1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/common/src/fixpath.c Fri Oct 26 14:29:57 2012 -0700
1.3 @@ -0,0 +1,334 @@
1.4 +/*
1.5 + * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +#include <Windows.h>
1.30 +#include <io.h>
1.31 +#include <stdio.h>
1.32 +#include <string.h>
1.33 +#include <malloc.h>
1.34 +
1.35 +/*
1.36 + * Test if pos points to /cygdrive/_/ where _ can
1.37 + * be any character.
1.38 + */
1.39 +int is_cygdrive_here(int pos, char *in, int len)
1.40 +{
1.41 + // Length of /cygdrive/c/ is 12
1.42 + if (pos+12 > len) return 0;
1.43 + if (in[pos+11]=='/' &&
1.44 + in[pos+9]=='/' &&
1.45 + in[pos+8]=='e' &&
1.46 + in[pos+7]=='v' &&
1.47 + in[pos+6]=='i' &&
1.48 + in[pos+5]=='r' &&
1.49 + in[pos+4]=='d' &&
1.50 + in[pos+3]=='g' &&
1.51 + in[pos+2]=='y' &&
1.52 + in[pos+1]=='c' &&
1.53 + in[pos+0]=='/') {
1.54 + return 1;
1.55 + }
1.56 + return 0;
1.57 +}
1.58 +
1.59 +/*
1.60 + * Replace /cygdrive/_/ with _:/
1.61 + * Works in place since drive letter is always
1.62 + * shorter than /cygdrive/
1.63 + */
1.64 +char *replace_cygdrive_cygwin(char *in)
1.65 +{
1.66 + int len = strlen(in);
1.67 + char *out = malloc(len+1);
1.68 + int i,j;
1.69 +
1.70 + if (len < 12) {
1.71 + strcpy(out, in);
1.72 + return out;
1.73 + }
1.74 + for (i = 0, j = 0; i<len;) {
1.75 + if (is_cygdrive_here(i, in, len)) {
1.76 + out[j++] = in[i+10];
1.77 + out[j++] = ':';
1.78 + i+=11;
1.79 + } else {
1.80 + out[j] = in[i];
1.81 + i++;
1.82 + j++;
1.83 + }
1.84 + }
1.85 + out[j] = 0;
1.86 + return out;
1.87 +}
1.88 +
1.89 +void append(char **b, size_t *bl, size_t *u, char *add, size_t addlen)
1.90 +{
1.91 + while ( (addlen+*u+1) > *bl) {
1.92 + *bl *= 2;
1.93 + *b = realloc(*b, *bl);
1.94 + }
1.95 + memcpy(*b+*u, add, addlen);
1.96 + *u += addlen;
1.97 +}
1.98 +
1.99 +/*
1.100 + * Creates a new string from in where the first occurance of sub is
1.101 + * replaced by rep.
1.102 + */
1.103 +char *replace_substring(char *in, char *sub, char *rep)
1.104 +{
1.105 + int in_len = strlen(in);
1.106 + int sub_len = strlen(sub);
1.107 + int rep_len = strlen(rep);
1.108 + char *out = malloc(in_len - sub_len + rep_len + 1);
1.109 + char *p;
1.110 +
1.111 + if (!(p = strstr(in, sub))) {
1.112 + // If sub isn't a substring of in, just return in.
1.113 + return in;
1.114 + }
1.115 +
1.116 + // Copy characters from beginning of in to start of sub.
1.117 + strncpy(out, in, p - in);
1.118 + out[p - in] = '\0';
1.119 +
1.120 + sprintf(out + (p - in), "%s%s", rep, p + sub_len);
1.121 +
1.122 + return out;
1.123 +}
1.124 +
1.125 +char* msys_path_list; // @-separated list of paths prefix to look for
1.126 +char* msys_path_list_end; // Points to last \0 in msys_path_list.
1.127 +
1.128 +void setup_msys_path_list(char* argument)
1.129 +{
1.130 + char* p;
1.131 + char* drive_letter_pos;
1.132 +
1.133 + msys_path_list = strdup(&argument[2]);
1.134 + msys_path_list_end = &msys_path_list[strlen(msys_path_list)];
1.135 +
1.136 + // Convert all at-sign (@) in path list to \0.
1.137 + // @ was chosen as separator to minimize risk of other tools messing around with it
1.138 + p = msys_path_list;
1.139 + do {
1.140 + if (p[1] == ':') {
1.141 + // msys has mangled our path list, restore it from c:/... to /c/...
1.142 + drive_letter_pos = p+1;
1.143 + *drive_letter_pos = *p;
1.144 + *p = '/';
1.145 + }
1.146 +
1.147 + // Look for an @ in the list
1.148 + p = strchr(p, '@');
1.149 + if (p != NULL) {
1.150 + *p = '\0';
1.151 + p++;
1.152 + }
1.153 + } while (p != NULL);
1.154 +}
1.155 +
1.156 +char *replace_cygdrive_msys(char *in)
1.157 +{
1.158 + char* str;
1.159 + char* prefix;
1.160 + char* p;
1.161 +
1.162 + str = strdup(in);
1.163 +
1.164 + // For each prefix in the path list, search for it and replace /c/... with c:/...
1.165 + for (prefix = msys_path_list; prefix < msys_path_list_end && prefix != NULL; prefix += strlen(prefix)+1) {
1.166 + p=str;
1.167 + while ((p = strstr(p, prefix))) {
1.168 + char* drive_letter = p+1;
1.169 + *p = *drive_letter;
1.170 + *drive_letter = ':';
1.171 + p++;
1.172 + }
1.173 + }
1.174 +
1.175 + return str;
1.176 +}
1.177 +
1.178 +char*(*replace_cygdrive)(char *in) = NULL;
1.179 +
1.180 +char *files_to_delete[1024];
1.181 +int num_files_to_delete = 0;
1.182 +
1.183 +char *fix_at_file(char *in)
1.184 +{
1.185 + char *tmpdir;
1.186 + char name[2048];
1.187 + char *atname;
1.188 + char *buffer;
1.189 + size_t buflen=65536;
1.190 + size_t used=0;
1.191 + size_t len;
1.192 + int rc;
1.193 + FILE *atout;
1.194 + FILE *atin;
1.195 + char block[2048];
1.196 + size_t blocklen;
1.197 + char *fixed;
1.198 +
1.199 + atin = fopen(in+1, "r");
1.200 + if (atin == NULL) {
1.201 + fprintf(stderr, "Could not read at file %s\n", in+1);
1.202 + exit(-1);
1.203 + }
1.204 +
1.205 + tmpdir = getenv("TMP");
1.206 + if (tmpdir == NULL) {
1.207 + tmpdir = "c:/cygwin/tmp";
1.208 + }
1.209 + _snprintf(name, sizeof(name), "%s\\atfile_XXXXXX", tmpdir);
1.210 +
1.211 + rc = _mktemp_s(name, strlen(name)+1);
1.212 + if (rc) {
1.213 + fprintf(stderr, "Could not create temporary file name for at file!\n");
1.214 + exit(-1);
1.215 + }
1.216 +
1.217 + atout = fopen(name, "w");
1.218 + if (atout == NULL) {
1.219 + fprintf(stderr, "Could not open temporary file for writing! %s\n", name);
1.220 + exit(-1);
1.221 + }
1.222 +
1.223 + buffer = malloc(buflen);
1.224 + while((blocklen = fread(block,1,sizeof(block),atin)) > 0) {
1.225 + append(&buffer, &buflen, &used, block, blocklen);
1.226 + }
1.227 + buffer[used] = 0;
1.228 + if (getenv("DEBUG_FIXPATH") != NULL) {
1.229 + fprintf(stderr, "fixpath input from @-file %s: %s\n", &in[1], buffer);
1.230 + }
1.231 + fixed = replace_cygdrive(buffer);
1.232 + if (getenv("DEBUG_FIXPATH") != NULL) {
1.233 + fprintf(stderr, "fixpath converted to @-file %s is: %s\n", name, fixed);
1.234 + }
1.235 + fwrite(fixed, strlen(fixed), 1, atout);
1.236 + fclose(atin);
1.237 + fclose(atout);
1.238 + free(fixed);
1.239 + free(buffer);
1.240 + files_to_delete[num_files_to_delete] = malloc(strlen(name)+1);
1.241 + strcpy(files_to_delete[num_files_to_delete], name);
1.242 + num_files_to_delete++;
1.243 + atname = malloc(strlen(name)+2);
1.244 + atname[0] = '@';
1.245 + strcpy(atname+1, name);
1.246 + return atname;
1.247 +}
1.248 +
1.249 +int main(int argc, char **argv)
1.250 +{
1.251 + STARTUPINFO si;
1.252 + PROCESS_INFORMATION pi;
1.253 + unsigned short rc;
1.254 +
1.255 + char *new_at_file;
1.256 + char *old_at_file;
1.257 + char *line;
1.258 + int i;
1.259 + DWORD exitCode;
1.260 +
1.261 + if (argc<3 || argv[1][0] != '-' || (argv[1][1] != 'c' && argv[1][1] != 'm')) {
1.262 + fprintf(stderr, "Usage: fixpath -c|m<path@path@...> /cygdrive/c/WINDOWS/notepad.exe /cygdrive/c/x/test.txt");
1.263 + exit(0);
1.264 + }
1.265 +
1.266 + if (getenv("DEBUG_FIXPATH") != NULL) {
1.267 + fprintf(stderr, "fixpath input line >%s<\n", strstr(GetCommandLine(), argv[1]));
1.268 + }
1.269 +
1.270 + if (argv[1][1] == 'c' && argv[1][2] == '\0') {
1.271 + if (getenv("DEBUG_FIXPATH") != NULL) {
1.272 + fprintf(stderr, "using cygwin mode\n");
1.273 + }
1.274 + replace_cygdrive = replace_cygdrive_cygwin;
1.275 + } else if (argv[1][1] == 'm') {
1.276 + if (getenv("DEBUG_FIXPATH") != NULL) {
1.277 + fprintf(stderr, "using msys mode, with path list: %s\n", &argv[1][2]);
1.278 + }
1.279 + setup_msys_path_list(argv[1]);
1.280 + replace_cygdrive = replace_cygdrive_msys;
1.281 + } else {
1.282 + fprintf(stderr, "Unknown mode: %s\n", argv[1]);
1.283 + exit(-1);
1.284 + }
1.285 + line = replace_cygdrive(strstr(GetCommandLine(), argv[2]));
1.286 +
1.287 + for (i=1; i<argc; ++i) {
1.288 + if (argv[i][0] == '@') {
1.289 + // Found at-file! Fix it!
1.290 + old_at_file = replace_cygdrive(argv[i]);
1.291 + new_at_file = fix_at_file(old_at_file);
1.292 + line = replace_substring(line, old_at_file, new_at_file);
1.293 + }
1.294 + }
1.295 +
1.296 + if (getenv("DEBUG_FIXPATH") != NULL) {
1.297 + fprintf(stderr, "fixpath converted line >%s<\n", line);
1.298 + }
1.299 +
1.300 + ZeroMemory(&si,sizeof(si));
1.301 + si.cb=sizeof(si);
1.302 + ZeroMemory(&pi,sizeof(pi));
1.303 +
1.304 + rc = CreateProcess(NULL,
1.305 + line,
1.306 + 0,
1.307 + 0,
1.308 + TRUE,
1.309 + 0,
1.310 + 0,
1.311 + 0,
1.312 + &si,
1.313 + &pi);
1.314 + if(!rc)
1.315 + {
1.316 + //Could not start process;
1.317 + fprintf(stderr, "Could not start process!\n");
1.318 + exit(-1);
1.319 + }
1.320 +
1.321 + WaitForSingleObject(pi.hProcess,INFINITE);
1.322 + GetExitCodeProcess(pi.hProcess,&exitCode);
1.323 +
1.324 + if (getenv("DEBUG_FIXPATH") != NULL) {
1.325 + for (i=0; i<num_files_to_delete; ++i) {
1.326 + fprintf(stderr, "Not deleting temporary fixpath file %s\n",
1.327 + files_to_delete[i]);
1.328 + }
1.329 + }
1.330 + else {
1.331 + for (i=0; i<num_files_to_delete; ++i) {
1.332 + remove(files_to_delete[i]);
1.333 + }
1.334 + }
1.335 +
1.336 + exit(exitCode);
1.337 +}
