27 lines
721 B
Diff
27 lines
721 B
Diff
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diff --git a/cmd/lefty/dot2l/dotlex.c b/cmd/lefty/dot2l/dotlex.c
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index cf738c0..65e17e2 100644
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--- a/cmd/lefty/dot2l/dotlex.c
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+++ b/cmd/lefty/dot2l/dotlex.c
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@@ -252,7 +252,7 @@ static char *scan_token (char *p) {
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char *q;
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q = lexbuf;
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- if (p == '\0')
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+ if (!p || *p == '\0')
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return NULL;
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while (isalnum (*p) || (*p == '_') || (!isascii (*p)))
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*q++ = *p++;
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diff --git a/cmd/tools/gvgen.c b/cmd/tools/gvgen.c
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index 662343e..2925d19 100644
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--- a/cmd/tools/gvgen.c
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+++ b/cmd/tools/gvgen.c
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@@ -458,6 +458,8 @@ closeOpen (void)
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fprintf(opts.outfile, "}\ngraph {\n");
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}
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+extern void makeTetrix(int depth, edgefn ef);
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+
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int main(int argc, char *argv[])
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{
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GraphType graphType;
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