diff options
author | Kyle Evans <kevans@FreeBSD.org> | 2018-06-08 01:25:07 +0000 |
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committer | Kyle Evans <kevans@FreeBSD.org> | 2018-06-08 01:25:07 +0000 |
commit | bd60b9b4993e823fc857f03f7f11c9ad1204ba2e (patch) | |
tree | 95fcab1737e86d9c9a844ae74b669a291e3b17b5 /usr.bin/grep | |
parent | c9ca1a70cce29057168692f5a3bdeedfee4faacc (diff) | |
download | src-test2-bd60b9b4993e823fc857f03f7f11c9ad1204ba2e.tar.gz src-test2-bd60b9b4993e823fc857f03f7f11c9ad1204ba2e.zip |
Notes
Diffstat (limited to 'usr.bin/grep')
-rw-r--r-- | usr.bin/grep/file.c | 12 | ||||
-rw-r--r-- | usr.bin/grep/grep.h | 17 | ||||
-rw-r--r-- | usr.bin/grep/util.c | 21 |
3 files changed, 27 insertions, 23 deletions
diff --git a/usr.bin/grep/file.c b/usr.bin/grep/file.c index 560a568879b6..4653a45941d4 100644 --- a/usr.bin/grep/file.c +++ b/usr.bin/grep/file.c @@ -95,7 +95,7 @@ grep_lnbufgrow(size_t newlen) } char * -grep_fgetln(struct file *f, size_t *lenp) +grep_fgetln(struct file *f, struct parsec *pc) { unsigned char *p; char *ret; @@ -109,18 +109,18 @@ grep_fgetln(struct file *f, size_t *lenp) if (bufrem == 0) { /* Return zero length to indicate EOF */ - *lenp = 0; + pc->ln.len= 0; return (bufpos); } - /* Look for a newline in the remaining part of the buffer */ + /* Look for a newline in the remaining part of the [6rbuffer */ if ((p = memchr(bufpos, fileeol, bufrem)) != NULL) { ++p; /* advance over newline */ ret = bufpos; len = p - bufpos; bufrem -= len; bufpos = p; - *lenp = len; + pc->ln.len = len; return (ret); } @@ -155,11 +155,11 @@ grep_fgetln(struct file *f, size_t *lenp) bufpos = p; break; } - *lenp = len; + pc->ln.len = len; return (lnbuf); error: - *lenp = 0; + pc->ln.len = 0; return (NULL); } diff --git a/usr.bin/grep/grep.h b/usr.bin/grep/grep.h index b2c16e8767d7..6d1e87ae4d7c 100644 --- a/usr.bin/grep/grep.h +++ b/usr.bin/grep/grep.h @@ -97,6 +97,21 @@ struct epat { int mode; }; +/* + * Parsing context; used to hold things like matches made and + * other useful bits + */ +struct parsec { + regmatch_t matches[MAX_MATCHES]; /* Matches made */ + /* XXX TODO: This should be a chunk, not a line */ + struct str ln; /* Current line */ + size_t lnstart; /* Position in line */ + size_t matchidx; /* Latest match index */ + int printed; /* Metadata printed? */ + bool binary; /* Binary file? */ + bool cntlines; /* Count lines? */ +}; + /* Flags passed to regcomp() and regexec() */ extern int cflags, eflags; @@ -141,4 +156,4 @@ void clearqueue(void); /* file.c */ void grep_close(struct file *f); struct file *grep_open(const char *path); -char *grep_fgetln(struct file *f, size_t *len); +char *grep_fgetln(struct file *f, struct parsec *pc); diff --git a/usr.bin/grep/util.c b/usr.bin/grep/util.c index 5278859c73e8..c92d08ef69a5 100644 --- a/usr.bin/grep/util.c +++ b/usr.bin/grep/util.c @@ -57,20 +57,6 @@ __FBSDID("$FreeBSD$"); static bool first_match = true; /* - * Parsing context; used to hold things like matches made and - * other useful bits - */ -struct parsec { - regmatch_t matches[MAX_MATCHES]; /* Matches made */ - /* XXX TODO: This should be a chunk, not a line */ - struct str ln; /* Current line */ - size_t lnstart; /* Position in line */ - size_t matchidx; /* Latest match index */ - int printed; /* Metadata printed? */ - bool binary; /* Binary file? */ -}; - -/* * Match printing context */ struct mprintc { @@ -276,7 +262,7 @@ procmatches(struct mprintc *mc, struct parsec *pc, bool matched) if (mflag) { /* XXX TODO: Decrement by number of matched lines */ mcount -= 1; - if (mflag && mcount <= 0) + if (mcount <= 0) return (false); } } else if (mc->doctx) @@ -327,6 +313,7 @@ procfile(const char *fn) pc.ln.boff = 0; pc.ln.off = -1; pc.binary = f->binary; + pc.cntlines = false; memset(&mc, 0, sizeof(mc)); mc.printmatch = true; if ((pc.binary && binbehave == BINFILE_BIN) || cflag || qflag || @@ -334,6 +321,8 @@ procfile(const char *fn) mc.printmatch = false; if (mc.printmatch && (Aflag != 0 || Bflag != 0)) mc.doctx = true; + if (mc.printmatch && (Aflag != 0 || Bflag != 0 || mflag || nflag)) + pc.cntlines = true; mcount = mlimit; for (lines = 0; lines == 0 || !(lflag || qflag); ) { @@ -349,7 +338,7 @@ procfile(const char *fn) pc.ln.boff = 0; pc.ln.off += pc.ln.len + 1; /* XXX TODO: Grab a chunk */ - if ((pc.ln.dat = grep_fgetln(f, &pc.ln.len)) == NULL || + if ((pc.ln.dat = grep_fgetln(f, &pc)) == NULL || pc.ln.len == 0) break; |