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Improve handling of files with foreign newline sequences.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@3163 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2004-07-18 08:46:12 +00:00
parent 104f041111
commit 9b2834ef7e
1 changed files with 18 additions and 0 deletions
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18
src/ca65/scanner.c
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@ -466,6 +466,8 @@ static void NextChar (void)
/* Check for end of line, read the next line if needed */
while (IFile->Line [IFile->Pos.Col] == '\0') {
unsigned Len, Removed;
/* End of current line reached, read next line */
if (fgets (IFile->Line, sizeof (IFile->Line), IFile->F) == 0) {
/* End of file. Add an empty line to the listing. This is a
@ -476,6 +478,22 @@ static void NextChar (void)
return;
}
/* For better handling of files with unusual line endings (DOS
* files that are accidently translated on Unix for example),
* first remove all whitespace at the end, then add a single
* newline.
*/
Len = strlen (IFile->Line);
Removed = 0;
while (Len > 0 && IsSpace (IFile->Line[Len-1])) {
++Removed;
--Len;
}
if (Removed) {
IFile->Line[Len+0] = '\n';
IFile->Line[Len+1] = '\0';
}
/* One more line */
IFile->Pos.Line++;
IFile->Pos.Col = 0;