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Add a quoted-printable encoder/decoder

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As an example:
printf 'We don=27t know what to do with other=20worlds.=0D=0A' \
| bintrans qp -u

Differential Revision:	https://reviews.freebsd.org/D34933

Reviewed by:	debdrup (manpage)
This commit is contained in:
Piotr Pawel Stefaniak 2022-04-15 15:25:30 +02:00
parent ff2b1ffbb0
commit aad4fd5495
4 changed files with 35 additions and 8 deletions
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2
usr.bin/bintrans/Makefile
View File

@ -4,7 +4,7 @@
.include <src.opts.mk>
PROG= bintrans
SRCS= bintrans.c uuencode.c uudecode.c
SRCS= bintrans.c uuencode.c uudecode.c quoted-printable.c
MAN= bintrans.1 uuencode.format.5
LINKS+= ${BINDIR}/bintrans ${BINDIR}/uuencode
LINKS+= ${BINDIR}/bintrans ${BINDIR}/b64encode

13
usr.bin/bintrans/bintrans.1
View File

@ -225,6 +225,19 @@ Wrap encoded output after
.Nm
is a generic utility that can run
any of the aforementioned encoders and decoders.
It can also run algorithms that are not available
through a dedicated program:
.Pp
.Nm qp
is a quoted-printable converter
and accepts the following options:
.Bl -tag -width ident
.It Fl u
Decode.
.It Fl o Ar output_file
Output to
.Ar output_file
instead of standard output.
.Sh EXAMPLES
The following example packages up a source tree, compresses it,
uuencodes it and mails it to a user on another system.

12
usr.bin/bintrans/bintrans.c
View File

@ -38,6 +38,7 @@ extern int main_decode(int, char *[]);
extern int main_encode(int, char *[]);
extern int main_base64_decode(const char *);
extern int main_base64_encode(const char *, const char *);
extern int main_quotedprintable(int, char*[]);
static int search(const char *const);
static void usage_base64(bool);
@ -45,7 +46,7 @@ static void version_base64(void);
static void base64_encode_or_decode(int, char *[]);
enum coders {
uuencode, uudecode, b64encode, b64decode, base64
uuencode, uudecode, b64encode, b64decode, base64, qp
};
int
@ -71,11 +72,15 @@ main(int argc, char *argv[])
case base64:
base64_encode_or_decode(argc, argv);
break;
case qp:
main_quotedprintable(argc, argv);
break;
default:
(void)fprintf(stderr,
"usage: %1$s <uuencode | uudecode> ...\n"
" %1$s <b64encode | b64decode> ...\n"
" %1$s <base64> ...\n",
" %1$s <base64> ...\n"
" %1$s <qp> ...\n",
progname);
exit(EX_USAGE);
}
@ -90,7 +95,8 @@ search(const char *const progname)
DESIGNATE(uudecode),
DESIGNATE(b64encode),
DESIGNATE(b64decode),
DESIGNATE(base64)
DESIGNATE(base64),
DESIGNATE(qp)
};
for (size_t i = 0; i < nitems(known); i++)

16
usr.bin/bintrans/mmencode.c → usr.bin/bintrans/quoted-printable.c
View File

@ -18,6 +18,8 @@ WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES.
#include <string.h>
#include <ctype.h>
extern int main_quotedprintable(int, char *[]);
static int
PendingBoundary(char *s, char **Boundaries, int *BoundaryCt)
{
@ -211,8 +213,15 @@ fromqp(FILE *infile, FILE *outfile, char **boundaries, int *boundaryct)
}
}
static void
usage(void)
{
fprintf(stderr,
"usage: bintrans qp [-u] [-o outputfile] [file name]\n");
}
int
main(int argc, char *argv[])
main_quotedprintable(int argc, char *argv[])
{
int i;
bool encode = true;
@ -224,7 +233,7 @@ main(int argc, char *argv[])
switch (argv[i][1]) {
case 'o':
if (++i >= argc) {
fprintf(stderr, "mimencode: -o requires a file name.\n");
fprintf(stderr, "qp: -o requires a file name.\n");
exit(EXIT_FAILURE);
}
fpo = fopen(argv[i], "w");
@ -237,8 +246,7 @@ main(int argc, char *argv[])
encode = false;
break;
default:
fprintf(stderr,
"Usage: mmencode [-u] [-o outputfile] [file name]\n");
usage();
exit(EXIT_FAILURE);
}
} else {