13 typedef struct File File;
23 typedef void Mkfserr(char*, void*);
24 typedef void Mkfsenum(char*, char*, Dir*, void*);
26 typedef struct Name Name;
32 typedef struct Mkaux Mkaux;
50 static void domkfs(Mkaux *mkaux, File *me, int level);
52 static int copyfile(Mkaux*, File*, Dir*, int);
53 static void freefile(File*);
54 static File* getfile(Mkaux*, File*);
55 static char* getmode(Mkaux*, char*, ulong*);
56 static char* getname(Mkaux*, char*, char**);
57 static char* getpath(Mkaux*, char*);
58 static int mkfile(Mkaux*, File*);
59 static char* mkpath(Mkaux*, char*, char*);
60 static void mktree(Mkaux*, File*, int);
61 static void setnames(Mkaux*, File*);
62 static void skipdir(Mkaux*);
63 static void warn(Mkaux*, char *, ...);
66 //mprint(char *new, char *old, Dir *d, void*)
68 // print("%s %s %D\n", new, old, d);
72 revrdproto(char *proto, char *root, char *xroot, Mkfsenum *mkenum, Mkfserr *mkerr, void *a)
79 memset(&mx, 0, sizeof mx);
91 if((m->b = Bopen(proto, OREAD)) == nil) {
92 werrstr("open '%s': %r", proto);
96 memset(&file, 0, sizeof file);
101 if(setjmp(m->jmp) == 0)
102 domkfs(m, &file, -1);
111 emalloc(Mkaux *mkaux, ulong n)
117 longjmp(mkaux->jmp, 1); /* memory leak */
123 estrdup(Mkaux *mkaux, char *s)
127 longjmp(mkaux->jmp, 1); /* memory leak */
132 domkfs(Mkaux *mkaux, File *me, int level)
137 child = getfile(mkaux, me);
140 if((child->elem[0] == '+' || child->elem[0] == '*') && child->elem[1] == '\0'){
141 rec = child->elem[0] == '+';
143 child->new = estrdup(mkaux, me->new);
144 setnames(mkaux, child);
145 mktree(mkaux, child, rec);
147 child = getfile(mkaux, me);
149 while(child && mkaux->indent > level){
150 if(mkfile(mkaux, child))
151 domkfs(mkaux, child, mkaux->indent);
153 child = getfile(mkaux, me);
157 Bseek(mkaux->b, -Blinelen(mkaux->b), 1);
167 setname(Mkaux *mkaux, Name *name, char *s1, char *s2)
171 l = strlen(s1)+strlen(s2)+1;
174 name->s = emalloc(mkaux, l+SLOP);
177 snprint(name->s, name->n, "%s%s%s", s1, s2[0] && s2[0]!='/' ? "/" : "", s2);
181 mktree(Mkaux *mkaux, File *me, int rec)
187 setname(mkaux, &mkaux->fullname, mkaux->root, me->new);
188 fd = open(mkaux->fullname.s, OREAD);
190 warn(mkaux, "can't open %s: %r", mkaux->fullname.s);
195 while((n = dirread(fd, &d)) > 0){
196 for(i = 0; i < n; i++){
197 child.new = mkpath(mkaux, me->new, d[i].name);
199 child.old = mkpath(mkaux, me->old, d[i].name);
200 child.elem = d[i].name;
201 setnames(mkaux, &child);
202 if(copyfile(mkaux, &child, &d[i], 1) && rec)
203 mktree(mkaux, &child, rec);
213 mkfile(Mkaux *mkaux, File *f)
217 setname(mkaux, &mkaux->fullname, mkaux->root, f->new);
218 if((d = dirstat(mkaux->fullname.s)) == nil){
219 warn(mkaux, "can't stat file %s: %r", mkaux->fullname.s);
223 return copyfile(mkaux, f, d, 0);
227 copyfile(Mkaux *mkaux, File *f, Dir *d, int permonly)
234 * Extra stat here is inefficient but accounts for binds.
236 setname(mkaux, &mkaux->fullname, mkaux->root, f->new);
237 if((nd = dirstat(mkaux->fullname.s)) != nil)
240 setname(mkaux, &mkaux->fullname, mkaux->xroot, f->old ? f->old : f->new);
245 xmode = (d->mode >> 6) & 7;
246 d->mode |= xmode | (xmode << 3);
248 if(strcmp(f->uid, "-") != 0)
250 if(strcmp(f->gid, "-") != 0)
254 d->mode = (d->mode & ~0666) | (f->mode & 0666);
255 else if((d->mode&DMDIR) != (f->mode&DMDIR))
256 warn(mkaux, "inconsistent mode for %s", f->new);
261 if(p = strrchr(f->new, '/'))
266 mkaux->mkenum(f->new, mkaux->fullname.s, d, mkaux->a);
269 return (xmode&DMDIR) != 0;
273 mkpath(Mkaux *mkaux, char *prefix, char *elem)
278 n = strlen(prefix) + strlen(elem) + 2;
279 p = emalloc(mkaux, n);
287 setnames(Mkaux *mkaux, File *f)
292 setname(mkaux, &mkaux->oldfile, f->old, "");
294 setname(mkaux, &mkaux->oldfile, mkaux->xroot, f->old);
296 setname(mkaux, &mkaux->oldfile, mkaux->xroot, f->new);
310 * skip all files in the proto that
311 * could be in the current dir
314 skipdir(Mkaux *mkaux)
319 if(mkaux->indent < 0)
321 level = mkaux->indent;
324 p = Brdline(mkaux->b, '\n');
330 while((c = *p++) != '\n')
337 if(mkaux->indent <= level){
338 Bseek(mkaux->b, -Blinelen(mkaux->b), 1);
346 getfile(Mkaux *mkaux, File *old)
353 if(mkaux->indent < 0)
357 p = Brdline(mkaux->b, '\n');
363 while((c = *p++) != '\n')
370 if(c == '\n' || c == '#')
373 f = emalloc(mkaux, sizeof *f);
374 p = getname(mkaux, p, &elem);
378 f->new = mkpath(mkaux, old->new, elem);
380 f->elem = utfrrune(f->new, L'/') + 1;
381 p = getmode(mkaux, p, &f->mode);
382 p = getname(mkaux, p, &f->uid); /* LEAK */
387 f->uid = "-"; /* LEAK */
388 p = getname(mkaux, p, &f->gid); /* LEAK */
393 f->gid = "-"; /* LEAK */
394 f->old = getpath(mkaux, p);
395 if(f->old && strcmp(f->old, "-") == 0){
405 getpath(Mkaux *mkaux, char *p)
410 while((c = *p) == ' ' || c == '\t')
413 while((c = *q) != '\n' && c != ' ' && c != '\t')
418 new = emalloc(mkaux, n + 1);
425 getname(Mkaux *mkaux, char *p, char **buf)
430 while((c = *p) == ' ' || c == '\t')
434 while((c = *p) != '\n' && c != ' ' && c != '\t')
437 *buf = malloc(p+1-start);
440 memmove(*buf, start, p-start);
442 (*buf)[p-start] = '\0';
447 warn(mkaux, "can't read environment variable %s", *buf+1);
459 getmode(Mkaux *mkaux, char *p, ulong *xmode)
465 p = getname(mkaux, p, &buf);
470 if(!*s || strcmp(s, "-") == 0)
485 if(s[0] < '0' || s[0] > '7'
486 || s[1] < '0' || s[1] > '7'
487 || s[2] < '0' || s[2] > '7'
489 warn(mkaux, "bad mode specification %s", buf);
493 *xmode = m | strtoul(s, 0, 8);
499 warn(Mkaux *mkaux, char *fmt, ...)
505 vseprint(buf, buf+sizeof(buf), fmt, va);
509 mkaux->warn(buf, mkaux->a);
511 fprint(2, "warning: %s\n", buf);