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Diffstat (limited to 'w32/pathstuff.c')
| -rw-r--r-- | w32/pathstuff.c | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/w32/pathstuff.c b/w32/pathstuff.c new file mode 100644 index 0000000..55332ab --- /dev/null +++ b/w32/pathstuff.c @@ -0,0 +1,266 @@ +/* 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 |