int main(int argc, char *argv[]) { int c; int n; int rval; char *p; setlocale(LC_ALL, ""); traceout = stderr; if (signal(SIGINT, SIG_IGN) != SIG_IGN) signal(SIGINT, onintr); initkwds(); initspaces(); STACKMAX = INITSTACKMAX; mstack = (stae *)xalloc(sizeof(stae) * STACKMAX); sstack = (char *)xalloc(STACKMAX); maxout = 0; outfile = NULL; resizedivs(MAXOUT); while ((c = getopt(argc, argv, "gst:d:D:U:o:I:")) != -1) switch(c) { case 'D': /* define something..*/ for (p = optarg; *p; p++) if (*p == '=') break; if (p == optarg) errx(1, "null variable cannot be defined"); if (*p) *p++ = EOS; dodefine(optarg, p); break; case 'I': addtoincludepath(optarg); break; case 'U': /* undefine... */ remhash(optarg, TOP); break; case 'g': mimic_gnu = 1; break; case 'd': set_trace_flags(optarg); break; case 's': synccpp = 1; break; case 't': mark_traced(optarg, 1); break; case 'o': trace_file(optarg); break; case '?': default: usage(); } argc -= optind; argv += optind; rval = 0; active = stdout; /* default active output */ bbase[0] = bufbase; if (!argc) { sp = -1; /* stack pointer initialized */ fp = 0; /* frame pointer initialized */ set_input(infile+0, stdin, "stdin"); /* default input (naturally) */ if ((inname[0] = strdup("-")) == NULL) err(1, NULL); inlineno[0] = 1; emitline(); macro(); } else for (; argc--; ++argv) { p = *argv; if (p[0] == '-' && p[1] == EOS) set_input(infile, stdin, "stdin"); else if (fopen_trypath(infile, p) == NULL) { warn("%s", p); rval = 1; continue; } sp = -1; fp = 0; if ((inname[0] = strdup(p)) == NULL) err(1, NULL); inlineno[0] = 1; emitline(); macro(); release_input(infile); } if (*m4wraps) { /* anything for rundown ?? */ ilevel = 0; /* in case m4wrap includes.. */ bufbase = bp = buf; /* use the entire buffer */ pbstr(m4wraps); /* user-defined wrapup act */ macro(); /* last will and testament */ } if (active != stdout) active = stdout; /* reset output just in case */ for (n = 1; n < maxout; n++) /* default wrap-up: undivert */ if (outfile[n] != NULL) getdiv(n); /* remove bitbucket if used */ if (outfile[0] != NULL) { (void) fclose(outfile[0]); } exit(rval); }
int main(int argc, char *argv[]) { int c; int n; char *p; if (signal(SIGINT, SIG_IGN) != SIG_IGN) signal(SIGINT, onintr); init_macros(); initspaces(); STACKMAX = INITSTACKMAX; mstack = xreallocarray(NULL, STACKMAX, sizeof(stae), NULL); sstack = xalloc(STACKMAX, NULL); maxout = 0; outfile = NULL; resizedivs(MAXOUT); while ((c = getopt(argc, argv, "gst:d:D:U:o:I:P")) != -1) switch(c) { case 'D': /* define something..*/ for (p = optarg; *p; p++) if (*p == '=') break; if (*p) *p++ = EOS; dodefine(optarg, p); break; case 'I': addtoincludepath(optarg); break; case 'P': prefix_builtins = 1; break; case 'U': /* undefine... */ macro_popdef(optarg); break; case 'g': mimic_gnu = 1; break; case 'd': set_trace_flags(optarg); break; case 's': synch_lines = 1; break; case 't': mark_traced(optarg, 1); break; case 'o': trace_file(optarg); break; case '?': usage(); } argc -= optind; argv += optind; initkwds(); if (mimic_gnu) setup_builtin("format", FORMATTYPE); active = stdout; /* default active output */ bbase[0] = bufbase; if (!argc) { sp = -1; /* stack pointer initialized */ fp = 0; /* frame pointer initialized */ set_input(infile+0, stdin, "stdin"); /* default input (naturally) */ macro(); } else for (; argc--; ++argv) { p = *argv; if (p[0] == '-' && p[1] == EOS) set_input(infile, stdin, "stdin"); else if (fopen_trypath(infile, p) == NULL) err(1, "%s", p); sp = -1; fp = 0; macro(); release_input(infile); } if (wrapindex) { int i; ilevel = 0; /* in case m4wrap includes.. */ bufbase = bp = buf; /* use the entire buffer */ if (mimic_gnu) { while (wrapindex != 0) { for (i = 0; i < wrapindex; i++) pbstr(m4wraps[i]); wrapindex =0; macro(); } } else { for (i = 0; i < wrapindex; i++) { pbstr(m4wraps[i]); macro(); } } } if (active != stdout) active = stdout; /* reset output just in case */ for (n = 1; n < maxout; n++) /* default wrap-up: undivert */ if (outfile[n] != NULL) getdiv(n); /* remove bitbucket if used */ if (outfile[0] != NULL) { (void) fclose(outfile[0]); } return exit_code; }