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Fix a bug pointed out by Michal Jaegermann <michal@ellpspace.math.ualberta.ca>

Browse Source 
where you used to see:
      ./grep -q -i B some_file
      B: No such file or directory
This is now fixed.
 -Erik
This commit is contained in:
Eric Andersen 2000-06-13 06:24:53 +00:00
parent baf22bff21
commit 053b1462b7
3 changed files with 27 additions and 18 deletions
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1
Changelog
View File

@ -78,6 +78,7 @@
for helping track this one down.
* More doc updates
* Fixed grep "Line too long" problem -- John Beppu
* Fixed 'grep -q -i B some_file' so it works
* math takes input from stdin if no args are given. -- John Beppu

22
findutils/grep.c
View File

@ -39,6 +39,9 @@
#include <signal.h>
#include <time.h>
#include <ctype.h>
#define BB_DECLARE_EXTERN
#define bb_need_too_few_args
#include "messages.c"
static const char grep_usage[] =
"grep [OPTIONS]... PATTERN [FILE]...\n"
@ -92,7 +95,6 @@ static void do_grep(FILE * fp, char *needle, char *fileName, int tellName,
extern int grep_main(int argc, char **argv)
{
FILE *fp;
char *cp;
char *needle;
char *fileName;
int tellName = TRUE;
@ -100,18 +102,14 @@ extern int grep_main(int argc, char **argv)
int tellLine = FALSE;
int invertSearch = FALSE;
argc--;
argv++;
if (argc < 1) {
usage(grep_usage);
}
argv++;
if (**argv == '-') {
argc--;
cp = *argv++;
while (*++cp)
switch (*cp) {
while (--argc >= 0 && *argv && (**argv == '-')) {
while (*++(*argv)) {
switch (**argv) {
case 'i':
ignoreCase = TRUE;
break;
@ -135,6 +133,12 @@ extern int grep_main(int argc, char **argv)
default:
usage(grep_usage);
}
}
argv++;
}
if (argc == 0 || *argv == NULL) {
fatalError(too_few_args, "grep");
}
needle = *argv++;

22
grep.c
View File

@ -39,6 +39,9 @@
#include <signal.h>
#include <time.h>
#include <ctype.h>
#define BB_DECLARE_EXTERN
#define bb_need_too_few_args
#include "messages.c"
static const char grep_usage[] =
"grep [OPTIONS]... PATTERN [FILE]...\n"
@ -92,7 +95,6 @@ static void do_grep(FILE * fp, char *needle, char *fileName, int tellName,
extern int grep_main(int argc, char **argv)
{
FILE *fp;
char *cp;
char *needle;
char *fileName;
int tellName = TRUE;
@ -100,18 +102,14 @@ extern int grep_main(int argc, char **argv)
int tellLine = FALSE;
int invertSearch = FALSE;
argc--;
argv++;
if (argc < 1) {
usage(grep_usage);
}
argv++;
if (**argv == '-') {
argc--;
cp = *argv++;
while (*++cp)
switch (*cp) {
while (--argc >= 0 && *argv && (**argv == '-')) {
while (*++(*argv)) {
switch (**argv) {
case 'i':
ignoreCase = TRUE;
break;
@ -135,6 +133,12 @@ extern int grep_main(int argc, char **argv)
default:
usage(grep_usage);
}
}
argv++;
}
if (argc == 0 || *argv == NULL) {
fatalError(too_few_args, "grep");
}
needle = *argv++;