diff options
Diffstat (limited to 'usr.sbin/crunch/crunchgen/crunchgen.c')
| -rw-r--r-- | usr.sbin/crunch/crunchgen/crunchgen.c | 1196 |
1 files changed, 0 insertions, 1196 deletions
diff --git a/usr.sbin/crunch/crunchgen/crunchgen.c b/usr.sbin/crunch/crunchgen/crunchgen.c deleted file mode 100644 index 752acc6..0000000 --- a/usr.sbin/crunch/crunchgen/crunchgen.c +++ /dev/null @@ -1,1196 +0,0 @@ -/* - * Copyright (c) 1994 University of Maryland - * All Rights Reserved. - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of U.M. not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. U.M. makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M. - * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: James da Silva, Systems Design and Analysis Group - * Computer Science Department - * University of Maryland at College Park - * - * $FreeBSD$ - */ -/* - * ======================================================================== - * crunchgen.c - * - * Generates a Makefile and main C file for a crunched executable, - * from specs given in a .conf file. - */ -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/param.h> - -#include <ctype.h> -#include <err.h> -#include <paths.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#define CRUNCH_VERSION "0.2" - -#define MAXLINELEN 16384 -#define MAXFIELDS 2048 - - -/* internal representation of conf file: */ - -/* simple lists of strings suffice for most parms */ - -typedef struct strlst { - struct strlst *next; - char *str; -} strlst_t; - -/* progs have structure, each field can be set with "special" or calculated */ - -typedef struct prog { - struct prog *next; /* link field */ - char *name; /* program name */ - char *ident; /* C identifier for the program name */ - char *srcdir; - char *realsrcdir; - char *objdir; - char *objvar; /* Makefile variable to replace OBJS */ - strlst_t *objs, *objpaths; - strlst_t *buildopts; - strlst_t *keeplist; - strlst_t *links; - strlst_t *libs; - strlst_t *libs_so; - int goterror; -} prog_t; - - -/* global state */ - -strlst_t *buildopts = NULL; -strlst_t *srcdirs = NULL; -strlst_t *libs = NULL; -strlst_t *libs_so = NULL; -prog_t *progs = NULL; - -char confname[MAXPATHLEN], infilename[MAXPATHLEN]; -char outmkname[MAXPATHLEN], outcfname[MAXPATHLEN], execfname[MAXPATHLEN]; -char tempfname[MAXPATHLEN], cachename[MAXPATHLEN], curfilename[MAXPATHLEN]; -char outhdrname[MAXPATHLEN] ; /* user-supplied header for *.mk */ -char *objprefix; /* where are the objects ? */ -int linenum = -1; -int goterror = 0; - -int verbose, readcache; /* options */ -int reading_cache; -int makeobj = 0; /* add 'make obj' rules to the makefile */ - -int list_mode; - -/* general library routines */ - -void status(char *str); -void out_of_memory(void); -void add_string(strlst_t **listp, char *str); -int is_dir(char *pathname); -int is_nonempty_file(char *pathname); -int subtract_strlst(strlst_t **lista, strlst_t **listb); -int in_list(strlst_t **listp, char *str); - -/* helper routines for main() */ - -void usage(void); -void parse_conf_file(void); -void gen_outputs(void); - - -int main(int argc, char **argv) -{ - char *p; - int optc; - - verbose = 1; - readcache = 1; - *outmkname = *outcfname = *execfname = '\0'; - - p = getenv("MAKEOBJDIRPREFIX"); - if (p == NULL || *p == '\0') - objprefix = "/usr/obj"; /* default */ - else - if ((objprefix = strdup(p)) == NULL) - out_of_memory(); - - while((optc = getopt(argc, argv, "lh:m:c:e:p:foq")) != -1) { - switch(optc) { - case 'f': - readcache = 0; - break; - case 'o': - makeobj = 1; - break; - case 'q': - verbose = 0; - break; - - case 'm': - strlcpy(outmkname, optarg, sizeof(outmkname)); - break; - case 'p': - if ((objprefix = strdup(optarg)) == NULL) - out_of_memory(); - break; - - case 'h': - strlcpy(outhdrname, optarg, sizeof(outhdrname)); - break; - case 'c': - strlcpy(outcfname, optarg, sizeof(outcfname)); - break; - case 'e': - strlcpy(execfname, optarg, sizeof(execfname)); - break; - - case 'l': - list_mode++; - verbose = 0; - break; - - case '?': - default: - usage(); - } - } - - argc -= optind; - argv += optind; - - if (argc != 1) - usage(); - - /* - * generate filenames - */ - - strlcpy(infilename, argv[0], sizeof(infilename)); - - /* confname = `basename infilename .conf` */ - - if ((p=strrchr(infilename, '/')) != NULL) - strlcpy(confname, p + 1, sizeof(confname)); - else - strlcpy(confname, infilename, sizeof(confname)); - - if ((p=strrchr(confname, '.')) != NULL && !strcmp(p, ".conf")) - *p = '\0'; - - if (!*outmkname) - snprintf(outmkname, sizeof(outmkname), "%s.mk", confname); - if (!*outcfname) - snprintf(outcfname, sizeof(outcfname), "%s.c", confname); - if (!*execfname) - snprintf(execfname, sizeof(execfname), "%s", confname); - - snprintf(cachename, sizeof(cachename), "%s.cache", confname); - snprintf(tempfname, sizeof(tempfname), "%s/crunchgen_%sXXXXXX", - getenv("TMPDIR") ? getenv("TMPDIR") : _PATH_TMP, confname); - - parse_conf_file(); - if (list_mode) - exit(goterror); - - gen_outputs(); - - exit(goterror); -} - - -void usage(void) -{ - fprintf(stderr, "%s%s\n\t%s%s\n", "usage: crunchgen [-foq] ", - "[-h <makefile-header-name>] [-m <makefile>]", - "[-p <obj-prefix>] [-c <c-file-name>] [-e <exec-file>] ", - "<conffile>"); - exit(1); -} - - -/* - * ======================================================================== - * parse_conf_file subsystem - * - */ - -/* helper routines for parse_conf_file */ - -void parse_one_file(char *filename); -void parse_line(char *line, int *fc, char **fv, int nf); -void add_srcdirs(int argc, char **argv); -void add_progs(int argc, char **argv); -void add_link(int argc, char **argv); -void add_libs(int argc, char **argv); -void add_libs_so(int argc, char **argv); -void add_buildopts(int argc, char **argv); -void add_special(int argc, char **argv); - -prog_t *find_prog(char *str); -void add_prog(char *progname); - - -void parse_conf_file(void) -{ - if (!is_nonempty_file(infilename)) - errx(1, "fatal: input file \"%s\" not found", infilename); - - parse_one_file(infilename); - if (readcache && is_nonempty_file(cachename)) { - reading_cache = 1; - parse_one_file(cachename); - } -} - - -void parse_one_file(char *filename) -{ - char *fieldv[MAXFIELDS]; - int fieldc; - void (*f)(int c, char **v); - FILE *cf; - char line[MAXLINELEN]; - - snprintf(line, sizeof(line), "reading %s", filename); - status(line); - strlcpy(curfilename, filename, sizeof(curfilename)); - - if ((cf = fopen(curfilename, "r")) == NULL) { - warn("%s", curfilename); - goterror = 1; - return; - } - - linenum = 0; - while (fgets(line, MAXLINELEN, cf) != NULL) { - linenum++; - parse_line(line, &fieldc, fieldv, MAXFIELDS); - - if (fieldc < 1) - continue; - - if (!strcmp(fieldv[0], "srcdirs")) - f = add_srcdirs; - else if(!strcmp(fieldv[0], "progs")) - f = add_progs; - else if(!strcmp(fieldv[0], "ln")) - f = add_link; - else if(!strcmp(fieldv[0], "libs")) - f = add_libs; - else if(!strcmp(fieldv[0], "libs_so")) - f = add_libs_so; - else if(!strcmp(fieldv[0], "buildopts")) - f = add_buildopts; - else if(!strcmp(fieldv[0], "special")) - f = add_special; - else { - warnx("%s:%d: skipping unknown command `%s'", - curfilename, linenum, fieldv[0]); - goterror = 1; - continue; - } - - if (fieldc < 2) { - warnx("%s:%d: %s %s", - curfilename, linenum, fieldv[0], - "command needs at least 1 argument, skipping"); - goterror = 1; - continue; - } - - f(fieldc, fieldv); - } - - if (ferror(cf)) { - warn("%s", curfilename); - goterror = 1; - } - fclose(cf); -} - - -void parse_line(char *line, int *fc, char **fv, int nf) -{ - char *p; - - p = line; - *fc = 0; - - while (1) { - while (isspace(*p)) - p++; - - if (*p == '\0' || *p == '#') - break; - - if (*fc < nf) - fv[(*fc)++] = p; - - while (*p && !isspace(*p) && *p != '#') - p++; - - if (*p == '\0' || *p == '#') - break; - - *p++ = '\0'; - } - - if (*p) - *p = '\0'; /* needed for '#' case */ -} - - -void add_srcdirs(int argc, char **argv) -{ - int i; - - for (i = 1; i < argc; i++) { - if (is_dir(argv[i])) - add_string(&srcdirs, argv[i]); - else { - warnx("%s:%d: `%s' is not a directory, skipping it", - curfilename, linenum, argv[i]); - goterror = 1; - } - } -} - - -void add_progs(int argc, char **argv) -{ - int i; - - for (i = 1; i < argc; i++) - add_prog(argv[i]); -} - - -void add_prog(char *progname) -{ - prog_t *p1, *p2; - - /* add to end, but be smart about dups */ - - for (p1 = NULL, p2 = progs; p2 != NULL; p1 = p2, p2 = p2->next) - if (!strcmp(p2->name, progname)) - return; - - p2 = malloc(sizeof(prog_t)); - if(p2) { - memset(p2, 0, sizeof(prog_t)); - p2->name = strdup(progname); - } - if (!p2 || !p2->name) - out_of_memory(); - - p2->next = NULL; - if (p1 == NULL) - progs = p2; - else - p1->next = p2; - - p2->ident = NULL; - p2->srcdir = NULL; - p2->realsrcdir = NULL; - p2->objdir = NULL; - p2->links = NULL; - p2->libs = NULL; - p2->libs_so = NULL; - p2->objs = NULL; - p2->keeplist = NULL; - p2->buildopts = NULL; - p2->goterror = 0; - - if (list_mode) - printf("%s\n",progname); -} - - -void add_link(int argc, char **argv) -{ - int i; - prog_t *p = find_prog(argv[1]); - - if (p == NULL) { - warnx("%s:%d: no prog %s previously declared, skipping link", - curfilename, linenum, argv[1]); - goterror = 1; - return; - } - - for (i = 2; i < argc; i++) { - if (list_mode) - printf("%s\n",argv[i]); - - add_string(&p->links, argv[i]); - } -} - - -void add_libs(int argc, char **argv) -{ - int i; - - for(i = 1; i < argc; i++) { - add_string(&libs, argv[i]); - if ( in_list(&libs_so, argv[i]) ) - warnx("%s:%d: " - "library `%s' specified as dynamic earlier", - curfilename, linenum, argv[i]); - } -} - - -void add_libs_so(int argc, char **argv) -{ - int i; - - for(i = 1; i < argc; i++) { - add_string(&libs_so, argv[i]); - if ( in_list(&libs, argv[i]) ) - warnx("%s:%d: " - "library `%s' specified as static earlier", - curfilename, linenum, argv[i]); - } -} - - -void add_buildopts(int argc, char **argv) -{ - int i; - - for (i = 1; i < argc; i++) - add_string(&buildopts, argv[i]); -} - - -void add_special(int argc, char **argv) -{ - int i; - prog_t *p = find_prog(argv[1]); - - if (p == NULL) { - if (reading_cache) - return; - - warnx("%s:%d: no prog %s previously declared, skipping special", - curfilename, linenum, argv[1]); - goterror = 1; - return; - } - - if (!strcmp(argv[2], "ident")) { - if (argc != 4) - goto argcount; - if ((p->ident = strdup(argv[3])) == NULL) - out_of_memory(); - } else if (!strcmp(argv[2], "srcdir")) { - if (argc != 4) - goto argcount; - if ((p->srcdir = strdup(argv[3])) == NULL) - out_of_memory(); - } else if (!strcmp(argv[2], "objdir")) { - if(argc != 4) - goto argcount; - if((p->objdir = strdup(argv[3])) == NULL) - out_of_memory(); - } else if (!strcmp(argv[2], "objs")) { - p->objs = NULL; - for (i = 3; i < argc; i++) - add_string(&p->objs, argv[i]); - } else if (!strcmp(argv[2], "objpaths")) { - p->objpaths = NULL; - for (i = 3; i < argc; i++) - add_string(&p->objpaths, argv[i]); - } else if (!strcmp(argv[2], "keep")) { - p->keeplist = NULL; - for(i = 3; i < argc; i++) - add_string(&p->keeplist, argv[i]); - } else if (!strcmp(argv[2], "objvar")) { - if(argc != 4) - goto argcount; - if ((p->objvar = strdup(argv[3])) == NULL) - out_of_memory(); - } else if (!strcmp(argv[2], "buildopts")) { - p->buildopts = NULL; - for (i = 3; i < argc; i++) - add_string(&p->buildopts, argv[i]); - } else if (!strcmp(argv[2], "lib")) { - for (i = 3; i < argc; i++) - add_string(&p->libs, argv[i]); - } else { - warnx("%s:%d: bad parameter name `%s', skipping line", - curfilename, linenum, argv[2]); - goterror = 1; - } - return; - - argcount: - warnx("%s:%d: too %s arguments, expected \"special %s %s <string>\"", - curfilename, linenum, argc < 4? "few" : "many", argv[1], argv[2]); - goterror = 1; -} - - -prog_t *find_prog(char *str) -{ - prog_t *p; - - for (p = progs; p != NULL; p = p->next) - if (!strcmp(p->name, str)) - return p; - - return NULL; -} - - -/* - * ======================================================================== - * gen_outputs subsystem - * - */ - -/* helper subroutines */ - -void remove_error_progs(void); -void fillin_program(prog_t *p); -void gen_specials_cache(void); -void gen_output_makefile(void); -void gen_output_cfile(void); - -void fillin_program_objs(prog_t *p, char *path); -void top_makefile_rules(FILE *outmk); -void prog_makefile_rules(FILE *outmk, prog_t *p); -void output_strlst(FILE *outf, strlst_t *lst); -char *genident(char *str); -char *dir_search(char *progname); - - -void gen_outputs(void) -{ - prog_t *p; - - for (p = progs; p != NULL; p = p->next) - fillin_program(p); - - remove_error_progs(); - gen_specials_cache(); - gen_output_cfile(); - gen_output_makefile(); - status(""); - fprintf(stderr, - "Run \"make -f %s\" to build crunched binary.\n", outmkname); -} - -/* - * run the makefile for the program to find which objects are necessary - */ -void fillin_program(prog_t *p) -{ - char path[MAXPATHLEN]; - char line[MAXLINELEN]; - FILE *f; - - snprintf(line, MAXLINELEN, "filling in parms for %s", p->name); - status(line); - - if (!p->ident) - p->ident = genident(p->name); - - /* look for the source directory if one wasn't specified by a special */ - if (!p->srcdir) { - p->srcdir = dir_search(p->name); - } - - /* Determine the actual srcdir (maybe symlinked). */ - if (p->srcdir) { - snprintf(line, MAXLINELEN, "cd %s && echo -n `/bin/pwd`", - p->srcdir); - f = popen(line,"r"); - if (!f) - errx(1, "Can't execute: %s\n", line); - - path[0] = '\0'; - fgets(path, sizeof path, f); - if (pclose(f)) - errx(1, "Can't execute: %s\n", line); - - if (!*path) - errx(1, "Can't perform pwd on: %s\n", p->srcdir); - - p->realsrcdir = strdup(path); - } - - /* Unless the option to make object files was specified the - * the objects will be built in the source directory unless - * an object directory already exists. - */ - if (!makeobj && !p->objdir && p->srcdir) { - snprintf(line, sizeof line, "%s/%s", objprefix, p->realsrcdir); - if (is_dir(line)) { - if ((p->objdir = strdup(line)) == NULL) - out_of_memory(); - } else - p->objdir = p->realsrcdir; - } - - /* - * XXX look for a Makefile.{name} in local directory first. - * This lets us override the original Makefile. - */ - snprintf(path, sizeof(path), "Makefile.%s", p->name); - if (is_nonempty_file(path)) { - snprintf(line, MAXLINELEN, "Using %s for %s", path, p->name); - status(line); - } else - if (p->srcdir) - snprintf(path, sizeof(path), "%s/Makefile", p->srcdir); - if (!p->objs && p->srcdir && is_nonempty_file(path)) - fillin_program_objs(p, path); - - if (!p->srcdir && !p->objdir && verbose) - warnx("%s: %s: %s", - "warning: could not find source directory", - infilename, p->name); - if (!p->objs && verbose) - warnx("%s: %s: warning: could not find any .o files", - infilename, p->name); - - if ((!p->srcdir || !p->objdir) && !p->objs) - p->goterror = 1; -} - -void fillin_program_objs(prog_t *p, char *path) -{ - char *obj, *cp; - int fd, rc; - FILE *f; - char *objvar="OBJS"; - strlst_t *s; - char line[MAXLINELEN]; - - /* discover the objs from the srcdir Makefile */ - - if ((fd = mkstemp(tempfname)) == -1) { - perror(tempfname); - exit(1); - } - if ((f = fdopen(fd, "w")) == NULL) { - warn("%s", tempfname); - goterror = 1; - return; - } - if (p->objvar) - objvar = p->objvar; - - /* - * XXX include outhdrname (e.g. to contain Make variables) - */ - if (outhdrname[0] != '\0') - fprintf(f, ".include \"%s\"\n", outhdrname); - fprintf(f, ".include \"%s\"\n", path); - fprintf(f, ".POSIX:\n"); - if (buildopts) { - fprintf(f, "BUILDOPTS+="); - output_strlst(f, buildopts); - } - fprintf(f, ".if defined(PROG)\n"); - fprintf(f, "%s?=${PROG}.o\n", objvar); - fprintf(f, ".endif\n"); - fprintf(f, "loop:\n\t@echo 'OBJS= '${%s}\n", objvar); - - fprintf(f, "crunchgen_objs:\n" - "\t@cd %s && make -f %s $(BUILDOPTS) $(%s_OPTS)", - p->srcdir, tempfname, p->ident); - for (s = p->buildopts; s != NULL; s = s->next) - fprintf(f, " %s", s->str); - fprintf(f, " loop\n"); - - fclose(f); - - snprintf(line, MAXLINELEN, "cd %s && make -f %s -B crunchgen_objs", - p->srcdir, tempfname); - if ((f = popen(line, "r")) == NULL) { - warn("submake pipe"); - goterror = 1; - return; - } - - while(fgets(line, MAXLINELEN, f)) { - if (strncmp(line, "OBJS= ", 6)) { - warnx("make error: %s", line); - goterror = 1; - continue; - } - - cp = line + 6; - while (isspace(*cp)) - cp++; - - while(*cp) { - obj = cp; - while (*cp && !isspace(*cp)) - cp++; - if (*cp) - *cp++ = '\0'; - add_string(&p->objs, obj); - while (isspace(*cp)) - cp++; - } - } - - if ((rc=pclose(f)) != 0) { - warnx("make error: make returned %d", rc); - goterror = 1; - } - - unlink(tempfname); -} - -void remove_error_progs(void) -{ - prog_t *p1, *p2; - - p1 = NULL; p2 = progs; - while (p2 != NULL) { - if (!p2->goterror) - p1 = p2, p2 = p2->next; - else { - /* delete it from linked list */ - warnx("%s: %s: ignoring program because of errors", - infilename, p2->name); - if (p1) - p1->next = p2->next; - else - progs = p2->next; - p2 = p2->next; - } - } -} - -void gen_specials_cache(void) -{ - FILE *cachef; - prog_t *p; - char line[MAXLINELEN]; - - snprintf(line, MAXLINELEN, "generating %s", cachename); - status(line); - - if ((cachef = fopen(cachename, "w")) == NULL) { - warn("%s", cachename); - goterror = 1; - return; - } - - fprintf(cachef, "# %s - parm cache generated from %s by crunchgen " - " %s\n\n", - cachename, infilename, CRUNCH_VERSION); - - for (p = progs; p != NULL; p = p->next) { - fprintf(cachef, "\n"); - if (p->srcdir) - fprintf(cachef, "special %s srcdir %s\n", - p->name, p->srcdir); - if (p->objdir) - fprintf(cachef, "special %s objdir %s\n", - p->name, p->objdir); - if (p->objs) { - fprintf(cachef, "special %s objs", p->name); - output_strlst(cachef, p->objs); - } - if (p->objpaths) { - fprintf(cachef, "special %s objpaths", p->name); - output_strlst(cachef, p->objpaths); - } - } - fclose(cachef); -} - - -void gen_output_makefile(void) -{ - prog_t *p; - FILE *outmk; - char line[MAXLINELEN]; - - snprintf(line, MAXLINELEN, "generating %s", outmkname); - status(line); - - if ((outmk = fopen(outmkname, "w")) == NULL) { - warn("%s", outmkname); - goterror = 1; - return; - } - - fprintf(outmk, "# %s - generated from %s by crunchgen %s\n\n", - outmkname, infilename, CRUNCH_VERSION); - - if (outhdrname[0] != '\0') - fprintf(outmk, ".include \"%s\"\n", outhdrname); - - top_makefile_rules(outmk); - for (p = progs; p != NULL; p = p->next) - prog_makefile_rules(outmk, p); - - fprintf(outmk, "\n# ========\n"); - fclose(outmk); -} - - -void gen_output_cfile(void) -{ - extern char *crunched_skel[]; - char **cp; - FILE *outcf; - prog_t *p; - strlst_t *s; - char line[MAXLINELEN]; - - snprintf(line, MAXLINELEN, "generating %s", outcfname); - status(line); - - if((outcf = fopen(outcfname, "w")) == NULL) { - warn("%s", outcfname); - goterror = 1; - return; - } - - fprintf(outcf, - "/* %s - generated from %s by crunchgen %s */\n", - outcfname, infilename, CRUNCH_VERSION); - - fprintf(outcf, "#define EXECNAME \"%s\"\n", execfname); - for (cp = crunched_skel; *cp != NULL; cp++) - fprintf(outcf, "%s\n", *cp); - - for (p = progs; p != NULL; p = p->next) - fprintf(outcf, "extern int _crunched_%s_stub();\n", p->ident); - - fprintf(outcf, "\nstruct stub entry_points[] = {\n"); - for (p = progs; p != NULL; p = p->next) { - fprintf(outcf, "\t{ \"%s\", _crunched_%s_stub },\n", - p->name, p->ident); - for (s = p->links; s != NULL; s = s->next) - fprintf(outcf, "\t{ \"%s\", _crunched_%s_stub },\n", - s->str, p->ident); - } - - fprintf(outcf, "\t{ EXECNAME, crunched_main },\n"); - fprintf(outcf, "\t{ NULL, NULL }\n};\n"); - fclose(outcf); -} - - -char *genident(char *str) -{ - char *n, *s, *d; - - /* - * generates a Makefile/C identifier from a program name, - * mapping '-' to '_' and ignoring all other non-identifier - * characters. This leads to programs named "foo.bar" and - * "foobar" to map to the same identifier. - */ - - if ((n = strdup(str)) == NULL) - return NULL; - for (d = s = n; *s != '\0'; s++) { - if (*s == '-') - *d++ = '_'; - else if (*s == '_' || isalnum(*s)) - *d++ = *s; - } - *d = '\0'; - return n; -} - - -char *dir_search(char *progname) -{ - char path[MAXPATHLEN]; - strlst_t *dir; - char *srcdir; - - for (dir = srcdirs; dir != NULL; dir = dir->next) { - snprintf(path, MAXPATHLEN, "%s/%s", dir->str, progname); - if (!is_dir(path)) - continue; - - if ((srcdir = strdup(path)) == NULL) - out_of_memory(); - - return srcdir; - } - return NULL; -} - - -void top_makefile_rules(FILE *outmk) -{ - prog_t *p; - - if ( subtract_strlst(&libs, &libs_so) ) - fprintf(outmk, "# NOTE: Some LIBS declarations below overridden by LIBS_SO\n"); - - fprintf(outmk, "LIBS+="); - output_strlst(outmk, libs); - - fprintf(outmk, "LIBS_SO+="); - output_strlst(outmk, libs_so); - - if (makeobj) { - fprintf(outmk, "MAKEOBJDIRPREFIX?=%s\n", objprefix); - fprintf(outmk, "MAKEENV=env MAKEOBJDIRPREFIX=$(MAKEOBJDIRPREFIX)\n"); - fprintf(outmk, "CRUNCHMAKE=$(MAKEENV) $(MAKE)\n"); - } else { - fprintf(outmk, "CRUNCHMAKE=$(MAKE)\n"); - } - - if (buildopts) { - fprintf(outmk, "BUILDOPTS+="); - output_strlst(outmk, buildopts); - } - - fprintf(outmk, "CRUNCHED_OBJS="); - for (p = progs; p != NULL; p = p->next) - fprintf(outmk, " %s.lo", p->name); - fprintf(outmk, "\n"); - - fprintf(outmk, "SUBMAKE_TARGETS="); - for (p = progs; p != NULL; p = p->next) - fprintf(outmk, " %s_make", p->ident); - fprintf(outmk, "\nSUBCLEAN_TARGETS="); - for (p = progs; p != NULL; p = p->next) - fprintf(outmk, " %s_clean", p->ident); - fprintf(outmk, "\n\n"); - - fprintf(outmk, "all: objs exe\nobjs: $(SUBMAKE_TARGETS)\n"); - fprintf(outmk, "exe: %s\n", execfname); - fprintf(outmk, "%s: %s.o $(CRUNCHED_OBJS) $(SUBMAKE_TARGETS)\n", execfname, execfname); - fprintf(outmk, ".if defined(LIBS_SO) && !empty(LIBS_SO)\n"); - fprintf(outmk, "\t$(CC) -o %s %s.o $(CRUNCHED_OBJS) \\\n", - execfname, execfname); - fprintf(outmk, "\t\t-Xlinker -Bstatic $(LIBS) \\\n"); - fprintf(outmk, "\t\t-Xlinker -Bdynamic $(LIBS_SO)\n"); - fprintf(outmk, ".else\n"); - fprintf(outmk, "\t$(CC) -static -o %s %s.o $(CRUNCHED_OBJS) $(LIBS)\n", - execfname, execfname); - fprintf(outmk, ".endif\n"); - fprintf(outmk, "\tstrip %s\n", execfname); - fprintf(outmk, "realclean: clean subclean\n"); - fprintf(outmk, "clean:\n\trm -f %s *.lo *.o *_stub.c\n", execfname); - fprintf(outmk, "subclean: $(SUBCLEAN_TARGETS)\n"); -} - - -void prog_makefile_rules(FILE *outmk, prog_t *p) -{ - strlst_t *lst; - - fprintf(outmk, "\n# -------- %s\n\n", p->name); - - fprintf(outmk, "%s_OBJDIR=", p->ident); - if (p->objdir) - fprintf(outmk, "%s", p->objdir); - else - fprintf(outmk, "$(MAKEOBJDIRPREFIX)/$(%s_REALSRCDIR)\n", - p->ident); - fprintf(outmk, "\n"); - - fprintf(outmk, "%s_OBJPATHS=", p->ident); - if (p->objpaths) - output_strlst(outmk, p->objpaths); - else { - for (lst = p->objs; lst != NULL; lst = lst->next) { - fprintf(outmk, " $(%s_OBJDIR)/%s", p->ident, lst->str); - } - fprintf(outmk, "\n"); - } - - if (p->srcdir && p->objs) { - fprintf(outmk, "%s_SRCDIR=%s\n", p->ident, p->srcdir); - fprintf(outmk, "%s_REALSRCDIR=%s\n", p->ident, p->realsrcdir); - - fprintf(outmk, "%s_OBJS=", p->ident); - output_strlst(outmk, p->objs); - if (p->buildopts != NULL) { - fprintf(outmk, "%s_OPTS+=", p->ident); - output_strlst(outmk, p->buildopts); - } -#if 0 - fprintf(outmk, "$(%s_OBJPATHS): %s_make\n\n", p->ident, p->ident); -#endif - fprintf(outmk, "%s_make:\n", p->ident); - fprintf(outmk, "\t(cd $(%s_SRCDIR) && ", p->ident); - if (makeobj) - fprintf(outmk, "$(CRUNCHMAKE) obj && "); - fprintf(outmk, "\\\n"); - fprintf(outmk, "\t\t$(CRUNCHMAKE) $(BUILDOPTS) $(%s_OPTS) depend &&", - p->ident); - fprintf(outmk, "\\\n"); - fprintf(outmk, "\t\t$(CRUNCHMAKE) $(BUILDOPTS) $(%s_OPTS) " - "$(%s_OBJS))", - p->ident, p->ident); - fprintf(outmk, "\n"); - fprintf(outmk, "%s_clean:\n", p->ident); - fprintf(outmk, "\t(cd $(%s_SRCDIR) && $(CRUNCHMAKE) $(BUILDOPTS) clean cleandepend)\n\n", - p->ident); - } else { - fprintf(outmk, "%s_make:\n", p->ident); - fprintf(outmk, "\t@echo \"** cannot make objs for %s\"\n\n", - p->name); - } - - if (p->libs) { - fprintf(outmk, "%s_LIBS=", p->ident); - output_strlst(outmk, p->libs); - } - - fprintf(outmk, "%s_stub.c:\n", p->name); - fprintf(outmk, "\techo \"" - "int _crunched_%s_stub(int argc, char **argv, char **envp)" - "{return main(argc,argv,envp);}\" >%s_stub.c\n", - p->ident, p->name); - fprintf(outmk, "%s.lo: %s_stub.o $(%s_OBJPATHS)", - p->name, p->name, p->ident); - if (p->libs) - fprintf(outmk, " $(%s_LIBS)", p->ident); - - fprintf(outmk, "\n"); - fprintf(outmk, "\tld -dc -r -o %s.lo %s_stub.o $(%s_OBJPATHS)", - p->name, p->name, p->ident); - if (p->libs) - fprintf(outmk, " $(%s_LIBS)", p->ident); - fprintf(outmk, "\n"); - fprintf(outmk, "\tcrunchide -k _crunched_%s_stub ", p->ident); - for (lst = p->keeplist; lst != NULL; lst = lst->next) - fprintf(outmk, "-k _%s ", lst->str); - fprintf(outmk, "%s.lo\n", p->name); -} - -void output_strlst(FILE *outf, strlst_t *lst) -{ - for (; lst != NULL; lst = lst->next) - if ( strlen(lst->str) ) - fprintf(outf, " %s", lst->str); - fprintf(outf, "\n"); -} - - -/* - * ======================================================================== - * general library routines - * - */ - -void status(char *str) -{ - static int lastlen = 0; - int len, spaces; - - if (!verbose) - return; - - len = strlen(str); - spaces = lastlen - len; - if (spaces < 1) - spaces = 1; - - fprintf(stderr, " [%s]%*.*s\r", str, spaces, spaces, " "); - fflush(stderr); - lastlen = len; -} - - -void out_of_memory(void) -{ - err(1, "%s: %d: out of memory, stopping", infilename, linenum); -} - - -void add_string(strlst_t **listp, char *str) -{ - strlst_t *p1, *p2; - - /* add to end, but be smart about dups */ - - for (p1 = NULL, p2 = *listp; p2 != NULL; p1 = p2, p2 = p2->next) - if (!strcmp(p2->str, str)) - return; - - p2 = malloc(sizeof(strlst_t)); - if (p2) { - p2->next = NULL; - p2->str = strdup(str); - } - if (!p2 || !p2->str) - out_of_memory(); - - if (p1 == NULL) - *listp = p2; - else - p1->next = p2; -} - -int subtract_strlst(strlst_t **lista, strlst_t **listb) -{ - int subtract_count = 0; - strlst_t *p1; - for (p1 = *listb; p1 != NULL; p1 = p1->next) - if ( in_list(lista, p1->str) ) { - warnx("Will compile library `%s' dynamically", p1->str); - strcat(p1->str, ""); - subtract_count++; - } - return subtract_count; -} - -int in_list(strlst_t **listp, char *str) -{ - strlst_t *p1; - for (p1 = *listp; p1 != NULL; p1 = p1->next) - if (!strcmp(p1->str, str)) - return 1; - return 0; -} - -int is_dir(char *pathname) -{ - struct stat buf; - - if (stat(pathname, &buf) == -1) - return 0; - - return S_ISDIR(buf.st_mode); -} - -int is_nonempty_file(char *pathname) -{ - struct stat buf; - - if (stat(pathname, &buf) == -1) - return 0; - - return S_ISREG(buf.st_mode) && buf.st_size > 0; -} |
