diff options
Diffstat (limited to 'archival/libunarchive/get_header_tar.c')
| -rw-r--r-- | archival/libunarchive/get_header_tar.c | 98 |
1 files changed, 49 insertions, 49 deletions
diff --git a/archival/libunarchive/get_header_tar.c b/archival/libunarchive/get_header_tar.c index 668fa5a..1ba37d6 100644 --- a/archival/libunarchive/get_header_tar.c +++ b/archival/libunarchive/get_header_tar.c @@ -20,24 +20,24 @@ #include "unarchive.h" #include "libbb.h" -file_header_t *get_header_tar(FILE *tar_stream) +file_header_t *get_header_tar(FILE * tar_stream) { union { unsigned char raw[512]; struct { - char name[100]; /* 0-99 */ - char mode[8]; /* 100-107 */ - char uid[8]; /* 108-115 */ - char gid[8]; /* 116-123 */ - char size[12]; /* 124-135 */ - char mtime[12]; /* 136-147 */ - char chksum[8]; /* 148-155 */ - char typeflag; /* 156-156 */ + char name[100]; /* 0-99 */ + char mode[8]; /* 100-107 */ + char uid[8]; /* 108-115 */ + char gid[8]; /* 116-123 */ + char size[12]; /* 124-135 */ + char mtime[12]; /* 136-147 */ + char chksum[8]; /* 148-155 */ + char typeflag; /* 156-156 */ char linkname[100]; /* 157-256 */ - char magic[6]; /* 257-262 */ + char magic[6]; /* 257-262 */ char version[2]; /* 263-264 */ - char uname[32]; /* 265-296 */ - char gname[32]; /* 297-328 */ + char uname[32]; /* 265-296 */ + char gname[32]; /* 297-328 */ char devmajor[8]; /* 329-336 */ char devminor[8]; /* 337-344 */ char prefix[155]; /* 345-499 */ @@ -55,8 +55,7 @@ file_header_t *get_header_tar(FILE *tar_stream) if (fread(tar.raw, 1, 512, tar_stream) != 512) { /* Unfortunatly its common for tar files to have all sorts of * trailing garbage, fail silently */ -// error_msg("Couldnt read header"); - return(NULL); + return (NULL); } archive_offset += 512; @@ -67,25 +66,25 @@ file_header_t *get_header_tar(FILE *tar_stream) #ifdef CONFIG_FEATURE_TAR_OLD_FORMAT if (strncmp(tar.formated.magic, "\0\0\0\0\0", 5) != 0) #endif - return(NULL); + return (NULL); } /* If there is no filename its an empty header, skip it */ if (tar.formated.name[0] == 0) { - return(NULL); + return (NULL); } /* Do checksum on headers */ - for (i = 0; i < 148 ; i++) { + for (i = 0; i < 148; i++) { sum += tar.raw[i]; } sum += ' ' * 8; - for (i = 156; i < 512 ; i++) { + for (i = 156; i < 512; i++) { sum += tar.raw[i]; } if (sum != strtol(tar.formated.chksum, NULL, 8)) { error_msg("Invalid tar header checksum"); - return(NULL); + return (NULL); } /* convert to type'ed variables */ @@ -93,44 +92,45 @@ file_header_t *get_header_tar(FILE *tar_stream) if (tar.formated.prefix[0] == 0) { tar_entry->name = xstrdup(tar.formated.name); } else { - tar_entry->name = concat_path_file(tar.formated.prefix, tar.formated.name); + tar_entry->name = + concat_path_file(tar.formated.prefix, tar.formated.name); } tar_entry->mode = strtol(tar.formated.mode, NULL, 8); #ifdef CONFIG_FEATURE_TAR_OLD_FORMAT switch (tar.formated.typeflag) { - case 0: - tar_entry->mode |= S_IFREG; - break; - case 1: - error_msg("internal hard link not handled\n"); - break; - case 2: - tar_entry->mode |= S_IFLNK; - break; - case 3: - tar_entry->mode |= S_IFCHR; - break; - case 4: - tar_entry->mode |= S_IFBLK; - break; - case 5: - tar_entry->mode |= S_IFDIR; - break; - case 6: - tar_entry->mode |= S_IFIFO; - break; + case 0: + tar_entry->mode |= S_IFREG; + break; + case 1: + error_msg("internal hard link not handled\n"); + break; + case 2: + tar_entry->mode |= S_IFLNK; + break; + case 3: + tar_entry->mode |= S_IFCHR; + break; + case 4: + tar_entry->mode |= S_IFBLK; + break; + case 5: + tar_entry->mode |= S_IFDIR; + break; + case 6: + tar_entry->mode |= S_IFIFO; + break; } #endif - tar_entry->uid = strtol(tar.formated.uid, NULL, 8); - tar_entry->gid = strtol(tar.formated.gid, NULL, 8); - tar_entry->size = strtol(tar.formated.size, NULL, 8); + tar_entry->uid = strtol(tar.formated.uid, NULL, 8); + tar_entry->gid = strtol(tar.formated.gid, NULL, 8); + tar_entry->size = strtol(tar.formated.size, NULL, 8); tar_entry->mtime = strtol(tar.formated.mtime, NULL, 8); - tar_entry->link_name = strlen(tar.formated.linkname) ? - xstrdup(tar.formated.linkname) : NULL; - tar_entry->device = (strtol(tar.formated.devmajor, NULL, 8) << 8) + + tar_entry->link_name = + strlen(tar.formated.linkname) ? xstrdup(tar.formated.linkname) : NULL; + tar_entry->device = + (strtol(tar.formated.devmajor, NULL, 8) << 8) + strtol(tar.formated.devminor, NULL, 8); - return(tar_entry); + return (tar_entry); } - |