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#include <lib9.h>
#include <bio.h>
#include <mach.h>
int conly;
int exists;
enum {
Maxroot = 10,
};
int nroot;
char *root[Maxroot];
int rootlen[Maxroot];
void usage(void);
void error(char *);
void addroot(char *);
void addroots(char *);
void chomp(char *);
extern char *mygetwd(char*, int);
void
main(int argc, char **argv)
{
char buf[1024], *cwd;
cwd = mygetwd(buf, sizeof(buf));
ARGBEGIN {
case 'c':
conly = 1;
break;
case 'e':
exists = 1;
break;
case 'r':
addroots(EARGF(usage()));
break;
default:
usage();
} ARGEND
if(argc != 1)
usage();
if(cwd != nil)
chdir(cwd);
setbinmode();
chomp(argv[0]);
exits(0);
}
void
addroot(char *x)
{
if(nroot >= Maxroot){
fprint(2, "srclist: too many root directories\n");
exits("usage");
}
root[nroot] = x;
rootlen[nroot] = strlen(x);
nroot++;
}
void
addrootnt(char *r)
{
addroot(r);
if(r[1] != ':')
return; /* phew! */
if(*r >= 'a' && *r <= 'z' || *r >= 'A' && *r <= 'Z')
addroot(r+2);
}
void
addroots(char *r)
{
char buf[1024], *r2;
addrootnt(r);
if(chdir(r) < 0)
return;
r2 = mygetwd(buf, sizeof(buf));
if(r2 && strcmp(r2, r) != 0)
addrootnt(r2);
}
void
chomp(char *file)
{
int fd, i, j, len;
Fhdr fhdr;
Dir *td;
char fname[1024];
fd = open(file, OREAD);
if(fd < 0)
error("open");
if(crackhdr(fd, &fhdr) == 0)
error("crackhdr");
if(syminit(fd, &fhdr) < 0)
error("syminit");
for(i = 0; i < 1000; i++)
if(filesym(i, fname, sizeof(fname)-1)){
cleanname(fname);
if(conly){
len = strlen(fname);
if(len < 2 || strcmp(fname+len-2, ".c") != 0)
continue;
}
if(exists){
if((td = dirstat(fname)) == nil)
continue;
free(td);
}
if(nroot){
for(j = 0; j < nroot; j++)
if(strncmp(fname, root[j], rootlen[j]) == 0)
break;
if(j == nroot)
continue;
}
print("%s\n", fname);
}
}
void
usage(void)
{
fprint(2, "usage: srclist [-ce] [-r root] <objfile>\n");
exits("usage");
}
void
error(char *s)
{
fprint(2, "srclist: %s: %r\n", s);
exits(s);
}
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