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26 lines
721 B
26 lines
721 B
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 c2b166d..c9a51e9 100644 |
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--- a/cmd/tools/gvgen.c |
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+++ b/cmd/tools/gvgen.c |
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@@ -453,6 +453,8 @@ 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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