commit 1b7155943196afcde33b4d3ce235fa2786c02d9a
parent 4af8889396924ab79f75c6042886780e06102360
Author: FRIGN <dev@frign.de>
Date: Wed, 18 Mar 2015 00:10:36 +0100
Audit uudecode(1)
Style cleanup, Manpage refactoring.
Diffstat:
3 files changed, 23 insertions(+), 22 deletions(-)
diff --git a/README b/README
@@ -84,7 +84,7 @@ The following tools are implemented ('*' == finished, '#' == UTF-8 support,
#*| unexpand yes none
=*| uniq yes none
=*| unlink yes none
-=* uudecode yes none
+=*| uudecode yes none
=* uuencode yes none
#* wc yes none
= xargs no -I, -L, -p, -s, -t, -x
diff --git a/uudecode.1 b/uudecode.1
@@ -1,4 +1,4 @@
-.Dd February 13, 2015
+.Dd March 18, 2015
.Dt UUDECODE 1
.Os sbase
.Sh NAME
@@ -13,23 +13,27 @@
.Nm
reads
.Ar file
-(or by default, the standard input) and writes a decoded
-version to the file specified in the uuencoded header. In case that
-the file already exists, it is truncated. Otherwise a new file is
-created. After the operation the permissions of the created/accessed
-are changed to reflect the mode in the header.
+and writes a decoded version to the file specified in the uuencoded header.
+In case the file already exists, it is truncated. Otherwise a new file is
+created. The permissions of the created/accessed file are changed to
+reflect the mode in the header.
+If no
+.Ar file
+is given
+.Nm
+reads from stdin.
.Sh OPTIONS
.Bl -tag -width Ds
.It Fl m
Use Base64 for decoding.
.It Fl o Ar output
-Use the file specified by
+Write to
.Ar output
-instead of standard output.
+rather than the file specified in the header.
.El
.Sh IMPLEMENTATION NOTES
-For safety currently uudecode operates only on regular files and
-stdout. Trying to uudecode to a link, directory, or special file
+For safety uudecode operates on regular files and stdout only.
+Trying to uudecode to a link, directory, or special file
yields an error.
.Sh SEE ALSO
.Xr uuencode 1
diff --git a/uudecode.c b/uudecode.c
@@ -17,7 +17,7 @@ parsefile(const char *fname)
struct stat st;
int ret;
- if (strcmp(fname, "/dev/stdout") == 0 || strcmp(fname, "-") == 0)
+ if (!strcmp(fname, "/dev/stdout") || !strcmp(fname, "-"))
return stdout;
ret = lstat(fname, &st);
/* if it is a new file, try to open it */
@@ -32,12 +32,11 @@ parsefile(const char *fname)
return NULL;
}
tropen:
- return fopen(fname,"w");
+ return fopen(fname, "w");
}
static void
-parseheader(FILE *fp, const char *s, char **header, mode_t *mode,
- char **fname)
+parseheader(FILE *fp, const char *s, char **header, mode_t *mode, char **fname)
{
char bufs[PATH_MAX + 18]; /* len header + mode + maxname */
char *p, *q;
@@ -74,8 +73,8 @@ parseheader(FILE *fp, const char *s, char **header, mode_t *mode,
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,
- 52,53,54,55,56,57,58,59,60,61,-1,-1,-1,0,-1,-1,-1,0,1,2,3,4,5,6,
- 7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,
+ 52,53,54,55,56,57,58,59,60,61,-1,-1,-1, 0,-1,-1,-1, 0, 1, 2, 3, 4, 5, 6,
+ 7, 8, 9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,
-1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,
49,50,51,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
@@ -212,7 +211,7 @@ uudecode(FILE *fp, FILE *outfp)
}
/* check for end or fail */
len = getline(&bufb, &n, fp);
- if (len < 3 || strncmp(bufb, "end", 3) != 0 || bufb[3] != '\n')
+ if (len < 3 || strncmp(bufb, "end", 3) || bufb[3] != '\n')
eprintf("invalid uudecode footer \"end\" not found\n");
free(bufb);
}
@@ -227,11 +226,9 @@ int
main(int argc, char *argv[])
{
FILE *fp = NULL, *nfp = NULL;
- char *fname, *header;
- const char *ifname;
mode_t mode = 0;
+ char *fname, *header, *ifname, *ofname = NULL;
void (*d) (FILE *, FILE *) = NULL;
- char *ofname = NULL;
ARGBEGIN {
case 'm':
@@ -248,7 +245,7 @@ main(int argc, char *argv[])
if (argc > 1)
usage();
- if (argc == 0) {
+ if (!argc) {
fp = stdin;
ifname = "<stdin>";
} else {
