184 lines
3.7 KiB
C
184 lines
3.7 KiB
C
/*
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** Copyright 1998-2003 University of Illinois Board of Trustees
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** Copyright 1998-2003 Mark D. Roth
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** All rights reserved.
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**
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** wrapper.c - libtar high-level wrapper code
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**
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** Mark D. Roth <roth@uiuc.edu>
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** Campus Information Technologies and Educational Services
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** University of Illinois at Urbana-Champaign
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*/
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#include <libtarint/internal.h>
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#include <stdio.h>
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#include <libtar/compat.h>
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#if defined(_WIN32) && !defined(__CYGWIN__)
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#include <libtarint/filesystem.h>
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#else
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#include <sys/param.h>
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#include <dirent.h>
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#endif
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#include <errno.h>
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#ifdef HAVE_FNMATCH_H
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#include <fnmatch.h>
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#endif
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#ifdef STDC_HEADERS
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# include <string.h>
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#endif
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int
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tar_extract_glob(TAR *t, char *globname, char *prefix)
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{
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char *filename;
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char buf[TAR_MAXPATHLEN];
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int i;
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while ((i = th_read(t)) == 0)
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{
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filename = th_get_pathname(t);
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if (fnmatch(globname, filename, FNM_PATHNAME | FNM_PERIOD))
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{
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if (TH_ISREG(t) && tar_skip_regfile(t))
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return -1;
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continue;
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}
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if (t->options & TAR_VERBOSE)
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th_print_long_ls(t);
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if (prefix != NULL)
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snprintf(buf, sizeof(buf), "%s/%s", prefix, filename);
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else
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strlcpy(buf, filename, sizeof(buf));
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if (tar_extract_file(t, filename) != 0)
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return -1;
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}
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return (i == 1 ? 0 : -1);
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}
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int
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tar_extract_all(TAR *t, char *prefix)
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{
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char *filename;
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char buf[TAR_MAXPATHLEN];
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int i;
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#ifdef DEBUG
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printf("==> tar_extract_all(TAR *t, \"%s\")\n",
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(prefix ? prefix : "(null)"));
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#endif
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while ((i = th_read(t)) == 0)
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{
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#ifdef DEBUG
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puts(" tar_extract_all(): calling th_get_pathname()");
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#endif
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filename = th_get_pathname(t);
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if (t->options & TAR_VERBOSE)
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th_print_long_ls(t);
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if (prefix != NULL)
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snprintf(buf, sizeof(buf), "%s/%s", prefix, filename);
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else
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strlcpy(buf, filename, sizeof(buf));
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#ifdef DEBUG
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printf(" tar_extract_all(): calling tar_extract_file(t, "
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"\"%s\")\n", buf);
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#endif
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if (tar_extract_file(t, buf) != 0)
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return -1;
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}
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return (i == 1 ? 0 : -1);
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}
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int
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tar_append_tree(TAR *t, char *realdir, char *savedir)
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{
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char realpath[TAR_MAXPATHLEN];
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char savepath[TAR_MAXPATHLEN];
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#if !defined(_WIN32) || defined(__CYGWIN__)
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struct dirent *dent;
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DIR *dp;
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#else
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kwDirEntry * dent;
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kwDirectory *dp;
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#endif
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struct stat s;
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#ifdef DEBUG
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printf("==> tar_append_tree(0x%lx, \"%s\", \"%s\")\n",
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t, realdir, (savedir ? savedir : "[NULL]"));
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#endif
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if (tar_append_file(t, realdir, savedir) != 0)
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return -1;
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#ifdef DEBUG
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puts(" tar_append_tree(): done with tar_append_file()...");
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#endif
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#if defined(_WIN32) && !defined(__CYGWIN__)
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dp = kwOpenDir(realdir);
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#else
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dp = opendir(realdir);
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#endif
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if (dp == NULL)
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{
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if (errno == ENOTDIR)
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return 0;
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return -1;
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}
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#if defined(_WIN32) && !defined(__CYGWIN__)
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while ((dent = kwReadDir(dp)) != NULL)
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#else
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while ((dent = readdir(dp)) != NULL)
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#endif
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{
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if (strcmp(dent->d_name, ".") == 0 ||
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strcmp(dent->d_name, "..") == 0)
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continue;
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snprintf(realpath, TAR_MAXPATHLEN, "%s/%s", realdir,
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dent->d_name);
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if (savedir)
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snprintf(savepath, TAR_MAXPATHLEN, "%s/%s", savedir,
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dent->d_name);
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#ifndef WIN32
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if (lstat(realpath, &s) != 0)
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return -1;
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#else
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if (stat(realpath, &s) != 0)
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return -1;
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#endif
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if (S_ISDIR(s.st_mode))
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{
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if (tar_append_tree(t, realpath,
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(savedir ? savepath : NULL)) != 0)
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return -1;
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continue;
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}
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if (tar_append_file(t, realpath,
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(savedir ? savepath : NULL)) != 0)
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return -1;
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}
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#if defined(_WIN32) && !defined(__CYGWIN__)
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kwCloseDir(dp);
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#else
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closedir(dp);
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#endif
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return 0;
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}
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