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-rw-r--r--editors/diff.c5
-rw-r--r--findutils/grep.c12
-rwxr-xr-xtestsuite/grep.tests4
3 files changed, 13 insertions, 8 deletions
diff --git a/editors/diff.c b/editors/diff.c
index eac4b08..4e51f6f 100644
--- a/editors/diff.c
+++ b/editors/diff.c
@@ -1021,11 +1021,12 @@ static unsigned diffreg(char *file1, char *file2, int flags)
rval = D_SAME;
if (flags & D_EMPTY1)
- f1 = xfopen(bb_dev_null, "r");
+ /* can't be stdin, but xfopen_stdin() is smaller code */
+ f1 = xfopen_stdin(bb_dev_null);
else
f1 = xfopen_stdin(file1);
if (flags & D_EMPTY2)
- f2 = xfopen(bb_dev_null, "r");
+ f2 = xfopen_stdin(bb_dev_null);
else
f2 = xfopen_stdin(file2);
diff --git a/findutils/grep.c b/findutils/grep.c
index 6af1b46..fc78938 100644
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -126,7 +126,7 @@ struct globals {
typedef struct grep_list_data_t {
char *pattern;
regex_t preg;
-#define PATTERN_MEM_A 1
+#define ALLOCATED 1
#define COMPILED 2
int flg_mem_alocated_compiled;
} grep_list_data_t;
@@ -363,10 +363,10 @@ static void load_regexes_from_file(llist_t *fopt)
fopt = cur->link;
free(cur);
- f = xfopen(ffile, "r");
+ f = xfopen_stdin(ffile);
while ((line = xmalloc_fgetline(f)) != NULL) {
llist_add_to(&pattern_head,
- new_grep_list_data(line, PATTERN_MEM_A));
+ new_grep_list_data(line, ALLOCATED));
}
}
}
@@ -486,7 +486,7 @@ int grep_main(int argc, char **argv)
argc--;
}
- /* argv[(optind)..(argc-1)] should be names of file to grep through. If
+ /* argv[0..(argc-1)] should be names of file to grep through. If
* there is more than one file to grep, we will print the filenames. */
if (argc > 1)
print_filename = 1;
@@ -535,9 +535,9 @@ int grep_main(int argc, char **argv)
grep_list_data_t *gl = (grep_list_data_t *)pattern_head_ptr->data;
pattern_head = pattern_head->link;
- if ((gl->flg_mem_alocated_compiled & PATTERN_MEM_A))
+ if (gl->flg_mem_alocated_compiled & ALLOCATED)
free(gl->pattern);
- if ((gl->flg_mem_alocated_compiled & COMPILED))
+ if (gl->flg_mem_alocated_compiled & COMPILED)
regfree(&(gl->preg));
free(gl);
free(pattern_head_ptr);
diff --git a/testsuite/grep.tests b/testsuite/grep.tests
index 34c0fe4..b2de2af 100755
--- a/testsuite/grep.tests
+++ b/testsuite/grep.tests
@@ -78,6 +78,10 @@ testing "grep handles multiple regexps" "grep -e one -e two input ; echo \$?" \
testing "grep -F handles multiple expessions" "grep -F -e one -e two input ; echo \$?" \
"one\ntwo\n0\n" "one\ntwo\n" ""
+# -f file/-
+testing "grep can read regexps from stdin" "grep -f - input ; echo \$?" \
+ "two\nthree\n0\n" "tw\ntwo\nthree\n" "tw.\nthr\n"
+
optional FEATURE_GREP_EGREP_ALIAS
testing "grep -E supports extended regexps" "grep -E fo+" "foo\n" "" \
"b\ar\nfoo\nbaz"