jdk8-mips64-public: comparison common/src/uncygdrive.c

-:42f275168fa5
+:e1830598f0b7
+/*
+* Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+*
+* This code is free software; you can redistribute it and/or modify it
+* under the terms of the GNU General Public License version 2 only, as
+* published by the Free Software Foundation.  Oracle designates this
+* particular file as subject to the "Classpath" exception as provided
+* by Oracle in the LICENSE file that accompanied this code.
+*
+* This code 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
+* version 2 for more details (a copy is included in the LICENSE file that
+* accompanied this code).
+*
+* You should have received a copy of the GNU General Public License version
+* 2 along with this work; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+*
+* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+* or visit www.oracle.com if you need additional information or have any
+* questions.
+*/
+#include <Windows.h>
+#include <io.h>
+#include <stdio.h>
+#include <string.h>
+#include <malloc.h>
+/*
+* Test if pos points to /cygdrive/_/ where _ can
+* be any character.
+*/
+int is_cygdrive_here(int pos, char *in, int len)
+{
+// Length of /cygdrive/c/ is 12
+if (pos+12 > len) return 0;
+if (in[pos+11]=='/' &&
+in[pos+9]=='/' &&
+in[pos+8]=='e' &&
+in[pos+7]=='v' &&
+in[pos+6]=='i' &&
+in[pos+5]=='r' &&
+in[pos+4]=='d' &&
+in[pos+3]=='g' &&
+in[pos+2]=='y' &&
+in[pos+1]=='c' &&
+in[pos+0]=='/') {
+return 1;
+}
+return 0;
+}
+/*
+* Replace /cygdrive/_/ with _:/
+* Works in place since drive letter is always
+* shorter than /cygdrive/
+*/
+char *replace_cygdrive(char *in)
+{
+int len = strlen(in);
+char *out = malloc(len+1);
+int i,j;
+if (len < 12) {
+strcpy(out, in);
+return out;
+}
+for (i = 0, j = 0; i<len;) {
+if (is_cygdrive_here(i, in, len)) {
+out[j++] = in[i+10];
+out[j++] = ':';
+i+=11;
+} else {
+out[j] = in[i];
+i++;
+j++;
+}
+}
+out[j] = 0;
+return out;
+}
+void append(char **b, size_t *bl, size_t *u, char *add, size_t addlen)
+{
+while ( (addlen+*u+1) > *bl) {
+*bl *= 2;
+*b = realloc(*b, *bl);
+}
+memcpy(*b+*u, add, addlen);
+*u += addlen;
+}
+/*
+* Creates a new string from in where the first occurance of sub is
+* replaced by rep.
+*/
+char *replace_substring(char *in, char *sub, char *rep)
+{
+int in_len = strlen(in);
+int sub_len = strlen(sub);
+int rep_len = strlen(rep);
+char *out = malloc(in_len - sub_len + rep_len + 1);
+char *p;
+if (!(p = strstr(in, sub))) {
+// If sub isn't a substring of in, just return in.
+return in;
+}
+// Copy characters from beginning of in to start of sub.
+strncpy(out, in, p - in);
+out[p - in] = '\0';
+sprintf(out + (p - in), "%s%s", rep, p + sub_len);
+return out;
+}
+char *files_to_delete[1024];
+int num_files_to_delete = 0;
+char *fix_at_file(char *in)
+{
+char *tmpdir;
+char name[2048];
+char *atname;
+char *buffer;
+size_t buflen=65536;
+size_t used=0;
+size_t len;
+int rc;
+FILE *atout;
+FILE *atin;
+char block[2048];
+size_t blocklen;
+char *fixed;
+atin = fopen(in+1, "r");
+if (atin == NULL) {
+fprintf(stderr, "Could not read at file %s\n", in+1);
+exit(-1);
+}
+tmpdir = getenv("TMP");
+if (tmpdir == NULL) {
+tmpdir = "c:/cygwin/tmp";
+}
+_snprintf(name, sizeof(name), "%s\\atfile_XXXXXX", tmpdir);
+rc = _mktemp_s(name, strlen(name)+1);
+if (rc) {
+fprintf(stderr, "Could not create temporary file name for at file!\n");
+exit(-1);
+}
+atout = fopen(name, "w");
+if (atout == NULL) {
+fprintf(stderr, "Could open temporary file for writing! %s\n", name);
+exit(-1);
+}
+buffer = malloc(buflen);
+while((blocklen = fread(block,1,sizeof(block),atin)) > 0) {
+append(&buffer, &buflen, &used, block, blocklen);
+}
+buffer[used] = 0;
+fixed = replace_cygdrive(buffer);
+fwrite(fixed, strlen(fixed), 1, atout);
+fclose(atin);
+fclose(atout);
+free(fixed);
+free(buffer);
+files_to_delete[num_files_to_delete] = malloc(strlen(name)+1);
+strcpy(files_to_delete[num_files_to_delete], name);
+num_files_to_delete++;
+atname = malloc(strlen(name)+2);
+atname[0] = '@';
+strcpy(atname+1, name);
+return atname;
+}
+int main(int argc, char **argv)
+{
+STARTUPINFO si;
+PROCESS_INFORMATION pi;
+unsigned short rc;
+char *new_at_file;
+char *old_at_file;
+char *line;
+int i;
+DWORD exitCode;
+if (argc<2) {
+fprintf(stderr, "Usage: uncygdrive.exe /cygdrive/c/WINDOWS/notepad.exe /cygdrive/c/x/test.txt");
+exit(0);
+}
+line = replace_cygdrive(strstr(GetCommandLine(), argv[1]));
+for (i=1; i<argc; ++i) {
+if (argv[i][0] == '@') {
+// Found at-file! Fix it!
+old_at_file = replace_cygdrive(argv[i]);
+new_at_file = fix_at_file(old_at_file);
+line = replace_substring(line, old_at_file, new_at_file);
+}
+}
+if (getenv("DEBUG_UNCYGDRIVE") != NULL) {
+fprintf(stderr, "uncygdrive >%s<\n", line);
+}
+ZeroMemory(&si,sizeof(si));
+si.cb=sizeof(si);
+ZeroMemory(&pi,sizeof(pi));
+rc = CreateProcess(NULL,
+line,
+0,
+0,
+TRUE,
+0,
+0,
+0,
+&si,
+&pi);
+if(!rc)
+{
+//Could not start process;
+fprintf(stderr, "Could not start process!\n");
+exit(-1);
+}
+WaitForSingleObject(pi.hProcess,INFINITE);
+GetExitCodeProcess(pi.hProcess,&exitCode);
+if (getenv("DEBUG_UNCYGDRIVE") != NULL) {
+for (i=0; i<num_files_to_delete; ++i) {
+fprintf(stderr, "Not deleting temporary uncygdrive file %s\n",
+files_to_delete[i]);
+}
+}
+else {
+for (i=0; i<num_files_to_delete; ++i) {
+remove(files_to_delete[i]);
+}
+}
+exit(exitCode);
+}

Mercurial > jdk8-mips64-public / file comparison

comparison: common/src/uncygdrive.c

common/src/uncygdrive.c