--- squashfs-tools/mksquashfs.c 2007-01-16 09:24:40.000000000 +0100
+++ squashfs-tools-vito/mksquashfs.c 2007-01-17 08:34:17.000000000 +0100
@@ -44,6 +44,7 @@
#include <sys/mman.h>
#include <pthread.h>
#include <math.h>
+#include <regex.h>
#ifndef linux
#define __BYTE_ORDER BYTE_ORDER
@@ -162,15 +163,19 @@
struct file_info *dupl[65536];
int dup_files = 0;
-/* list of exclude dirs/files */
-struct exclude_info {
+/* list of include/exclude files/regexes */
+struct filter_info {
dev_t st_dev;
ino_t st_ino;
+ regex_t *preg;
+ int action;
};
-#define EXCLUDE_SIZE 8192
-int exclude = 0;
-struct exclude_info *exclude_paths = NULL;
+#define EXCLUDE 0
+#define INCLUDE 1
+#define FILTER_SIZE 8192
+int filter_count = 0;
+struct filter_info *filters = NULL;
int excluded(char *filename, struct stat *buf);
/* fragment block data structures */
@@ -2606,20 +2611,32 @@
{
int i;
- for(i = 0; i < exclude; i++)
- if((exclude_paths[i].st_dev == buf->st_dev) && (exclude_paths[i].st_ino == buf->st_ino))
- return TRUE;
+ for(i = 0; i < filter_count; i++) {
+ struct filter_info f = filters[i];
+
+ if(f.preg == NULL) {
+ if((f.st_dev == buf->st_dev) && (f.st_ino == buf->st_ino))
+ return TRUE;
+ } else if(regexec(f.preg, filename, (size_t)0, NULL, 0) == 0)
+ if(f.action == EXCLUDE)
+ return TRUE;
+ else
+ return FALSE;
+ }
+
return FALSE;
}
-#define ADD_ENTRY(buf) \
- if(exclude % EXCLUDE_SIZE == 0) {\
- if((exclude_paths = (struct exclude_info *) realloc(exclude_paths, (exclude + EXCLUDE_SIZE) * sizeof(struct exclude_info))) == NULL)\
- BAD_ERROR("Out of memory in exclude dir/file table\n");\
+#define ADD_ENTRY(b, a, p) \
+ if(filter_count % FILTER_SIZE == 0) {\
+ if((filters = (struct filter_info *) realloc(filters, (filter_count + FILTER_SIZE) * sizeof(struct filter_info))) == NULL)\
+ BAD_ERROR("Out of memory in the include/exclude file/regex table\n");\
}\
- exclude_paths[exclude].st_dev = buf.st_dev;\
- exclude_paths[exclude++].st_ino = buf.st_ino;
+ filters[filter_count].action = a;\
+ filters[filter_count].preg = p;\
+ filters[filter_count].st_dev = b.st_dev;\
+ filters[filter_count++].st_ino = b.st_ino;
int add_exclude(char *path)
{
int i;
@@ -2632,7 +2649,7 @@
perror(buffer);
return TRUE;
}
- ADD_ENTRY(buf);
+ ADD_ENTRY(buf, EXCLUDE, NULL);
return TRUE;
}
@@ -2645,11 +2662,47 @@
}
continue;
}
- ADD_ENTRY(buf);
+ ADD_ENTRY(buf, EXCLUDE, NULL);
}
return TRUE;
}
+void add_pattern(char *pattern)
+{
+ struct stat dummy;
+ int action = -1;
+
+ if(pattern[0] == '#')
+ return;
+
+ if(strlen(pattern) < 3)
+ goto bad_pattern;
+
+ if(strncmp(pattern, "+ ", 2) == 0)
+ action = INCLUDE;
+
+ if(strncmp(pattern, "- ", 2) == 0)
+ action = EXCLUDE;
+
+ if(action != -1) {
+ regex_t *preg = (regex_t*)malloc(sizeof(regex_t));
+ char message[1024];
+ int error = regcomp(preg, pattern+2, REG_EXTENDED|REG_NOSUB);
+ regerror(error, preg, message, 1024);
+
+ if(error) {
+ fprintf(stderr, "Ignoring invalid regex \"%s\" (%s)\n", pattern+2, message);
+ return;
+ }
+
+ ADD_ENTRY(dummy, action, preg);
+ return;
+ }
+
+bad_pattern:
+ fprintf(stderr, "Ignoring wrong filter pattern \"%s\"\n", pattern);
+}
+
void add_old_root_entry(char *name, squashfs_inode inode, int inode_number, int type)
{
@@ -2849,6 +2902,11 @@
ERROR("%s: -ef missing filename\n", argv[0]);
exit(1);
}
+ } else if(strcmp(argv[i], "-ff") == 0) {
+ if(++i == argc) {
+ ERROR("%s: -ff missing filename\n", argv[0]);
+ exit(1);
+ }
} else if(strcmp(argv[i], "-no-duplicates") == 0)
duplicate_checking = FALSE;
@@ -2991,6 +3049,10 @@
ERROR("\t\t\tfile or dir with priority per line. Priority -32768 to\n");
ERROR("\t\t\t32767, default priority 0\n");
ERROR("-ef <exclude_file>\tlist of exclude dirs/files. One per line\n");
+ ERROR("-ff <filter_file>\tlist of include/exclude patterns. One per line.\n");
+ ERROR("\t\t\tThe first pattern that matches a dir/file is applied.\n");
+ ERROR("\t\t\tExclude patterns are written '+ regex', include patterns\n");
+ ERROR("\t\t\tare written '- regex'. Comments start with #\n");
exit(1);
}
}
@@ -3048,7 +3110,7 @@
signal(SIGINT, sighandler2);
}
- /* process the exclude files - must be done afer destination file has been possibly created */
+ /* process the include/exclude files/patterns - must be done afer destination file has been possibly created */
for(i = source + 2; i < argc; i++)
if(strcmp(argv[i], "-ef") == 0) {
FILE *fd;
@@ -3060,6 +3122,16 @@
while(fscanf(fd, "%16384[^\n]\n", filename) != EOF)
add_exclude(filename);
fclose(fd);
+ } else if(strcmp(argv[i], "-ff") == 0) {
+ FILE *fd;
+ char pattern[16385];
+ if((fd = fopen(argv[++i], "r")) == NULL) {
+ perror("Could not open filter file...");
+ EXIT_MKSQUASHFS();
+ }
+ while(fscanf(fd, "%16384[^\n]\n", pattern) != EOF)
+ add_pattern(pattern);
+ fclose(fd);
} else if(strcmp(argv[i], "-e") == 0)
break;
else if(strcmp(argv[i], "-b") == 0 || strcmp(argv[i], "-root-becomes") == 0 || strcmp(argv[i], "-sort") == 0)
@@ -3073,14 +3145,14 @@
while(i < argc && add_exclude(argv[i++]));
}
- /* process the sort files - must be done afer the exclude files */
+ /* process the sort files - must be done afer processing the include/exclude files/patterns */
for(i = source + 2; i < argc; i++)
if(strcmp(argv[i], "-sort") == 0) {
read_sort_file(argv[++i], source, source_path);
sorted ++;
} else if(strcmp(argv[i], "-e") == 0)
break;
- else if(strcmp(argv[i], "-b") == 0 || strcmp(argv[i], "-root-becomes") == 0 || strcmp(argv[i], "-ef") == 0)
+ else if(strcmp(argv[i], "-b") == 0 || strcmp(argv[i], "-root-becomes") == 0 || strcmp(argv[i], "-ef") == 0 || strcmp(argv[i], "-ff") == 0)
i++;
initialise_threads();