rpcgen: Clarify behaviour for idx
The re-initialisation of idx in the later else branch is a bit hidden, and results in deviation from the earlier two paths. Use more consistent code instead to make it abundantly clear what's going on.
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@ -270,18 +270,18 @@ add_warning(void)
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static void
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prepend_cpp(void)
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{
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int idx = 1;
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int idx = 0;
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const char *var;
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char *dupvar, *s, *t;
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if (CPP != NULL)
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insarg(0, CPP);
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insarg(idx++, CPP);
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else if ((var = getenv("RPCGEN_CPP")) == NULL)
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insarg(0, "/usr/bin/cpp");
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insarg(idx++, "/usr/bin/cpp");
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else {
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/* Parse command line in a rudimentary way */
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dupvar = xstrdup(var);
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for (s = dupvar, idx = 0; (t = strsep(&s, " \t")) != NULL; ) {
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for (s = dupvar; (t = strsep(&s, " \t")) != NULL; ) {
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if (t[0])
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insarg(idx++, t);
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}
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