910643ccbb
+ Addition of function prototypes and include files. + Change function definitions to ANSI C style. + Initial support for CMake
102 lines
2 KiB
C
102 lines
2 KiB
C
/*
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* Check structures for make.
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*
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* $Header$
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*/
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#include <stdio.h>
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#include "h.h"
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/*
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* Recursive routine that does the actual checking.
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*/
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static void check(struct name *np)
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{
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register struct depend * dp;
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register struct line * lp;
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if (np->n_flag & N_MARK)
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fatal("Circular dependency from %s", np->n_name);
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np->n_flag |= N_MARK;
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for (lp = np->n_line; lp; lp = lp->l_next)
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for (dp = lp->l_dep; dp; dp = dp->d_next)
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check(dp->d_name);
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np->n_flag &= (uchar)~N_MARK;
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}
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/*
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* Prints out the structures as defined in memory. Good for check
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* that you make file does what you want (and for debugging make).
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*/
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void prt(void)
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{
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register struct name * np;
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register struct depend * dp;
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register struct line * lp;
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register struct cmd * cp;
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register struct macro * mp;
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for (mp = macrohead; mp; mp = mp->m_next)
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fprintf(stderr, "%s = %s\n", mp->m_name, mp->m_val);
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fputc('\n', stderr);
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for (np = namehead.n_next; np; np = np->n_next)
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{
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if (np->n_flag & N_DOUBLE)
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fprintf(stderr, "%s::\n", np->n_name);
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else
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fprintf(stderr, "%s:\n", np->n_name);
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if (np == firstname)
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fprintf(stderr, "(MAIN NAME)\n");
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for (lp = np->n_line; lp; lp = lp->l_next)
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{
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fputc(':', stderr);
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for (dp = lp->l_dep; dp; dp = dp->d_next)
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fprintf(stderr, " %s", dp->d_name->n_name);
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fputc('\n', stderr);
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for (cp = lp->l_cmd; cp; cp = cp->c_next)
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fprintf(stderr, "-\t%s\n", cp->c_cmd);
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fputc('\n', stderr);
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}
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fputc('\n', stderr);
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}
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}
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/*
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* Look for circular dependancies.
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* ie.
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* a: b
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* b: a
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* is a circular dep
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*/
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void circh(void)
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{
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register struct name * np;
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for (np = namehead.n_next; np; np = np->n_next)
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check(np);
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}
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/*
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* Check the target .PRECIOUS, and mark its dependentd as precious
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*/
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void precious(void)
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{
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register struct depend * dp;
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register struct line * lp;
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register struct name * np;
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if (!((np = newname(".PRECIOUS"))->n_flag & N_TARG))
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return;
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for (lp = np->n_line; lp; lp = lp->l_next)
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for (dp = lp->l_dep; dp; dp = dp->d_next)
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dp->d_name->n_flag |= N_PREC;
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}
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