jdk8-mips64-public: common/src/fixpath.c@7f60c2d9823e (annotated)

common/src/fixpath.c@7f60c2d9823e (annotated)

common/src/fixpath.c

Mon, 14 Sep 2020 16:42:03 +0100

author: andrew
date: Mon, 14 Sep 2020 16:42:03 +0100
changeset 2554: 7f60c2d9823e
parent 564: befbad2e4d87
child 1133: 50aaf272884f
permissions: -rw-r--r--

Added tag jdk8u272-b08 for changeset 34c6baf21464

 /*
  * 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>
 void report_error()
 {
   LPVOID lpMsgBuf;
   DWORD dw = GetLastError();
   FormatMessage(
       FORMAT_MESSAGE_ALLOCATE_BUFFER |
       FORMAT_MESSAGE_FROM_SYSTEM |
       FORMAT_MESSAGE_IGNORE_INSERTS,
       NULL,
       dw,
       MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
       (LPTSTR) &lpMsgBuf,
 ,
       NULL);
   fprintf(stderr,
           "Could not start process!  Failed with error %d: %s\n",
           dw, lpMsgBuf);
   LocalFree(lpMsgBuf);
 }
 /*
  * 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_cygwin(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* msys_path_list; // @-separated list of paths prefix to look for
 char* msys_path_list_end; // Points to last \0 in msys_path_list.
 void setup_msys_path_list(char* argument)
 {
   char* p;
   char* drive_letter_pos;
   msys_path_list = strdup(&argument[2]);
   msys_path_list_end = &msys_path_list[strlen(msys_path_list)];
   // Convert all at-sign (@) in path list to \0.
   // @ was chosen as separator to minimize risk of other tools messing around with it
   p = msys_path_list;
   do {
     if (p[1] == ':') {
       // msys has mangled our path list, restore it from c:/... to /c/...
       drive_letter_pos = p+1;
       *drive_letter_pos = *p;
       *p = '/';
     }
     // Look for an @ in the list
     p = strchr(p, '@');
     if (p != NULL) {
       *p = '\0';
       p++;
     }
   } while (p != NULL);
 }
 char *replace_cygdrive_msys(char *in)
 {
   char* str;
   char* prefix;
   char* p;
   str = strdup(in);
   // For each prefix in the path list, search for it and replace /c/... with c:/...
   for (prefix = msys_path_list; prefix < msys_path_list_end && prefix != NULL; prefix += strlen(prefix)+1) {
     p=str;
     while ((p = strstr(p, prefix))) {
       char* drive_letter = p+1;
       *p = *drive_letter;
       *drive_letter = ':';
       p++;
     }
   }
   return str;
 }
 char*(*replace_cygdrive)(char *in) = NULL;
 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 not 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;
   if (getenv("DEBUG_FIXPATH") != NULL) {
     fprintf(stderr, "fixpath input from @-file %s: %s\n", &in[1], buffer);
   }
   fixed = replace_cygdrive(buffer);
   if (getenv("DEBUG_FIXPATH") != NULL) {
     fprintf(stderr, "fixpath converted to @-file %s is: %s\n", name, fixed);
   }
   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<3 || argv[1][0] != '-' || (argv[1][1] != 'c' && argv[1][1] != 'm')) {
         fprintf(stderr, "Usage: fixpath -c|m<path@path@...> /cygdrive/c/WINDOWS/notepad.exe /cygdrive/c/x/test.txt\n");
         exit(0);
     }
     if (getenv("DEBUG_FIXPATH") != NULL) {
       fprintf(stderr, "fixpath input line >%s<\n", strstr(GetCommandLine(), argv[1]));
     }
     if (argv[1][1] == 'c' && argv[1][2] == '\0') {
       if (getenv("DEBUG_FIXPATH") != NULL) {
         fprintf(stderr, "using cygwin mode\n");
       }
       replace_cygdrive = replace_cygdrive_cygwin;
     } else if (argv[1][1] == 'm') {
       if (getenv("DEBUG_FIXPATH") != NULL) {
         fprintf(stderr, "using msys mode, with path list: %s\n", &argv[1][2]);
       }
       setup_msys_path_list(argv[1]);
       replace_cygdrive = replace_cygdrive_msys;
     } else {
       fprintf(stderr, "Unknown mode: %s\n", argv[1]);
       exit(-1);
     }
     line = replace_cygdrive(strstr(GetCommandLine(), argv[2]));
     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_FIXPATH") != NULL) {
       fprintf(stderr, "fixpath converted line >%s<\n", line);
     }
     ZeroMemory(&si,sizeof(si));
     si.cb=sizeof(si);
     ZeroMemory(&pi,sizeof(pi));
     rc = CreateProcess(NULL,
                        line,
 ,
 ,
                        TRUE,
 ,
 ,
 ,
                        &si,
                        &pi);
     if(!rc) {
       // Could not start process for some reason.  Try to report why:
       report_error();
       exit(rc);
     }
     WaitForSingleObject(pi.hProcess,INFINITE);
     GetExitCodeProcess(pi.hProcess,&exitCode);
     if (getenv("DEBUG_FIXPATH") != NULL) {
       for (i=0; i<num_files_to_delete; ++i) {
         fprintf(stderr, "Not deleting temporary fixpath 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 / annotate

common/src/fixpath.c@7f60c2d9823e (annotated)

common/src/fixpath.c