Busybox 1.21.0 squashed commit for jellybean
Change-Id: I423c7fc1254050c6495126b1b18dd33af07fed6b
Signed-off-by: Tanguy Pruvot <tanguy.pruvot@gmail.com>
diff --git a/findutils/grep.c b/findutils/grep.c
index 78be704..a64a735 100644
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -344,10 +344,34 @@
while (pattern_ptr) {
gl = (grep_list_data_t *)pattern_ptr->data;
if (FGREP_FLAG) {
- found |= (((option_mask32 & OPT_i)
- ? strcasestr(line, gl->pattern)
- : strstr(line, gl->pattern)
- ) != NULL);
+ char *match;
+ char *str = line;
+ opt_f_again:
+ match = ((option_mask32 & OPT_i)
+ ? strcasestr(str, gl->pattern)
+ : strstr(str, gl->pattern)
+ );
+ if (match) {
+ if (option_mask32 & OPT_x) {
+ if (match != str)
+ goto opt_f_not_found;
+ if (str[strlen(gl->pattern)] != '\0')
+ goto opt_f_not_found;
+ } else
+ if (option_mask32 & OPT_w) {
+ char c = (match != str) ? match[-1] : ' ';
+ if (!isalnum(c) && c != '_') {
+ c = match[strlen(gl->pattern)];
+ if (!c || (!isalnum(c) && c != '_'))
+ goto opt_f_found;
+ }
+ str = match + 1;
+ goto opt_f_again;
+ }
+ opt_f_found:
+ found = 1;
+ opt_f_not_found: ;
+ }
} else {
if (!(gl->flg_mem_alocated_compiled & COMPILED)) {
gl->flg_mem_alocated_compiled |= COMPILED;
@@ -376,7 +400,8 @@
if (option_mask32 & OPT_x) {
found = (gl->matched_range.rm_so == 0
&& line[gl->matched_range.rm_eo] == '\0');
- } else if (!(option_mask32 & OPT_w)) {
+ } else
+ if (!(option_mask32 & OPT_w)) {
found = 1;
} else {
char c = ' ';
@@ -387,6 +412,8 @@
if (!c || (!isalnum(c) && c != '_'))
found = 1;
}
+//BUG: "echo foop foo | grep -w foo" should match, but doesn't:
+//we bail out on first "mismatch" because it's not a word.
}
}
}
@@ -638,7 +665,7 @@
if (opts & OPT_C) {
/* -C unsets prev -A and -B, but following -A or -B
- may override it */
+ * may override it */
if (!(opts & OPT_A)) /* not overridden */
lines_after = Copt;
if (!(opts & OPT_B)) /* not overridden */