crunchgen.c revision 1722
11722Sjkh/* 21722Sjkh * Copyright (c) 1994 University of Maryland 31722Sjkh * All Rights Reserved. 41722Sjkh * 51722Sjkh * Permission to use, copy, modify, distribute, and sell this software and its 61722Sjkh * documentation for any purpose is hereby granted without fee, provided that 71722Sjkh * the above copyright notice appear in all copies and that both that 81722Sjkh * copyright notice and this permission notice appear in supporting 91722Sjkh * documentation, and that the name of U.M. not be used in advertising or 101722Sjkh * publicity pertaining to distribution of the software without specific, 111722Sjkh * written prior permission. U.M. makes no representations about the 121722Sjkh * suitability of this software for any purpose. It is provided "as is" 131722Sjkh * without express or implied warranty. 141722Sjkh * 151722Sjkh * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL 161722Sjkh * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M. 171722Sjkh * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 181722Sjkh * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 191722Sjkh * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 201722Sjkh * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 211722Sjkh * 221722Sjkh * Author: James da Silva, Systems Design and Analysis Group 231722Sjkh * Computer Science Department 241722Sjkh * University of Maryland at College Park 251722Sjkh */ 261722Sjkh/* 271722Sjkh * ======================================================================== 281722Sjkh * crunchgen.c 291722Sjkh * 301722Sjkh * Generates a Makefile and main C file for a crunched executable, 311722Sjkh * from specs given in a .conf file. 321722Sjkh */ 331722Sjkh#include <stdlib.h> 341722Sjkh#include <unistd.h> 351722Sjkh#include <stdio.h> 361722Sjkh#include <ctype.h> 371722Sjkh#include <string.h> 381722Sjkh 391722Sjkh#include <sys/types.h> 401722Sjkh#include <sys/stat.h> 411722Sjkh#include <sys/param.h> 421722Sjkh 431722Sjkh#define CRUNCH_VERSION "0.2" 441722Sjkh 451722Sjkh#define MAXLINELEN 16384 461722Sjkh#define MAXFIELDS 2048 471722Sjkh 481722Sjkh 491722Sjkh/* internal representation of conf file: */ 501722Sjkh 511722Sjkh/* simple lists of strings suffice for most parms */ 521722Sjkh 531722Sjkhtypedef struct strlst { 541722Sjkh struct strlst *next; 551722Sjkh char *str; 561722Sjkh} strlst_t; 571722Sjkh 581722Sjkh/* progs have structure, each field can be set with "special" or calculated */ 591722Sjkh 601722Sjkhtypedef struct prog { 611722Sjkh struct prog *next; 621722Sjkh char *name, *ident; 631722Sjkh char *srcdir, *objdir; 641722Sjkh strlst_t *objs, *objpaths; 651722Sjkh strlst_t *links; 661722Sjkh int goterror; 671722Sjkh} prog_t; 681722Sjkh 691722Sjkh 701722Sjkh/* global state */ 711722Sjkh 721722Sjkhstrlst_t *srcdirs = NULL; 731722Sjkhstrlst_t *libs = NULL; 741722Sjkhprog_t *progs = NULL; 751722Sjkh 761722Sjkhchar line[MAXLINELEN]; 771722Sjkh 781722Sjkhchar confname[MAXPATHLEN], infilename[MAXPATHLEN]; 791722Sjkhchar outmkname[MAXPATHLEN], outcfname[MAXPATHLEN], execfname[MAXPATHLEN]; 801722Sjkhchar tempfname[MAXPATHLEN], cachename[MAXPATHLEN], curfilename[MAXPATHLEN]; 811722Sjkhint linenum = -1; 821722Sjkhint goterror = 0; 831722Sjkh 841722Sjkhchar *pname = "crunchgen"; 851722Sjkh 861722Sjkhint verbose, readcache; /* options */ 871722Sjkhint reading_cache; 881722Sjkh 891722Sjkh/* general library routines */ 901722Sjkh 911722Sjkhvoid status(char *str); 921722Sjkhvoid out_of_memory(void); 931722Sjkhvoid add_string(strlst_t **listp, char *str); 941722Sjkhint is_dir(char *pathname); 951722Sjkhint is_nonempty_file(char *pathname); 961722Sjkh 971722Sjkh/* helper routines for main() */ 981722Sjkh 991722Sjkhvoid usage(void); 1001722Sjkhvoid parse_conf_file(void); 1011722Sjkhvoid gen_outputs(void); 1021722Sjkh 1031722Sjkh 1041722Sjkhint main(int argc, char **argv) 1051722Sjkh{ 1061722Sjkh char *p; 1071722Sjkh int optc; 1081722Sjkh extern int optind; 1091722Sjkh extern char *optarg; 1101722Sjkh 1111722Sjkh verbose = 1; 1121722Sjkh readcache = 1; 1131722Sjkh *outmkname = *outcfname = *execfname = '\0'; 1141722Sjkh 1151722Sjkh if(argc > 0) pname = argv[0]; 1161722Sjkh 1171722Sjkh while((optc = getopt(argc, argv, "m:c:e:fq")) != -1) { 1181722Sjkh switch(optc) { 1191722Sjkh case 'f': readcache = 0; break; 1201722Sjkh case 'q': verbose = 0; break; 1211722Sjkh 1221722Sjkh case 'm': strcpy(outmkname, optarg); break; 1231722Sjkh case 'c': strcpy(outcfname, optarg); break; 1241722Sjkh case 'e': strcpy(execfname, optarg); break; 1251722Sjkh 1261722Sjkh case '?': 1271722Sjkh default: usage(); 1281722Sjkh } 1291722Sjkh } 1301722Sjkh 1311722Sjkh argc -= optind; 1321722Sjkh argv += optind; 1331722Sjkh 1341722Sjkh if(argc != 1) usage(); 1351722Sjkh 1361722Sjkh /* 1371722Sjkh * generate filenames 1381722Sjkh */ 1391722Sjkh 1401722Sjkh strcpy(infilename, argv[0]); 1411722Sjkh 1421722Sjkh /* confname = `basename infilename .conf` */ 1431722Sjkh 1441722Sjkh if((p=strrchr(infilename, '/')) != NULL) strcpy(confname, p+1); 1451722Sjkh else strcpy(confname, infilename); 1461722Sjkh if((p=strrchr(confname, '.')) != NULL && !strcmp(p, ".conf")) *p = '\0'; 1471722Sjkh 1481722Sjkh if(!*outmkname) sprintf(outmkname, "%s.mk", confname); 1491722Sjkh if(!*outcfname) sprintf(outcfname, "%s.c", confname); 1501722Sjkh if(!*execfname) sprintf(execfname, "%s", confname); 1511722Sjkh 1521722Sjkh sprintf(cachename, "%s.cache", confname); 1531722Sjkh sprintf(tempfname, ".tmp_%sXXXXXX", confname); 1541722Sjkh if(mktemp(tempfname) == NULL) { 1551722Sjkh perror(tempfname); 1561722Sjkh exit(1); 1571722Sjkh } 1581722Sjkh 1591722Sjkh parse_conf_file(); 1601722Sjkh gen_outputs(); 1611722Sjkh 1621722Sjkh exit(goterror); 1631722Sjkh} 1641722Sjkh 1651722Sjkh 1661722Sjkhvoid usage(void) 1671722Sjkh{ 1681722Sjkh fprintf(stderr, 1691722Sjkh "%s [-fq] [-m <makefile>] [-c <c file>] [-e <exec file>] <conffile>\n", 1701722Sjkh pname); 1711722Sjkh exit(1); 1721722Sjkh} 1731722Sjkh 1741722Sjkh 1751722Sjkh/* 1761722Sjkh * ======================================================================== 1771722Sjkh * parse_conf_file subsystem 1781722Sjkh * 1791722Sjkh */ 1801722Sjkh 1811722Sjkh/* helper routines for parse_conf_file */ 1821722Sjkh 1831722Sjkhvoid parse_one_file(char *filename); 1841722Sjkhvoid parse_line(char *line, int *fc, char **fv, int nf); 1851722Sjkhvoid add_srcdirs(int argc, char **argv); 1861722Sjkhvoid add_progs(int argc, char **argv); 1871722Sjkhvoid add_link(int argc, char **argv); 1881722Sjkhvoid add_libs(int argc, char **argv); 1891722Sjkhvoid add_special(int argc, char **argv); 1901722Sjkh 1911722Sjkhprog_t *find_prog(char *str); 1921722Sjkhvoid add_prog(char *progname); 1931722Sjkh 1941722Sjkh 1951722Sjkhvoid parse_conf_file(void) 1961722Sjkh{ 1971722Sjkh if(!is_nonempty_file(infilename)) { 1981722Sjkh fprintf(stderr, "%s: fatal: input file \"%s\" not found.\n", 1991722Sjkh pname, infilename); 2001722Sjkh exit(1); 2011722Sjkh } 2021722Sjkh parse_one_file(infilename); 2031722Sjkh if(readcache && is_nonempty_file(cachename)) { 2041722Sjkh reading_cache = 1; 2051722Sjkh parse_one_file(cachename); 2061722Sjkh } 2071722Sjkh} 2081722Sjkh 2091722Sjkh 2101722Sjkhvoid parse_one_file(char *filename) 2111722Sjkh{ 2121722Sjkh char *fieldv[MAXFIELDS]; 2131722Sjkh int fieldc; 2141722Sjkh void (*f)(int c, char **v); 2151722Sjkh FILE *cf; 2161722Sjkh 2171722Sjkh sprintf(line, "reading %s", filename); 2181722Sjkh status(line); 2191722Sjkh strcpy(curfilename, filename); 2201722Sjkh 2211722Sjkh if((cf = fopen(curfilename, "r")) == NULL) { 2221722Sjkh perror(curfilename); 2231722Sjkh goterror = 1; 2241722Sjkh return; 2251722Sjkh } 2261722Sjkh 2271722Sjkh linenum = 0; 2281722Sjkh while(fgets(line, MAXLINELEN, cf) != NULL) { 2291722Sjkh linenum++; 2301722Sjkh parse_line(line, &fieldc, fieldv, MAXFIELDS); 2311722Sjkh if(fieldc < 1) continue; 2321722Sjkh if(!strcmp(fieldv[0], "srcdirs")) f = add_srcdirs; 2331722Sjkh else if(!strcmp(fieldv[0], "progs")) f = add_progs; 2341722Sjkh else if(!strcmp(fieldv[0], "ln")) f = add_link; 2351722Sjkh else if(!strcmp(fieldv[0], "libs")) f = add_libs; 2361722Sjkh else if(!strcmp(fieldv[0], "special")) f = add_special; 2371722Sjkh else { 2381722Sjkh fprintf(stderr, "%s:%d: skipping unknown command `%s'.\n", 2391722Sjkh curfilename, linenum, fieldv[0]); 2401722Sjkh goterror = 1; 2411722Sjkh continue; 2421722Sjkh } 2431722Sjkh if(fieldc < 2) { 2441722Sjkh fprintf(stderr, 2451722Sjkh "%s:%d: %s command needs at least 1 argument, skipping.\n", 2461722Sjkh curfilename, linenum, fieldv[0]); 2471722Sjkh goterror = 1; 2481722Sjkh continue; 2491722Sjkh } 2501722Sjkh f(fieldc, fieldv); 2511722Sjkh } 2521722Sjkh 2531722Sjkh if(ferror(cf)) { 2541722Sjkh perror(curfilename); 2551722Sjkh goterror = 1; 2561722Sjkh } 2571722Sjkh fclose(cf); 2581722Sjkh} 2591722Sjkh 2601722Sjkh 2611722Sjkhvoid parse_line(char *line, int *fc, char **fv, int nf) 2621722Sjkh{ 2631722Sjkh char *p; 2641722Sjkh 2651722Sjkh p = line; 2661722Sjkh *fc = 0; 2671722Sjkh while(1) { 2681722Sjkh while(isspace(*p)) p++; 2691722Sjkh if(*p == '\0' || *p == '#') break; 2701722Sjkh 2711722Sjkh if(*fc < nf) fv[(*fc)++] = p; 2721722Sjkh while(*p && !isspace(*p) && *p != '#') p++; 2731722Sjkh if(*p == '\0' || *p == '#') break; 2741722Sjkh *p++ = '\0'; 2751722Sjkh } 2761722Sjkh if(*p) *p = '\0'; /* needed for '#' case */ 2771722Sjkh} 2781722Sjkh 2791722Sjkh 2801722Sjkhvoid add_srcdirs(int argc, char **argv) 2811722Sjkh{ 2821722Sjkh int i; 2831722Sjkh 2841722Sjkh for(i=1;i<argc;i++) { 2851722Sjkh if(is_dir(argv[i])) 2861722Sjkh add_string(&srcdirs, argv[i]); 2871722Sjkh else { 2881722Sjkh fprintf(stderr, "%s:%d: `%s' is not a directory, skipping it.\n", 2891722Sjkh curfilename, linenum, argv[i]); 2901722Sjkh goterror = 1; 2911722Sjkh } 2921722Sjkh } 2931722Sjkh} 2941722Sjkh 2951722Sjkh 2961722Sjkhvoid add_progs(int argc, char **argv) 2971722Sjkh{ 2981722Sjkh int i; 2991722Sjkh 3001722Sjkh for(i=1;i<argc;i++) 3011722Sjkh add_prog(argv[i]); 3021722Sjkh} 3031722Sjkh 3041722Sjkh 3051722Sjkhvoid add_prog(char *progname) 3061722Sjkh{ 3071722Sjkh prog_t *p1, *p2; 3081722Sjkh 3091722Sjkh /* add to end, but be smart about dups */ 3101722Sjkh 3111722Sjkh for(p1 = NULL, p2 = progs; p2 != NULL; p1 = p2, p2 = p2->next) 3121722Sjkh if(!strcmp(p2->name, progname)) return; 3131722Sjkh 3141722Sjkh p2 = malloc(sizeof(prog_t)); 3151722Sjkh if(p2) p2->name = strdup(progname); 3161722Sjkh if(!p2 || !p2->name) 3171722Sjkh out_of_memory(); 3181722Sjkh 3191722Sjkh p2->next = NULL; 3201722Sjkh if(p1 == NULL) progs = p2; 3211722Sjkh else p1->next = p2; 3221722Sjkh 3231722Sjkh p2->ident = p2->srcdir = p2->objdir = NULL; 3241722Sjkh p2->links = p2->objs = NULL; 3251722Sjkh p2->goterror = 0; 3261722Sjkh} 3271722Sjkh 3281722Sjkh 3291722Sjkhvoid add_link(int argc, char **argv) 3301722Sjkh{ 3311722Sjkh int i; 3321722Sjkh prog_t *p = find_prog(argv[1]); 3331722Sjkh 3341722Sjkh if(p == NULL) { 3351722Sjkh fprintf(stderr, 3361722Sjkh "%s:%d: no prog %s previously declared, skipping link.\n", 3371722Sjkh curfilename, linenum, argv[1]); 3381722Sjkh goterror = 1; 3391722Sjkh return; 3401722Sjkh } 3411722Sjkh for(i=2;i<argc;i++) 3421722Sjkh add_string(&p->links, argv[i]); 3431722Sjkh} 3441722Sjkh 3451722Sjkh 3461722Sjkhvoid add_libs(int argc, char **argv) 3471722Sjkh{ 3481722Sjkh int i; 3491722Sjkh 3501722Sjkh for(i=1;i<argc;i++) 3511722Sjkh add_string(&libs, argv[i]); 3521722Sjkh} 3531722Sjkh 3541722Sjkh 3551722Sjkhvoid add_special(int argc, char **argv) 3561722Sjkh{ 3571722Sjkh int i; 3581722Sjkh prog_t *p = find_prog(argv[1]); 3591722Sjkh 3601722Sjkh if(p == NULL) { 3611722Sjkh if(reading_cache) return; 3621722Sjkh fprintf(stderr, 3631722Sjkh "%s:%d: no prog %s previously declared, skipping special.\n", 3641722Sjkh curfilename, linenum, argv[1]); 3651722Sjkh goterror = 1; 3661722Sjkh return; 3671722Sjkh } 3681722Sjkh 3691722Sjkh if(!strcmp(argv[2], "ident")) { 3701722Sjkh if(argc != 4) goto argcount; 3711722Sjkh if((p->ident = strdup(argv[3])) == NULL) 3721722Sjkh out_of_memory(); 3731722Sjkh } 3741722Sjkh else if(!strcmp(argv[2], "srcdir")) { 3751722Sjkh if(argc != 4) goto argcount; 3761722Sjkh if((p->srcdir = strdup(argv[3])) == NULL) 3771722Sjkh out_of_memory(); 3781722Sjkh } 3791722Sjkh else if(!strcmp(argv[2], "objdir")) { 3801722Sjkh if(argc != 4) goto argcount; 3811722Sjkh if((p->objdir = strdup(argv[3])) == NULL) 3821722Sjkh out_of_memory(); 3831722Sjkh } 3841722Sjkh else if(!strcmp(argv[2], "objs")) { 3851722Sjkh p->objs = NULL; 3861722Sjkh for(i=3;i<argc;i++) 3871722Sjkh add_string(&p->objs, argv[i]); 3881722Sjkh } 3891722Sjkh else if(!strcmp(argv[2], "objpaths")) { 3901722Sjkh p->objpaths = NULL; 3911722Sjkh for(i=3;i<argc;i++) 3921722Sjkh add_string(&p->objpaths, argv[i]); 3931722Sjkh } 3941722Sjkh else { 3951722Sjkh fprintf(stderr, "%s:%d: bad parameter name `%s', skipping line.\n", 3961722Sjkh curfilename, linenum, argv[2]); 3971722Sjkh goterror = 1; 3981722Sjkh } 3991722Sjkh return; 4001722Sjkh 4011722Sjkh 4021722Sjkh argcount: 4031722Sjkh fprintf(stderr, 4041722Sjkh "%s:%d: too %s arguments, expected \"special %s %s <string>\".\n", 4051722Sjkh curfilename, linenum, argc < 4? "few" : "many", argv[1], argv[2]); 4061722Sjkh goterror = 1; 4071722Sjkh} 4081722Sjkh 4091722Sjkh 4101722Sjkhprog_t *find_prog(char *str) 4111722Sjkh{ 4121722Sjkh prog_t *p; 4131722Sjkh 4141722Sjkh for(p = progs; p != NULL; p = p->next) 4151722Sjkh if(!strcmp(p->name, str)) return p; 4161722Sjkh 4171722Sjkh return NULL; 4181722Sjkh} 4191722Sjkh 4201722Sjkh 4211722Sjkh/* 4221722Sjkh * ======================================================================== 4231722Sjkh * gen_outputs subsystem 4241722Sjkh * 4251722Sjkh */ 4261722Sjkh 4271722Sjkh/* helper subroutines */ 4281722Sjkh 4291722Sjkhvoid remove_error_progs(void); 4301722Sjkhvoid fillin_program(prog_t *p); 4311722Sjkhvoid gen_specials_cache(void); 4321722Sjkhvoid gen_output_makefile(void); 4331722Sjkhvoid gen_output_cfile(void); 4341722Sjkh 4351722Sjkhvoid fillin_program_objs(prog_t *p, char *path); 4361722Sjkhvoid top_makefile_rules(FILE *outmk); 4371722Sjkhvoid prog_makefile_rules(FILE *outmk, prog_t *p); 4381722Sjkhvoid output_strlst(FILE *outf, strlst_t *lst); 4391722Sjkhchar *genident(char *str); 4401722Sjkhchar *dir_search(char *progname); 4411722Sjkh 4421722Sjkh 4431722Sjkhvoid gen_outputs(void) 4441722Sjkh{ 4451722Sjkh prog_t *p; 4461722Sjkh 4471722Sjkh for(p = progs; p != NULL; p = p->next) 4481722Sjkh fillin_program(p); 4491722Sjkh 4501722Sjkh remove_error_progs(); 4511722Sjkh gen_specials_cache(); 4521722Sjkh gen_output_cfile(); 4531722Sjkh gen_output_makefile(); 4541722Sjkh status(""); 4551722Sjkh fprintf(stderr, 4561722Sjkh "Run \"make -f %s objs exe\" to build crunched binary.\n", 4571722Sjkh outmkname); 4581722Sjkh} 4591722Sjkh 4601722Sjkh 4611722Sjkhvoid fillin_program(prog_t *p) 4621722Sjkh{ 4631722Sjkh char path[MAXPATHLEN]; 4641722Sjkh char *srcparent; 4651722Sjkh strlst_t *s; 4661722Sjkh 4671722Sjkh sprintf(line, "filling in parms for %s", p->name); 4681722Sjkh status(line); 4691722Sjkh 4701722Sjkh if(!p->ident) 4711722Sjkh p->ident = genident(p->name); 4721722Sjkh if(!p->srcdir) { 4731722Sjkh srcparent = dir_search(p->name); 4741722Sjkh if(srcparent) 4751722Sjkh sprintf(path, "%s/%s", srcparent, p->name); 4761722Sjkh if(is_dir(path)) 4771722Sjkh p->srcdir = strdup(path); 4781722Sjkh } 4791722Sjkh if(!p->objdir && p->srcdir) { 4801722Sjkh sprintf(path, "%s/obj", p->srcdir); 4811722Sjkh if(is_dir(path)) 4821722Sjkh p->objdir = strdup(path); 4831722Sjkh else 4841722Sjkh p->objdir = p->srcdir; 4851722Sjkh } 4861722Sjkh 4871722Sjkh if(p->srcdir) sprintf(path, "%s/Makefile", p->srcdir); 4881722Sjkh if(!p->objs && p->srcdir && is_nonempty_file(path)) 4891722Sjkh fillin_program_objs(p, path); 4901722Sjkh 4911722Sjkh if(!p->objpaths && p->objdir && p->objs) 4921722Sjkh for(s = p->objs; s != NULL; s = s->next) { 4931722Sjkh sprintf(line, "%s/%s", p->objdir, s->str); 4941722Sjkh add_string(&p->objpaths, line); 4951722Sjkh } 4961722Sjkh 4971722Sjkh if(!p->srcdir && verbose) 4981722Sjkh fprintf(stderr, "%s: %s: warning: could not find source directory.\n", 4991722Sjkh infilename, p->name); 5001722Sjkh if(!p->objs && verbose) 5011722Sjkh fprintf(stderr, "%s: %s: warning: could not find any .o files.\n", 5021722Sjkh infilename, p->name); 5031722Sjkh 5041722Sjkh if(!p->objpaths) { 5051722Sjkh fprintf(stderr, 5061722Sjkh "%s: %s: error: no objpaths specified or calculated.\n", 5071722Sjkh infilename, p->name); 5081722Sjkh p->goterror = goterror = 1; 5091722Sjkh } 5101722Sjkh} 5111722Sjkh 5121722Sjkhvoid fillin_program_objs(prog_t *p, char *path) 5131722Sjkh{ 5141722Sjkh char *obj, *cp; 5151722Sjkh int rc; 5161722Sjkh FILE *f; 5171722Sjkh 5181722Sjkh /* discover the objs from the srcdir Makefile */ 5191722Sjkh 5201722Sjkh if((f = fopen(tempfname, "w")) == NULL) { 5211722Sjkh perror(tempfname); 5221722Sjkh goterror = 1; 5231722Sjkh return; 5241722Sjkh } 5251722Sjkh 5261722Sjkh fprintf(f, ".include \"%s\"\n", path); 5271722Sjkh fprintf(f, ".if defined(PROG) && !defined(OBJS)\n"); 5281722Sjkh fprintf(f, "OBJS=${PROG}.o\n"); 5291722Sjkh fprintf(f, ".endif\n"); 5301722Sjkh fprintf(f, "crunchgen_objs:\n\t@echo 'OBJS= '${OBJS}\n"); 5311722Sjkh fclose(f); 5321722Sjkh 5331722Sjkh sprintf(line, "make -f %s crunchgen_objs 2>&1", tempfname); 5341722Sjkh if((f = popen(line, "r")) == NULL) { 5351722Sjkh perror("submake pipe"); 5361722Sjkh goterror = 1; 5371722Sjkh return; 5381722Sjkh } 5391722Sjkh 5401722Sjkh while(fgets(line, MAXLINELEN, f)) { 5411722Sjkh if(strncmp(line, "OBJS= ", 6)) { 5421722Sjkh fprintf(stderr, "make error: %s", line); 5431722Sjkh goterror = 1; 5441722Sjkh continue; 5451722Sjkh } 5461722Sjkh cp = line + 6; 5471722Sjkh while(isspace(*cp)) cp++; 5481722Sjkh while(*cp) { 5491722Sjkh obj = cp; 5501722Sjkh while(*cp && !isspace(*cp)) cp++; 5511722Sjkh if(*cp) *cp++ = '\0'; 5521722Sjkh add_string(&p->objs, obj); 5531722Sjkh while(isspace(*cp)) cp++; 5541722Sjkh } 5551722Sjkh } 5561722Sjkh if((rc=pclose(f)) != 0) { 5571722Sjkh fprintf(stderr, "make error: make returned %d\n", rc); 5581722Sjkh goterror = 1; 5591722Sjkh } 5601722Sjkh unlink(tempfname); 5611722Sjkh} 5621722Sjkh 5631722Sjkhvoid remove_error_progs(void) 5641722Sjkh{ 5651722Sjkh prog_t *p1, *p2; 5661722Sjkh 5671722Sjkh p1 = NULL; p2 = progs; 5681722Sjkh while(p2 != NULL) { 5691722Sjkh if(!p2->goterror) 5701722Sjkh p1 = p2, p2 = p2->next; 5711722Sjkh else { 5721722Sjkh /* delete it from linked list */ 5731722Sjkh fprintf(stderr, "%s: %s: ignoring program because of errors.\n", 5741722Sjkh infilename, p2->name); 5751722Sjkh if(p1) p1->next = p2->next; 5761722Sjkh else progs = p2->next; 5771722Sjkh p2 = p2->next; 5781722Sjkh } 5791722Sjkh } 5801722Sjkh} 5811722Sjkh 5821722Sjkhvoid gen_specials_cache(void) 5831722Sjkh{ 5841722Sjkh FILE *cachef; 5851722Sjkh prog_t *p; 5861722Sjkh 5871722Sjkh sprintf(line, "generating %s", cachename); 5881722Sjkh status(line); 5891722Sjkh 5901722Sjkh if((cachef = fopen(cachename, "w")) == NULL) { 5911722Sjkh perror(cachename); 5921722Sjkh goterror = 1; 5931722Sjkh return; 5941722Sjkh } 5951722Sjkh 5961722Sjkh fprintf(cachef, "# %s - parm cache generated from %s by crunchgen %s\n\n", 5971722Sjkh cachename, infilename, CRUNCH_VERSION); 5981722Sjkh 5991722Sjkh for(p = progs; p != NULL; p = p->next) { 6001722Sjkh fprintf(cachef, "\n"); 6011722Sjkh if(p->srcdir) 6021722Sjkh fprintf(cachef, "special %s srcdir %s\n", p->name, p->srcdir); 6031722Sjkh if(p->objdir) 6041722Sjkh fprintf(cachef, "special %s objdir %s\n", p->name, p->objdir); 6051722Sjkh if(p->objs) { 6061722Sjkh fprintf(cachef, "special %s objs", p->name); 6071722Sjkh output_strlst(cachef, p->objs); 6081722Sjkh } 6091722Sjkh fprintf(cachef, "special %s objpaths", p->name); 6101722Sjkh output_strlst(cachef, p->objpaths); 6111722Sjkh } 6121722Sjkh fclose(cachef); 6131722Sjkh} 6141722Sjkh 6151722Sjkh 6161722Sjkhvoid gen_output_makefile(void) 6171722Sjkh{ 6181722Sjkh prog_t *p; 6191722Sjkh FILE *outmk; 6201722Sjkh 6211722Sjkh sprintf(line, "generating %s", outmkname); 6221722Sjkh status(line); 6231722Sjkh 6241722Sjkh if((outmk = fopen(outmkname, "w")) == NULL) { 6251722Sjkh perror(outmkname); 6261722Sjkh goterror = 1; 6271722Sjkh return; 6281722Sjkh } 6291722Sjkh 6301722Sjkh fprintf(outmk, "# %s - generated from %s by crunchgen %s\n\n", 6311722Sjkh outmkname, infilename, CRUNCH_VERSION); 6321722Sjkh 6331722Sjkh top_makefile_rules(outmk); 6341722Sjkh 6351722Sjkh for(p = progs; p != NULL; p = p->next) 6361722Sjkh prog_makefile_rules(outmk, p); 6371722Sjkh 6381722Sjkh fprintf(outmk, "\n# ========\n"); 6391722Sjkh fclose(outmk); 6401722Sjkh} 6411722Sjkh 6421722Sjkh 6431722Sjkhvoid gen_output_cfile(void) 6441722Sjkh{ 6451722Sjkh extern char *crunched_skel[]; 6461722Sjkh char **cp; 6471722Sjkh FILE *outcf; 6481722Sjkh prog_t *p; 6491722Sjkh strlst_t *s; 6501722Sjkh 6511722Sjkh sprintf(line, "generating %s", outcfname); 6521722Sjkh status(line); 6531722Sjkh 6541722Sjkh if((outcf = fopen(outcfname, "w")) == NULL) { 6551722Sjkh perror(outcfname); 6561722Sjkh goterror = 1; 6571722Sjkh return; 6581722Sjkh } 6591722Sjkh 6601722Sjkh fprintf(outcf, 6611722Sjkh "/* %s - generated from %s by crunchgen %s */\n", 6621722Sjkh outcfname, infilename, CRUNCH_VERSION); 6631722Sjkh 6641722Sjkh fprintf(outcf, "#define EXECNAME \"%s\"\n", execfname); 6651722Sjkh for(cp = crunched_skel; *cp != NULL; cp++) 6661722Sjkh fprintf(outcf, "%s\n", *cp); 6671722Sjkh 6681722Sjkh for(p = progs; p != NULL; p = p->next) 6691722Sjkh fprintf(outcf, "extern int _crunched_%s_stub();\n", p->ident); 6701722Sjkh 6711722Sjkh fprintf(outcf, "\nstruct stub entry_points[] = {\n"); 6721722Sjkh for(p = progs; p != NULL; p = p->next) { 6731722Sjkh fprintf(outcf, "\t{ \"%s\", _crunched_%s_stub },\n", 6741722Sjkh p->name, p->ident); 6751722Sjkh for(s = p->links; s != NULL; s = s->next) 6761722Sjkh fprintf(outcf, "\t{ \"%s\", _crunched_%s_stub },\n", 6771722Sjkh s->str, p->ident); 6781722Sjkh } 6791722Sjkh 6801722Sjkh fprintf(outcf, "\t{ EXECNAME, crunched_main },\n"); 6811722Sjkh fprintf(outcf, "\t{ NULL, NULL }\n};\n"); 6821722Sjkh fclose(outcf); 6831722Sjkh} 6841722Sjkh 6851722Sjkh 6861722Sjkhchar *genident(char *str) 6871722Sjkh{ 6881722Sjkh char *n,*s,*d; 6891722Sjkh 6901722Sjkh /* 6911722Sjkh * generates a Makefile/C identifier from a program name, mapping '-' to 6921722Sjkh * '_' and ignoring all other non-identifier characters. This leads to 6931722Sjkh * programs named "foo.bar" and "foobar" to map to the same identifier. 6941722Sjkh */ 6951722Sjkh 6961722Sjkh if((n = strdup(str)) == NULL) 6971722Sjkh return NULL; 6981722Sjkh for(d = s = n; *s != '\0'; s++) { 6991722Sjkh if(*s == '-') *d++ = '_'; 7001722Sjkh else if(*s == '_' || isalnum(*s)) *d++ = *s; 7011722Sjkh } 7021722Sjkh *d = '\0'; 7031722Sjkh return n; 7041722Sjkh} 7051722Sjkh 7061722Sjkh 7071722Sjkhchar *dir_search(char *progname) 7081722Sjkh{ 7091722Sjkh char path[MAXPATHLEN]; 7101722Sjkh strlst_t *dir; 7111722Sjkh 7121722Sjkh for(dir=srcdirs; dir != NULL; dir=dir->next) { 7131722Sjkh sprintf(path, "%s/%s", dir->str, progname); 7141722Sjkh if(is_dir(path)) return dir->str; 7151722Sjkh } 7161722Sjkh return NULL; 7171722Sjkh} 7181722Sjkh 7191722Sjkh 7201722Sjkhvoid top_makefile_rules(FILE *outmk) 7211722Sjkh{ 7221722Sjkh prog_t *p; 7231722Sjkh 7241722Sjkh fprintf(outmk, "LIBS="); 7251722Sjkh output_strlst(outmk, libs); 7261722Sjkh 7271722Sjkh fprintf(outmk, "CRUNCHED_OBJS="); 7281722Sjkh for(p = progs; p != NULL; p = p->next) 7291722Sjkh fprintf(outmk, " %s.lo", p->name); 7301722Sjkh fprintf(outmk, "\n"); 7311722Sjkh 7321722Sjkh fprintf(outmk, "SUBMAKE_TARGETS="); 7331722Sjkh for(p = progs; p != NULL; p = p->next) 7341722Sjkh fprintf(outmk, " %s_make", p->ident); 7351722Sjkh fprintf(outmk, "\n\n"); 7361722Sjkh 7371722Sjkh fprintf(outmk, "%s: %s.o $(CRUNCHED_OBJS)\n", 7381722Sjkh execfname, execfname); 7391722Sjkh fprintf(outmk, "\t$(CC) -static -o %s %s.o $(CRUNCHED_OBJS) $(LIBS)\n", 7401722Sjkh execfname, execfname); 7411722Sjkh fprintf(outmk, "\tstrip %s\n", execfname); 7421722Sjkh fprintf(outmk, "all: objs exe\nobjs: $(SUBMAKE_TARGETS)\n"); 7431722Sjkh fprintf(outmk, "exe: %s\n", execfname); 7441722Sjkh fprintf(outmk, "clean:\n\trm -f %s *.lo *.o *_stub.c\n", 7451722Sjkh execfname); 7461722Sjkh} 7471722Sjkh 7481722Sjkh 7491722Sjkhvoid prog_makefile_rules(FILE *outmk, prog_t *p) 7501722Sjkh{ 7511722Sjkh fprintf(outmk, "\n# -------- %s\n\n", p->name); 7521722Sjkh 7531722Sjkh if(p->srcdir && p->objs) { 7541722Sjkh fprintf(outmk, "%s_SRCDIR=%s\n", p->ident, p->srcdir); 7551722Sjkh fprintf(outmk, "%s_OBJS=", p->ident); 7561722Sjkh output_strlst(outmk, p->objs); 7571722Sjkh fprintf(outmk, "%s_make:\n", p->ident); 7581722Sjkh fprintf(outmk, "\t(cd $(%s_SRCDIR); make $(%s_OBJS))\n\n", 7591722Sjkh p->ident, p->ident); 7601722Sjkh } 7611722Sjkh else 7621722Sjkh fprintf(outmk, "%s_make:\n\t@echo \"** cannot make objs for %s\"\n\n", 7631722Sjkh p->ident, p->name); 7641722Sjkh 7651722Sjkh fprintf(outmk, "%s_OBJPATHS=", p->ident); 7661722Sjkh output_strlst(outmk, p->objpaths); 7671722Sjkh 7681722Sjkh fprintf(outmk, "%s_stub.c:\n", p->name); 7691722Sjkh fprintf(outmk, "\techo \"" 7701722Sjkh "int _crunched_%s_stub(int argc, char **argv, char **envp)" 7711722Sjkh "{return main(argc,argv,envp);}\" >%s_stub.c\n", 7721722Sjkh p->ident, p->name); 7731722Sjkh fprintf(outmk, "%s.lo: %s_stub.o $(%s_OBJPATHS)\n", 7741722Sjkh p->name, p->name, p->ident); 7751722Sjkh fprintf(outmk, "\tld -dc -r -o %s.lo %s_stub.o $(%s_OBJPATHS)\n", 7761722Sjkh p->name, p->name, p->ident); 7771722Sjkh fprintf(outmk, "\tcrunchide -k __crunched_%s_stub %s.lo\n", 7781722Sjkh p->ident, p->name); 7791722Sjkh} 7801722Sjkh 7811722Sjkhvoid output_strlst(FILE *outf, strlst_t *lst) 7821722Sjkh{ 7831722Sjkh for(; lst != NULL; lst = lst->next) 7841722Sjkh fprintf(outf, " %s", lst->str); 7851722Sjkh fprintf(outf, "\n"); 7861722Sjkh} 7871722Sjkh 7881722Sjkh 7891722Sjkh/* 7901722Sjkh * ======================================================================== 7911722Sjkh * general library routines 7921722Sjkh * 7931722Sjkh */ 7941722Sjkh 7951722Sjkhvoid status(char *str) 7961722Sjkh{ 7971722Sjkh static int lastlen = 0; 7981722Sjkh int len, spaces; 7991722Sjkh 8001722Sjkh if(!verbose) return; 8011722Sjkh 8021722Sjkh len = strlen(str); 8031722Sjkh spaces = lastlen - len; 8041722Sjkh if(spaces < 1) spaces = 1; 8051722Sjkh 8061722Sjkh fprintf(stderr, " [%s]%*.*s\r", str, spaces, spaces, " "); 8071722Sjkh fflush(stderr); 8081722Sjkh lastlen = len; 8091722Sjkh} 8101722Sjkh 8111722Sjkh 8121722Sjkhvoid out_of_memory(void) 8131722Sjkh{ 8141722Sjkh fprintf(stderr, "%s: %d: out of memory, stopping.\n", infilename, linenum); 8151722Sjkh exit(1); 8161722Sjkh} 8171722Sjkh 8181722Sjkh 8191722Sjkhvoid add_string(strlst_t **listp, char *str) 8201722Sjkh{ 8211722Sjkh strlst_t *p1, *p2; 8221722Sjkh 8231722Sjkh /* add to end, but be smart about dups */ 8241722Sjkh 8251722Sjkh for(p1 = NULL, p2 = *listp; p2 != NULL; p1 = p2, p2 = p2->next) 8261722Sjkh if(!strcmp(p2->str, str)) return; 8271722Sjkh 8281722Sjkh p2 = malloc(sizeof(strlst_t)); 8291722Sjkh if(p2) p2->str = strdup(str); 8301722Sjkh if(!p2 || !p2->str) 8311722Sjkh out_of_memory(); 8321722Sjkh 8331722Sjkh p2->next = NULL; 8341722Sjkh if(p1 == NULL) *listp = p2; 8351722Sjkh else p1->next = p2; 8361722Sjkh} 8371722Sjkh 8381722Sjkh 8391722Sjkhint is_dir(char *pathname) 8401722Sjkh{ 8411722Sjkh struct stat buf; 8421722Sjkh 8431722Sjkh if(stat(pathname, &buf) == -1) 8441722Sjkh return 0; 8451722Sjkh return S_ISDIR(buf.st_mode); 8461722Sjkh} 8471722Sjkh 8481722Sjkhint is_nonempty_file(char *pathname) 8491722Sjkh{ 8501722Sjkh struct stat buf; 8511722Sjkh 8521722Sjkh if(stat(pathname, &buf) == -1) 8531722Sjkh return 0; 8541722Sjkh 8551722Sjkh return S_ISREG(buf.st_mode) && buf.st_size > 0; 8561722Sjkh} 857