Update so Windows build works like Cygwin buid
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9940 6f19259b-4bc3-4df7-8a09-765794883524
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@@ -26,6 +26,16 @@ typedef struct {
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char *Replace;
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} MATCH_PAIR;
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void
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Usage (char *Name)
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{
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printf ("\n%s OldFile NewFile MatchString ReplaceString [MatchString2 ReplaceString2]*\n", Name);
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printf (" OldFile - Must be arg[1] File to search for MatchStrings\n");
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printf (" NewFile - Must be arg[2] File where MatchString has been replaced with ReplaceString\n");
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printf (" MatchString & ReplaceString. Required arguments.\n");
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printf (" More MatchString/ReplaceString pairs are supported.\n");
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}
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//
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// argv[1] - Old File
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// argv[2] - New File
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@@ -44,10 +54,11 @@ main (int argc, char **argv)
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int Found;
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if (argc < 5) {
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// Need at least two files and two strings
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fprintf (stderr, "Need at least two files and one Match/Replacement string pair\n");
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Usage (argv[0]);
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return -1;
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} else if ((argc % 2) == 0) {
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// Match and Replace string must come in pairs
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fprintf (stderr, "Match and Replace string must come in pairs\n");
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return -4;
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}
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@@ -55,6 +66,7 @@ main (int argc, char **argv)
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fseek (In, 0, SEEK_END);
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InFileSize = ftell (In);
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if (InFileSize == 0) {
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fprintf (stderr, "Could not open %s\n", argv[1]);
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return -6;
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}
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fseek (In, 0, SEEK_SET);
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@@ -62,11 +74,11 @@ main (int argc, char **argv)
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Out = fopen (argv[2], "w+");
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if ((In == NULL) || (Out == NULL)) {
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fprintf (stderr, "Could not open %s\n", argv[2]);
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return -2;
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}
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MaxMatch = (argc - 2)/2;
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printf ("\nMaxMatch = %d:%d\n", MaxMatch, argc);
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Match = calloc (MaxMatch, sizeof (MATCH_PAIR));
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if (Match == NULL) {
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return -7;
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@@ -76,7 +88,6 @@ main (int argc, char **argv)
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Match[n].Match = argv[3 + n*2];
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Match[n].MatchSize = strlen (argv[3 + n*2]);
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Match[n].Replace = argv[3 + n*2 + 1];
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printf ("%s > %s\n", Match[n].Match, Match[n].Replace);
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if (Match[n].MatchSize > MaxLenKey) {
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// Max size of match/replace string pair
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MaxLenKey = Match[n].MatchSize;
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@@ -91,6 +102,13 @@ printf ("%s > %s\n", Match[n].Match, Match[n].Replace);
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return -5;
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}
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// Search for a match by reading every possition of the file
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// into a buffer that is as big as the maximum search key size.
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// Then we can search the keys for a match. If no match
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// copy the old file character to the new file. If it is a match
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// then copy the replacement string into the output file.
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// This code assumes the file system is smart and caches the
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// file in a buffer. So all the reads don't really hit the disk.
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InFilePos = 0;
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while (InFilePos < (InFileSize - MinLenKey)) {
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fseek (In, InFilePos, SEEK_SET);
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@@ -98,9 +116,7 @@ printf ("%s > %s\n", Match[n].Match, Match[n].Replace);
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for (i = 0, Found = FALSE;i < MaxMatch; i++) {
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if (ReadCount >= Match[i].MatchSize) {
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if (!memcmp (Key, Match[i].Match, Match[i].MatchSize)) {
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printf ("Found [%s] @ %u\n", Match[i].Match, InFilePos);
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InFilePos += (Match[i].MatchSize - 1);
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printf ("InFilePos = %u", InFilePos);
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fputs (Match[i].Replace, Out);
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Found = TRUE;
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break;
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@@ -114,10 +130,17 @@ printf ("%s > %s\n", Match[n].Match, Match[n].Replace);
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InFilePos++;
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}
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// We stoped searching when we got to the point that we could no longer match.
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// So the last few bytes of the file are not copied in the privous loop
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fseek (In, InFilePos, SEEK_SET);
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while ((c = fgetc (In)) != EOF) {
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fputc (c, Out);
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}
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fclose (In);
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fclose (Out);
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free (Key);
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free (Match);
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return 0;
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}
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