diff options
Diffstat (limited to 'toys/posix/grep.c')
| -rw-r--r-- | toys/posix/grep.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/toys/posix/grep.c b/toys/posix/grep.c index c63c1f87..f0332cee 100644 --- a/toys/posix/grep.c +++ b/toys/posix/grep.c @@ -4,11 +4,11 @@ * * See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/grep.html * - * TODO: --color + * TODO: --color * * Posix doesn't even specify -r, documenting deviations from it is silly. -USE_GREP(NEWTOY(grep, "S(exclude)*M(include)*C#B#A#ZzEFHIabhinorsvwclqe*f*m#x[!wx][!EFw]", TOYFLAG_BIN)) +USE_GREP(NEWTOY(grep, "S(exclude)*M(include)*ZzEFHIabhinorsvwclqe*f*C#B#A#m#x[!wx][!EFw]", TOYFLAG_BIN)) USE_EGREP(OLDTOY(egrep, grep, TOYFLAG_BIN)) USE_FGREP(OLDTOY(fgrep, grep, TOYFLAG_BIN)) @@ -64,14 +64,8 @@ config FGREP #include <regex.h> GLOBALS( - long m; - struct arg_list *f; - struct arg_list *e; - long a; - long b; - long c; - struct arg_list *M; - struct arg_list *S; + long m, A, B, C; + struct arg_list *f, *e, *M, *S; char indelim, outdelim; int found; @@ -85,6 +79,7 @@ static void outline(char *line, char dash, char *name, long lcount, long bcount, if (!line || (lcount && (toys.optflags&FLAG_n))) printf("%ld%c", lcount, line ? dash : TT.outdelim); if (bcount && (toys.optflags&FLAG_b)) printf("%ld%c", bcount-1, dash); +// Support embedded NUL bytes in output if (line) xprintf("%.*s%c", trim, line, TT.outdelim); } @@ -246,7 +241,7 @@ static void do_grep(int fd, char *name) } outline(line, ':', name, lcount, bcount, -1); - if (TT.a) after = TT.a+1; + if (TT.A) after = TT.A+1; } else outline(start+matches.rm_so, ':', name, lcount, bcount, matches.rm_eo-matches.rm_so); } @@ -258,16 +253,16 @@ static void do_grep(int fd, char *name) if (mmatch) mcount++; else { - int discard = (after || TT.b); + int discard = (after || TT.B); if (after && --after) { outline(line, '-', name, lcount, 0, -1); discard = 0; } - if (discard && TT.b) { + if (discard && TT.B) { dlist_add(&dlb, line); line = 0; - if (++before>TT.b) { + if (++before>TT.B) { struct double_list *dl; dl = dlist_pop(&dlb); @@ -389,8 +384,8 @@ void grep_main(void) // Grep exits with 2 for errors toys.exitval = 2; - if (!TT.a) TT.a = TT.c; - if (!TT.b) TT.b = TT.c; + if (!TT.A) TT.A = TT.C; + if (!TT.B) TT.B = TT.C; TT.indelim = '\n' * !(toys.optflags&FLAG_z); TT.outdelim = '\n' * !(toys.optflags&FLAG_Z); |