diff options
Diffstat (limited to 'shell')
| -rw-r--r-- | shell/hush.c | 45 | ||||
| -rwxr-xr-x | shell/hush_leaktool.sh | 16 | ||||
| -rw-r--r-- | shell/hush_test/hush-trap/catch.right | 1 | ||||
| -rwxr-xr-x | shell/hush_test/hush-z_slow/leak_all1.tests | 2 |
4 files changed, 42 insertions, 22 deletions
diff --git a/shell/hush.c b/shell/hush.c index c542b7d..2c2750f 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -4459,10 +4459,6 @@ static int done_word(o_string *word, struct parse_context *ctx) } } command->argv = add_string_to_strings(command->argv, xstrdup(word->data)); -//SEGV, but good idea. -// command->argv = add_string_to_strings(command->argv, word->data); -// word->data = NULL; -// word->length = 0; debug_print_strings("word appended to argv", command->argv); } @@ -5481,14 +5477,16 @@ static struct pipe *parse_stream(char **pstring, * } is an ordinary char in this case, even inside { cmd; } * Pathological example: { ""}; } should exec "}" cmd */ - if (ch == '}' - && !(IS_NULL_PIPE(ctx.pipe) - && IS_NULL_CMD(ctx.command) - && dest.length == 0 - && !dest.o_quoted - ) - ) { - goto ordinary_char; + if (ch == '}') { + if (!IS_NULL_CMD(ctx.command) /* cmd } */ + || dest.length != 0 /* word} */ + || dest.o_quoted /* ""} */ + ) { + goto ordinary_char; + } + if (!IS_NULL_PIPE(ctx.pipe)) /* cmd | } */ + goto skip_end_trigger; + /* else: } does terminate a group */ } if (end_trigger && end_trigger == ch @@ -5531,6 +5529,7 @@ static struct pipe *parse_stream(char **pstring, return ctx.list_head; } } + skip_end_trigger: if (is_ifs) continue; @@ -6420,12 +6419,11 @@ static int builtin_export(char **argv) } do { - const char *value; char *name = *argv; - value = strchr(name, '='); - if (!value) { - /* They are exporting something without a =VALUE */ + /* So far we do not check that name is valid */ + if (strchr(name, '=') == NULL) { + /* Exporting a name without a =VALUE */ struct variable *var; var = get_local_var(name); @@ -6433,12 +6431,19 @@ static int builtin_export(char **argv) var->flg_export = 1; debug_printf_env("%s: putenv '%s'\n", __func__, var->varstr); putenv(var->varstr); + continue; } - /* bash does not return an error when trying to export - * an undefined variable. Do likewise. */ - continue; + /* Exporting non-existing variable. + * bash does not put it in environment, + * but remembers that it is exported, + * and does put it in env when it is set later. + * We just set it to "" and export. */ + name = xasprintf("%s=", name); + } else { + /* Exporting VAR=VALUE */ + name = xstrdup(name); } - set_local_var(xstrdup(name), 1, 0); + set_local_var(name, 1, 0); } while (*++argv); return EXIT_SUCCESS; diff --git a/shell/hush_leaktool.sh b/shell/hush_leaktool.sh index f8e47ae..ca35ec1 100755 --- a/shell/hush_leaktool.sh +++ b/shell/hush_leaktool.sh @@ -6,8 +6,20 @@ output=output freelist=`grep 'free 0x' "$output" | cut -d' ' -f2 | sort | uniq | xargs` grep -v free "$output" >"$output.leaked" + +i=8 +list= for freed in $freelist; do - echo Dropping $freed - grep -v $freed <"$output.leaked" >"$output.temp" + list="$list -e $freed" + test $((--i)) != 0 && continue + echo Dropping $list + grep -F -v $list <"$output.leaked" >"$output.temp" mv "$output.temp" "$output.leaked" + i=8 + list= done +if test "$list"; then + echo Dropping $list + grep -F -v $list <"$output.leaked" >"$output.temp" + mv "$output.temp" "$output.leaked" +fi diff --git a/shell/hush_test/hush-trap/catch.right b/shell/hush_test/hush-trap/catch.right index 9e34c4c..80a062c 100644 --- a/shell/hush_test/hush-trap/catch.right +++ b/shell/hush_test/hush-trap/catch.right @@ -2,3 +2,4 @@ sending USR2 caught sending USR2 sending USR2 +USR2 diff --git a/shell/hush_test/hush-z_slow/leak_all1.tests b/shell/hush_test/hush-z_slow/leak_all1.tests index 21fdb0d..17ce0c6 100755 --- a/shell/hush_test/hush-z_slow/leak_all1.tests +++ b/shell/hush_test/hush-z_slow/leak_all1.tests @@ -67,6 +67,7 @@ HERE f >/dev/null : $((i++)) done +unset -f f memleak @@ -133,6 +134,7 @@ HERE f >/dev/null : $((i++)) done +unset -f f memleak |