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| author | M. Farkas-Dyck <strake888@gmail.com> | 2013-08-01 15:46:45 -0500 |
|---|---|---|
| committer | M. Farkas-Dyck <strake888@gmail.com> | 2013-08-01 15:46:45 -0500 |
| commit | 1fa68247345fa6e2cefe4fb4d88ef75f614b18c4 (patch) | |
| tree | dd8203ea3a7c8a36991636eef3eb43564d27dcc4 /toys/pending/grep.c | |
| parent | 3595eff0bfb6fd66f990d872ed16a5d565c77fc5 (diff) | |
| download | toybox-1fa68247345fa6e2cefe4fb4d88ef75f614b18c4.tar.gz | |
Found the fault. My method of -w fails sans -E, so I just disallow it.
Kernel build never uses -w sans -E anyhow.
Diffstat (limited to 'toys/pending/grep.c')
| -rw-r--r-- | toys/pending/grep.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/toys/pending/grep.c b/toys/pending/grep.c index ae38988f..8810580b 100644 --- a/toys/pending/grep.c +++ b/toys/pending/grep.c @@ -46,7 +46,7 @@ GLOBALS( ) static void do_grep (int fd, char *name) { - int n = 0, nMatch = 0; + int n = 0, nMatch = 0, which = toys.optflags & FLAG_w ? 2 : 0; for (;;) { char *x, *y; @@ -75,11 +75,11 @@ static void do_grep (int fd, char *name) { if (!(toys.optflags & FLAG_h)) printf ("%s:", name); if ( (toys.optflags & FLAG_n)) printf ("%d:", n); if ( (toys.optflags & FLAG_b)) printf ("%ld:", lseek (0, 0, SEEK_CUR) - strlen (y) + - (toys.optflags & FLAG_o ? matches[2].rm_so : 0)); + (toys.optflags & FLAG_o ? matches[which].rm_so : 0)); if (!(toys.optflags & FLAG_o)) fputs (x, stdout); else { - y += matches[2].rm_so; - printf ("%.*s\n", matches[2].rm_eo - matches[2].rm_so, y++); + y += matches[which].rm_so; + printf ("%.*s\n", matches[which].rm_eo - matches[which].rm_so, y++); } } if (!(toys.optflags & FLAG_o)) break; @@ -145,7 +145,7 @@ void buildRE (void) { toys.optc--; toys.optargs++; } - TT.re_xs = xmsprintf (toys.optflags & FLAG_w ? "(^|[^_[:alnum:]])(%s)($|[^_[:alnum:]])" : "()(%s)()", TT.re_xs); + TT.re_xs = xmsprintf (toys.optflags & FLAG_w ? "(^|[^_[:alnum:]])(%s)($|[^_[:alnum:]])" : "%s", TT.re_xs); if (regcomp (&re, TT.re_xs, (toys.optflags & (FLAG_E | FLAG_F) ? REG_EXTENDED : 0) | @@ -156,6 +156,8 @@ void buildRE (void) { } void grep_main (void) { + if (toys.optflags & FLAG_w && !(toys.optflags & FLAG_E || toys.optflags & FLAG_F)) error_exit ("must not use -w sans -E"); + buildRE (); if (toys.optflags & FLAG_c) TT.mode = 'c'; |