FreeCalypso > hg > freecalypso-tools

annotate ffstools/tiffs-mkfs/input.c @ 913:1b8929cb7371

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
doc/Host-tools-overview: document fc-vm2gsmx
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 29 Dec 2022 21:36:37 +0000
parents 12ae93940467
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
705
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 #include <sys/types.h>
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 #include <sys/param.h>
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 #include <sys/stat.h>
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 #include <dirent.h>
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 #include <stdio.h>
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <stdint.h>
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <stdlib.h>
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <string.h>
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <strings.h>
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <unistd.h>
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include "struct.h"
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include "globals.h"
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 void
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 read_dir_level(dto, srcpath, depth)
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 struct tree_object *dto;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 char *srcpath;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 {
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 DIR *rdd;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 struct dirent *dirent;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 char hostpath_child[MAXPATHLEN];
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 struct stat hst;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 struct tree_object *cto;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 unsigned nchildren;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 dto->is_dir = 1;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 rdd = opendir(srcpath);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 if (!rdd) {
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 perror(srcpath);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 exit(1);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 }
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 nchildren = 0;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 while (dirent = readdir(rdd)) {
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 if (dirent->d_name[0] == '.')
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 continue;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 if (strlen(dirent->d_name) > MAX_FN_COMPONENT) {
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 fprintf(stderr,
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 "error: \"%s\" in %s exceeds the FFS component name limit\n",
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 dirent->d_name, srcpath);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 exit(1);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 }
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 if (nchildren >= MAX_DIR_ENTRIES) {
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 fprintf(stderr, "error: %s has too many children\n",
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 srcpath);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 exit(1);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 }
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 cto = malloc(sizeof(struct tree_object));
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 if (!cto) {
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 perror("malloc of struct tree_object");
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 exit(1);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 }
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 strcpy(cto->name, dirent->d_name);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 dto->u.d.children[nchildren++] = cto;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 if (strlen(srcpath) + strlen(dirent->d_name) + 2 >
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 sizeof hostpath_child) {
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 fprintf(stderr,
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 "error: host side pathname buffer overflow\n");
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 exit(1);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 }
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 sprintf(hostpath_child, "%s/%s", srcpath, dirent->d_name);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 if (lstat(hostpath_child, &hst) < 0) {
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 perror(hostpath_child);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 exit(1);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 }
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 switch (hst.st_mode & S_IFMT) {
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 case S_IFREG:
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 cto->is_dir = 0;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 strcpy(cto->u.f.host_pathname, hostpath_child);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 break;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 case S_IFDIR:
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 if (depth >= MAX_DIR_NEST-1) {
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 fprintf(stderr,
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 "error: directory nesting too deep at %s\n",
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 hostpath_child);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 exit(1);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 }
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 read_dir_level(cto, hostpath_child, depth + 1);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 break;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 default:
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 fprintf(stderr,
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 "error: %s is neither a regular file nor a directory\n",
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 hostpath_child);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 exit(1);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 }
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 }
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 closedir(rdd);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 dto->u.d.nchildren = nchildren;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 }
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 static int
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 compare_func(p1, p2)
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 struct tree_object **p1, **p2;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 {
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 return strcmp((*p1)->name, (*p2)->name);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 }
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 void
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 sort_dir_level(dto)
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 struct tree_object *dto;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 {
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 unsigned n;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 struct tree_object *cto;
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 if (dto->u.d.nchildren > 1)
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105 qsort(dto->u.d.children, dto->u.d.nchildren,
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 sizeof(struct tree_object *), compare_func);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 for (n = 0; n < dto->u.d.nchildren; n++) {
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
108 cto = dto->u.d.children[n];
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 if (cto->is_dir)
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110 sort_dir_level(cto);
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111 }
12ae93940467 tiffs-mkfs program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 }