author | rriggs |
Wed, 04 Sep 2013 15:18:54 +0100 | |
changeset 20519 | eee7a92074fd |
parent 15058 | 61c4ac49cbda |
child 23435 | 098340eccdcb |
permissions | -rw-r--r-- |
14111 | 1 |
/* |
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* Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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#include <Windows.h> |
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#include <io.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <malloc.h> |
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void report_error() |
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{ |
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LPVOID lpMsgBuf; |
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DWORD dw = GetLastError(); |
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FormatMessage( |
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FORMAT_MESSAGE_ALLOCATE_BUFFER | |
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FORMAT_MESSAGE_FROM_SYSTEM | |
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FORMAT_MESSAGE_IGNORE_INSERTS, |
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NULL, |
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dw, |
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
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(LPTSTR) &lpMsgBuf, |
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0, |
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NULL); |
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fprintf(stderr, |
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"Could not start process! Failed with error %d: %s\n", |
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dw, lpMsgBuf); |
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LocalFree(lpMsgBuf); |
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} |
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/* |
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* Test if pos points to /cygdrive/_/ where _ can |
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* be any character. |
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*/ |
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int is_cygdrive_here(int pos, char *in, int len) |
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{ |
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// Length of /cygdrive/c/ is 12 |
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if (pos+12 > len) return 0; |
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if (in[pos+11]=='/' && |
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in[pos+9]=='/' && |
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in[pos+8]=='e' && |
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in[pos+7]=='v' && |
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in[pos+6]=='i' && |
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in[pos+5]=='r' && |
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in[pos+4]=='d' && |
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in[pos+3]=='g' && |
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in[pos+2]=='y' && |
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in[pos+1]=='c' && |
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in[pos+0]=='/') { |
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return 1; |
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} |
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return 0; |
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} |
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/* |
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* Replace /cygdrive/_/ with _:/ |
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* Works in place since drive letter is always |
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* shorter than /cygdrive/ |
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*/ |
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char *replace_cygdrive_cygwin(char *in) |
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{ |
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int len = strlen(in); |
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char *out = malloc(len+1); |
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int i,j; |
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if (len < 12) { |
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strcpy(out, in); |
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return out; |
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} |
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for (i = 0, j = 0; i<len;) { |
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if (is_cygdrive_here(i, in, len)) { |
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out[j++] = in[i+10]; |
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out[j++] = ':'; |
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i+=11; |
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} else { |
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out[j] = in[i]; |
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i++; |
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j++; |
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} |
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} |
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out[j] = 0; |
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return out; |
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} |
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void append(char **b, size_t *bl, size_t *u, char *add, size_t addlen) |
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{ |
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while ( (addlen+*u+1) > *bl) { |
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*bl *= 2; |
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*b = realloc(*b, *bl); |
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} |
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memcpy(*b+*u, add, addlen); |
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*u += addlen; |
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} |
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/* |
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* Creates a new string from in where the first occurance of sub is |
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* replaced by rep. |
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*/ |
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char *replace_substring(char *in, char *sub, char *rep) |
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{ |
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int in_len = strlen(in); |
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int sub_len = strlen(sub); |
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int rep_len = strlen(rep); |
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char *out = malloc(in_len - sub_len + rep_len + 1); |
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char *p; |
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if (!(p = strstr(in, sub))) { |
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// If sub isn't a substring of in, just return in. |
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return in; |
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} |
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// Copy characters from beginning of in to start of sub. |
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strncpy(out, in, p - in); |
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out[p - in] = '\0'; |
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sprintf(out + (p - in), "%s%s", rep, p + sub_len); |
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return out; |
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} |
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char* msys_path_list; // @-separated list of paths prefix to look for |
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char* msys_path_list_end; // Points to last \0 in msys_path_list. |
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void setup_msys_path_list(char* argument) |
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{ |
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char* p; |
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char* drive_letter_pos; |
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msys_path_list = strdup(&argument[2]); |
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msys_path_list_end = &msys_path_list[strlen(msys_path_list)]; |
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// Convert all at-sign (@) in path list to \0. |
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// @ was chosen as separator to minimize risk of other tools messing around with it |
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p = msys_path_list; |
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do { |
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if (p[1] == ':') { |
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// msys has mangled our path list, restore it from c:/... to /c/... |
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drive_letter_pos = p+1; |
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*drive_letter_pos = *p; |
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*p = '/'; |
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} |
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// Look for an @ in the list |
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p = strchr(p, '@'); |
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if (p != NULL) { |
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*p = '\0'; |
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p++; |
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} |
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} while (p != NULL); |
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} |
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char *replace_cygdrive_msys(char *in) |
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{ |
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char* str; |
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char* prefix; |
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char* p; |
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str = strdup(in); |
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// For each prefix in the path list, search for it and replace /c/... with c:/... |
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for (prefix = msys_path_list; prefix < msys_path_list_end && prefix != NULL; prefix += strlen(prefix)+1) { |
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p=str; |
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while ((p = strstr(p, prefix))) { |
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char* drive_letter = p+1; |
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*p = *drive_letter; |
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*drive_letter = ':'; |
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p++; |
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} |
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} |
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return str; |
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} |
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char*(*replace_cygdrive)(char *in) = NULL; |
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char *files_to_delete[1024]; |
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int num_files_to_delete = 0; |
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char *fix_at_file(char *in) |
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{ |
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char *tmpdir; |
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char name[2048]; |
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char *atname; |
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char *buffer; |
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size_t buflen=65536; |
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size_t used=0; |
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size_t len; |
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int rc; |
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FILE *atout; |
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FILE *atin; |
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char block[2048]; |
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size_t blocklen; |
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char *fixed; |
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atin = fopen(in+1, "r"); |
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if (atin == NULL) { |
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fprintf(stderr, "Could not read at file %s\n", in+1); |
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exit(-1); |
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} |
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tmpdir = getenv("TMP"); |
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if (tmpdir == NULL) { |
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tmpdir = "c:/cygwin/tmp"; |
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} |
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_snprintf(name, sizeof(name), "%s\\atfile_XXXXXX", tmpdir); |
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rc = _mktemp_s(name, strlen(name)+1); |
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if (rc) { |
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fprintf(stderr, "Could not create temporary file name for at file!\n"); |
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exit(-1); |
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} |
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atout = fopen(name, "w"); |
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if (atout == NULL) { |
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fprintf(stderr, "Could not open temporary file for writing! %s\n", name); |
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exit(-1); |
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} |
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buffer = malloc(buflen); |
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while((blocklen = fread(block,1,sizeof(block),atin)) > 0) { |
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append(&buffer, &buflen, &used, block, blocklen); |
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} |
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buffer[used] = 0; |
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if (getenv("DEBUG_FIXPATH") != NULL) { |
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fprintf(stderr, "fixpath input from @-file %s: %s\n", &in[1], buffer); |
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250 |
} |
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fixed = replace_cygdrive(buffer); |
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if (getenv("DEBUG_FIXPATH") != NULL) { |
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fprintf(stderr, "fixpath converted to @-file %s is: %s\n", name, fixed); |
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254 |
} |
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fwrite(fixed, strlen(fixed), 1, atout); |
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fclose(atin); |
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fclose(atout); |
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free(fixed); |
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free(buffer); |
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files_to_delete[num_files_to_delete] = malloc(strlen(name)+1); |
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strcpy(files_to_delete[num_files_to_delete], name); |
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num_files_to_delete++; |
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263 |
atname = malloc(strlen(name)+2); |
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264 |
atname[0] = '@'; |
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strcpy(atname+1, name); |
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return atname; |
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267 |
} |
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268 |
||
269 |
int main(int argc, char **argv) |
|
270 |
{ |
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271 |
STARTUPINFO si; |
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272 |
PROCESS_INFORMATION pi; |
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273 |
unsigned short rc; |
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274 |
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275 |
char *new_at_file; |
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276 |
char *old_at_file; |
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277 |
char *line; |
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278 |
int i; |
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279 |
DWORD exitCode; |
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280 |
||
281 |
if (argc<3 || argv[1][0] != '-' || (argv[1][1] != 'c' && argv[1][1] != 'm')) { |
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fprintf(stderr, "Usage: fixpath -c|m<path@path@...> /cygdrive/c/WINDOWS/notepad.exe /cygdrive/c/x/test.txt\n"); |
14111 | 283 |
exit(0); |
284 |
} |
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285 |
||
286 |
if (getenv("DEBUG_FIXPATH") != NULL) { |
|
287 |
fprintf(stderr, "fixpath input line >%s<\n", strstr(GetCommandLine(), argv[1])); |
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288 |
} |
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289 |
||
290 |
if (argv[1][1] == 'c' && argv[1][2] == '\0') { |
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291 |
if (getenv("DEBUG_FIXPATH") != NULL) { |
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292 |
fprintf(stderr, "using cygwin mode\n"); |
|
293 |
} |
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294 |
replace_cygdrive = replace_cygdrive_cygwin; |
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} else if (argv[1][1] == 'm') { |
|
296 |
if (getenv("DEBUG_FIXPATH") != NULL) { |
|
297 |
fprintf(stderr, "using msys mode, with path list: %s\n", &argv[1][2]); |
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298 |
} |
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299 |
setup_msys_path_list(argv[1]); |
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300 |
replace_cygdrive = replace_cygdrive_msys; |
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301 |
} else { |
|
302 |
fprintf(stderr, "Unknown mode: %s\n", argv[1]); |
|
303 |
exit(-1); |
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304 |
} |
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305 |
line = replace_cygdrive(strstr(GetCommandLine(), argv[2])); |
|
306 |
||
307 |
for (i=1; i<argc; ++i) { |
|
308 |
if (argv[i][0] == '@') { |
|
309 |
// Found at-file! Fix it! |
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310 |
old_at_file = replace_cygdrive(argv[i]); |
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311 |
new_at_file = fix_at_file(old_at_file); |
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312 |
line = replace_substring(line, old_at_file, new_at_file); |
|
313 |
} |
|
314 |
} |
|
315 |
||
316 |
if (getenv("DEBUG_FIXPATH") != NULL) { |
|
317 |
fprintf(stderr, "fixpath converted line >%s<\n", line); |
|
318 |
} |
|
319 |
||
320 |
ZeroMemory(&si,sizeof(si)); |
|
321 |
si.cb=sizeof(si); |
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322 |
ZeroMemory(&pi,sizeof(pi)); |
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323 |
||
324 |
rc = CreateProcess(NULL, |
|
325 |
line, |
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326 |
0, |
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327 |
0, |
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328 |
TRUE, |
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329 |
0, |
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330 |
0, |
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0, |
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332 |
&si, |
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333 |
&pi); |
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if(!rc) { |
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// Could not start process for some reason. Try to report why: |
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report_error(); |
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exit(rc); |
14111 | 338 |
} |
339 |
||
340 |
WaitForSingleObject(pi.hProcess,INFINITE); |
|
341 |
GetExitCodeProcess(pi.hProcess,&exitCode); |
|
342 |
||
343 |
if (getenv("DEBUG_FIXPATH") != NULL) { |
|
344 |
for (i=0; i<num_files_to_delete; ++i) { |
|
345 |
fprintf(stderr, "Not deleting temporary fixpath file %s\n", |
|
346 |
files_to_delete[i]); |
|
347 |
} |
|
348 |
} |
|
349 |
else { |
|
350 |
for (i=0; i<num_files_to_delete; ++i) { |
|
351 |
remove(files_to_delete[i]); |
|
352 |
} |
|
353 |
} |
|
354 |
||
355 |
exit(exitCode); |
|
356 |
} |