crunchgen.c revision 70884
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 2556995Sluigi * 2656995Sluigi * $FreeBSD: head/usr.sbin/crunch/crunchgen/crunchgen.c 70884 2001-01-10 14:08:48Z joe $ 271722Sjkh */ 281722Sjkh/* 291722Sjkh * ======================================================================== 301722Sjkh * crunchgen.c 311722Sjkh * 321722Sjkh * Generates a Makefile and main C file for a crunched executable, 338857Srgrimes * from specs given in a .conf file. 341722Sjkh */ 3570884Sjoe#include <sys/types.h> 3670884Sjoe#include <sys/stat.h> 3770884Sjoe#include <sys/param.h> 3870884Sjoe 3929453Scharnier#include <ctype.h> 4029453Scharnier#include <err.h> 4170124Sjoe#include <paths.h> 4229453Scharnier#include <stdio.h> 431722Sjkh#include <stdlib.h> 4429453Scharnier#include <string.h> 451722Sjkh#include <unistd.h> 461722Sjkh 471722Sjkh#define CRUNCH_VERSION "0.2" 481722Sjkh 491722Sjkh#define MAXLINELEN 16384 501722Sjkh#define MAXFIELDS 2048 511722Sjkh 521722Sjkh 531722Sjkh/* internal representation of conf file: */ 541722Sjkh 551722Sjkh/* simple lists of strings suffice for most parms */ 561722Sjkh 571722Sjkhtypedef struct strlst { 5870884Sjoe struct strlst *next; 5970884Sjoe char *str; 601722Sjkh} strlst_t; 611722Sjkh 621722Sjkh/* progs have structure, each field can be set with "special" or calculated */ 631722Sjkh 641722Sjkhtypedef struct prog { 6570884Sjoe struct prog *next; /* link field */ 6670884Sjoe char *name; /* program name */ 6770884Sjoe char *ident; /* C identifier for the program name */ 6870884Sjoe char *srcdir; 6970884Sjoe char *realsrcdir; 7070884Sjoe char *objdir; 7170884Sjoe char *objvar; /* Makefile variable to replace OBJS */ 7270884Sjoe strlst_t *objs, *objpaths; 7370884Sjoe strlst_t *buildopts; 7470884Sjoe strlst_t *keeplist; 7570884Sjoe strlst_t *links; 7670884Sjoe int goterror; 771722Sjkh} prog_t; 781722Sjkh 791722Sjkh 801722Sjkh/* global state */ 811722Sjkh 8268750Sjoestrlst_t *buildopts = NULL; 8370884Sjoestrlst_t *srcdirs = NULL; 8470884Sjoestrlst_t *libs = NULL; 8570884Sjoeprog_t *progs = NULL; 861722Sjkh 871722Sjkhchar confname[MAXPATHLEN], infilename[MAXPATHLEN]; 881722Sjkhchar outmkname[MAXPATHLEN], outcfname[MAXPATHLEN], execfname[MAXPATHLEN]; 891722Sjkhchar tempfname[MAXPATHLEN], cachename[MAXPATHLEN], curfilename[MAXPATHLEN]; 9070884Sjoechar outhdrname[MAXPATHLEN] ; /* user-supplied header for *.mk */ 9170884Sjoechar *objprefix; /* where are the objects ? */ 921722Sjkhint linenum = -1; 931722Sjkhint goterror = 0; 941722Sjkh 9570884Sjoeint verbose, readcache; /* options */ 961722Sjkhint reading_cache; 9770884Sjoeint makeobj = 0; /* add 'make obj' rules to the makefile */ 981722Sjkh 996696Sphkint list_mode; 1006696Sphk 1011722Sjkh/* general library routines */ 1021722Sjkh 1031722Sjkhvoid status(char *str); 1041722Sjkhvoid out_of_memory(void); 1051722Sjkhvoid add_string(strlst_t **listp, char *str); 1061722Sjkhint is_dir(char *pathname); 1071722Sjkhint is_nonempty_file(char *pathname); 1081722Sjkh 1091722Sjkh/* helper routines for main() */ 1101722Sjkh 1118857Srgrimesvoid usage(void); 1121722Sjkhvoid parse_conf_file(void); 1131722Sjkhvoid gen_outputs(void); 1141722Sjkh 1151722Sjkh 1161722Sjkhint main(int argc, char **argv) 1171722Sjkh{ 11870884Sjoe char *p; 11970884Sjoe int optc; 1201722Sjkh 12170884Sjoe verbose = 1; 12270884Sjoe readcache = 1; 12370884Sjoe *outmkname = *outcfname = *execfname = '\0'; 1248857Srgrimes 12570884Sjoe p = getenv("MAKEOBJDIRPREFIX"); 12670884Sjoe if (p == NULL || *p == '\0') 12770884Sjoe objprefix = "/usr/obj"; /* default */ 12870884Sjoe else 12970884Sjoe if ((objprefix = strdup(p)) == NULL) 13070884Sjoe out_of_memory(); 13169413Sluigi 13270884Sjoe while((optc = getopt(argc, argv, "lh:m:c:e:p:foq")) != -1) { 13370884Sjoe switch(optc) { 13470884Sjoe case 'f': 13570884Sjoe readcache = 0; 13670884Sjoe break; 13770884Sjoe case 'o': 13870884Sjoe makeobj = 1; 13970884Sjoe break; 14070884Sjoe case 'q': 14170884Sjoe verbose = 0; 14270884Sjoe break; 1431722Sjkh 14470884Sjoe case 'm': 14570884Sjoe strlcpy(outmkname, optarg, sizeof(outmkname)); 14670884Sjoe break; 14770884Sjoe case 'p': 14870884Sjoe if ((objprefix = strdup(optarg)) == NULL) 14970113Sjoe out_of_memory(); 15070113Sjoe break; 1511722Sjkh 15270884Sjoe case 'h': 15370884Sjoe strlcpy(outhdrname, optarg, sizeof(outhdrname)); 15470884Sjoe break; 15570884Sjoe case 'c': 15670884Sjoe strlcpy(outcfname, optarg, sizeof(outcfname)); 15770884Sjoe break; 15870884Sjoe case 'e': 15970884Sjoe strlcpy(execfname, optarg, sizeof(execfname)); 16070884Sjoe break; 16170884Sjoe 16270884Sjoe case 'l': 16370884Sjoe list_mode++; 16470884Sjoe verbose = 0; 16570884Sjoe break; 16670884Sjoe 16770884Sjoe case '?': 16870884Sjoe default: 16970884Sjoe usage(); 17070884Sjoe } 1711722Sjkh } 1721722Sjkh 17370884Sjoe argc -= optind; 17470884Sjoe argv += optind; 1751722Sjkh 17670884Sjoe if (argc != 1) 17770884Sjoe usage(); 1781722Sjkh 17970884Sjoe /* 18070884Sjoe * generate filenames 18170884Sjoe */ 1821722Sjkh 18370884Sjoe strlcpy(infilename, argv[0], sizeof(infilename)); 1841722Sjkh 18570884Sjoe /* confname = `basename infilename .conf` */ 1861722Sjkh 18770884Sjoe if ((p=strrchr(infilename, '/')) != NULL) 18870884Sjoe strlcpy(confname, p + 1, sizeof(confname)); 18970884Sjoe else 19070884Sjoe strlcpy(confname, infilename, sizeof(confname)); 1911722Sjkh 19270884Sjoe if ((p=strrchr(confname, '.')) != NULL && !strcmp(p, ".conf")) 19370884Sjoe *p = '\0'; 1941722Sjkh 19570884Sjoe if (!*outmkname) 19670884Sjoe snprintf(outmkname, sizeof(outmkname), "%s.mk", confname); 19770884Sjoe if (!*outcfname) 19870884Sjoe snprintf(outcfname, sizeof(outcfname), "%s.c", confname); 19970884Sjoe if (!*execfname) 20070884Sjoe snprintf(execfname, sizeof(execfname), "%s", confname); 20170884Sjoe 20270884Sjoe snprintf(cachename, sizeof(cachename), "%s.cache", confname); 20370884Sjoe snprintf(tempfname, sizeof(tempfname), "%s/crunchgen_%sXXXXXX", 20470124Sjoe getenv("TMPDIR") ? getenv("TMPDIR") : _PATH_TMP, confname); 2051722Sjkh 20670884Sjoe parse_conf_file(); 20770884Sjoe if (list_mode) 20870884Sjoe exit(goterror); 2096696Sphk 21070884Sjoe gen_outputs(); 2111722Sjkh 21270884Sjoe exit(goterror); 2131722Sjkh} 2141722Sjkh 2151722Sjkh 2161722Sjkhvoid usage(void) 2171722Sjkh{ 21870884Sjoe fprintf(stderr, "%s%s\n\t%s%s\n", "usage: crunchgen [-foq] ", 21970884Sjoe "[-h <makefile-header-name>] [-m <makefile>]", 22070884Sjoe "[-p <obj-prefix>] [-c <c-file-name>] [-e <exec-file>] ", 22170884Sjoe "<conffile>"); 22270884Sjoe exit(1); 2231722Sjkh} 2241722Sjkh 2251722Sjkh 2261722Sjkh/* 2271722Sjkh * ======================================================================== 2281722Sjkh * parse_conf_file subsystem 2291722Sjkh * 2301722Sjkh */ 2311722Sjkh 2321722Sjkh/* helper routines for parse_conf_file */ 2331722Sjkh 2341722Sjkhvoid parse_one_file(char *filename); 2358857Srgrimesvoid parse_line(char *line, int *fc, char **fv, int nf); 2361722Sjkhvoid add_srcdirs(int argc, char **argv); 2371722Sjkhvoid add_progs(int argc, char **argv); 2381722Sjkhvoid add_link(int argc, char **argv); 2391722Sjkhvoid add_libs(int argc, char **argv); 24068750Sjoevoid add_buildopts(int argc, char **argv); 2411722Sjkhvoid add_special(int argc, char **argv); 2421722Sjkh 2431722Sjkhprog_t *find_prog(char *str); 2441722Sjkhvoid add_prog(char *progname); 2451722Sjkh 2461722Sjkh 2471722Sjkhvoid parse_conf_file(void) 2481722Sjkh{ 24970884Sjoe if (!is_nonempty_file(infilename)) 25029453Scharnier errx(1, "fatal: input file \"%s\" not found", infilename); 25170884Sjoe 25270884Sjoe parse_one_file(infilename); 25370884Sjoe if (readcache && is_nonempty_file(cachename)) { 25470884Sjoe reading_cache = 1; 25570884Sjoe parse_one_file(cachename); 25670884Sjoe } 2571722Sjkh} 2581722Sjkh 2591722Sjkh 2601722Sjkhvoid parse_one_file(char *filename) 2611722Sjkh{ 26270884Sjoe char *fieldv[MAXFIELDS]; 26370884Sjoe int fieldc; 26470884Sjoe void (*f)(int c, char **v); 26570884Sjoe FILE *cf; 26670884Sjoe char line[MAXLINELEN]; 2671722Sjkh 26870884Sjoe snprintf(line, sizeof(line), "reading %s", filename); 26970884Sjoe status(line); 27070884Sjoe strlcpy(curfilename, filename, sizeof(curfilename)); 2711722Sjkh 27270884Sjoe if ((cf = fopen(curfilename, "r")) == NULL) { 27370884Sjoe warn("%s", curfilename); 27470884Sjoe goterror = 1; 27570884Sjoe return; 27670884Sjoe } 2771722Sjkh 27870884Sjoe linenum = 0; 27970884Sjoe while (fgets(line, MAXLINELEN, cf) != NULL) { 28070884Sjoe linenum++; 28170884Sjoe parse_line(line, &fieldc, fieldv, MAXFIELDS); 28270884Sjoe 28370884Sjoe if (fieldc < 1) 28470884Sjoe continue; 28570884Sjoe 28670884Sjoe if (!strcmp(fieldv[0], "srcdirs")) 28770884Sjoe f = add_srcdirs; 28870884Sjoe else if(!strcmp(fieldv[0], "progs")) 28970884Sjoe f = add_progs; 29070884Sjoe else if(!strcmp(fieldv[0], "ln")) 29170884Sjoe f = add_link; 29270884Sjoe else if(!strcmp(fieldv[0], "libs")) 29370884Sjoe f = add_libs; 29470884Sjoe else if(!strcmp(fieldv[0], "buildopts")) 29570884Sjoe f = add_buildopts; 29670884Sjoe else if(!strcmp(fieldv[0], "special")) 29770884Sjoe f = add_special; 29870884Sjoe else { 29970884Sjoe warnx("%s:%d: skipping unknown command `%s'", 30070884Sjoe curfilename, linenum, fieldv[0]); 30170884Sjoe goterror = 1; 30270884Sjoe continue; 30370884Sjoe } 30470884Sjoe 30570884Sjoe if (fieldc < 2) { 30670884Sjoe warnx("%s:%d: %s %s", 30770884Sjoe curfilename, linenum, fieldv[0], 30870884Sjoe "command needs at least 1 argument, skipping"); 30970884Sjoe goterror = 1; 31070884Sjoe continue; 31170884Sjoe } 31270884Sjoe 31370884Sjoe f(fieldc, fieldv); 3141722Sjkh } 31570884Sjoe 31670884Sjoe if (ferror(cf)) { 31770884Sjoe warn("%s", curfilename); 31870884Sjoe goterror = 1; 3191722Sjkh } 32070884Sjoe fclose(cf); 3211722Sjkh} 3221722Sjkh 3231722Sjkh 3241722Sjkhvoid parse_line(char *line, int *fc, char **fv, int nf) 3251722Sjkh{ 32670884Sjoe char *p; 3271722Sjkh 32870884Sjoe p = line; 32970884Sjoe *fc = 0; 3301722Sjkh 33170884Sjoe while (1) { 33270884Sjoe while (isspace(*p)) 33370884Sjoe p++; 33470884Sjoe 33570884Sjoe if (*p == '\0' || *p == '#') 33670884Sjoe break; 33770884Sjoe 33870884Sjoe if (*fc < nf) 33970884Sjoe fv[(*fc)++] = p; 34070884Sjoe 34170884Sjoe while (*p && !isspace(*p) && *p != '#') 34270884Sjoe p++; 34370884Sjoe 34470884Sjoe if (*p == '\0' || *p == '#') 34570884Sjoe break; 34670884Sjoe 34770884Sjoe *p++ = '\0'; 34870884Sjoe } 34970884Sjoe 35070884Sjoe if (*p) 35170884Sjoe *p = '\0'; /* needed for '#' case */ 3521722Sjkh} 3531722Sjkh 3541722Sjkh 3551722Sjkhvoid add_srcdirs(int argc, char **argv) 3561722Sjkh{ 35770884Sjoe int i; 3581722Sjkh 35970884Sjoe for (i = 1; i < argc; i++) { 36070884Sjoe if (is_dir(argv[i])) 36170884Sjoe add_string(&srcdirs, argv[i]); 36270884Sjoe else { 36370884Sjoe warnx("%s:%d: `%s' is not a directory, skipping it", 36470884Sjoe curfilename, linenum, argv[i]); 36570884Sjoe goterror = 1; 36670884Sjoe } 3671722Sjkh } 3681722Sjkh} 3691722Sjkh 3701722Sjkh 3711722Sjkhvoid add_progs(int argc, char **argv) 3721722Sjkh{ 37370884Sjoe int i; 3741722Sjkh 37570884Sjoe for (i = 1; i < argc; i++) 37670884Sjoe add_prog(argv[i]); 3771722Sjkh} 3781722Sjkh 3791722Sjkh 3801722Sjkhvoid add_prog(char *progname) 3811722Sjkh{ 38270884Sjoe prog_t *p1, *p2; 3831722Sjkh 38470884Sjoe /* add to end, but be smart about dups */ 3851722Sjkh 38670884Sjoe for (p1 = NULL, p2 = progs; p2 != NULL; p1 = p2, p2 = p2->next) 38770884Sjoe if (!strcmp(p2->name, progname)) 38870884Sjoe return; 3891722Sjkh 39070884Sjoe p2 = malloc(sizeof(prog_t)); 39170884Sjoe if(p2) { 39270884Sjoe memset(p2, 0, sizeof(prog_t)); 39370884Sjoe p2->name = strdup(progname); 39470884Sjoe } 39570884Sjoe if (!p2 || !p2->name) 39670884Sjoe out_of_memory(); 3971722Sjkh 39870884Sjoe p2->next = NULL; 39970884Sjoe if (p1 == NULL) 40070884Sjoe progs = p2; 40170884Sjoe else 40270884Sjoe p1->next = p2; 4031722Sjkh 40470884Sjoe p2->ident = NULL; 40570884Sjoe p2->srcdir = NULL; 40670884Sjoe p2->realsrcdir = NULL; 40770884Sjoe p2->objdir = NULL; 40870884Sjoe p2->links = NULL; 40970884Sjoe p2->objs = NULL; 41070884Sjoe p2->keeplist = NULL; 41170884Sjoe p2->buildopts = NULL; 41270884Sjoe p2->goterror = 0; 41370884Sjoe 41470884Sjoe if (list_mode) 41570884Sjoe printf("%s\n",progname); 4161722Sjkh} 4171722Sjkh 4181722Sjkh 4191722Sjkhvoid add_link(int argc, char **argv) 4201722Sjkh{ 42170884Sjoe int i; 42270884Sjoe prog_t *p = find_prog(argv[1]); 4231722Sjkh 42470884Sjoe if (p == NULL) { 42570884Sjoe warnx("%s:%d: no prog %s previously declared, skipping link", 42670884Sjoe curfilename, linenum, argv[1]); 42770884Sjoe goterror = 1; 42870884Sjoe return; 42970884Sjoe } 43070884Sjoe 43170884Sjoe for (i = 2; i < argc; i++) { 43270884Sjoe if (list_mode) 43370884Sjoe printf("%s\n",argv[i]); 43470884Sjoe 43570884Sjoe add_string(&p->links, argv[i]); 43670884Sjoe } 4371722Sjkh} 4381722Sjkh 4391722Sjkh 4401722Sjkhvoid add_libs(int argc, char **argv) 4411722Sjkh{ 44270884Sjoe int i; 4431722Sjkh 44470884Sjoe for(i = 1; i < argc; i++) 44570884Sjoe add_string(&libs, argv[i]); 4461722Sjkh} 4471722Sjkh 4481722Sjkh 44968750Sjoevoid add_buildopts(int argc, char **argv) 45068750Sjoe{ 45170884Sjoe int i; 45268750Sjoe 45370884Sjoe for (i = 1; i < argc; i++) 45470884Sjoe add_string(&buildopts, argv[i]); 45568750Sjoe} 45668750Sjoe 45768750Sjoe 4581722Sjkhvoid add_special(int argc, char **argv) 4591722Sjkh{ 46070884Sjoe int i; 46170884Sjoe prog_t *p = find_prog(argv[1]); 4621722Sjkh 46370884Sjoe if (p == NULL) { 46470884Sjoe if (reading_cache) 46570884Sjoe return; 4661722Sjkh 46770884Sjoe warnx("%s:%d: no prog %s previously declared, skipping special", 46870884Sjoe curfilename, linenum, argv[1]); 46970884Sjoe goterror = 1; 47070884Sjoe return; 47170884Sjoe } 4721722Sjkh 47370884Sjoe if (!strcmp(argv[2], "ident")) { 47470884Sjoe if (argc != 4) 47570884Sjoe goto argcount; 47670884Sjoe if ((p->ident = strdup(argv[3])) == NULL) 47770884Sjoe out_of_memory(); 47870884Sjoe } else if (!strcmp(argv[2], "srcdir")) { 47970884Sjoe if (argc != 4) 48070884Sjoe goto argcount; 48170884Sjoe if ((p->srcdir = strdup(argv[3])) == NULL) 48270884Sjoe out_of_memory(); 48370884Sjoe } else if (!strcmp(argv[2], "objdir")) { 48470884Sjoe if(argc != 4) 48570884Sjoe goto argcount; 48670884Sjoe if((p->objdir = strdup(argv[3])) == NULL) 48770884Sjoe out_of_memory(); 48870884Sjoe } else if (!strcmp(argv[2], "objs")) { 48970884Sjoe p->objs = NULL; 49070884Sjoe for (i = 3; i < argc; i++) 49170884Sjoe add_string(&p->objs, argv[i]); 49270884Sjoe } else if (!strcmp(argv[2], "objpaths")) { 49370884Sjoe p->objpaths = NULL; 49470884Sjoe for (i = 3; i < argc; i++) 49570884Sjoe add_string(&p->objpaths, argv[i]); 49670884Sjoe } else if (!strcmp(argv[2], "keep")) { 49770884Sjoe p->keeplist = NULL; 49870884Sjoe for(i = 3; i < argc; i++) 49970884Sjoe add_string(&p->keeplist, argv[i]); 50070884Sjoe } else if (!strcmp(argv[2], "objvar")) { 50170884Sjoe if(argc != 4) 50270884Sjoe goto argcount; 50370884Sjoe if ((p->objvar = strdup(argv[3])) == NULL) 50470884Sjoe out_of_memory(); 50570884Sjoe } else if (!strcmp(argv[2], "buildopts")) { 50670884Sjoe p->buildopts = NULL; 50770884Sjoe for (i = 3; i < argc; i++) 50870884Sjoe add_string(&p->buildopts, argv[i]); 50970884Sjoe } else { 51070884Sjoe warnx("%s:%d: bad parameter name `%s', skipping line", 51170884Sjoe curfilename, linenum, argv[2]); 51270884Sjoe goterror = 1; 51370884Sjoe } 51470884Sjoe return; 5151722Sjkh 5161722Sjkh argcount: 51770884Sjoe warnx("%s:%d: too %s arguments, expected \"special %s %s <string>\"", 5181722Sjkh curfilename, linenum, argc < 4? "few" : "many", argv[1], argv[2]); 51970884Sjoe goterror = 1; 5201722Sjkh} 5211722Sjkh 5221722Sjkh 5231722Sjkhprog_t *find_prog(char *str) 5241722Sjkh{ 52570884Sjoe prog_t *p; 5261722Sjkh 52770884Sjoe for (p = progs; p != NULL; p = p->next) 52870884Sjoe if (!strcmp(p->name, str)) 52970884Sjoe return p; 5301722Sjkh 53170884Sjoe return NULL; 5321722Sjkh} 5331722Sjkh 5341722Sjkh 5351722Sjkh/* 5361722Sjkh * ======================================================================== 5371722Sjkh * gen_outputs subsystem 5381722Sjkh * 5391722Sjkh */ 5401722Sjkh 5411722Sjkh/* helper subroutines */ 5421722Sjkh 5431722Sjkhvoid remove_error_progs(void); 5441722Sjkhvoid fillin_program(prog_t *p); 5451722Sjkhvoid gen_specials_cache(void); 5461722Sjkhvoid gen_output_makefile(void); 5471722Sjkhvoid gen_output_cfile(void); 5481722Sjkh 5491722Sjkhvoid fillin_program_objs(prog_t *p, char *path); 5501722Sjkhvoid top_makefile_rules(FILE *outmk); 5511722Sjkhvoid prog_makefile_rules(FILE *outmk, prog_t *p); 5521722Sjkhvoid output_strlst(FILE *outf, strlst_t *lst); 5531722Sjkhchar *genident(char *str); 5541722Sjkhchar *dir_search(char *progname); 5551722Sjkh 5561722Sjkh 5571722Sjkhvoid gen_outputs(void) 5581722Sjkh{ 55970884Sjoe prog_t *p; 5601722Sjkh 56170884Sjoe for (p = progs; p != NULL; p = p->next) 56270884Sjoe fillin_program(p); 5631722Sjkh 56470884Sjoe remove_error_progs(); 56570884Sjoe gen_specials_cache(); 56670884Sjoe gen_output_cfile(); 56770884Sjoe gen_output_makefile(); 56870884Sjoe status(""); 56970884Sjoe fprintf(stderr, 57070112Sjoe "Run \"make -f %s\" to build crunched binary.\n", outmkname); 5711722Sjkh} 5721722Sjkh 57356995Sluigi/* 57456995Sluigi * run the makefile for the program to find which objects are necessary 57556995Sluigi */ 5761722Sjkhvoid fillin_program(prog_t *p) 5771722Sjkh{ 57870884Sjoe char path[MAXPATHLEN]; 57970884Sjoe char line[MAXLINELEN]; 58070884Sjoe FILE *f; 5811722Sjkh 58270884Sjoe snprintf(line, MAXLINELEN, "filling in parms for %s", p->name); 58370884Sjoe status(line); 5841722Sjkh 58570884Sjoe if (!p->ident) 58670884Sjoe p->ident = genident(p->name); 58770331Sjoe 58870884Sjoe /* look for the source directory if one wasn't specified by a special */ 58970884Sjoe if (!p->srcdir) { 59070884Sjoe p->srcdir = dir_search(p->name); 59170884Sjoe } 59270112Sjoe 59370884Sjoe /* Determine the actual srcdir (maybe symlinked). */ 59470884Sjoe if (p->srcdir) { 59570884Sjoe snprintf(line, MAXLINELEN, "cd %s && echo -n `/bin/pwd`", 59670884Sjoe p->srcdir); 59770884Sjoe f = popen(line,"r"); 59870884Sjoe if (!f) 59970884Sjoe errx(1, "Can't execute: %s\n", line); 60070331Sjoe 60170884Sjoe path[0] = '\0'; 60270884Sjoe fgets(path, sizeof path, f); 60370884Sjoe if (pclose(f)) 60470884Sjoe errx(1, "Can't execute: %s\n", line); 60570331Sjoe 60670884Sjoe if (!*path) 60770884Sjoe errx(1, "Can't perform pwd on: %s\n", p->srcdir); 60870331Sjoe 60970884Sjoe p->realsrcdir = strdup(path); 61070884Sjoe } 61170112Sjoe 61270884Sjoe /* Unless the option to make object files was specified the 61370884Sjoe * the objects will be built in the source directory unless 61470884Sjoe * an object directory already exists. 61570884Sjoe */ 61670884Sjoe if (!makeobj && !p->objdir && p->srcdir) { 61770884Sjoe snprintf(line, sizeof line, "%s/%s", objprefix, p->realsrcdir); 61870884Sjoe if (is_dir(line)) { 61970884Sjoe if ((p->objdir = strdup(line)) == NULL) 62070884Sjoe out_of_memory(); 62170884Sjoe } else 62270884Sjoe p->objdir = p->realsrcdir; 62370884Sjoe } 62470884Sjoe 62570884Sjoe /* 62670884Sjoe * XXX look for a Makefile.{name} in local directory first. 62770884Sjoe * This lets us override the original Makefile. 62870884Sjoe */ 62970884Sjoe snprintf(path, sizeof(path), "Makefile.%s", p->name); 63070884Sjoe if (is_nonempty_file(path)) { 63170884Sjoe snprintf(line, MAXLINELEN, "Using %s for %s", path, p->name); 63270884Sjoe status(line); 63370114Sjoe } else 63470884Sjoe if (p->srcdir) 63570884Sjoe snprintf(path, sizeof(path), "%s/Makefile", p->srcdir); 63670884Sjoe if (!p->objs && p->srcdir && is_nonempty_file(path)) 63770884Sjoe fillin_program_objs(p, path); 6381722Sjkh 63970884Sjoe if (!p->srcdir && verbose) 64070884Sjoe warnx("%s: %s: %s", 64170884Sjoe "warning: could not find source directory", 64270884Sjoe infilename, p->name); 64370884Sjoe if (!p->objs && verbose) 64470884Sjoe warnx("%s: %s: warning: could not find any .o files", 64570884Sjoe infilename, p->name); 64670880Sjoe 64770884Sjoe if (!p->srcdir || !p->objs) 64870884Sjoe p->goterror = 1; 6491722Sjkh} 6501722Sjkh 6511722Sjkhvoid fillin_program_objs(prog_t *p, char *path) 6521722Sjkh{ 65370884Sjoe char *obj, *cp; 65470884Sjoe int fd, rc; 65570884Sjoe FILE *f; 65670884Sjoe char *objvar="OBJS"; 65770884Sjoe strlst_t *s; 65870884Sjoe char line[MAXLINELEN]; 6591722Sjkh 66070884Sjoe /* discover the objs from the srcdir Makefile */ 6611722Sjkh 66270884Sjoe if ((fd = mkstemp(tempfname)) == -1) { 66370884Sjoe perror(tempfname); 66470884Sjoe exit(1); 66570884Sjoe } 66670884Sjoe if ((f = fdopen(fd, "w")) == NULL) { 66770884Sjoe warn("%s", tempfname); 66870884Sjoe goterror = 1; 66970884Sjoe return; 67070884Sjoe } 67170884Sjoe if (p->objvar) 67270884Sjoe objvar = p->objvar; 6738857Srgrimes 67470884Sjoe /* 67570884Sjoe * XXX include outhdrname (e.g. to contain Make variables) 67670884Sjoe */ 67770884Sjoe if (outhdrname[0] != '\0') 67870884Sjoe fprintf(f, ".include \"%s\"\n", outhdrname); 67970884Sjoe fprintf(f, ".include \"%s\"\n", path); 68070884Sjoe if (buildopts) { 68170884Sjoe fprintf(f, "BUILDOPTS+="); 68270884Sjoe output_strlst(f, buildopts); 68370884Sjoe } 68470884Sjoe fprintf(f, ".if defined(PROG) && !defined(%s)\n", objvar); 68570884Sjoe fprintf(f, "%s=${PROG}.o\n", objvar); 68670884Sjoe fprintf(f, ".endif\n"); 68770884Sjoe fprintf(f, "loop:\n\t@echo 'OBJS= '${%s}\n", objvar); 68868569Sjoe 68970884Sjoe fprintf(f, "crunchgen_objs:\n\t@make -f %s $(BUILDOPTS) $(%s_OPTS)", 69070884Sjoe tempfname, p->ident); 69170884Sjoe for (s = p->buildopts; s != NULL; s = s->next) 69270884Sjoe fprintf(f, " %s", s->str); 69370884Sjoe fprintf(f, " loop\n"); 69468569Sjoe 69570884Sjoe fclose(f); 6961722Sjkh 69770884Sjoe snprintf(line, MAXLINELEN, "make -f %s crunchgen_objs 2>&1", tempfname); 69870884Sjoe if ((f = popen(line, "r")) == NULL) { 69970884Sjoe warn("submake pipe"); 70070884Sjoe goterror = 1; 70170884Sjoe return; 70270884Sjoe } 7031722Sjkh 70470884Sjoe while(fgets(line, MAXLINELEN, f)) { 70570884Sjoe if (strncmp(line, "OBJS= ", 6)) { 70670884Sjoe warnx("make error: %s", line); 70770884Sjoe goterror = 1; 70870884Sjoe continue; 70970884Sjoe } 71070884Sjoe 71170884Sjoe cp = line + 6; 71270884Sjoe while (isspace(*cp)) 71370884Sjoe cp++; 71470884Sjoe 71570884Sjoe while(*cp) { 71670884Sjoe obj = cp; 71770884Sjoe while (*cp && !isspace(*cp)) 71870884Sjoe cp++; 71970884Sjoe if (*cp) 72070884Sjoe *cp++ = '\0'; 72170884Sjoe add_string(&p->objs, obj); 72270884Sjoe while (isspace(*cp)) 72370884Sjoe cp++; 72470884Sjoe } 7251722Sjkh } 72670884Sjoe 72770884Sjoe if ((rc=pclose(f)) != 0) { 72870884Sjoe warnx("make error: make returned %d", rc); 72970884Sjoe goterror = 1; 7301722Sjkh } 73170884Sjoe 73270884Sjoe unlink(tempfname); 7331722Sjkh} 7341722Sjkh 7351722Sjkhvoid remove_error_progs(void) 7361722Sjkh{ 73770884Sjoe prog_t *p1, *p2; 7381722Sjkh 73970884Sjoe p1 = NULL; p2 = progs; 74070884Sjoe while (p2 != NULL) { 74170884Sjoe if (!p2->goterror) 74270884Sjoe p1 = p2, p2 = p2->next; 74370884Sjoe else { 74470884Sjoe /* delete it from linked list */ 74570884Sjoe warnx("%s: %s: ignoring program because of errors", 74670884Sjoe infilename, p2->name); 74770884Sjoe if (p1) 74870884Sjoe p1->next = p2->next; 74970884Sjoe else 75070884Sjoe progs = p2->next; 75170884Sjoe p2 = p2->next; 75270884Sjoe } 7531722Sjkh } 7541722Sjkh} 7551722Sjkh 7561722Sjkhvoid gen_specials_cache(void) 7571722Sjkh{ 75870884Sjoe FILE *cachef; 75970884Sjoe prog_t *p; 76070884Sjoe char line[MAXLINELEN]; 7611722Sjkh 76270884Sjoe snprintf(line, MAXLINELEN, "generating %s", cachename); 76370884Sjoe status(line); 7641722Sjkh 76570884Sjoe if ((cachef = fopen(cachename, "w")) == NULL) { 76670884Sjoe warn("%s", cachename); 76770884Sjoe goterror = 1; 76870884Sjoe return; 76970884Sjoe } 7701722Sjkh 77170884Sjoe fprintf(cachef, "# %s - parm cache generated from %s by crunchgen " 77270884Sjoe " %s\n\n", 7731722Sjkh cachename, infilename, CRUNCH_VERSION); 7741722Sjkh 77570884Sjoe for (p = progs; p != NULL; p = p->next) { 77670884Sjoe fprintf(cachef, "\n"); 77770884Sjoe if (p->srcdir) 77870884Sjoe fprintf(cachef, "special %s srcdir %s\n", 77970884Sjoe p->name, p->srcdir); 78070884Sjoe if (p->objdir) 78170884Sjoe fprintf(cachef, "special %s objdir %s\n", 78270884Sjoe p->name, p->objdir); 78370884Sjoe if (p->objs) { 78470884Sjoe fprintf(cachef, "special %s objs", p->name); 78570884Sjoe output_strlst(cachef, p->objs); 78670884Sjoe } 78770884Sjoe if (p->objpaths) { 78870884Sjoe fprintf(cachef, "special %s objpaths", p->name); 78970884Sjoe output_strlst(cachef, p->objpaths); 79070884Sjoe } 7911722Sjkh } 79270884Sjoe fclose(cachef); 7931722Sjkh} 7941722Sjkh 7951722Sjkh 7961722Sjkhvoid gen_output_makefile(void) 7971722Sjkh{ 79870884Sjoe prog_t *p; 79970884Sjoe FILE *outmk; 80070884Sjoe char line[MAXLINELEN]; 8011722Sjkh 80270884Sjoe snprintf(line, MAXLINELEN, "generating %s", outmkname); 80370884Sjoe status(line); 8041722Sjkh 80570884Sjoe if ((outmk = fopen(outmkname, "w")) == NULL) { 80670884Sjoe warn("%s", outmkname); 80770884Sjoe goterror = 1; 80870884Sjoe return; 80970884Sjoe } 8101722Sjkh 81170884Sjoe fprintf(outmk, "# %s - generated from %s by crunchgen %s\n\n", 8121722Sjkh outmkname, infilename, CRUNCH_VERSION); 8131722Sjkh 81470884Sjoe if (outhdrname[0] != '\0') 81570884Sjoe fprintf(outmk, ".include \"%s\"\n", outhdrname); 8161722Sjkh 81770884Sjoe top_makefile_rules(outmk); 81870884Sjoe for (p = progs; p != NULL; p = p->next) 81970884Sjoe prog_makefile_rules(outmk, p); 82070884Sjoe 82170884Sjoe fprintf(outmk, "\n# ========\n"); 82270884Sjoe fclose(outmk); 8231722Sjkh} 8241722Sjkh 8251722Sjkh 8261722Sjkhvoid gen_output_cfile(void) 8271722Sjkh{ 82870884Sjoe extern char *crunched_skel[]; 82970884Sjoe char **cp; 83070884Sjoe FILE *outcf; 83170884Sjoe prog_t *p; 83270884Sjoe strlst_t *s; 83370884Sjoe char line[MAXLINELEN]; 8341722Sjkh 83570884Sjoe snprintf(line, MAXLINELEN, "generating %s", outcfname); 83670884Sjoe status(line); 8371722Sjkh 83870884Sjoe if((outcf = fopen(outcfname, "w")) == NULL) { 83970884Sjoe warn("%s", outcfname); 84070884Sjoe goterror = 1; 84170884Sjoe return; 84270884Sjoe } 8431722Sjkh 84470884Sjoe fprintf(outcf, 84570884Sjoe "/* %s - generated from %s by crunchgen %s */\n", 8461722Sjkh outcfname, infilename, CRUNCH_VERSION); 8471722Sjkh 84870884Sjoe fprintf(outcf, "#define EXECNAME \"%s\"\n", execfname); 84970884Sjoe for (cp = crunched_skel; *cp != NULL; cp++) 85070884Sjoe fprintf(outcf, "%s\n", *cp); 8511722Sjkh 85270884Sjoe for (p = progs; p != NULL; p = p->next) 85370884Sjoe fprintf(outcf, "extern int _crunched_%s_stub();\n", p->ident); 8541722Sjkh 85570884Sjoe fprintf(outcf, "\nstruct stub entry_points[] = {\n"); 85670884Sjoe for (p = progs; p != NULL; p = p->next) { 85770884Sjoe fprintf(outcf, "\t{ \"%s\", _crunched_%s_stub },\n", 85870884Sjoe p->name, p->ident); 85970884Sjoe for (s = p->links; s != NULL; s = s->next) 86070884Sjoe fprintf(outcf, "\t{ \"%s\", _crunched_%s_stub },\n", 86170884Sjoe s->str, p->ident); 86270884Sjoe } 8638857Srgrimes 86470884Sjoe fprintf(outcf, "\t{ EXECNAME, crunched_main },\n"); 86570884Sjoe fprintf(outcf, "\t{ NULL, NULL }\n};\n"); 86670884Sjoe fclose(outcf); 8671722Sjkh} 8681722Sjkh 8691722Sjkh 8701722Sjkhchar *genident(char *str) 8711722Sjkh{ 87270884Sjoe char *n, *s, *d; 8731722Sjkh 87470884Sjoe /* 87570884Sjoe * generates a Makefile/C identifier from a program name, 87670884Sjoe * mapping '-' to '_' and ignoring all other non-identifier 87770884Sjoe * characters. This leads to programs named "foo.bar" and 87870884Sjoe * "foobar" to map to the same identifier. 87970884Sjoe */ 8801722Sjkh 88170884Sjoe if ((n = strdup(str)) == NULL) 88270884Sjoe return NULL; 88370884Sjoe for (d = s = n; *s != '\0'; s++) { 88470884Sjoe if (*s == '-') 88570884Sjoe *d++ = '_'; 88670884Sjoe else if (*s == '_' || isalnum(*s)) 88770884Sjoe *d++ = *s; 88870884Sjoe } 88970884Sjoe *d = '\0'; 89070884Sjoe return n; 8911722Sjkh} 8921722Sjkh 8931722Sjkh 8941722Sjkhchar *dir_search(char *progname) 8951722Sjkh{ 89670884Sjoe char path[MAXPATHLEN]; 89770884Sjoe strlst_t *dir; 89870884Sjoe char *srcdir; 8991722Sjkh 90070884Sjoe for (dir = srcdirs; dir != NULL; dir = dir->next) { 90170884Sjoe snprintf(path, MAXPATHLEN, "%s/%s", dir->str, progname); 90270884Sjoe if (!is_dir(path)) 90370884Sjoe continue; 90470884Sjoe 90570884Sjoe if ((srcdir = strdup(path)) == NULL) 90670884Sjoe out_of_memory(); 90770884Sjoe 90870884Sjoe return srcdir; 90970331Sjoe } 91070884Sjoe return NULL; 9111722Sjkh} 9121722Sjkh 9131722Sjkh 9141722Sjkhvoid top_makefile_rules(FILE *outmk) 9151722Sjkh{ 91670884Sjoe prog_t *p; 9171722Sjkh 91870884Sjoe fprintf(outmk, "LIBS="); 91970884Sjoe output_strlst(outmk, libs); 9201722Sjkh 92170884Sjoe if (makeobj) { 92270884Sjoe fprintf(outmk, "MAKEOBJDIRPREFIX?=%s\n", objprefix); 92370884Sjoe fprintf(outmk, "MAKE=env MAKEOBJDIRPREFIX=$(MAKEOBJDIRPREFIX) " 92470884Sjoe "make\n"); 92570884Sjoe } else { 92670884Sjoe fprintf(outmk, "MAKE=make\n"); 92770884Sjoe } 92870112Sjoe 92970884Sjoe if (buildopts) { 93070884Sjoe fprintf(outmk, "BUILDOPTS+="); 93170884Sjoe output_strlst(outmk, buildopts); 93270884Sjoe } 93368750Sjoe 93470884Sjoe fprintf(outmk, "CRUNCHED_OBJS="); 93570884Sjoe for (p = progs; p != NULL; p = p->next) 93670884Sjoe fprintf(outmk, " %s.lo", p->name); 93770884Sjoe fprintf(outmk, "\n"); 9381722Sjkh 93970884Sjoe fprintf(outmk, "SUBMAKE_TARGETS="); 94070884Sjoe for (p = progs; p != NULL; p = p->next) 94170884Sjoe fprintf(outmk, " %s_make", p->ident); 94270884Sjoe fprintf(outmk, "\nSUBCLEAN_TARGETS="); 94370884Sjoe for (p = progs; p != NULL; p = p->next) 94470884Sjoe fprintf(outmk, " %s_clean", p->ident); 94570884Sjoe fprintf(outmk, "\n\n"); 9461722Sjkh 94770884Sjoe fprintf(outmk, "all: objs exe\nobjs: $(SUBMAKE_TARGETS)\n"); 94870884Sjoe fprintf(outmk, "exe: %s\n", execfname); 94970884Sjoe fprintf(outmk, "%s: %s.o $(CRUNCHED_OBJS)\n", execfname, execfname); 95070884Sjoe fprintf(outmk, "\t$(CC) -static -o %s %s.o $(CRUNCHED_OBJS) $(LIBS)\n", 9511722Sjkh execfname, execfname); 95270884Sjoe fprintf(outmk, "\tstrip %s\n", execfname); 95370884Sjoe fprintf(outmk, "realclean: clean subclean\n"); 95470884Sjoe fprintf(outmk, "clean:\n\trm -f %s *.lo *.o *_stub.c\n", execfname); 95570884Sjoe fprintf(outmk, "subclean: $(SUBCLEAN_TARGETS)\n"); 9561722Sjkh} 9571722Sjkh 9581722Sjkh 9591722Sjkhvoid prog_makefile_rules(FILE *outmk, prog_t *p) 9601722Sjkh{ 96170884Sjoe strlst_t *lst; 96230120Sjoerg 96370884Sjoe fprintf(outmk, "\n# -------- %s\n\n", p->name); 9641722Sjkh 96570884Sjoe if (p->srcdir && p->objs) { 96670884Sjoe fprintf(outmk, "%s_SRCDIR=%s\n", p->ident, p->srcdir); 96770884Sjoe fprintf(outmk, "%s_REALSRCDIR=%s\n", p->ident, p->realsrcdir); 96870112Sjoe 96970884Sjoe fprintf(outmk, "%s_OBJDIR=", p->ident); 97070884Sjoe if (p->objdir) 97170884Sjoe fprintf(outmk, "%s", p->objdir); 97270884Sjoe else 97370884Sjoe fprintf(outmk, "$(MAKEOBJDIRPREFIX)/$(%s_REALSRCDIR)\n", 97470884Sjoe p->ident); 97570884Sjoe fprintf(outmk, "\n"); 97670884Sjoe 97770884Sjoe fprintf(outmk, "%s_OBJS=", p->ident); 97870884Sjoe output_strlst(outmk, p->objs); 97970884Sjoe if (p->buildopts != NULL) { 98070884Sjoe fprintf(outmk, "%s_OPTS+=", p->ident); 98170884Sjoe output_strlst(outmk, p->buildopts); 98270884Sjoe } 98370884Sjoe fprintf(outmk, "%s_make:\n", p->ident); 98470884Sjoe fprintf(outmk, "\t(cd $(%s_SRCDIR) && ", p->ident); 98570884Sjoe if (makeobj) 98670884Sjoe fprintf(outmk, "$(MAKE) obj && "); 98770884Sjoe fprintf(outmk, "\\\n"); 98870884Sjoe fprintf(outmk, "\t\t$(MAKE) $(BUILDOPTS) $(%s_OPTS) depend &&", 98970112Sjoe p->ident); 99070884Sjoe fprintf(outmk, "\\\n"); 99170884Sjoe fprintf(outmk, "\t\t$(MAKE) $(BUILDOPTS) $(%s_OPTS) " 99270884Sjoe "$(%s_OBJS))", 99370884Sjoe p->ident, p->ident); 99470884Sjoe fprintf(outmk, "\n"); 99570884Sjoe fprintf(outmk, "%s_clean:\n", p->ident); 99670884Sjoe fprintf(outmk, "\t(cd $(%s_SRCDIR) && $(MAKE) clean)\n\n", 99770884Sjoe p->ident); 99870884Sjoe } else { 99970884Sjoe fprintf(outmk, "%s_make:\n", p->ident); 100070884Sjoe fprintf(outmk, "\t@echo \"** cannot make objs for %s\"\n\n", 100170884Sjoe p->ident, p->name); 100268569Sjoe } 10031722Sjkh 100470884Sjoe fprintf(outmk, "%s_OBJPATHS=", p->ident); 100570884Sjoe if (p->objpaths) 100670884Sjoe output_strlst(outmk, p->objpaths); 100770884Sjoe else { 100870884Sjoe for (lst = p->objs; lst != NULL; lst = lst->next) { 100970884Sjoe fprintf(outmk, " $(%s_OBJDIR)/%s", p->ident, lst->str); 101070884Sjoe } 101170884Sjoe fprintf(outmk, "\n"); 101270112Sjoe } 10131722Sjkh 101470884Sjoe fprintf(outmk, "%s_stub.c:\n", p->name); 101570884Sjoe fprintf(outmk, "\techo \"" 101670884Sjoe "int _crunched_%s_stub(int argc, char **argv, char **envp)" 101770884Sjoe "{return main(argc,argv,envp);}\" >%s_stub.c\n", 10181722Sjkh p->ident, p->name); 101970884Sjoe fprintf(outmk, "%s.lo: %s_stub.o $(%s_OBJPATHS)\n", 10201722Sjkh p->name, p->name, p->ident); 102170884Sjoe fprintf(outmk, "\tld -dc -r -o %s.lo %s_stub.o $(%s_OBJPATHS)\n", 10221722Sjkh p->name, p->name, p->ident); 102370884Sjoe fprintf(outmk, "\tcrunchide -k _crunched_%s_stub ", p->ident); 102470884Sjoe for (lst = p->keeplist; lst != NULL; lst = lst->next) 102570884Sjoe fprintf(outmk, "-k _%s ", lst->str); 102670884Sjoe fprintf(outmk, "%s.lo\n", p->name); 10271722Sjkh} 10281722Sjkh 10291722Sjkhvoid output_strlst(FILE *outf, strlst_t *lst) 10301722Sjkh{ 103170884Sjoe for (; lst != NULL; lst = lst->next) 103270884Sjoe fprintf(outf, " %s", lst->str); 103370884Sjoe fprintf(outf, "\n"); 10341722Sjkh} 10351722Sjkh 10361722Sjkh 10371722Sjkh/* 10381722Sjkh * ======================================================================== 10391722Sjkh * general library routines 10401722Sjkh * 10411722Sjkh */ 10421722Sjkh 10431722Sjkhvoid status(char *str) 10441722Sjkh{ 104570884Sjoe static int lastlen = 0; 104670884Sjoe int len, spaces; 10471722Sjkh 104870884Sjoe if (!verbose) 104970884Sjoe return; 10501722Sjkh 105170884Sjoe len = strlen(str); 105270884Sjoe spaces = lastlen - len; 105370884Sjoe if (spaces < 1) 105470884Sjoe spaces = 1; 10551722Sjkh 105670884Sjoe fprintf(stderr, " [%s]%*.*s\r", str, spaces, spaces, " "); 105770884Sjoe fflush(stderr); 105870884Sjoe lastlen = len; 10591722Sjkh} 10601722Sjkh 10611722Sjkh 10621722Sjkhvoid out_of_memory(void) 10631722Sjkh{ 106470884Sjoe err(1, "%s: %d: out of memory, stopping", infilename, linenum); 10651722Sjkh} 10661722Sjkh 10671722Sjkh 10681722Sjkhvoid add_string(strlst_t **listp, char *str) 10691722Sjkh{ 107070884Sjoe strlst_t *p1, *p2; 10711722Sjkh 107270884Sjoe /* add to end, but be smart about dups */ 10731722Sjkh 107470884Sjoe for (p1 = NULL, p2 = *listp; p2 != NULL; p1 = p2, p2 = p2->next) 107570884Sjoe if (!strcmp(p2->str, str)) 107670884Sjoe return; 10771722Sjkh 107870884Sjoe p2 = malloc(sizeof(strlst_t)); 107970884Sjoe if (p2) { 108070884Sjoe p2->next = NULL; 108170884Sjoe p2->str = strdup(str); 108270884Sjoe } 108370884Sjoe if (!p2 || !p2->str) 108470884Sjoe out_of_memory(); 10851722Sjkh 108670884Sjoe if (p1 == NULL) 108770884Sjoe *listp = p2; 108870884Sjoe else 108970884Sjoe p1->next = p2; 10901722Sjkh} 10911722Sjkh 10921722Sjkh 10931722Sjkhint is_dir(char *pathname) 10941722Sjkh{ 109570884Sjoe struct stat buf; 10961722Sjkh 109770884Sjoe if (stat(pathname, &buf) == -1) 109870884Sjoe return 0; 109970884Sjoe 110070884Sjoe return S_ISDIR(buf.st_mode); 11011722Sjkh} 11021722Sjkh 11031722Sjkhint is_nonempty_file(char *pathname) 11041722Sjkh{ 110570884Sjoe struct stat buf; 11061722Sjkh 110770884Sjoe if (stat(pathname, &buf) == -1) 110870884Sjoe return 0; 11091722Sjkh 111070884Sjoe return S_ISREG(buf.st_mode) && buf.st_size > 0; 11111722Sjkh} 1112