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/* Path conversion for Windows pathnames.
Copyright (C) 1996-2014 Free Software Foundation, Inc.
This file is part of GNU Make.
GNU Make is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3 of the License, or (at your option) any later
version.
GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>. */
#include "makeint.h"
#include <string.h>
#include <stdlib.h>
#include "pathstuff.h"
/*
* Convert delimiter separated vpath to Canonical format.
*/
char *
convert_vpath_to_windows32(char *Path, char to_delim)
{
char *etok; /* token separator for old Path */
/*
* Convert all spaces to delimiters. Note that pathnames which
* contain blanks get trounced here. Use 8.3 format as a workaround.
*/
for (etok = Path; etok && *etok; etok++)
if (isblank ((unsigned char) *etok))
*etok = to_delim;
return (convert_Path_to_windows32(Path, to_delim));
}
/*
* Convert delimiter separated path to Canonical format.
*/
char *
convert_Path_to_windows32(char *Path, char to_delim)
{
char *etok; /* token separator for old Path */
char *p; /* points to element of old Path */
/* is this a multi-element Path ? */
/* FIXME: Perhaps use ":;\"" in strpbrk to convert all quotes to
delimiters as well, as a way to handle quoted directories in
PATH? */
for (p = Path, etok = strpbrk(p, ":;");
etok;
etok = strpbrk(p, ":;"))
if ((etok - p) == 1) {
if (*(etok - 1) == ';' ||
*(etok - 1) == ':') {
etok[-1] = to_delim;
etok[0] = to_delim;
p = ++etok;
continue; /* ignore empty bucket */
} else if (!isalpha ((unsigned char) *p)) {
/* found one to count, handle things like '.' */
*etok = to_delim;
p = ++etok;
} else if ((*etok == ':') && (etok = strpbrk(etok+1, ":;"))) {
/* found one to count, handle drive letter */
*etok = to_delim;
p = ++etok;
} else
/* all finished, force abort */
p += strlen(p);
} else if (*p == '"') { /* a quoted directory */
for (p++; *p && *p != '"'; p++) /* skip quoted part */
;
etok = strpbrk(p, ":;"); /* find next delimiter */
if (etok) {
*etok = to_delim;
p = ++etok;
} else
p += strlen(p);
} else {
/* found another one, no drive letter */
*etok = to_delim;
p = ++etok;
}
return Path;
}
/*
* Convert to forward slashes. Resolve to full pathname optionally
*/
char *
w32ify(const char *filename, int resolve)
{
static char w32_path[FILENAME_MAX];
char *p;
if (resolve)
_fullpath(w32_path, filename, sizeof (w32_path));
else
strncpy(w32_path, filename, sizeof (w32_path));
for (p = w32_path; p && *p; p++)
if (*p == '\\')
*p = '/';
return w32_path;
}
char *
getcwd_fs(char* buf, int len)
{
char *p = getcwd(buf, len);
if (p) {
char *q = w32ify(buf, 0);
strncpy(buf, q, len);
}
return p;
}
#ifdef unused
/*
* Convert delimiter separated pathnames (e.g. PATH) or single file pathname
* (e.g. c:/foo, c:\bar) to NutC format. If we are handed a string that
* _NutPathToNutc() fails to convert, just return the path we were handed
* and assume the caller will know what to do with it (It was probably
* a mistake to try and convert it anyway due to some of the bizarre things
* that might look like pathnames in makefiles).
*/
char *
convert_path_to_nutc(char *path)
{
int count; /* count of path elements */
char *nutc_path; /* new NutC path */
int nutc_path_len; /* length of buffer to allocate for new path */
char *pathp; /* pointer to nutc_path used to build it */
char *etok; /* token separator for old path */
char *p; /* points to element of old path */
char sep; /* what flavor of separator used in old path */
char *rval;
/* is this a multi-element path ? */
for (p = path, etok = strpbrk(p, ":;"), count = 0;
etok;
etok = strpbrk(p, ":;"))
if ((etok - p) == 1) {
if (*(etok - 1) == ';' ||
*(etok - 1) == ':') {
p = ++etok;
continue; /* ignore empty bucket */
} else if (etok = strpbrk(etok+1, ":;"))
/* found one to count, handle drive letter */
p = ++etok, count++;
else
/* all finished, force abort */
p += strlen(p);
} else
/* found another one, no drive letter */
p = ++etok, count++;
if (count) {
count++; /* x1;x2;x3 <- need to count x3 */
/*
* Hazard a guess on how big the buffer needs to be.
* We have to convert things like c:/foo to /c=/foo.
*/
nutc_path_len = strlen(path) + (count*2) + 1;
nutc_path = xmalloc(nutc_path_len);
pathp = nutc_path;
*pathp = '\0';
/*
* Loop through PATH and convert one elemnt of the path at at
* a time. Single file pathnames will fail this and fall
* to the logic below loop.
*/
for (p = path, etok = strpbrk(p, ":;");
etok;
etok = strpbrk(p, ":;")) {
/* don't trip up on device specifiers or empty path slots */
if ((etok - p) == 1)
if (*(etok - 1) == ';' ||
*(etok - 1) == ':') {
p = ++etok;
continue;
} else if ((etok = strpbrk(etok+1, ":;")) == NULL)
break; /* thing found was a WINDOWS32 pathname */
/* save separator */
sep = *etok;
/* terminate the current path element -- temporarily */
*etok = '\0';
#ifdef __NUTC__
/* convert to NutC format */
if (_NutPathToNutc(p, pathp, 0) == FALSE) {
free(nutc_path);
rval = savestring(path, strlen(path));
return rval;
}
#else
*pathp++ = '/';
*pathp++ = p[0];
*pathp++ = '=';
*pathp++ = '/';
strcpy(pathp, &p[2]);
#endif
pathp += strlen(pathp);
*pathp++ = ':'; /* use Unix style path separtor for new path */
*pathp = '\0'; /* make sure we are null terminaed */
/* restore path separator */
*etok = sep;
/* point p to first char of next path element */
p = ++etok;
}
} else {
nutc_path_len = strlen(path) + 3;
nutc_path = xmalloc(nutc_path_len);
pathp = nutc_path;
*pathp = '\0';
p = path;
}
/*
* OK, here we handle the last element in PATH (e.g. c of a;b;c)
* or the path was a single filename and will be converted
* here. Note, testing p here assures that we don't trip up
* on paths like a;b; which have trailing delimiter followed by
* nothing.
*/
if (*p != '\0') {
#ifdef __NUTC__
if (_NutPathToNutc(p, pathp, 0) == FALSE) {
free(nutc_path);
rval = savestring(path, strlen(path));
return rval;
}
#else
*pathp++ = '/';
*pathp++ = p[0];
*pathp++ = '=';
*pathp++ = '/';
strcpy(pathp, &p[2]);
#endif
} else
*(pathp-1) = '\0'; /* we're already done, don't leave trailing : */
rval = savestring(nutc_path, strlen(nutc_path));
free(nutc_path);
return rval;
}
#endif
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