Fix a bug pointed out by Michal Jaegermann <michal@ellpspace.math.ualberta.ca>
where you used to see:
./grep -q -i B some_file
B: No such file or directory
This is now fixed.
-Erik
diff --git a/grep.c b/grep.c
index bb1a146..1272a46 100644
--- a/grep.c
+++ b/grep.c
@@ -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 @@
extern int grep_main(int argc, char **argv)
{
FILE *fp;
- char *cp;
char *needle;
char *fileName;
int tellName = TRUE;
@@ -100,18 +102,14 @@
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 @@
default:
usage(grep_usage);
}
+ }
+ argv++;
+ }
+
+ if (argc == 0 || *argv == NULL) {
+ fatalError(too_few_args, "grep");
}
needle = *argv++;