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uudecode: Style fix

This commit is contained in:
sin 2015-02-13 11:19:19 +00:00
parent d61add5dee
commit 7768918d6a
1 changed files with 67 additions and 71 deletions
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138
uudecode.c
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@ -11,80 +11,9 @@
#include "text.h"
#include "util.h"
static void uudecodeb64(FILE *, FILE *);
static void uudecode(FILE *, FILE *);
static void parseheader(FILE *, const char *, char **, mode_t *, char **);
static FILE *parsefile(const char *);
static void
usage(void)
{
eprintf("usage: %s [-m] [-o output] [file]\n", argv0);
}
static int mflag = 0;
static int oflag = 0;
int
main(int argc, char *argv[])
{
FILE *fp = NULL, *nfp = NULL;
char *fname, *header;
const char *ifname;
mode_t mode = 0;
void (*d) (FILE *, FILE *) = NULL;
char *ofname = NULL;
ARGBEGIN {
case 'm':
mflag = 1; /* accepted but unused (autodetect file type) */
break;
case 'o':
oflag = 1;
ofname = EARGF(usage());
break;
default:
usage();
} ARGEND;
if (argc > 1)
usage();
if (argc == 0) {
fp = stdin;
ifname = "<stdin>";
} else {
if (!(fp = fopen(argv[0], "r")))
eprintf("fopen %s:", argv[0]);
ifname = argv[0];
}
parseheader(fp, ifname, &header, &mode, &fname);
if (!strncmp(header, "begin", sizeof("begin")))
d = uudecode;
else if (!strncmp(header, "begin-base64", sizeof("begin-base64")))
d = uudecodeb64;
else
eprintf("unknown header %s:", header);
if (oflag)
fname = ofname;
if (!(nfp = parsefile(fname)))
eprintf("fopen %s:", fname);
d(fp, nfp);
if (nfp != stdout && chmod(fname, mode) < 0)
eprintf("chmod %s:", fname);
if (fp)
fclose(fp);
if (nfp)
fclose(nfp);
return 0;
}
static FILE *
parsefile(const char *fname)
{
@ -142,6 +71,7 @@ parseheader(FILE *fp, const char *s, char **header, mode_t *mode,
if (n > 0)
*fname = q;
}
static const char b64dt[] = {
-1,-1,-1,-1,-1,-1,-1,-1,-1,-2,-2,-2,-2,-2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,
@ -286,3 +216,69 @@ uudecode(FILE *fp, FILE *outfp)
eprintf("invalid uudecode footer \"end\" not found\n");
free(bufb);
}
static void
usage(void)
{
eprintf("usage: %s [-m] [-o output] [file]\n", argv0);
}
int
main(int argc, char *argv[])
{
FILE *fp = NULL, *nfp = NULL;
char *fname, *header;
const char *ifname;
mode_t mode = 0;
void (*d) (FILE *, FILE *) = NULL;
char *ofname = NULL;
ARGBEGIN {
case 'm':
mflag = 1; /* accepted but unused (autodetect file type) */
break;
case 'o':
oflag = 1;
ofname = EARGF(usage());
break;
default:
usage();
} ARGEND;
if (argc > 1)
usage();
if (argc == 0) {
fp = stdin;
ifname = "<stdin>";
} else {
if (!(fp = fopen(argv[0], "r")))
eprintf("fopen %s:", argv[0]);
ifname = argv[0];
}
parseheader(fp, ifname, &header, &mode, &fname);
if (!strncmp(header, "begin", sizeof("begin")))
d = uudecode;
else if (!strncmp(header, "begin-base64", sizeof("begin-base64")))
d = uudecodeb64;
else
eprintf("unknown header %s:", header);
if (oflag)
fname = ofname;
if (!(nfp = parsefile(fname)))
eprintf("fopen %s:", fname);
d(fp, nfp);
if (nfp != stdout && chmod(fname, mode) < 0)
eprintf("chmod %s:", fname);
if (fp)
fclose(fp);
if (nfp)
fclose(nfp);
return 0;
}