Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756544AbdDHAwu (ORCPT ); Fri, 7 Apr 2017 20:52:50 -0400 Received: from mail-pg0-f67.google.com ([74.125.83.67]:34020 "EHLO mail-pg0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754434AbdDHAwf (ORCPT ); Fri, 7 Apr 2017 20:52:35 -0400 From: Taeung Song To: Arnaldo Carvalho de Melo Cc: linux-kernel@vger.kernel.org, Taeung Song , Jiri Olsa , Namhyung Kim Subject: [PATCH v2 1/5] perf annotate: Refactor the code to parse disassemble lines with {l,r}trim() Date: Sat, 8 Apr 2017 09:52:24 +0900 Message-Id: <1491612748-1605-2-git-send-email-treeze.taeung@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1491612748-1605-1-git-send-email-treeze.taeung@gmail.com> References: <1491612748-1605-1-git-send-email-treeze.taeung@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2989 Lines: 109 When parsing disassemble lines, use ltrim() and rtrim() to strip them, not using just while loop and isspace(). Cc: Jiri Olsa Cc: Namhyung Kim Signed-off-by: Taeung Song --- tools/perf/util/annotate.c | 42 +++++++----------------------------------- 1 file changed, 7 insertions(+), 35 deletions(-) diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index a37032b..5c9669f 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -379,9 +379,7 @@ static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map *m if (comment == NULL) return 0; - while (comment[0] != '\0' && isspace(comment[0])) - ++comment; - + comment = ltrim(comment); comment__symbol(ops->source.raw, comment, &ops->source.addr, &ops->source.name); comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); @@ -426,9 +424,7 @@ static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops if (comment == NULL) return 0; - while (comment[0] != '\0' && isspace(comment[0])) - ++comment; - + comment = ltrim(comment); comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); return 0; @@ -777,10 +773,7 @@ static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, str static int disasm_line__parse(char *line, const char **namep, char **rawp) { - char *name = line, tmp; - - while (isspace(name[0])) - ++name; + char tmp, *name = ltrim(line); if (name[0] == '\0') return -1; @@ -798,12 +791,7 @@ static int disasm_line__parse(char *line, const char **namep, char **rawp) goto out_free_name; (*rawp)[0] = tmp; - - if ((*rawp)[0] != '\0') { - (*rawp)++; - while (isspace((*rawp)[0])) - ++(*rawp); - } + *rawp = ltrim(*rawp); return 0; @@ -1148,7 +1136,7 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, { struct annotation *notes = symbol__annotation(sym); struct disasm_line *dl; - char *line = NULL, *parsed_line, *tmp, *tmp2, *c; + char *line = NULL, *parsed_line, *tmp, *tmp2; size_t line_len; s64 line_ip, offset = -1; regmatch_t match[2]; @@ -1159,15 +1147,8 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, if (!line) return -1; - while (line_len != 0 && isspace(line[line_len - 1])) - line[--line_len] = '\0'; - - c = strchr(line, '\n'); - if (c) - *c = 0; - line_ip = -1; - parsed_line = line; + parsed_line = rtrim(line); /* /filename:linenr ? Save line number and ignore. */ if (regexec(&file_lineno, line, 2, match, 0) == 0) { @@ -1175,16 +1156,7 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, return 0; } - /* - * Strip leading spaces: - */ - tmp = line; - while (*tmp) { - if (*tmp != ' ') - break; - tmp++; - } - + tmp = ltrim(parsed_line); if (*tmp) { /* * Parse hexa addresses followed by ':' -- 2.7.4