diff options
Diffstat (limited to 'libbb/untar.c')
| -rw-r--r-- | libbb/untar.c | 31 |
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); |