Differential D22262 Diff 65686 head/usr.bin/uniq/uniq.c

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head/usr.bin/uniq/uniq.c

Show First 20 Lines • Show All 59 Lines • ▼ Show 20 Lines
#include <stdio.h>		#include <stdio.h>
#include <stdlib.h>		#include <stdlib.h>
#include <string.h>		#include <string.h>
#include <termios.h>		#include <termios.h>
#include <unistd.h>		#include <unistd.h>
#include <wchar.h>		#include <wchar.h>
#include <wctype.h>		#include <wctype.h>

static int cflag, dflag, uflag, iflag;		static int Dflag, cflag, dflag, uflag, iflag;
static int numchars, numfields, repeats;		static int numchars, numfields, repeats;

		/* Dflag values */
		#define DF_NONE 0
		#define DF_NOSEP 1
		#define DF_PRESEP 2
		#define DF_POSTSEP 3

static const struct option long_opts[] =		static const struct option long_opts[] =
{		{
		{"all-repeated",optional_argument, NULL, 'D'},
{"count", no_argument, NULL, 'c'},		{"count", no_argument, NULL, 'c'},
{"repeated", no_argument, NULL, 'd'},		{"repeated", no_argument, NULL, 'd'},
{"skip-fields", required_argument, NULL, 'f'},		{"skip-fields", required_argument, NULL, 'f'},
{"ignore-case", no_argument, NULL, 'i'},		{"ignore-case", no_argument, NULL, 'i'},
{"skip-chars", required_argument, NULL, 's'},		{"skip-chars", required_argument, NULL, 's'},
{"unique", no_argument, NULL, 'u'},		{"unique", no_argument, NULL, 'u'},
{NULL, no_argument, NULL, 0}		{NULL, no_argument, NULL, 0}
};		};
Show All 15 Lines	main (int argc, char *argv[])
size_t prevbuflen, thisbuflen, b1;		size_t prevbuflen, thisbuflen, b1;
char prevline, thisline, *p;		char prevline, thisline, *p;
const char *ifn;		const char *ifn;
cap_rights_t rights;		cap_rights_t rights;

(void) setlocale(LC_ALL, "");		(void) setlocale(LC_ALL, "");

obsolete(argv);		obsolete(argv);
while ((ch = getopt_long(argc, argv, "+cdif:s:u", long_opts,		while ((ch = getopt_long(argc, argv, "+D::cdif:s:u", long_opts,
NULL)) != -1)		NULL)) != -1)
switch (ch) {		switch (ch) {
		case 'D':
		if (optarg == NULL \|\| strcasecmp(optarg, "none") == 0)
		Dflag = DF_NOSEP;
		else if (strcasecmp(optarg, "prepend") == 0)
		Dflag = DF_PRESEP;
		else if (strcasecmp(optarg, "separate") == 0)
		Dflag = DF_POSTSEP;
		else
		usage();
		break;
case 'c':		case 'c':
cflag = 1;		cflag = 1;
break;		break;
case 'd':		case 'd':
dflag = 1;		dflag = 1;
break;		break;
case 'i':		case 'i':
iflag = 1;		iflag = 1;
▲ Show 20 Lines • Show All 74 Lines • ▼ Show 20 Lines	if (tthis == NULL && tprev == NULL)
comp = inlcmp(thisline, prevline);		comp = inlcmp(thisline, prevline);
else if (tthis == NULL \|\| tprev == NULL)		else if (tthis == NULL \|\| tprev == NULL)
comp = 1;		comp = 1;
else		else
comp = wcscoll(tthis, tprev);		comp = wcscoll(tthis, tprev);

if (comp) {		if (comp) {
/* If different, print; set previous to new value. */		/* If different, print; set previous to new value. */
		if (Dflag == DF_POSTSEP && repeats > 0)
		fputc('\n', ofp);
		if (!Dflag)
show(ofp, prevline);		show(ofp, prevline);
p = prevline;		p = prevline;
b1 = prevbuflen;		b1 = prevbuflen;
prevline = thisline;		prevline = thisline;
prevbuflen = thisbuflen;		prevbuflen = thisbuflen;
if (tprev != NULL)		if (tprev != NULL)
free(tprev);		free(tprev);
tprev = tthis;		tprev = tthis;
thisline = p;		thisline = p;
thisbuflen = b1;		thisbuflen = b1;
tthis = NULL;		tthis = NULL;
repeats = 0;		repeats = 0;
} else		} else {
		if (Dflag) {
		if (repeats == 0) {
		if (Dflag == DF_PRESEP)
		fputc('\n', ofp);
		show(ofp, prevline);
		}
		show(ofp, thisline);
		}
++repeats;		++repeats;
}		}
		}
if (ferror(ifp))		if (ferror(ifp))
err(1, "%s", ifn);		err(1, "%s", ifn);
		if (!Dflag)
show(ofp, prevline);		show(ofp, prevline);
exit(0);		exit(0);
}		}

static wchar_t *		static wchar_t *
convert(const char *str)		convert(const char *str)
{		{
size_t n;		size_t n;
wchar_t buf, ret, *p;		wchar_t buf, ret, *p;
▲ Show 20 Lines • Show All 48 Lines • ▼ Show 20 Lines
* show --		* show --
* Output a line depending on the flags and number of repetitions		* Output a line depending on the flags and number of repetitions
* of the line.		* of the line.
*/		*/
static void		static void
show(FILE ofp, const char str)		show(FILE ofp, const char str)
{		{

if ((dflag && repeats == 0) \|\| (uflag && repeats > 0))		if ((!Dflag && dflag && repeats == 0) \|\| (uflag && repeats > 0))
return;		return;
if (cflag)		if (cflag)
(void)fprintf(ofp, "%4d %s", repeats + 1, str);		(void)fprintf(ofp, "%4d %s", repeats + 1, str);
else		else
(void)fprintf(ofp, "%s", str);		(void)fprintf(ofp, "%s", str);
}		}

static wchar_t *		static wchar_t *
▲ Show 20 Lines • Show All 50 Lines • ▼ Show 20 Lines	while ((ap = *++argv)) {
*argv = start;		*argv = start;
}		}
}		}

static void		static void
usage(void)		usage(void)
{		{
(void)fprintf(stderr,		(void)fprintf(stderr,
"usage: uniq [-c] [-d \| -u] [-i] [-f fields] [-s chars] [input [output]]\n");		"usage: uniq [-c \| -d \| -D \| -u] [-i] [-f fields] [-s chars] [input [output]]\n");
exit(1);		exit(1);
}		}