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Diffstat (limited to 'mdk-stage1/mar/mar-frontend.c')
| -rw-r--r-- | mdk-stage1/mar/mar-frontend.c | 304 |
1 files changed, 0 insertions, 304 deletions
diff --git a/mdk-stage1/mar/mar-frontend.c b/mdk-stage1/mar/mar-frontend.c deleted file mode 100644 index 0b5371d47..000000000 --- a/mdk-stage1/mar/mar-frontend.c +++ /dev/null @@ -1,304 +0,0 @@ -/* - * Guillaume Cottenceau (gc@mandrakesoft.com) - * - * Copyright 2000 MandrakeSoft - * - * This software may be freely redistributed under the terms of the GNU - * public license. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -/* - * mar - The Mandrake Archiver - * - * An archiver that supports compression (through zlib). - * - */ - -/* - * This code includes the extracting and creating features. - * - */ - -#include "mar.h" -#include "mar-extract-only.h" - -void list_files(mar_stream *s) -{ - mar_element * elem = s->first_element; - printf("%-20s%8s\n", "FILENAME", "LENGTH"); - while (elem != NULL) - { - printf("%-20s%8d\n", elem->filename, elem->file_length); - elem = elem->next_element; - } -} - - -int file_size(char *filename) -{ - FILE * f = fopen(filename, "rb"); - int size; - DEBUG_MAR(printf("D: mar::file_size filename %s\n", filename);); - if (f == NULL) - { - perror(filename); - return -1; - } - if (fseek(f, 0L, SEEK_END) == -1) - { - perror(filename); - return -1; - } - size = ftell(f); - if (size == -1) - { - perror(filename); - return -1; - } - if (fclose(f) != 0) - { - perror(filename); - return -1; - } - return size; -} - - -/* Yes I don't use the datastructure I directly write the final fileformat in memory then write down it. - * Yes it's bad. - */ -/* ``files'' is a NULL-terminated array of char* */ - -int create_marfile(char *dest_file, char **files) -{ - int filenum = 0; - int current_offset_filetable; - int current_offset_rawdata; - char * temp_marfile_buffer; - int total_length; - - /* calculate offset of ``raw_files_data'' */ - current_offset_rawdata = sizeof(int) + sizeof(char); /* crc32, ``char 0'' */ - while (files[filenum] != NULL) - { - current_offset_rawdata += 2*sizeof(int) /* file_length, data_offset */ + strlen(files[filenum]) + 1; - filenum++; - } - DEBUG_MAR(printf("D: mar::create_marfile number-of-files %d offset-data-start %d\n", filenum, current_offset_rawdata);); - - /* calculate length of final uncompressed marfile, for malloc */ - total_length = current_offset_rawdata; /* first part of the marfile: the crc plus filetable */ - filenum = 0; - while (files[filenum] != NULL) - { - int fsiz = file_size(files[filenum]); - if (fsiz == -1) - return -1; - total_length += fsiz; - filenum++; - } - temp_marfile_buffer = (void *) malloc(total_length); /* create the whole file in-memory */ - DEBUG_MAR(printf("D: mar::create_marfile total-length %d\n", total_length);); - - current_offset_filetable = sizeof(int); /* first file is after the crc */ - filenum = 0; - while (files[filenum] != NULL) - { - FILE * f = fopen(files[filenum], "rb"); - int fsize; - if (f == NULL) - { - perror(files[filenum]); - return -1; - } - - /* filename */ - strcpy(&(temp_marfile_buffer[current_offset_filetable]), files[filenum]); - current_offset_filetable += strlen(files[filenum]) + 1; - - /* file_length */ - fsize = file_size(files[filenum]); - if (fsize == -1) return -1; - memcpy(&temp_marfile_buffer[current_offset_filetable], &fsize, sizeof(int)); - current_offset_filetable += sizeof(int); - - /* data_offset */ - memcpy(&temp_marfile_buffer[current_offset_filetable], ¤t_offset_rawdata, sizeof(int)); - current_offset_filetable += sizeof(int); - - /* data_raw_data */ - if (fread(&temp_marfile_buffer[current_offset_rawdata], 1, fsize, f) != fsize) - { - perror(files[filenum]); - return -1; - } - fclose(f); - - current_offset_rawdata += fsize; - - filenum++; - } - - /* calculate crc with all the data we now got */ - { - int current_crc = 0; - int i; - for (i=sizeof(int); i<total_length ; i++) - current_crc += temp_marfile_buffer[i]; - memcpy(&temp_marfile_buffer[0], ¤t_crc, sizeof(int)); - DEBUG_MAR(printf("D: mar::create_marfile computed-crc %d\n", current_crc);); - } - - /* ok, buffer is ready, let's write it on-disk */ - { - gzFile f = gzopen(dest_file, "wb"); - if (f == NULL) - { - perror(dest_file); - return -1; - } - if (gzwrite(f, temp_marfile_buffer, total_length) != total_length) - { - fprintf(stderr, gzerror(f, &gz_errnum)); - return -1; - } - gz_errnum = gzclose(f); - } - -// /* uncompressed write -// -// int fd = creat(dest_file, 00660); -// if (fd == -1) -// { -// perror("E: mar::create_marfile::creat"); -// return -1; -// } -// if (write(fd, temp_marfile_buffer, total_length) != total_length) -// { -// perror("E: mar::create_marfile::write"); -// return -1; -// } -// if (close(fd) != 0) -// { -// perror("E: mar::create_marfile::close"); -// return -1; -// } -// */ - - return 0; -} - - -void print_usage(char *progname) -{ - printf("Usage: %s [-lxc] [files..]\n", progname); - exit(0); -} - -int main(int argc, char **argv) -{ - if (argc <= 2) - print_usage(argv[0]); - - if (argc >= 3) - { - if (strcmp(argv[1], "-l") == 0) - { - mar_stream *s = open_marfile(argv[2]); - if (s == NULL) - exit(-1); - list_files(s); - if (s->crc32 == calc_integrity(s)) - printf("CRC OK\n"); - else - printf("CRC FAILED!\n"); - exit(0); - } - if ((strcmp(argv[1], "-x") == 0) && argc >= 4) - { - mar_stream *s = open_marfile(argv[2]); - int i = 3; - if (s == NULL) - exit(-1); - while (i < argc) - { - int res = extract_file(s, argv[i], "./"); - if (res == 1) - fprintf(stderr, "W: file-not-found-in-archive %s\n", argv[i]); - if (res == -1) - exit(-1); - i++; - } - exit(0); - } - if ((strcmp(argv[1], "-c") == 0) && argc >= 4) - { - char **files = (char **) malloc(((argc-3)+1) * sizeof(char *)); - int i = 3; - while (i < argc) - { - files[i-3] = strdup(argv[i]); - i++; - } - files[argc-3] = NULL; - exit(create_marfile(argv[2], files)); - } - } - - return 0; -} - /* mar_stream *s; - int res; - char *files[4]; - - char * file1 = "Makefile"; - char * file2 = "mar.c"; - char * file3 = "mar.h"; - - files[0] = file1; - files[1] = file2; - files[2] = file3; - files[3] = NULL; - - create_marfile("test.mar", files); - - - s = open_marfile("test.mar"); - - if (s == NULL) - exit(-1); - - res = extract_file(s, "Makefile", "t/"); - printf("return-code %d\n", res); - - exit(0); -} - char plop[20]; - int i,j; - bzero(plop, 20); - j = 4096; - memcpy(&plop[2], &j, sizeof(j)); - for (i=0; i<20; i++) printf("offset %d, contains char %d\n", i, plop[i]); - exit(-1); - - s.first_element = &e1; -// s.crc32 = calc_integrity(&s); - - e1.filename = "bonjour"; - e1.file_length = 4; - e1.next_element = &e2; - e2.filename = "deuz"; - e2.file_length = 54; - e2.next_element = NULL; - - list_files(&s); -// if (verify_integrity(&s)) { printf("CRC OK\n"); } else { printf("CRC FAILS!\n"); } - return 0; -} - -*/ |