Differential D25990 Diff 75731 head/usr.sbin/crunch/crunchgen/crunchgen.c

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head/usr.sbin/crunch/crunchgen/crunchgen.c

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#include <sys/cdefs.h>		#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");		__FBSDID("$FreeBSD$");

#include <sys/param.h>		#include <sys/param.h>
#include <sys/stat.h>		#include <sys/stat.h>

#include <ctype.h>		#include <ctype.h>
#include <err.h>		#include <err.h>
		#include <fcntl.h>
#include <paths.h>		#include <paths.h>
		#include <stdbool.h>
#include <stdio.h>		#include <stdio.h>
#include <stdlib.h>		#include <stdlib.h>
#include <string.h>		#include <string.h>
		#include <sysexits.h>
#include <unistd.h>		#include <unistd.h>

#define CRUNCH_VERSION "0.2"		#define CRUNCH_VERSION "0.2"

#define MAXLINELEN 16384		#define MAXLINELEN 16384
#define MAXFIELDS 2048		#define MAXFIELDS 2048


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strlst_t *srcdirs = NULL;		strlst_t *srcdirs = NULL;
strlst_t *libs = NULL;		strlst_t *libs = NULL;
strlst_t *libs_so = NULL;		strlst_t *libs_so = NULL;
prog_t *progs = NULL;		prog_t *progs = NULL;

char confname[MAXPATHLEN], infilename[MAXPATHLEN];		char confname[MAXPATHLEN], infilename[MAXPATHLEN];
char outmkname[MAXPATHLEN], outcfname[MAXPATHLEN], execfname[MAXPATHLEN];		char outmkname[MAXPATHLEN], outcfname[MAXPATHLEN], execfname[MAXPATHLEN];
char tempfname[MAXPATHLEN], cachename[MAXPATHLEN], curfilename[MAXPATHLEN];		char tempfname[MAXPATHLEN], cachename[MAXPATHLEN], curfilename[MAXPATHLEN];
		bool tempfname_initialized = false;
char outhdrname[MAXPATHLEN] ; /* user-supplied header for .mk /		char outhdrname[MAXPATHLEN] ; /* user-supplied header for .mk /
char objprefix; / where are the objects ? */		char objprefix; / where are the objects ? */
char *path_make;		char *path_make;
int linenum = -1;		int linenum = -1;
int goterror = 0;		int goterror = 0;

int verbose, readcache; /* options */		int verbose, readcache; /* options */
int reading_cache;		int reading_cache;
▲ Show 20 Lines • Show All 109 Lines • ▼ Show 20 Lines	main(int argc, char **argv)
if (!*outcfname)		if (!*outcfname)
snprintf(outcfname, sizeof(outcfname), "%s.c", confname);		snprintf(outcfname, sizeof(outcfname), "%s.c", confname);
if (!*execfname)		if (!*execfname)
snprintf(execfname, sizeof(execfname), "%s", confname);		snprintf(execfname, sizeof(execfname), "%s", confname);

snprintf(cachename, sizeof(cachename), "%s.cache", confname);		snprintf(cachename, sizeof(cachename), "%s.cache", confname);
snprintf(tempfname, sizeof(tempfname), "%s/crunchgen_%sXXXXXX",		snprintf(tempfname, sizeof(tempfname), "%s/crunchgen_%sXXXXXX",
getenv("TMPDIR") ? getenv("TMPDIR") : _PATH_TMP, confname);		getenv("TMPDIR") ? getenv("TMPDIR") : _PATH_TMP, confname);
		tempfname_initialized = false;

parse_conf_file();		parse_conf_file();
if (list_mode)		if (list_mode)
exit(goterror);		exit(goterror);

gen_outputs();		gen_outputs();

exit(goterror);		exit(goterror);
▲ Show 20 Lines • Show All 416 Lines • ▼ Show 20 Lines	fillin_program(prog_t *p)

/* look for the source directory if one wasn't specified by a special */		/* look for the source directory if one wasn't specified by a special */
if (!p->srcdir) {		if (!p->srcdir) {
p->srcdir = dir_search(p->name);		p->srcdir = dir_search(p->name);
}		}

/* Determine the actual srcdir (maybe symlinked). */		/* Determine the actual srcdir (maybe symlinked). */
if (p->srcdir) {		if (p->srcdir) {
snprintf(line, MAXLINELEN, "cd %s && echo -n `/bin/pwd`",		snprintf(line, MAXLINELEN, "cd %s && pwd", p->srcdir);
p->srcdir);
f = popen(line,"r");		f = popen(line,"r");
if (!f)		if (!f)
errx(1, "Can't execute: %s\n", line);		errx(1, "Can't execute: %s\n", line);

path[0] = '\0';		path[0] = '\0';
fgets(path, sizeof path, f);		fgets(path, sizeof path, f);
if (pclose(f))		if (pclose(f))
errx(1, "Can't execute: %s\n", line);		errx(1, "Can't execute: %s\n", line);
▲ Show 20 Lines • Show All 55 Lines • ▼ Show 20 Lines	fillin_program_objs(prog_t p, char path)
int fd, rc;		int fd, rc;
FILE *f;		FILE *f;
char *objvar="OBJS";		char *objvar="OBJS";
strlst_t *s;		strlst_t *s;
char line[MAXLINELEN];		char line[MAXLINELEN];

/* discover the objs from the srcdir Makefile */		/* discover the objs from the srcdir Makefile */

if ((fd = mkstemp(tempfname)) == -1) {		/*
perror(tempfname);		* We reuse the same temporary file name for multiple objects. However,
exit(1);		* some libc implementations (such as glibc) return EINVAL if there
		* are no XXXXX characters in the template. This happens after the
		* first call to mkstemp since the argument is modified in-place.
		* To avoid this error we use open() instead of mkstemp() after the
		* call to mkstemp().
		*/
		if (tempfname_initialized) {
		if ((fd = open(tempfname, O_CREAT \| O_EXCL \| O_RDWR, 0600)) == -1) {
		err(EX_OSERR, "open(%s)", tempfname);
}		}
		} else if ((fd = mkstemp(tempfname)) == -1) {
		err(EX_OSERR, "mkstemp(%s)", tempfname);
		}
		tempfname_initialized = true;
if ((f = fdopen(fd, "w")) == NULL) {		if ((f = fdopen(fd, "w")) == NULL) {
warn("%s", tempfname);		warn("fdopen(%s)", tempfname);
goterror = 1;		goterror = 1;
return;		goto out;
}		}
if (p->objvar)		if (p->objvar)
objvar = p->objvar;		objvar = p->objvar;

/*		/*
* XXX include outhdrname (e.g. to contain Make variables)		* XXX include outhdrname (e.g. to contain Make variables)
*/		*/
if (outhdrname[0] != '\0')		if (outhdrname[0] != '\0')
Show All 18 Lines	fillin_program_objs(prog_t p, char path)

fclose(f);		fclose(f);

snprintf(line, MAXLINELEN, "cd %s && %s -f %s -B crunchgen_objs",		snprintf(line, MAXLINELEN, "cd %s && %s -f %s -B crunchgen_objs",
p->srcdir, path_make, tempfname);		p->srcdir, path_make, tempfname);
if ((f = popen(line, "r")) == NULL) {		if ((f = popen(line, "r")) == NULL) {
warn("submake pipe");		warn("submake pipe");
goterror = 1;		goterror = 1;
return;		goto out;
}		}

while(fgets(line, MAXLINELEN, f)) {		while(fgets(line, MAXLINELEN, f)) {
if (strncmp(line, "OBJS= ", 6)) {		if (strncmp(line, "OBJS= ", 6)) {
warnx("make error: %s", line);		warnx("make error: %s", line);
goterror = 1;		goterror = 1;
continue;		goto out;
}		}

cp = line + 6;		cp = line + 6;
while (isspace((unsigned char)*cp))		while (isspace((unsigned char)*cp))
cp++;		cp++;

while(*cp) {		while(*cp) {
obj = cp;		obj = cp;
while (cp && !isspace((unsigned char)cp))		while (cp && !isspace((unsigned char)cp))
cp++;		cp++;
if (*cp)		if (*cp)
*cp++ = '\0';		*cp++ = '\0';
add_string(&p->objs, obj);		add_string(&p->objs, obj);
while (isspace((unsigned char)*cp))		while (isspace((unsigned char)*cp))
cp++;		cp++;
}		}
}		}

if ((rc=pclose(f)) != 0) {		if ((rc=pclose(f)) != 0) {
warnx("make error: make returned %d", rc);		warnx("make error: make returned %d", rc);
goterror = 1;		goterror = 1;
}		}
		out:
unlink(tempfname);		unlink(tempfname);
}		}

void		void
remove_error_progs(void)		remove_error_progs(void)
{		{
prog_t p1, p2;		prog_t p1, p2;

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