From a21eca04b43605792bf4059778d888f7d1542be6 Mon Sep 17 00:00:00 2001 From: edwin Date: Mon, 18 Oct 2010 03:59:55 +0000 Subject: [PATCH] Stylify of uudecode(1) Part of PR bin/124739. PR: bin/124739 Submitted by: Mark Andrews --- usr.bin/uudecode/uudecode.c | 64 ++++++++++++++++++++----------------- 1 file changed, 35 insertions(+), 29 deletions(-) diff --git a/usr.bin/uudecode/uudecode.c b/usr.bin/uudecode/uudecode.c index 093af7d2d47..9217dd9c1ad 100644 --- a/usr.bin/uudecode/uudecode.c +++ b/usr.bin/uudecode/uudecode.c @@ -87,7 +87,7 @@ main(int argc, char *argv[]) base64 = 1; while ((ch = getopt(argc, argv, "cimo:prs")) != -1) { - switch(ch) { + switch (ch) { case 'c': if (oflag || rflag) usage(); @@ -125,10 +125,10 @@ main(int argc, char *argv[]) usage(); } } - argc -= optind; - argv += optind; + argc -= optind; + argv += optind; - if (*argv) { + if (*argv != NULL) { rval = 0; do { infp = fopen(infile = *argv, "r"); @@ -184,7 +184,7 @@ decode2(void) void *handle; struct passwd *pw; struct stat st; - char buf[MAXPATHLEN+1]; + char buf[MAXPATHLEN + 1]; base64 = 0; /* search for header line */ @@ -259,7 +259,7 @@ decode2(void) if (pflag || strcmp(outfile, "/dev/stdout") == 0) outfp = stdout; else { - flags = O_WRONLY|O_CREAT|O_EXCL; + flags = O_WRONLY | O_CREAT | O_EXCL; if (lstat(outfile, &st) == 0) { if (iflag) { warnc(EEXIST, "%s: %s", infile, outfile); @@ -305,6 +305,7 @@ decode2(void) static int getline(char *buf, size_t size) { + if (fgets(buf, size, infp) != NULL) return (2); if (rflag) @@ -341,17 +342,19 @@ uu_decode(void) /* for each input line */ for (;;) { switch (getline(buf, sizeof(buf))) { - case 0: return (0); - case 1: return (1); + case 0: + return (0); + case 1: + return (1); } -#define DEC(c) (((c) - ' ') & 077) /* single character decode */ -#define IS_DEC(c) ( (((c) - ' ') >= 0) && (((c) - ' ') <= 077 + 1) ) +#define DEC(c) (((c) - ' ') & 077) /* single character decode */ +#define IS_DEC(c) ( (((c) - ' ') >= 0) && (((c) - ' ') <= 077 + 1) ) #define OUT_OF_RANGE do { \ warnx("%s: %s: character out of range: [%d-%d]", \ infile, outfile, 1 + ' ', 077 + ' ' + 1); \ - return (1); \ + return (1); \ } while (0) /* @@ -364,8 +367,8 @@ uu_decode(void) for (++p; i > 0; p += 4, i -= 3) if (i >= 3) { if (!(IS_DEC(*p) && IS_DEC(*(p + 1)) && - IS_DEC(*(p + 2)) && IS_DEC(*(p + 3)))) - OUT_OF_RANGE; + IS_DEC(*(p + 2)) && IS_DEC(*(p + 3)))) + OUT_OF_RANGE; ch = DEC(p[0]) << 2 | DEC(p[1]) >> 4; putc(ch, outfp); @@ -373,8 +376,7 @@ uu_decode(void) putc(ch, outfp); ch = DEC(p[2]) << 6 | DEC(p[3]); putc(ch, outfp); - } - else { + } else { if (i >= 1) { if (!(IS_DEC(*p) && IS_DEC(*(p + 1)))) OUT_OF_RANGE; @@ -383,25 +385,28 @@ uu_decode(void) } if (i >= 2) { if (!(IS_DEC(*(p + 1)) && - IS_DEC(*(p + 2)))) - OUT_OF_RANGE; + IS_DEC(*(p + 2)))) + OUT_OF_RANGE; ch = DEC(p[1]) << 4 | DEC(p[2]) >> 2; putc(ch, outfp); } if (i >= 3) { if (!(IS_DEC(*(p + 2)) && - IS_DEC(*(p + 3)))) - OUT_OF_RANGE; + IS_DEC(*(p + 3)))) + OUT_OF_RANGE; ch = DEC(p[2]) << 6 | DEC(p[3]); putc(ch, outfp); } } } switch (getline(buf, sizeof(buf))) { - case 0: return (0); - case 1: return (1); - default: return (checkend(buf, "end", "no \"end\" line")); + case 0: + return (0); + case 1: + return (1); + default: + return (checkend(buf, "end", "no \"end\" line")); } } @@ -409,7 +414,7 @@ static int base64_decode(void) { int n; - char inbuf[MAXPATHLEN+1]; + char inbuf[MAXPATHLEN + 1]; unsigned char outbuf[MAXPATHLEN * 4]; for (;;) { @@ -418,21 +423,22 @@ base64_decode(void) case 1: return (1); } n = b64_pton(inbuf, outbuf, sizeof(outbuf)); + if (n < 0) break; fwrite(outbuf, 1, n, outfp); } - return (checkend(inbuf, "====", - "error decoding base64 input stream")); + return (checkend(inbuf, "====", "error decoding base64 input stream")); } static void usage(void) { + (void)fprintf(stderr, -"usage: uudecode [-cimprs] [file ...]\n" -" uudecode [-i] -o output_file [file]\n" -" b64decode [-cimprs] [file ...]\n" -" b64decode [-i] -o output_file [file]\n"); + "usage: uudecode [-cimprs] [file ...]\n" + " uudecode [-i] -o output_file [file]\n" + " b64decode [-cimprs] [file ...]\n" + " b64decode [-i] -o output_file [file]\n"); exit(1); } -- 2.45.2