Use en* instead of e* function family in tsort(1)
The wtf macros overwrote the semantics, for more clarity this has been fixed.
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50b30bbd69
commit
102baab4c4
16
tsort.c
16
tsort.c
@ -63,7 +63,7 @@ add_vertex(char *name)
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if (vertex)
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return vertex;
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vertex = ecalloc(1, sizeof(*vertex));
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vertex = encalloc(2, 1, sizeof(*vertex));
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vertex->name = name;
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vertex->next = prev->next;
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prev->next = vertex;
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@ -81,7 +81,7 @@ add_edge(struct vertex* from, struct vertex* to)
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if (edge)
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return edge;
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edge = ecalloc(1, sizeof(*edge));
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edge = encalloc(2, 1, sizeof(*edge));
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edge->to = to;
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edge->next = prev->next;
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prev->next = edge;
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@ -113,9 +113,9 @@ load_graph(FILE *fp)
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SKIP(p, name, !isspace);
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TOKEN_END(p);
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if (!from) {
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from = add_vertex(estrdup(name));
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from = add_vertex(enstrdup(2, name));
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} else if (strcmp(from->name, name)) {
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add_edge(from, add_vertex(estrdup(name)));
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add_edge(from, add_vertex(enstrdup(2, name)));
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from = 0;
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} else {
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from = 0;
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@ -126,7 +126,7 @@ load_graph(FILE *fp)
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free(line);
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if (from)
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eprintf("odd number of tokens in input\n");
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enprintf(2, "odd number of tokens in input\n");
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}
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static int
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@ -177,7 +177,7 @@ sort_graph(void)
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static void
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usage(void)
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{
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eprintf("usage: %s [file]\n", argv0);
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enprintf(2, "usage: %s [file]\n", argv0);
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}
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int
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@ -196,11 +196,11 @@ main(int argc, char *argv[])
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usage();
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if (argc && strcmp(*argv, "-"))
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if (!(fp = fopen(fn = *argv, "r")))
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eprintf("fopen %s:", *argv);
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enprintf(2, "fopen %s:", *argv);
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memset(&graph, 0, sizeof(graph));
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load_graph(fp);
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efshut(fp, fn);
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enfshut(2, fp, fn);
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ret = sort_graph();
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