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Diffstat (limited to 'libbb/untar.c')
-rw-r--r--libbb/untar.c31
1 files changed, 15 insertions, 16 deletions
diff --git a/libbb/untar.c b/libbb/untar.c
index 11c55df..d3e424e 100644
--- a/libbb/untar.c
+++ b/libbb/untar.c
@@ -57,6 +57,7 @@ extern int untar(FILE *src_tar_file, int untar_function, char *base_path)
char *dir = NULL;
if (ferror(src_tar_file) || feof(src_tar_file)) {
+ perror_msg("untar: ");
break;
}
@@ -100,7 +101,6 @@ extern int untar(FILE *src_tar_file, int untar_function, char *base_path)
if (size % 512 != 0) {
next_header_offset += (512 - size % 512);
}
-
/*
* seek to start of control file, return length
*
@@ -139,25 +139,24 @@ extern int untar(FILE *src_tar_file, int untar_function, char *base_path)
* supposed to be a directory, and fall through
*/
if (raw_tar_header.name[strlen(raw_tar_header.name)-1] != '/') {
- switch (untar_function) {
- case (extract_extract): {
- FILE *dst_file = wfopen(dir, "w");
- copy_file_chunk(src_tar_file, dst_file, size);
- fclose(dst_file);
- }
+ if (untar_function & (extract_extract | extract_verbose_extract | extract_control)) {
+ FILE *dst_file = wfopen(dir, "w");
+ copy_file_chunk(src_tar_file, dst_file, (unsigned long long) size);
+ uncompressed_count += size;
+ fclose(dst_file);
+ }
+ while (uncompressed_count < next_header_offset) {
+ if (fgetc(src_tar_file) == EOF) {
+ perror_msg("untar");
break;
- default: {
- int remaining = size;
- while (remaining-- > 0) {
- fgetc(src_tar_file);
- }
- }
+ }
+ uncompressed_count++;
}
uncompressed_count += size;
break;
}
case '5':
- if (untar_function & extract_extract) {
+ if (untar_function & (extract_extract | extract_verbose_extract | extract_control)) {
if (create_path(dir, mode) != TRUE) {
free(dir);
perror_msg("%s: Cannot mkdir", raw_tar_header.name);
@@ -166,7 +165,7 @@ extern int untar(FILE *src_tar_file, int untar_function, char *base_path)
}
break;
case '1':
- if (untar_function & extract_extract) {
+ if (untar_function & (extract_extract | extract_verbose_extract | extract_control)) {
if (link(raw_tar_header.linkname, raw_tar_header.name) < 0) {
free(dir);
perror_msg("%s: Cannot create hard link to '%s'", raw_tar_header.name, raw_tar_header.linkname);
@@ -175,7 +174,7 @@ extern int untar(FILE *src_tar_file, int untar_function, char *base_path)
}
break;
case '2':
- if (untar_function & extract_extract) {
+ if (untar_function & (extract_extract | extract_verbose_extract | extract_control)) {
if (symlink(raw_tar_header.linkname, raw_tar_header.name) < 0) {
free(dir);
perror_msg("%s: Cannot create symlink to '%s'", raw_tar_header.name, raw_tar_header.linkname);