Date: Wed, 25 Jul 2012 16:12:02 +0000 From: jhagewood@FreeBSD.org To: svn-soc-all@FreeBSD.org Subject: socsvn commit: r239767 - in soc2012/jhagewood/diff: . diff Message-ID: <20120725161202.67F81106566B@hub.freebsd.org>
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Author: jhagewood Date: Wed Jul 25 16:12:02 2012 New Revision: 239767 URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=239767 Log: Added gz file opening to diff Modified: soc2012/jhagewood/diff/diff/Makefile soc2012/jhagewood/diff/diff/diffreg.c soc2012/jhagewood/diff/hagewood-diff.patch Modified: soc2012/jhagewood/diff/diff/Makefile ============================================================================== --- soc2012/jhagewood/diff/diff/Makefile Wed Jul 25 16:10:20 2012 (r239766) +++ soc2012/jhagewood/diff/diff/Makefile Wed Jul 25 16:12:02 2012 (r239767) @@ -3,7 +3,7 @@ DEBUG_FLAGS+= -g -PROG= diff +PROG= diff xdiff SRCS= diff.c diffdir.c diffreg.c CFLAGS+= -std=c99 -Wall -pedantic Modified: soc2012/jhagewood/diff/diff/diffreg.c ============================================================================== --- soc2012/jhagewood/diff/diff/diffreg.c Wed Jul 25 16:10:20 2012 (r239766) +++ soc2012/jhagewood/diff/diff/diffreg.c Wed Jul 25 16:12:02 2012 (r239767) @@ -78,6 +78,7 @@ #include <err.h> #include <errno.h> #include <fcntl.h> +#include <limits.h> #include <stddef.h> #include <stdint.h> #include <stdio.h> @@ -305,10 +306,14 @@ int diffreg(char *ofile1, char *ofile2, int flags) { + char *buf; char *file1 = ofile1; char *file2 = ofile2; FILE *f1 = NULL; FILE *f2 = NULL; + gzFile *gz1 = NULL; + gzFile *gz2 = NULL; + int bytesread; int rval = D_SAME; int i, ostdout = -1; pid_t pid = -1; @@ -338,8 +343,11 @@ else { if (filebehave == FILE_NORMAL) f1 = fopen(file1, "r"); - if (filebehave == FILE_GZIP) - f1 = gzopen(file1, "r"); + if (filebehave == FILE_GZIP) { + gz1 = gzopen(file1, "r"); + gzread(gz1, buf, MAX_INT); + f1 = fdopen(buf, "r"); + } } } if (f1 == NULL) { @@ -364,7 +372,9 @@ if (filebehave == FILE_NORMAL) f2 = fopen(file2, "r"); if (filebehave == FILE_GZIP) - f2 = gzopen(file2, "r"); + gz2 = gzopen(file2, "r"); + gzread(gz2, buf, MAX_INT); + f2 = fdopen(buf, "r"); } } if (f2 == NULL) { Modified: soc2012/jhagewood/diff/hagewood-diff.patch ============================================================================== --- soc2012/jhagewood/diff/hagewood-diff.patch Wed Jul 25 16:10:20 2012 (r239766) +++ soc2012/jhagewood/diff/hagewood-diff.patch Wed Jul 25 16:12:02 2012 (r239767) @@ -1,6 +1,6 @@ diff -rupN diff-orig/diff.c diff/diff.c ---- diff-orig/diff.c 2012-07-23 02:07:00.000000000 -0400 -+++ diff/diff.c 2012-07-23 21:17:49.000000000 -0400 +--- diff-orig/diff.c 2012-07-25 11:37:23.299991134 -0400 ++++ diff/diff.c 2012-07-25 11:37:23.727991128 -0400 @@ -1,4 +1,4 @@ -/*- +/* @@ -57,7 +57,7 @@ /* Options which exceed manageable alphanumeric assignments */ -@@ -69,107 +68,163 @@ enum +@@ -69,107 +68,163 @@ enum OPT_STRIPCR, OPT_NORMAL, OPT_LEFTC, @@ -639,47 +639,9 @@ - exit(2); + exit(1); } -diff -rupN diff-orig/diff.h diff/diff.h ---- diff-orig/diff.h 2012-07-23 02:07:00.000000000 -0400 -+++ diff/diff.h 2012-07-23 21:13:42.000000000 -0400 -@@ -48,6 +48,8 @@ - #define D_NREVERSE 5 /* Reverse ed script with numbered - lines and no trailing . */ - #define D_BRIEF 6 /* Say if the files differ */ -+#define D_GF 7 /* Group format */ -+#define D_LF 8 /* Line format */ - - /* - * Output flags -@@ -70,15 +72,22 @@ - #define D_SKIPPED1 8 /* path1 was a special file */ - #define D_SKIPPED2 9 /* path2 was a special file */ - -+/* -+ * File input types -+ */ -+#define FILE_NORMAL 0 -+#define FILE_GZIP 1 -+ - struct excludes { - char *pattern; - struct excludes *next; - }; - --extern int aflag, bflag, dflag, iflag, lflag, Nflag, Pflag, pflag, rflag, -- sflag, tflag, Tflag, wflag; --extern int Bflag, strip_cr, tabsize; -+extern int aflag, bflag, cflag, dflag, Eflag, Fromflag, iflag, lflag, Nflag, Pflag, pflag, rflag, -+ sflag, tflag, Tflag, Toflag, wflag; -+extern int Bflag, strip_cr, suppress_cl, tabsize; - extern int format, context, status; -+extern int filebehave; - extern char ignore_file_case; - extern char *start, *ifdefname, *diffargs, *label[2], *ignore_pats; - extern struct stat stb1, stb2; diff -rupN diff-orig/diffdir.c diff/diffdir.c ---- diff-orig/diffdir.c 2012-07-23 02:07:00.000000000 -0400 -+++ diff/diffdir.c 2012-07-23 02:07:00.000000000 -0400 +--- diff-orig/diffdir.c 2012-07-25 11:37:23.299991134 -0400 ++++ diff/diffdir.c 2012-07-25 11:37:23.726991126 -0400 @@ -20,13 +20,13 @@ #include <sys/cdefs.h> @@ -786,9 +748,47 @@ strlcpy(path1 + plen1, dp->d_name, MAXPATHLEN - plen1); if (stat(path1, &stb1) != 0) { +diff -rupN diff-orig/diff.h diff/diff.h +--- diff-orig/diff.h 2012-07-25 11:37:23.300991134 -0400 ++++ diff/diff.h 2012-07-25 11:37:23.728991128 -0400 +@@ -48,6 +48,8 @@ + #define D_NREVERSE 5 /* Reverse ed script with numbered + lines and no trailing . */ + #define D_BRIEF 6 /* Say if the files differ */ ++#define D_GF 7 /* Group format */ ++#define D_LF 8 /* Line format */ + + /* + * Output flags +@@ -70,15 +72,22 @@ + #define D_SKIPPED1 8 /* path1 was a special file */ + #define D_SKIPPED2 9 /* path2 was a special file */ + ++/* ++ * File input types ++ */ ++#define FILE_NORMAL 0 ++#define FILE_GZIP 1 ++ + struct excludes { + char *pattern; + struct excludes *next; + }; + +-extern int aflag, bflag, dflag, iflag, lflag, Nflag, Pflag, pflag, rflag, +- sflag, tflag, Tflag, wflag; +-extern int Bflag, strip_cr, tabsize; ++extern int aflag, bflag, cflag, dflag, Eflag, Fromflag, iflag, lflag, Nflag, Pflag, pflag, rflag, ++ sflag, tflag, Tflag, Toflag, wflag; ++extern int Bflag, strip_cr, suppress_cl, tabsize; + extern int format, context, status; ++extern int filebehave; + extern char ignore_file_case; + extern char *start, *ifdefname, *diffargs, *label[2], *ignore_pats; + extern struct stat stb1, stb2; diff -rupN diff-orig/diffreg.c diff/diffreg.c ---- diff-orig/diffreg.c 2012-07-23 02:07:00.000000000 -0400 -+++ diff/diffreg.c 2012-07-23 21:32:34.000000000 -0400 +--- diff-orig/diffreg.c 2012-07-25 11:37:23.298991134 -0400 ++++ diff/diffreg.c 2012-07-25 12:07:51.966957049 -0400 @@ -62,15 +62,13 @@ * @(#)diffreg.c 8.1 (Berkeley) 6/6/93 */ @@ -809,7 +809,14 @@ #include <sys/param.h> #include <sys/stat.h> -@@ -86,10 +84,23 @@ __FBSDID("$FreeBSD"); +@@ -80,16 +78,30 @@ __FBSDID("$FreeBSD"); + #include <err.h> + #include <errno.h> + #include <fcntl.h> ++#include <limits.h> + #include <stddef.h> + #include <stdint.h> + #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> @@ -833,7 +840,7 @@ /* * diff - compare two files. */ -@@ -181,47 +192,47 @@ struct context_vec { +@@ -181,47 +193,47 @@ struct context_vec { }; static FILE *opentemp(const char *); @@ -916,7 +923,7 @@ static struct line *sfile[2]; /* shortened by pruning common prefix/suffix */ static u_char *chrtran; /* translation table for case-folding */ static struct context_vec *context_vec_start; -@@ -294,13 +305,13 @@ u_char cup2low[256] = { +@@ -294,13 +306,17 @@ u_char cup2low[256] = { int diffreg(char *ofile1, char *ofile2, int flags) { @@ -927,17 +934,21 @@ - int rval = D_SAME; - int i, ostdout = -1; - pid_t pid = -1; ++ char *buf; + char *file1 = ofile1; + char *file2 = ofile2; + FILE *f1 = NULL; + FILE *f2 = NULL; ++ gzFile *gz1 = NULL; ++ gzFile *gz2 = NULL; ++ int bytesread; + int rval = D_SAME; + int i, ostdout = -1; + pid_t pid = -1; anychange = 0; lastline = 0; -@@ -310,7 +321,7 @@ diffreg(char *ofile1, char *ofile2, int +@@ -310,7 +326,7 @@ diffreg(char *ofile1, char *ofile2, int if (S_ISDIR(stb1.st_mode) != S_ISDIR(stb2.st_mode)) return (S_ISDIR(stb1.st_mode) ? D_MISMATCH1 : D_MISMATCH2); if (strcmp(file1, "-") == 0 && strcmp(file2, "-") == 0) @@ -946,7 +957,7 @@ if (flags & D_EMPTY1) f1 = fopen(_PATH_DEVNULL, "r"); -@@ -320,17 +331,21 @@ diffreg(char *ofile1, char *ofile2, int +@@ -320,17 +336,24 @@ diffreg(char *ofile1, char *ofile2, int fstat(fileno(f1), &stb1) < 0) { warn("%s", file1); status |= 2; @@ -960,8 +971,11 @@ + else { + if (filebehave == FILE_NORMAL) + f1 = fopen(file1, "r"); -+ if (filebehave == FILE_GZIP) -+ f1 = gzopen(file1, "r"); ++ if (filebehave == FILE_GZIP) { ++ gz1 = gzopen(file1, "r"); ++ gzread(gz1, buf, MAX_INT); ++ f1 = fdopen(buf, "r"); ++ } + } } if (f1 == NULL) { @@ -972,7 +986,7 @@ } if (flags & D_EMPTY2) -@@ -341,34 +356,37 @@ diffreg(char *ofile1, char *ofile2, int +@@ -341,34 +364,39 @@ diffreg(char *ofile1, char *ofile2, int fstat(fileno(f2), &stb2) < 0) { warn("%s", file2); status |= 2; @@ -987,7 +1001,9 @@ + if (filebehave == FILE_NORMAL) + f2 = fopen(file2, "r"); + if (filebehave == FILE_GZIP) -+ f2 = gzopen(file2, "r"); ++ gz2 = gzopen(file2, "r"); ++ gzread(gz2, buf, MAX_INT); ++ f2 = fdopen(buf, "r"); + } } if (f2 == NULL) { @@ -1019,7 +1035,7 @@ } if (lflag) { /* redirect stdout to pr */ -@@ -452,7 +470,11 @@ diffreg(char *ofile1, char *ofile2, int +@@ -452,7 +480,11 @@ diffreg(char *ofile1, char *ofile2, int } waitpid(pid, &wstatus, 0); } @@ -1032,7 +1048,7 @@ if (anychange) { status |= 1; if (rval == D_SAME) -@@ -477,8 +499,8 @@ closem: +@@ -477,8 +509,8 @@ closem: static int files_differ(FILE *f1, FILE *f2, int flags) { @@ -1043,7 +1059,7 @@ if ((flags & (D_EMPTY1|D_EMPTY2)) || stb1.st_size != stb2.st_size || (stb1.st_mode & S_IFMT) != (stb2.st_mode & S_IFMT)) -@@ -503,9 +525,9 @@ files_differ(FILE *f1, FILE *f2, int fla +@@ -503,9 +535,9 @@ files_differ(FILE *f1, FILE *f2, int fla static FILE * opentemp(const char *file) { @@ -1056,7 +1072,7 @@ if (strcmp(file, "-") == 0) ifd = STDIN_FILENO; -@@ -541,7 +563,7 @@ opentemp(const char *file) +@@ -541,7 +573,7 @@ opentemp(const char *file) char * splice(char *dir, char *file) { @@ -1065,7 +1081,7 @@ if ((tail = strrchr(file, '/')) == NULL) tail = file; -@@ -555,8 +577,8 @@ static void +@@ -555,8 +587,8 @@ static void prepare(int i, FILE *fd, off_t filesize) { struct line *p; @@ -1076,7 +1092,7 @@ rewind(fd); -@@ -579,7 +601,7 @@ prepare(int i, FILE *fd, off_t filesize) +@@ -579,7 +611,7 @@ prepare(int i, FILE *fd, off_t filesize) static void prune(void) { @@ -1085,7 +1101,7 @@ for (pref = 0; pref < len[0] && pref < len[1] && file[0][pref + 1].value == file[1][pref + 1].value; -@@ -600,7 +622,7 @@ prune(void) +@@ -600,7 +632,7 @@ prune(void) static void equiv(struct line *a, int n, struct line *b, int m, int *c) { @@ -1094,7 +1110,7 @@ i = j = 1; while (i <= n && j <= m) { -@@ -629,7 +651,7 @@ equiv(struct line *a, int n, struct line +@@ -629,7 +661,7 @@ equiv(struct line *a, int n, struct line static int isqrt(int n) { @@ -1103,7 +1119,7 @@ if (n == 0) return (0); -@@ -647,9 +669,9 @@ isqrt(int n) +@@ -647,9 +679,9 @@ isqrt(int n) static int stone(int *a, int n, int *b, int *c) { @@ -1116,7 +1132,7 @@ const u_int bound = dflag ? UINT_MAX : MAX(256, isqrt(n)); k = 0; -@@ -705,7 +727,7 @@ newcand(int x, int y, int pred) +@@ -705,7 +737,7 @@ newcand(int x, int y, int pred) static int search(int *c, int k, int y) { @@ -1125,7 +1141,7 @@ if (clist[c[k]].y < y) /* quick look for typical case */ return (k + 1); -@@ -730,7 +752,7 @@ static void +@@ -730,7 +762,7 @@ static void unravel(int p) { struct cand *q; @@ -1134,7 +1150,7 @@ for (i = 0; i <= len[0]; i++) J[i] = i <= pref ? i : -@@ -748,9 +770,10 @@ unravel(int p) +@@ -748,9 +780,10 @@ unravel(int p) static void check(char *file1, FILE *f1, char *file2, FILE *f2) { @@ -1148,7 +1164,7 @@ rewind(f1); rewind(f2); j = 1; -@@ -766,7 +789,7 @@ check(char *file1, FILE *f1, char *file2 +@@ -766,7 +799,7 @@ check(char *file1, FILE *f1, char *file2 ixnew[j] = ctnew += skipline(f2); j++; } @@ -1157,7 +1173,7 @@ for (;;) { c = getc(f1); d = getc(f2); -@@ -781,6 +804,7 @@ check(char *file1, FILE *f1, char *file2 +@@ -781,6 +814,7 @@ check(char *file1, FILE *f1, char *file2 } ctold++; ctnew++; @@ -1165,7 +1181,7 @@ if (bflag && isspace(c) && isspace(d)) { do { if (c == '\n') -@@ -792,6 +816,7 @@ check(char *file1, FILE *f1, char *file2 +@@ -792,6 +826,7 @@ check(char *file1, FILE *f1, char *file2 break; ctnew++; } while (isspace(d = getc(f2))); @@ -1173,7 +1189,7 @@ } else if (wflag) { while (isspace(c) && c != '\n') { c = getc(f1); -@@ -801,31 +826,55 @@ check(char *file1, FILE *f1, char *file2 +@@ -801,31 +836,55 @@ check(char *file1, FILE *f1, char *file2 d = getc(f2); ctnew++; } @@ -1250,7 +1266,7 @@ if (chrtran[c] != chrtran[d]) { jackpot++; J[i] = 0; -@@ -872,7 +921,7 @@ static void +@@ -872,7 +931,7 @@ static void sort(struct line *a, int n) { struct line *ai, *aim, w; @@ -1259,7 +1275,7 @@ if (n == 0) return; -@@ -916,7 +965,7 @@ unsort(struct line *f, int l, int *b) +@@ -916,7 +975,7 @@ unsort(struct line *f, int l, int *b) static int skipline(FILE *f) { @@ -1268,7 +1284,7 @@ for (i = 1; (c = getc(f)) != '\n' && c != EOF; i++) continue; -@@ -926,7 +975,7 @@ skipline(FILE *f) +@@ -926,7 +985,7 @@ skipline(FILE *f) static void output(char *file1, FILE *f1, char *file2, FILE *f2, int flags) { @@ -1277,7 +1293,7 @@ rewind(f1); rewind(f2); -@@ -965,7 +1014,7 @@ output(char *file1, FILE *f1, char *file +@@ -965,7 +1024,7 @@ output(char *file1, FILE *f1, char *file #define c i0 if ((c = getc(f1)) == EOF) return; @@ -1286,7 +1302,7 @@ } #undef c } -@@ -980,6 +1029,7 @@ output(char *file1, FILE *f1, char *file +@@ -980,6 +1039,7 @@ output(char *file1, FILE *f1, char *file static void range(int a, int b, char *separator) { @@ -1294,7 +1310,7 @@ printf("%d", a > b ? b : a); if (a < b) printf("%s%d", separator, b); -@@ -988,6 +1038,7 @@ range(int a, int b, char *separator) +@@ -988,6 +1048,7 @@ range(int a, int b, char *separator) static void uni_range(int a, int b) { @@ -1302,7 +1318,7 @@ if (a < b) printf("%d,%d", a, b - a + 1); else if (a == b) -@@ -999,22 +1050,22 @@ uni_range(int a, int b) +@@ -999,22 +1060,22 @@ uni_range(int a, int b) static char * preadline(int fd, size_t len, off_t off) { @@ -1329,7 +1345,7 @@ ret = regexec(&ignore_re, line, 0, NULL, 0); free(line); -@@ -1032,10 +1083,10 @@ static void +@@ -1032,10 +1093,10 @@ static void change(char *file1, FILE *f1, char *file2, FILE *f2, int a, int b, int c, int d, int *pflags) { @@ -1343,7 +1359,7 @@ if (format != D_IFDEF && a > b && c > d) return; if (ignore_pats != NULL) { -@@ -1050,7 +1101,7 @@ restart: +@@ -1050,7 +1111,7 @@ restart: line = preadline(fileno(f1), ixold[i] - ixold[i - 1], ixold[i - 1]); if (!ignoreline(line)) @@ -1352,7 +1368,7 @@ } } if (a > b || c <= d) { /* Changes and inserts. */ -@@ -1058,12 +1109,12 @@ restart: +@@ -1058,12 +1119,12 @@ restart: line = preadline(fileno(f2), ixnew[i] - ixnew[i - 1], ixnew[i - 1]); if (!ignoreline(line)) @@ -1367,7 +1383,7 @@ if (*pflags & D_HEADER) { printf("%s %s %s\n", diffargs, file1, file2); *pflags &= ~D_HEADER; -@@ -1113,15 +1164,15 @@ proceed: +@@ -1113,15 +1174,15 @@ proceed: case D_NORMAL: case D_EDIT: range(a, b, ","); @@ -1387,7 +1403,7 @@ break; case D_NREVERSE: if (a > b) -@@ -1137,7 +1188,7 @@ proceed: +@@ -1137,7 +1198,7 @@ proceed: if (format == D_NORMAL || format == D_IFDEF) { fetch(ixold, a, b, f1, '<', 1); if (a <= b && c <= d && format == D_NORMAL) @@ -1396,7 +1412,7 @@ } i = fetch(ixnew, c, d, f2, format == D_NORMAL ? '>' : '\0', 0); if (i != 0 && format == D_EDIT) { -@@ -1148,14 +1199,14 @@ proceed: +@@ -1148,14 +1209,14 @@ proceed: * it. We have to add a substitute command to change this * back and restart where we left off. */ @@ -1414,7 +1430,7 @@ if (inifdef) { printf("#endif /* %s */\n", ifdefname); inifdef = 0; -@@ -1165,8 +1216,8 @@ proceed: +@@ -1165,8 +1226,8 @@ proceed: static int fetch(long *f, int a, int b, FILE *lb, int ch, int oldfile) { @@ -1425,7 +1441,7 @@ /* * When doing #ifdef's, copy down to current line -@@ -1177,7 +1228,7 @@ fetch(long *f, int a, int b, FILE *lb, i +@@ -1177,7 +1238,7 @@ fetch(long *f, int a, int b, FILE *lb, i /* print through if append (a>b), else to (nb: 0 vs 1 orig) */ nc = f[a > b ? b : a - 1] - curpos; for (i = 0; i < nc; i++) @@ -1434,7 +1450,7 @@ } if (a > b) return (0); -@@ -1197,12 +1248,12 @@ fetch(long *f, int a, int b, FILE *lb, i +@@ -1197,12 +1258,12 @@ fetch(long *f, int a, int b, FILE *lb, i fseek(lb, f[i - 1], SEEK_SET); nc = f[i] - f[i - 1]; if (format != D_IFDEF && ch != '\0') { @@ -1450,7 +1466,7 @@ } col = 0; for (j = 0, lastc = '\0'; j < nc; j++, lastc = c) { -@@ -1211,13 +1262,13 @@ fetch(long *f, int a, int b, FILE *lb, i +@@ -1211,13 +1272,13 @@ fetch(long *f, int a, int b, FILE *lb, i format == D_NREVERSE) warnx("No newline at end of file"); else @@ -1466,7 +1482,7 @@ } while (++col < newcol); } else { if (format == D_EDIT && j == 1 && c == '\n' -@@ -1229,10 +1280,10 @@ fetch(long *f, int a, int b, FILE *lb, i +@@ -1229,10 +1290,10 @@ fetch(long *f, int a, int b, FILE *lb, i * giving the caller an offset * from which to restart. */ @@ -1479,7 +1495,7 @@ col++; } } -@@ -1246,8 +1297,8 @@ fetch(long *f, int a, int b, FILE *lb, i +@@ -1246,8 +1307,8 @@ fetch(long *f, int a, int b, FILE *lb, i static int readhash(FILE *f) { @@ -1490,7 +1506,7 @@ sum = 1; space = 0; -@@ -1305,20 +1356,28 @@ readhash(FILE *f) +@@ -1305,20 +1366,28 @@ readhash(FILE *f) return (sum == 0 ? 1 : sum); } @@ -1526,7 +1542,7 @@ return (1); } -@@ -1327,10 +1386,10 @@ asciifile(FILE *f) +@@ -1327,10 +1396,10 @@ asciifile(FILE *f) static char * match_function(const long *f, int pos, FILE *file) { @@ -1541,7 +1557,7 @@ lastline = pos; while (pos > last) { -@@ -1342,7 +1401,6 @@ match_function(const long *f, int pos, F +@@ -1342,7 +1411,6 @@ match_function(const long *f, int pos, F if (nc > 0) { buf[nc] = '\0'; buf[strcspn(buf, "\n")] = '\0'; @@ -1549,7 +1565,7 @@ if (isalpha(buf[0]) || buf[0] == '_' || buf[0] == '$') { if (begins_with(buf, "private:")) { if (!state) -@@ -1373,9 +1431,9 @@ static void +@@ -1373,9 +1441,9 @@ static void dump_context_vec(FILE *f1, FILE *f2) { struct context_vec *cvp = context_vec_start; @@ -1562,7 +1578,7 @@ if (context_vec_start > context_vec_ptr) return; -@@ -1390,8 +1448,8 @@ dump_context_vec(FILE *f1, FILE *f2) +@@ -1390,8 +1458,8 @@ dump_context_vec(FILE *f1, FILE *f2) if (pflag) { f = match_function(ixold, lowa-1, f1); if (f != NULL) { @@ -1573,7 +1589,7 @@ } } printf("\n*** "); -@@ -1478,9 +1536,9 @@ static void +@@ -1478,9 +1546,9 @@ static void dump_unified_vec(FILE *f1, FILE *f2) { struct context_vec *cvp = context_vec_start; @@ -1586,7 +1602,7 @@ if (context_vec_start > context_vec_ptr) return; -@@ -1491,19 +1549,19 @@ dump_unified_vec(FILE *f1, FILE *f2) +@@ -1491,19 +1559,19 @@ dump_unified_vec(FILE *f1, FILE *f2) lowc = MAX(1, cvp->c - context); upd = MIN(len[1], context_vec_ptr->d + context); @@ -1612,7 +1628,7 @@ /* * Output changes in "unified" diff format--the old and new lines -@@ -1551,16 +1609,43 @@ dump_unified_vec(FILE *f1, FILE *f2) +@@ -1551,16 +1619,43 @@ dump_unified_vec(FILE *f1, FILE *f2) static void print_header(const char *file1, const char *file2) { @@ -1662,3 +1678,15 @@ + printf("%s %s\t%s\n", format == D_CONTEXT ? "---" : "+++", + file2, buf2); } +diff -rupN diff-orig/Makefile diff/Makefile +--- diff-orig/Makefile 2012-07-25 11:37:23.300991134 -0400 ++++ diff/Makefile 2012-07-25 11:40:31.643987623 -0400 +@@ -3,7 +3,7 @@ + + DEBUG_FLAGS+= -g + +-PROG= diff ++PROG= diff xdiff + SRCS= diff.c diffdir.c diffreg.c + CFLAGS+= -std=c99 -Wall -pedantic +
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