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-rw-r--r--split/split.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/split/split.c b/split/split.c
new file mode 100644
index 000000000..facdeb0e5
--- /dev/null
+++ b/split/split.c
@@ -0,0 +1,71 @@
+/*
+ * dpkg-split - splitting and joining of multipart *.deb archives
+ * split.c - splitting archives
+ *
+ * Copyright (C) 1995 Ian Jackson <iwj10@cus.cam.ac.uk>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2,
+ * or (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with dpkg; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <assert.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "config.h"
+#include "dpkg.h"
+#include "dpkg-db.h"
+#include "dpkg-split.h"
+
+void do_split(const char *const *argv) {
+ const char *sourcefile, *prefix;
+ char *palloc;
+ int l, fd;
+ char partsizebuf[30], lengthbuf[30], partsizeallowbuf[30];
+ struct stat stab;
+
+ sourcefile= *argv++;
+ if (!sourcefile)
+ badusage("--split needs a source filename argument");
+ prefix= *argv++;
+ if (prefix && *argv)
+ badusage("--split takes at most a source filename and destination prefix");
+ if (!prefix) {
+ l= strlen(sourcefile);
+ palloc= nfmalloc(l+1);
+ strcpy(palloc,sourcefile);
+ if (!strcmp(palloc+l-(sizeof(DEBEXT)-1),DEBEXT)) {
+ l -= (sizeof(DEBEXT)-1);
+ palloc[l]= 0;
+ }
+ prefix= palloc;
+ }
+ sprintf(partsizebuf,"%ld",maxpartsize-HEADERALLOWANCE);
+ sprintf(partsizeallowbuf,"%ld",maxpartsize);
+ fd= open(sourcefile,O_RDONLY);
+ if (!fd) ohshite("unable to open source file `%.250s'",sourcefile);
+ if (fstat(fd,&stab)) ohshite("unable to fstat source file");
+ if (!S_ISREG(stab.st_mode)) ohshit("source file `%.250s' not a plain file",sourcefile);
+ sprintf(lengthbuf,"%lu",(unsigned long)stab.st_size);
+ m_dup2(fd,0);
+ execl(MKSPLITSCRIPT,MKSPLITSCRIPT,
+ sourcefile,partsizebuf,prefix,lengthbuf,partsizeallowbuf,msdos?"yes":"no",
+ (char*)0);
+ ohshite("unable to exec " MKSPLITSCRIPT);
+}