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- #include <stdlib.h>
- #include <string.h>
- #include "cpp.h"
-
- Includelist includelist[NINCLUDE];
-
- extern char *objname;
-
- void
- doinclude(Tokenrow *trp)
- {
- char fname[256], iname[256];
- Includelist *ip;
- int angled, len, fd, i;
-
- trp->tp += 1;
- if (trp->tp>=trp->lp)
- goto syntax;
- if (trp->tp->type!=STRING && trp->tp->type!=LT) {
- len = trp->tp - trp->bp;
- expandrow(trp, "<include>");
- trp->tp = trp->bp+len;
- }
- if (trp->tp->type==STRING) {
- len = trp->tp->len-2;
- if (len > sizeof(fname) - 1)
- len = sizeof(fname) - 1;
- strncpy(fname, (char*)trp->tp->t+1, len);
- angled = 0;
- } else {
- len = 0;
- trp->tp++;
- while (trp->tp->type!=GT) {
- if (trp->tp>trp->lp || len+trp->tp->len+2 >= sizeof(fname))
- goto syntax;
- strncpy(fname+len, (char*)trp->tp->t, trp->tp->len);
- len += trp->tp->len;
- trp->tp++;
- }
- angled = 1;
- }
- trp->tp += 2;
- if (trp->tp < trp->lp || len==0)
- goto syntax;
- fname[len] = '\0';
- if (fname[0]=='/') {
- fd = open(fname, 0);
- strcpy(iname, fname);
- } else for (fd = -1,i=NINCLUDE-1; i>=0; i--) {
- ip = &includelist[i];
- if (ip->file==NULL || ip->deleted || (angled && ip->always==0))
- continue;
- if (strlen(fname)+strlen(ip->file)+2 > sizeof(iname))
- continue;
- strcpy(iname, ip->file);
- #ifndef AMIGA
- strcat(iname, "/");
- #else
- if (strcmp(iname, ".") == 0) {
- /* "./foo" doesn't work on the amiga--use "foo" instead" */
- iname[0] = 0;
- }else{
- if (iname[strlen(iname)-1] != ':' && iname[strlen(iname)-1] != '/') {
- /* do not append "/" to volume names and paths ending in
- "/", which is the Amiga's equivalent of ".." */
- strcat(iname, "/");
- }
- }
- #endif
- strcat(iname, fname);
- if ((fd = open(iname, 0)) >= 0)
- break;
- }
- if ( Mflag>1 || !angled&&Mflag==1 ) {
- write(1,objname,strlen(objname));
- write(1,iname,strlen(iname));
- write(1,"\n",1);
- }
- if (fd >= 0) {
- if (++incdepth > 10)
- error(FATAL, "#include too deeply nested");
- setsource((char*)newstring((uchar*)iname, strlen(iname), 0), fd, NULL);
- genline();
- } else {
- trp->tp = trp->bp+2;
- error(ERROR, "Could not find include file %r", trp);
- }
- return;
- syntax:
- error(ERROR, "Syntax error in #include");
- return;
- }
-
- /*
- * Generate a line directive for cursource
- */
- void
- genline(void)
- {
- static Token ta = { UNCLASS };
- static Tokenrow tr = { &ta, &ta, &ta+1, 1 };
- uchar *p;
-
- ta.t = p = (uchar*)outp;
- strcpy((char*)p, "#line ");
- p += sizeof("#line ")-1;
- p = (uchar*)outnum((char*)p, cursource->line);
- *p++ = ' '; *p++ = '"';
- if (cursource->filename[0]!='/' && wd[0]) {
- strcpy((char*)p, wd);
- p += strlen(wd);
- *p++ = '/';
- }
- strcpy((char*)p, cursource->filename);
- p += strlen((char*)p);
- *p++ = '"'; *p++ = '\n';
- ta.len = (char*)p-outp;
- outp = (char*)p;
- tr.tp = tr.bp;
- puttokens(&tr);
- }
-
- void
- setobjname(char *f)
- {
- int n = strlen(f);
- objname = (char*)domalloc(n+5);
- strcpy(objname,f);
- if(objname[n-2]=='.'){
- strcpy(objname+n-1,"$O: ");
- }else{
- strcpy(objname+n,"$O: ");
- }
- }
-