leave trailing : */
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rval = savestring(nutc_path, strlen(nutc_path));
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free(nutc_path);
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return rval;
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}
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#endif
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