sanchayanmaity/minix
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

toproto:convert special execute bits to chars

Browse source 
Convert the special execute bits of the METALOG file mode entries into mkfs.mfs
compatible u and g flags.
This commit is contained in:
Kees Jongenburger 2013-04-23 16:51:02 +02:00
parent 44f34e53d5
commit dca81e0581
1 changed files with 20 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
usr.bin/toproto/toproto.c
View file

@ -25,12 +25,13 @@
enum entry_type
{ ENTRY_DIR, ENTRY_FILE, ENTRY_LINK };
struct entry
{
char *path;
char *filename; /* point to last component in the path */
enum entry_type type; /* entry type */
char *mode; /* unix mode e.g. 0755 */
int mode; /* unix mode e.g. 0755 */
char *uid;
char *gid;
char *time; /* time 1365836670.000000000 */
@ -101,7 +102,7 @@ convert_to_entry(char *line, struct entry *entry)
value);
}
} else if (strncmp(key, "mode", 5) == 0) {
entry->mode = strndup(value, MAX_LINE_SIZE);
sscanf(value,"%o",&entry->mode);
} else if (strncmp(key, "uid", 4) == 0) {
entry->uid = strndup(value, MAX_LINE_SIZE);
} else if (strncmp(key, "gid", 4) == 0) {
@ -275,6 +276,19 @@ create_entries(int handle)
return 0;
}
char * parse_mode(int mode){
/* Convert a 4 digit octal number int a proto entry as described in
the mkfs.mfs man page e.g. [suid-char][guid-char]0777 mode */
static char m[6];
memset(m,0,6);
char suid,guid;
suid = (mode & 04000)?'u':'-';
guid = (mode & 02000)?'g':'-';
snprintf(m,6,"%c%c%3o",suid,guid,mode & 0777);
return m;
}
static int
dump_entry(FILE * out, int index, char *base_dir)
{
@ -290,7 +304,7 @@ dump_entry(FILE * out, int index, char *base_dir)
if (entries[index].depth > 0) {
fprintf(out, "%s ", entry->filename);
}
fprintf(out, "d--%s", entry->mode);
fprintf(out, "d%s", parse_mode(entry->mode));
fprintf(out, " %s", (entry->uid) ? entry->uid : "0");
fprintf(out, " %s", (entry->gid) ? entry->gid : "0");
fprintf(out, "\n");
@ -308,15 +322,15 @@ dump_entry(FILE * out, int index, char *base_dir)
fprintf(out, " ");
}
/* hack skipping the first . in the path */
fprintf(out, "%s ---%s %s %s %s%s\n", entry->filename,
entry->mode, entry->uid, entry->gid, base_dir,
fprintf(out, "%s -%s %s %s %s%s\n", entry->filename,
parse_mode(entry->mode), entry->uid, entry->gid, base_dir,
&entry->path[1]);
} else if (entry->type == ENTRY_LINK) {
for (space = 0; space < entries[index].depth; space++) {
fprintf(out, " ");
}
/* hack skipping the first . in the path */
fprintf(out, "%s s--%s 0 0 %s\n", entry->filename, entry->mode,
fprintf(out, "%s s%s 0 0 %s\n", entry->filename, parse_mode(entry->mode),
entry->link);
} else {
/* missing "b" and "c" for block and char device? */