src/usr.bin/uniq/uniq.c - diff

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Diff for /src/usr.bin/uniq/uniq.c between version 1.27 and 1.28

version 1.27, 2018/07/31 02:55:57

version 1.28, 2021/11/01 23:20:35

Line 45

#include <wchar.h>

#include <wctype.h>

#define MAXLINELEN (8 * 1024)

int cflag, dflag, iflag, uflag;

int numchars, numfields, repeats;

Line 59

Line 57

int

main(int argc, char *argv[])

{

char *t1, *t2;

char *prevline, *t1, *t2, *thisline;

FILE *ifp = NULL, *ofp = NULL;

size_t prevsize, thissize, tmpsize;

int ch;

char *prevline, *thisline;

setlocale(LC_CTYPE, "");

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if (pledge("stdio", NULL) == -1)

err(1, "pledge");

prevline = malloc(MAXLINELEN);

prevsize = 0;

thisline = malloc(MAXLINELEN);

prevline = NULL;

if (prevline == NULL || thisline == NULL)

if (getline(&prevline, &prevsize, ifp) == -1) {

err(1, "malloc");

free(prevline);

if (ferror(ifp))

if (fgets(prevline, MAXLINELEN, ifp) == NULL)

err(1, "getline");

exit(0);

}

while (fgets(thisline, MAXLINELEN, ifp)) {

thissize = 0;

thisline = NULL;

while (getline(&thisline, &thissize, ifp) != -1) {

/* If requested get the chosen fields + character offsets. */

if (numfields || numchars) {

t1 = skip(thisline);

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t1 = prevline;

prevline = thisline;

thisline = t1;

tmpsize = prevsize;

prevsize = thissize;

thissize = tmpsize;

repeats = 0;

} else

++repeats;

}

free(thisline);

if (ferror(ifp))

err(1, "getline");

show(ofp, prevline);

free(prevline);

exit(0);

}