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Diffstat (limited to 'i/pc104/initrd/conf/busybox/coreutils/dos2unix.c')
-rw-r--r--i/pc104/initrd/conf/busybox/coreutils/dos2unix.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/coreutils/dos2unix.c b/i/pc104/initrd/conf/busybox/coreutils/dos2unix.c
new file mode 100644
index 0000000..62c1361
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/coreutils/dos2unix.c
@@ -0,0 +1,116 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * dos2unix for BusyBox
+ *
+ * dos2unix '\n' convertor 0.5.0
+ * based on Unix2Dos 0.9.0 by Peter Hanecak (made 19.2.1997)
+ * Copyright 1997,.. by Peter Hanecak <hanecak@megaloman.sk>.
+ * All rights reserved.
+ *
+ * dos2unix filters reading input from stdin and writing output to stdout.
+ *
+ * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
+*/
+
+#include "busybox.h"
+
+enum ConvType {
+ CT_UNIX2DOS = 1,
+ CT_DOS2UNIX
+} ConvType;
+
+/* if fn is NULL then input is stdin and output is stdout */
+static int convert(char *fn)
+{
+ FILE *in, *out;
+ int i;
+
+ if (fn != NULL) {
+ in = xfopen(fn, "rw");
+ /*
+ The file is then created with mode read/write and
+ permissions 0666 for glibc 2.0.6 and earlier or
+ 0600 for glibc 2.0.7 and later.
+ */
+ snprintf(bb_common_bufsiz1, sizeof(bb_common_bufsiz1), "%sXXXXXX", fn);
+ /*
+ sizeof bb_common_bufsiz1 is 4096, so it should be big enough to
+ hold the full path. However if the output is truncated the
+ subsequent call to mkstemp would fail.
+ */
+ if ((i = mkstemp(&bb_common_bufsiz1[0])) == -1
+ || chmod(bb_common_bufsiz1, 0600) == -1) {
+ bb_perror_nomsg_and_die();
+ }
+ out = fdopen(i, "w+");
+ if (!out) {
+ close(i);
+ remove(bb_common_bufsiz1);
+ }
+ } else {
+ in = stdin;
+ out = stdout;
+ }
+
+ while ((i = fgetc(in)) != EOF) {
+ if (i == '\r')
+ continue;
+ if (i == '\n') {
+ if (ConvType == CT_UNIX2DOS)
+ fputc('\r', out);
+ fputc('\n', out);
+ continue;
+ }
+ fputc(i, out);
+ }
+
+ if (fn != NULL) {
+ if (fclose(in) < 0 || fclose(out) < 0) {
+ bb_perror_nomsg();
+ remove(bb_common_bufsiz1);
+ return -2;
+ }
+ /* Assume they are both on the same filesystem (which
+ * should be true since we put them into the same directory
+ * so we _should_ be ok, but you never know... */
+ if (rename(bb_common_bufsiz1, fn) < 0) {
+ bb_perror_msg("cannot rename '%s' as '%s'", bb_common_bufsiz1, fn);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+int dos2unix_main(int argc, char *argv[]);
+int dos2unix_main(int argc, char *argv[])
+{
+ int o;
+
+ /* See if we are supposed to be doing dos2unix or unix2dos */
+ if (applet_name[0] == 'd') {
+ ConvType = CT_DOS2UNIX; /*2 */
+ } else {
+ ConvType = CT_UNIX2DOS; /*1 */
+ }
+ /* -u and -d are mutally exclusive */
+ opt_complementary = "?:u--d:d--u";
+ /* process parameters */
+ /* -u convert to unix */
+ /* -d convert to dos */
+ o = getopt32(argc, argv, "du");
+
+ /* Do the conversion requested by an argument else do the default
+ * conversion depending on our name. */
+ if (o)
+ ConvType = o;
+
+ if (optind < argc) {
+ while (optind < argc)
+ if ((o = convert(argv[optind++])) < 0)
+ break;
+ } else
+ o = convert(NULL);
+
+ return o;
+}