Added regexp support, fixed Changelog.

This commit is contained in:
Eric Andersen
1999-10-22 04:30:20 +00:00
parent c49960189a
commit aa0765e11b
10 changed files with 1005 additions and 197 deletions

View File

@ -21,14 +21,15 @@
*
*/
#include "internal.h"
#include "regexp.h"
#include <stdio.h>
#include <unistd.h>
#include <dirent.h>
#include "internal.h"
static char* pattern=NULL;
static char* directory=NULL;
static char* directory=".";
static int dereferenceFlag=FALSE;
static const char find_usage[] = "find [path...] [expression]\n"
@ -41,7 +42,7 @@ static int fileAction(const char *fileName, struct stat* statbuf)
{
if (pattern==NULL)
fprintf(stdout, "%s\n", fileName);
else if (match(fileName, pattern) == TRUE)
else if (find_match(fileName, pattern, TRUE) == TRUE)
fprintf(stdout, "%s\n", fileName);
return( TRUE);
}
@ -53,7 +54,7 @@ static int dirAction(const char *fileName, struct stat* statbuf)
if (pattern==NULL)
fprintf(stdout, "%s\n", fileName);
else if (match(fileName, pattern) == TRUE)
else if (find_match(fileName, pattern, TRUE) == TRUE)
fprintf(stdout, "%s\n", fileName);
dir = opendir( fileName);
@ -71,22 +72,18 @@ static int dirAction(const char *fileName, struct stat* statbuf)
int find_main(int argc, char **argv)
{
if (argc <= 1) {
dirAction( ".", NULL);
}
/* peel off the "find" */
argc--;
argv++;
if (**argv != '-') {
if ( argc > 0 && **argv != '-') {
directory=*argv;
argc--;
argv++;
}
/* Parse any options */
while (**argv == '-') {
while (argc > 0 && **argv == '-') {
int stopit=FALSE;
while (*++(*argv) && stopit==FALSE) switch (**argv) {
case 'f':
@ -120,6 +117,10 @@ int find_main(int argc, char **argv)
break;
}
dirAction( directory, NULL);
if (recursiveAction(directory, TRUE, FALSE, FALSE,
fileAction, fileAction) == FALSE) {
exit( FALSE);
}
exit(TRUE);
}

View File

@ -22,6 +22,7 @@
*/
#include "internal.h"
#include "regexp.h"
#include <stdio.h>
#include <dirent.h>
#include <errno.h>
@ -30,44 +31,17 @@
#include <time.h>
#include <ctype.h>
static const char grep_usage[] =
"grep [-ihn]... PATTERN [FILE]...\n"
"Search for PATTERN in each FILE or standard input.\n\n"
"\t-h\tsuppress the prefixing filename on output\n"
"\t-i\tignore case distinctions\n"
"\t-n\tprint line number with output lines\n\n"
#if defined BB_REGEXP
"This version of grep matches full regexps.\n";
#else
"This version of grep matches strings (not full regexps).\n";
/*
* See if the specified needle is found in the specified haystack.
*/
static int search (const char *haystack, const char *needle, int ignoreCase)
{
if (ignoreCase == FALSE) {
haystack = strstr (haystack, needle);
if (haystack == NULL)
return FALSE;
return TRUE;
} else {
int i;
char needle1[BUF_SIZE];
char haystack1[BUF_SIZE];
strncpy( haystack1, haystack, sizeof(haystack1));
strncpy( needle1, needle, sizeof(needle1));
for( i=0; i<sizeof(haystack1) && haystack1[i]; i++)
haystack1[i]=tolower( haystack1[i]);
for( i=0; i<sizeof(needle1) && needle1[i]; i++)
needle1[i]=tolower( needle1[i]);
haystack = strstr (haystack1, needle1);
if (haystack == NULL)
return FALSE;
return TRUE;
}
}
#endif
extern int grep_main (int argc, char **argv)
@ -80,7 +54,7 @@ extern int grep_main (int argc, char **argv)
int ignoreCase=FALSE;
int tellLine=FALSE;
long line;
char buf[BUF_SIZE];
char haystack[BUF_SIZE];
ignoreCase = FALSE;
tellLine = FALSE;
@ -128,21 +102,21 @@ extern int grep_main (int argc, char **argv)
line = 0;
while (fgets (buf, sizeof (buf), fp)) {
while (fgets (haystack, sizeof (haystack), fp)) {
line++;
cp = &buf[strlen (buf) - 1];
cp = &haystack[strlen (haystack) - 1];
if (*cp != '\n')
fprintf (stderr, "%s: Line too long\n", name);
if (search (buf, needle, ignoreCase)==TRUE) {
if (find_match(haystack, needle, ignoreCase) == TRUE) {
if (tellName==TRUE)
printf ("%s: ", name);
if (tellLine==TRUE)
printf ("%ld: ", line);
fputs (buf, stdout);
fputs (haystack, stdout);
}
}