diff options
| -rw-r--r-- | Makefile | 5 | ||||
| -rw-r--r-- | cpio.c | 85 | ||||
| -rw-r--r-- | pax.c | 19 | ||||
| -rw-r--r-- | pax.h | 4 | ||||
| -rw-r--r-- | tar.c | 85 |
5 files changed, 197 insertions, 1 deletions
@@ -2,7 +2,12 @@ CFLAGS=-Wall -Wextra -Wpedantic +all: pax cpio tar + pax: pax.o tar.o cpio.o +tar cpio: pax + ln -sf pax $@ + clean: rm -f $$(cat .gitignore) @@ -24,10 +24,12 @@ #define _XOPEN_SOURCE 700 #include <cpio.h> +#include <locale.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/stat.h> +#include <unistd.h> #include "pax.h" @@ -112,3 +114,86 @@ int cpio_list(FILE *input, size_t firstlen, void *firstblock) return 0; } + +int cpio_main(int argc, char *argv[]) +{ + setlocale(LC_ALL, ""); + int c; + + while ((c = getopt(argc, argv, "oip")) != -1) { + switch (c) { + case 'o': + // create + break; + + case 'i': + // extract + break; + + case 'p': + // copy? + break; + + default: + return 1; + } + + break; + } + + for (size_t i = 2; argv[optind][i] != '\0'; i++) { + printf("checking %c\n", argv[optind][i]); + switch (argv[optind][i]) { + case 'a': + // reset atimes + break; + + case 'B': + // blocksize 5120 + break; + + case 'd': + // create directories + break; + + case 'c': + // read and write in character form for portability + break; + + case 'r': + // interactively rename files + break; + + case 't': + // list table of contents + break; + + case 'u': + // copy unconditionally + break; + + case 'v': + // verbose + break; + + case 'l': + // link instead of copy, requires -p + break; + + case 'm': + // reset mtime + break; + + case 'f': + // ignore files in pattern + break; + + default: + fprintf(stderr, "cpio: unknown option '%c'\n", + argv[optind][i]); + return 1; + } + } + + return 0; +} @@ -25,6 +25,7 @@ #define _XOPEN_SOURCE 700 #include <cpio.h> #include <errno.h> +#include <libgen.h> #include <locale.h> #include <inttypes.h> #include <stdio.h> @@ -82,7 +83,7 @@ int pax_list(FILE *input) return 1; } -int main(int argc, char *argv[]) +int pax_main(int argc, char *argv[]) { unsigned int flags = 0; //unsigned int blocksize = 0; @@ -200,6 +201,8 @@ int main(int argc, char *argv[]) if (mode == PAX_LIST) { return pax_list(stdin); } + + return 1; } void pax_list_file(struct stat *st, const char *name) @@ -267,3 +270,17 @@ uintmax_t pax_atoi(size_t n, const char _s[static n], int base) strncpy(s, _s, n); return strtoumax(s, NULL, base); } + +int main(int argc, char *argv[]) +{ + char *base = basename(argv[0]); + if (!strcmp(base, "tar")) { + return tar_main(argc, argv); + } + + if (!strcmp(base, "cpio")) { + return cpio_main(argc, argv); + } + + return pax_main(argc, argv); +} @@ -23,6 +23,7 @@ */ #include <stdint.h> +#include <sys/stat.h> #define TAR_HEADER_SIZE 512 @@ -70,4 +71,7 @@ int tar_list(FILE *input, size_t firstlen, void *firstblock); void pax_list_file(struct stat *st, const char *filename); uintmax_t pax_atoi(size_t n, const char s[static n], int base); +int tar_main(int argc, char *argv[]); +int cpio_main(int argc, char *argv[]); + extern const size_t cpio_header_size; @@ -23,11 +23,13 @@ */ #define _XOPEN_SOURCE 700 +#include <locale.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/stat.h> #include <tar.h> +#include <unistd.h> #include "pax.h" @@ -125,3 +127,86 @@ int tar_list(FILE *input, size_t firstlen, void *firstblock) } return 0; } + +int tar_main(int argc, char *argv[]) +{ + setlocale(LC_ALL, ""); + int c; + + while ((c = getopt(argc, argv, "")) != -1) { + return 1; + } + + if (optind >= argc) { + fprintf(stderr, "tar: missing operands\n"); + return 1; + } + + char buf[512]; + + switch (argv[optind][0]) { + case 'r': + // append + break; + + case 'x': + // extract + break; + + case 't': + fread(buf, 1, sizeof(buf), stdin); + return tar_list(stdin, 512, buf); + break; + + case 'u': + // update + break; + + case 'c': + // create + break; + + default: + fprintf(stderr, "tar: unknown function '%c'\n", + argv[optind][0]); + return 1; + } + + for (size_t i = 1; argv[optind][i] != '\0'; i++) { + switch(argv[optind][i]) { + case 'v': + // verbose + break; + + case 'w': + // wait for confirmation + break; + + case 'f': + // file = next operand + break; + + case 'b': + // blocking factor = next operand + break; + + case 'l': + // report if links are unresolved + break; + + case 'm': + // ignore mtimes + break; + + case 'o': + // assign user and group to getuid() and getgid() + break; + + default: + fprintf(stderr, "unknown key '%c'\n", argv[optind][i]); + return 1; + } + } + + return 0; +} |