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cmListFileLexer: fix 'bail out on seek-errors' also in original file

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The commit v3.9.0-rc1~502^2 (cmListFileLexer: bail out on seek-errors,
2017-02-19) for bug # 16607 was only applied to the generated file.

Also apply the fix now to the original.

Signed-off-by: Matthias Maennich <matthias@maennich.net>
This commit is contained in:
Matthias Maennich
2017-08-25 16:28:21 +02:00
parent c7c639f2f3
commit 9cacb0cba4
1 changed files with 6 additions and 2 deletions
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8
Source/LexerParser/cmListFileLexer.in.l
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@@ -439,11 +439,15 @@ static cmListFileLexer_BOM cmListFileLexer_ReadBOM(FILE* f)
if (fread(b, 1, 2, f) == 2 && b[0] == 0 && b[1] == 0) {
return cmListFileLexer_BOM_UTF32LE;
}
fsetpos(f, &p);
if (fsetpos(f, &p) != 0) {
return cmListFileLexer_BOM_Broken;
}
return cmListFileLexer_BOM_UTF16LE;
}
}
rewind(f);
if (fseek(f, 0, SEEK_SET) != 0) {
return cmListFileLexer_BOM_Broken;
}
return cmListFileLexer_BOM_None;
}