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Patches from Denis Vlasenko to rework "current_name" handling and remove

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print_current_name().
This commit is contained in:
Rob Landley 2006-04-29 20:08:40 +00:00
parent 8a6254994c
commit 3ea66a805d
1 changed files with 96 additions and 127 deletions
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219
util-linux/fsck_minix.c
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@ -219,14 +219,6 @@ static int version2;
static struct termios termios; static struct termios termios;
static int termios_set; static int termios_set;
/* File-name data */
enum { MAX_DEPTH = 32 };
static int name_depth;
// static char name_list[MAX_DEPTH][BUFSIZ + 1];
static char **name_list;
static char *inode_buffer;
#define Inode (((struct minix_inode *) inode_buffer)-1) #define Inode (((struct minix_inode *) inode_buffer)-1)
#define Inode2 (((struct minix2_inode *) inode_buffer)-1) #define Inode2 (((struct minix2_inode *) inode_buffer)-1)
static char super_block_buffer[BLOCK_SIZE]; static char super_block_buffer[BLOCK_SIZE];
@ -284,18 +276,55 @@ static void die(const char *str)
leave(8); leave(8);
} }
/* /* File-name data */
* This simply goes through the file-name data and prints out the enum { MAX_DEPTH = 32 };
* current file. static int name_depth;
*/ static char *current_name;
static void print_current_name(void) static char *name_component[MAX_DEPTH+1];
{
int i = 0;
while (i < name_depth) /* Wed Feb 9 15:17:06 MST 2000 */
printf("/%.*s", namelen, name_list[i++]); /* dynamically allocate name_list (instead of making it static) */
if (i == 0) static inline void alloc_current_name(void)
printf("/"); {
current_name = xmalloc(MAX_DEPTH * (BUFSIZ + 1));
current_name[0] = '/';
current_name[1] = '\0';
name_component[0] = &current_name[0];
}
#ifdef CONFIG_FEATURE_CLEAN_UP
/* execute this atexit() to deallocate name_list[] */
/* piptigger was here */
static inline void free_current_name(void)
{
free(current_name);
}
#endif
static void push_filename(const char *name)
{
// /dir/dir/dir/file
// ^ ^ ^
// [0] [1] [2] <-name_component[i]
if (name_depth < MAX_DEPTH) {
int len;
char *p = name_component[name_depth];
*p++ = '/';
len = sprintf(p, "%.*s", namelen, name);
name_component[name_depth + 1] = p + len;
}
name_depth++;
}
static void pop_filename(void) {
name_depth--;
if (name_depth < MAX_DEPTH) {
*name_component[name_depth] = '\0';
if (!name_depth) {
current_name[0] = '/';
current_name[1] = '\0';
}
}
} }
static int ask(const char *string, int def) static int ask(const char *string, int def)
@ -391,16 +420,16 @@ static void check_mount(void)
*/ */
static int check_zone_nr2(uint32_t *nr, int *corrected) static int check_zone_nr2(uint32_t *nr, int *corrected)
{ {
const char *msg;
if (!*nr) if (!*nr)
return 0; return 0;
if (*nr < FIRSTZONE) if (*nr < FIRSTZONE)
printf("Zone nr < FIRSTZONE in file `"); msg = "< FIRSTZONE";
else if (*nr >= ZONES) else if (*nr >= ZONES)
printf("Zone nr >= ZONES in file `"); msg = ">= ZONES";
else else
return *nr; return *nr;
print_current_name(); printf("Zone nr %s in file '%s'.", msg, current_name);
printf("'.");
if (ask("Remove block", 1)) { if (ask("Remove block", 1)) {
*nr = 0; *nr = 0;
*corrected = 1; *corrected = 1;
@ -426,15 +455,12 @@ static void read_block(unsigned int nr, char *addr)
return; return;
} }
if (BLOCK_SIZE * nr != lseek(IN, BLOCK_SIZE * nr, SEEK_SET)) { if (BLOCK_SIZE * nr != lseek(IN, BLOCK_SIZE * nr, SEEK_SET)) {
printf("Read error: unable to seek to block in file '"); printf("Read error: unable to seek to block in file '%s'\n",
print_current_name(); current_name);
printf("'\n");
errors_uncorrected = 1; errors_uncorrected = 1;
memset(addr, 0, BLOCK_SIZE); memset(addr, 0, BLOCK_SIZE);
} else if (BLOCK_SIZE != read(IN, addr, BLOCK_SIZE)) { } else if (BLOCK_SIZE != read(IN, addr, BLOCK_SIZE)) {
printf("Read error: bad block in file '"); printf("Read error: bad block in file '%s'\n", current_name);
print_current_name();
printf("'\n");
errors_uncorrected = 1; errors_uncorrected = 1;
memset(addr, 0, BLOCK_SIZE); memset(addr, 0, BLOCK_SIZE);
} }
@ -456,9 +482,7 @@ static void write_block(unsigned int nr, char *addr)
if (BLOCK_SIZE * nr != lseek(IN, BLOCK_SIZE * nr, SEEK_SET)) if (BLOCK_SIZE * nr != lseek(IN, BLOCK_SIZE * nr, SEEK_SET))
die("seek failed in write_block"); die("seek failed in write_block");
if (BLOCK_SIZE != write(IN, addr, BLOCK_SIZE)) { if (BLOCK_SIZE != write(IN, addr, BLOCK_SIZE)) {
printf("Write error: bad block in file '"); printf("Write error: bad block in file '%s'\n", current_name);
print_current_name();
printf("'\n");
errors_uncorrected = 1; errors_uncorrected = 1;
} }
} }
@ -621,9 +645,11 @@ static void read_superblock(void)
die("seek failed"); die("seek failed");
if (BLOCK_SIZE != read(IN, super_block_buffer, BLOCK_SIZE)) if (BLOCK_SIZE != read(IN, super_block_buffer, BLOCK_SIZE))
die("unable to read super block"); die("unable to read super block");
/* already initialized to:
namelen = 14; namelen = 14;
dirsize = 16; dirsize = 16;
version2 = 0; version2 = 0;
*/
if (MAGIC == MINIX_SUPER_MAGIC) { if (MAGIC == MINIX_SUPER_MAGIC) {
} else if (MAGIC == MINIX_SUPER_MAGIC2) { } else if (MAGIC == MINIX_SUPER_MAGIC2) {
namelen = 30; namelen = 30;
@ -694,9 +720,8 @@ static struct minix_inode *get_inode(unsigned int nr)
inode = Inode + nr; inode = Inode + nr;
if (!inode_count[nr]) { if (!inode_count[nr]) {
if (!inode_in_use(nr)) { if (!inode_in_use(nr)) {
printf("Inode %d marked not used, but used for file '", nr); printf("Inode %d marked not used, but used for file "
print_current_name(); "'%s'\n", nr, current_name);
printf("'\n");
if (repair) { if (repair) {
if (ask("Mark in use", 1)) if (ask("Mark in use", 1))
mark_inode(nr); mark_inode(nr);
@ -717,8 +742,7 @@ static struct minix_inode *get_inode(unsigned int nr)
else if (S_ISSOCK(inode->i_mode)); else if (S_ISSOCK(inode->i_mode));
else if (S_ISFIFO(inode->i_mode)); else if (S_ISFIFO(inode->i_mode));
else { else {
print_current_name(); printf("%s has mode %05o\n", current_name, inode->i_mode);
printf(" has mode %05o\n", inode->i_mode);
} }
} else } else
@ -742,9 +766,8 @@ static struct minix2_inode *get_inode2(unsigned int nr)
inode = Inode2 + nr; inode = Inode2 + nr;
if (!inode_count[nr]) { if (!inode_count[nr]) {
if (!inode_in_use(nr)) { if (!inode_in_use(nr)) {
printf("Inode %d marked not used, but used for file '", nr); printf("Inode %d marked not used, but used for file "
print_current_name(); "'%s'\n", nr, current_name);
printf("'\n");
if (repair) { if (repair) {
if (ask("Mark in use", 1)) if (ask("Mark in use", 1))
mark_inode(nr); mark_inode(nr);
@ -765,8 +788,7 @@ static struct minix2_inode *get_inode2(unsigned int nr)
else if (S_ISSOCK(inode->i_mode)); else if (S_ISSOCK(inode->i_mode));
else if (S_ISFIFO(inode->i_mode)); else if (S_ISFIFO(inode->i_mode));
else { else {
print_current_name(); printf("%s has mode %05o\n", current_name, inode->i_mode);
printf(" has mode %05o\n", inode->i_mode);
} }
} else } else
links++; links++;
@ -807,9 +829,8 @@ static int add_zone(uint16_t *znr, int *corrected)
if (!block) if (!block)
return 0; return 0;
if (zone_count[block]) { if (zone_count[block]) {
printf("Block has been used before. Now in file `"); printf("Block has been used before. Now in file '%s'.",
print_current_name(); current_name);
printf("'.");
if (ask("Clear", 1)) { if (ask("Clear", 1)) {
*znr = 0; *znr = 0;
block = 0; block = 0;
@ -818,9 +839,8 @@ static int add_zone(uint16_t *znr, int *corrected)
} }
} }
if (!zone_in_use(block)) { if (!zone_in_use(block)) {
printf("Block %d in file `", block); printf("Block %d in file '%s' is marked not in use.",
print_current_name(); block, current_name);
printf("' is marked not in use.");
if (ask("Correct", 1)) if (ask("Correct", 1))
mark_zone(block); mark_zone(block);
} }
@ -840,9 +860,8 @@ static int add_zone2(uint32_t *znr, int *corrected)
if (!block) if (!block)
return 0; return 0;
if (zone_count[block]) { if (zone_count[block]) {
printf("Block has been used before. Now in file `"); printf("Block has been used before. Now in file '%s'.",
print_current_name(); current_name);
printf("'.");
if (ask("Clear", 1)) { if (ask("Clear", 1)) {
*znr = 0; *znr = 0;
block = 0; block = 0;
@ -851,9 +870,8 @@ static int add_zone2(uint32_t *znr, int *corrected)
} }
} }
if (!zone_in_use(block)) { if (!zone_in_use(block)) {
printf("Block %d in file `", block); printf("Block %d in file '%s' is marked not in use.",
print_current_name(); block, current_name);
printf("' is marked not in use.");
if (ask("Correct", 1)) if (ask("Correct", 1))
mark_zone(block); mark_zone(block);
} }
@ -998,54 +1016,43 @@ static void check_file(struct minix_inode *dir, unsigned int offset)
name = blk + (offset % BLOCK_SIZE) + 2; name = blk + (offset % BLOCK_SIZE) + 2;
ino = *(uint16_t *) (name - 2); ino = *(uint16_t *) (name - 2);
if (ino > INODES) { if (ino > INODES) {
print_current_name(); printf("%s contains a bad inode number for file '%.*s'.",
printf(" contains a bad inode number for file '"); current_name, namelen, name);
printf("%.*s'.", namelen, name);
if (ask(" Remove", 1)) { if (ask(" Remove", 1)) {
*(uint16_t *) (name - 2) = 0; *(uint16_t *) (name - 2) = 0;
write_block(block, blk); write_block(block, blk);
} }
ino = 0; ino = 0;
} }
if (name_depth < MAX_DEPTH) push_filename(name);
strncpy(name_list[name_depth], name, namelen);
name_depth++;
inode = get_inode(ino); inode = get_inode(ino);
name_depth--; pop_filename();
if (!offset) { if (!offset) {
if (!inode || strcmp(".", name)) { if (!inode || strcmp(".", name)) {
print_current_name(); printf("%s: bad directory: '.' isn't first\n", current_name);
printf(": bad directory: '.' isn't first\n");
errors_uncorrected = 1; errors_uncorrected = 1;
} else } else
return; return;
} }
if (offset == dirsize) { if (offset == dirsize) {
if (!inode || strcmp("..", name)) { if (!inode || strcmp("..", name)) {
print_current_name(); printf("%s: bad directory: '..' isn't second\n", current_name);
printf(": bad directory: '..' isn't second\n");
errors_uncorrected = 1; errors_uncorrected = 1;
} else } else
return; return;
} }
if (!inode) if (!inode)
return; return;
if (name_depth < MAX_DEPTH) push_filename(name);
strncpy(name_list[name_depth], name, namelen);
name_depth++;
if (list) { if (list) {
if (verbose) if (verbose)
printf("%6d %07o %3d ", ino, inode->i_mode, inode->i_nlinks); printf("%6d %07o %3d ", ino, inode->i_mode, inode->i_nlinks);
print_current_name(); printf("%s%s\n", current_name, S_ISDIR(inode->i_mode) ? ":" : "");
if (S_ISDIR(inode->i_mode))
printf(":\n");
else
printf("\n");
} }
check_zones(ino); check_zones(ino);
if (inode && S_ISDIR(inode->i_mode)) if (inode && S_ISDIR(inode->i_mode))
recursive_check(ino); recursive_check(ino);
name_depth--; pop_filename();
return; return;
} }
@ -1063,52 +1070,43 @@ static void check_file2(struct minix2_inode *dir, unsigned int offset)
name = blk + (offset % BLOCK_SIZE) + 2; name = blk + (offset % BLOCK_SIZE) + 2;
ino = *(uint16_t *) (name - 2); ino = *(uint16_t *) (name - 2);
if (ino > INODES) { if (ino > INODES) {
print_current_name(); printf("%s contains a bad inode number for file '%.*s'.",
printf(" contains a bad inode number for file '"); current_name, namelen, name);
printf("%.*s'.", namelen, name);
if (ask(" Remove", 1)) { if (ask(" Remove", 1)) {
*(uint16_t *) (name - 2) = 0; *(uint16_t *) (name - 2) = 0;
write_block(block, blk); write_block(block, blk);
} }
ino = 0; ino = 0;
} }
if (name_depth < MAX_DEPTH) push_filename(name);
strncpy(name_list[name_depth], name, namelen);
name_depth++;
inode = get_inode2(ino); inode = get_inode2(ino);
name_depth--; pop_filename();
if (!offset) { if (!offset) {
if (!inode || strcmp(".", name)) { if (!inode || strcmp(".", name)) {
print_current_name(); printf("%s: bad directory: '.' isn't first\n", current_name);
printf(": bad directory: '.' isn't first\n");
errors_uncorrected = 1; errors_uncorrected = 1;
} else } else
return; return;
} }
if (offset == dirsize) { if (offset == dirsize) {
if (!inode || strcmp("..", name)) { if (!inode || strcmp("..", name)) {
print_current_name(); printf("%s: bad directory: '..' isn't second\n", current_name);
printf(": bad directory: '..' isn't second\n");
errors_uncorrected = 1; errors_uncorrected = 1;
} else } else
return; return;
} }
if (!inode) if (!inode)
return; return;
name_depth++; push_filename(name);
if (list) { if (list) {
if (verbose) if (verbose)
printf("%6d %07o %3d ", ino, inode->i_mode, inode->i_nlinks); printf("%6d %07o %3d ", ino, inode->i_mode, inode->i_nlinks);
print_current_name(); printf("%s%s\n", current_name, S_ISDIR(inode->i_mode) ? ":" : "");
if (S_ISDIR(inode->i_mode))
printf(":\n");
else
printf("\n");
} }
check_zones2(ino); check_zones2(ino);
if (inode && S_ISDIR(inode->i_mode)) if (inode && S_ISDIR(inode->i_mode))
recursive_check2(ino); recursive_check2(ino);
name_depth--; pop_filename();
return; return;
} }
#endif #endif
@ -1122,8 +1120,7 @@ static void recursive_check(unsigned int ino)
if (!S_ISDIR(dir->i_mode)) if (!S_ISDIR(dir->i_mode))
die("internal error"); die("internal error");
if (dir->i_size < 2 * dirsize) { if (dir->i_size < 2 * dirsize) {
print_current_name(); printf("%s: bad directory: size<32", current_name);
printf(": bad directory: size<32");
errors_uncorrected = 1; errors_uncorrected = 1;
} }
for (offset = 0; offset < dir->i_size; offset += dirsize) for (offset = 0; offset < dir->i_size; offset += dirsize)
@ -1140,8 +1137,7 @@ static void recursive_check2(unsigned int ino)
if (!S_ISDIR(dir->i_mode)) if (!S_ISDIR(dir->i_mode))
die("internal error"); die("internal error");
if (dir->i_size < 2 * dirsize) { if (dir->i_size < 2 * dirsize) {
print_current_name(); printf("%s: bad directory: size<32", current_name);
printf(": bad directory: size < 32");
errors_uncorrected = 1; errors_uncorrected = 1;
} }
for (offset = 0; offset < dir->i_size; offset += dirsize) for (offset = 0; offset < dir->i_size; offset += dirsize)
@ -1281,43 +1277,16 @@ static void check2(void)
} }
#endif #endif
/* Wed Feb 9 15:17:06 MST 2000 */
/* dynamically allocate name_list (instead of making it static) */
static void alloc_name_list(void)
{
int i;
name_list = xmalloc(sizeof(char *) * MAX_DEPTH);
for (i = 0; i < MAX_DEPTH; i++)
name_list[i] = xmalloc(sizeof(char) * (BUFSIZ + 1));
}
#ifdef CONFIG_FEATURE_CLEAN_UP
/* execute this atexit() to deallocate name_list[] */
/* piptigger was here */
static void free_name_list(void)
{
int i;
if (name_list) {
for (i = 0; i < MAX_DEPTH; i++) {
free(name_list[i]);
}
free(name_list);
}
}
#endif
int fsck_minix_main(int argc, char **argv) int fsck_minix_main(int argc, char **argv)
{ {
struct termios tmp; struct termios tmp;
int retcode = 0; int retcode = 0;
alloc_name_list(); alloc_current_name();
#ifdef CONFIG_FEATURE_CLEAN_UP #ifdef CONFIG_FEATURE_CLEAN_UP
/* Don't bother to free memory. Exit does /* Don't bother to free memory. Exit does
* that automagically, so we can save a few bytes */ * that automagically, so we can save a few bytes */
atexit(free_name_list); atexit(free_current_name);
#endif #endif
if (INODE_SIZE * MINIX_INODES_PER_BLOCK != BLOCK_SIZE) if (INODE_SIZE * MINIX_INODES_PER_BLOCK != BLOCK_SIZE)