Date:   Thu, 20 Apr 2017 04:10:39 -0700
From:   tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     tglx@...utronix.de, adrian.hunter@...el.com, namhyung@...nel.org,
        mingo@...nel.org, linux-kernel@...r.kernel.org,
        wangnan0@...wei.com, jolsa@...nel.org, acme@...hat.com,
        dsahern@...il.com, hpa@...or.com
Subject: [tip:perf/core] perf tools: Move extra string util functions to
 util/string2.h

Commit-ID:  a067558e2fa72445e8f6e6b2dd372a82afae6e49
Gitweb:     http://git.kernel.org/tip/a067558e2fa72445e8f6e6b2dd372a82afae6e49
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Mon, 17 Apr 2017 16:51:59 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 19 Apr 2017 13:01:51 -0300

perf tools: Move extra string util functions to util/string2.h

Moving them from util.h, where they don't belong. Since libc already
have string.h, name it slightly differently, as string2.h.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/n/tip-eh3vz5sqxsrdd8lodoro4jrw@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/bench/mem-functions.c |  1 +
 tools/perf/builtin-script.c      |  1 +
 tools/perf/builtin-stat.c        |  1 +
 tools/perf/builtin-trace.c       |  1 +
 tools/perf/ui/browser.c          |  1 +
 tools/perf/ui/browsers/hists.c   |  1 +
 tools/perf/ui/gtk/hists.c        |  1 +
 tools/perf/ui/stdio/hist.c       |  1 +
 tools/perf/util/annotate.c       |  1 +
 tools/perf/util/dso.c            |  1 +
 tools/perf/util/dwarf-aux.c      |  1 +
 tools/perf/util/event.c          |  2 +-
 tools/perf/util/header.c         |  1 +
 tools/perf/util/parse-events.c   |  2 +-
 tools/perf/util/pmu.c            |  1 +
 tools/perf/util/probe-event.c    |  1 +
 tools/perf/util/probe-file.c     |  1 +
 tools/perf/util/probe-finder.c   |  1 +
 tools/perf/util/strfilter.c      |  2 +-
 tools/perf/util/string.c         | 16 +++++++++------
 tools/perf/util/string2.h        | 42 ++++++++++++++++++++++++++++++++++++++++
 tools/perf/util/thread_map.c     |  1 +
 tools/perf/util/util.h           | 32 ------------------------------
 23 files changed, 72 insertions(+), 41 deletions(-)

diff --git a/tools/perf/bench/mem-functions.c b/tools/perf/bench/mem-functions.c
index d1dea33..fbd732b 100644
--- a/tools/perf/bench/mem-functions.c
+++ b/tools/perf/bench/mem-functions.c
@@ -12,6 +12,7 @@
 #include <subcmd/parse-options.h>
 #include "../util/header.h"
 #include "../util/cloexec.h"
+#include "../util/string2.h"
 #include "bench.h"
 #include "mem-memcpy-arch.h"
 #include "mem-memset-arch.h"
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 5f4e36a..a710f68 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -21,6 +21,7 @@
 #include "util/cpumap.h"
 #include "util/thread_map.h"
 #include "util/stat.h"
+#include "util/string2.h"
 #include "util/thread-stack.h"
 #include "util/time-utils.h"
 #include "print_binary.h"
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 5abef25..1da86e6 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -64,6 +64,7 @@
 #include "util/session.h"
 #include "util/tool.h"
 #include "util/group.h"
+#include "util/string2.h"
 #include "asm/bug.h"
 
 #include <linux/time64.h>
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 9a8b9e6..4160d94 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -37,6 +37,7 @@
 #include "util/bpf-loader.h"
 #include "callchain.h"
 #include "print_binary.h"
+#include "string2.h"
 #include "syscalltbl.h"
 #include "rb_resort.h"
 
diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c
index 73bdd07..a4d3762 100644
--- a/tools/perf/ui/browser.c
+++ b/tools/perf/ui/browser.c
@@ -1,4 +1,5 @@
 #include "../util.h"
+#include "../string2.h"
 #include "../config.h"
 #include "../../perf.h"
 #include "libslang.h"
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index ac7f6a3..bc397bb 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -20,6 +20,7 @@
 #include "map.h"
 #include "annotate.h"
 #include "srcline.h"
+#include "string2.h"
 
 #include "sane_ctype.h"
 
diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c
index a4f02de..c42de4d 100644
--- a/tools/perf/ui/gtk/hists.c
+++ b/tools/perf/ui/gtk/hists.c
@@ -4,6 +4,7 @@
 #include "../sort.h"
 #include "../hist.h"
 #include "../helpline.h"
+#include "../string2.h"
 #include "gtk.h"
 
 #define MAX_COLUMNS			32
diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 66aa4eb..5565105 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -5,6 +5,7 @@
 #include "../../util/sort.h"
 #include "../../util/evsel.h"
 #include "../../util/srcline.h"
+#include "../../util/string2.h"
 #include "../../util/sane_ctype.h"
 
 static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index d69fdaf..297bf5c 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -19,6 +19,7 @@
 #include "annotate.h"
 #include "evsel.h"
 #include "block-range.h"
+#include "string2.h"
 #include "arch/common.h"
 #include <regex.h>
 #include <pthread.h>
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 385c82e..6ad5773 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -8,6 +8,7 @@
 #include "auxtrace.h"
 #include "util.h"
 #include "debug.h"
+#include "string2.h"
 #include "vdso.h"
 
 static const char * const debuglink_paths[] = {
diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c
index 5fb186d..780ee46 100644
--- a/tools/perf/util/dwarf-aux.c
+++ b/tools/perf/util/dwarf-aux.c
@@ -22,6 +22,7 @@
 #include "util.h"
 #include "debug.h"
 #include "dwarf-aux.h"
+#include "string2.h"
 
 /**
  * cu_find_realpath - Find the realpath of the target file
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index f8a706b..53b81b2 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -8,7 +8,7 @@
 #include "hist.h"
 #include "machine.h"
 #include "sort.h"
-#include "string.h"
+#include "string2.h"
 #include "strlist.h"
 #include "thread.h"
 #include "thread_map.h"
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index faf046f..51865b8 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1,5 +1,6 @@
 #include <inttypes.h>
 #include "util.h"
+#include "string2.h"
 #include <sys/types.h>
 #include <byteswap.h>
 #include <unistd.h>
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 6b498ae..535c7cb 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -7,7 +7,7 @@
 #include <subcmd/parse-options.h>
 #include "parse-events.h"
 #include <subcmd/exec-cmd.h>
-#include "string.h"
+#include "string2.h"
 #include "symbol.h"
 #include "cache.h"
 #include "header.h"
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 11c7525..7503fa1 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -15,6 +15,7 @@
 #include "header.h"
 #include "pmu-events/pmu-events.h"
 #include "cache.h"
+#include "string2.h"
 
 struct perf_pmu_format {
 	char *name;
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 7caba70..8f13740 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -47,6 +47,7 @@
 #include "probe-finder.h"
 #include "probe-file.h"
 #include "session.h"
+#include "string2.h"
 
 #include "sane_ctype.h"
 
diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c
index 88714de..7942ea5 100644
--- a/tools/perf/util/probe-file.c
+++ b/tools/perf/util/probe-file.c
@@ -28,6 +28,7 @@
 #include "probe-file.h"
 #include "session.h"
 #include "perf_regs.h"
+#include "string2.h"
 
 /* 4096 - 2 ('\n' + '\0') */
 #define MAX_CMDLEN 4094
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 9ddd7da..3f3cd11 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -41,6 +41,7 @@
 #include "symbol.h"
 #include "probe-finder.h"
 #include "probe-file.h"
+#include "string2.h"
 
 /* Kprobe tracer basic type is up to u64 */
 #define MAX_BASIC_TYPE_BITS	64
diff --git a/tools/perf/util/strfilter.c b/tools/perf/util/strfilter.c
index c663c91..3b068e0 100644
--- a/tools/perf/util/strfilter.c
+++ b/tools/perf/util/strfilter.c
@@ -1,5 +1,5 @@
 #include "util.h"
-#include "string.h"
+#include "string2.h"
 #include "strfilter.h"
 
 #include "sane_ctype.h"
diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c
index e716a6e..cca53b6 100644
--- a/tools/perf/util/string.c
+++ b/tools/perf/util/string.c
@@ -1,5 +1,7 @@
-#include "util.h"
-#include "linux/string.h"
+#include "string2.h"
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <stdlib.h>
 
 #include "sane_ctype.h"
 
@@ -101,8 +103,10 @@ static int count_argc(const char *str)
 void argv_free(char **argv)
 {
 	char **p;
-	for (p = argv; *p; p++)
-		zfree(p);
+	for (p = argv; *p; p++) {
+		free(*p);
+		*p = NULL;
+	}
 
 	free(argv);
 }
@@ -122,7 +126,7 @@ void argv_free(char **argv)
 char **argv_split(const char *str, int *argcp)
 {
 	int argc = count_argc(str);
-	char **argv = zalloc(sizeof(*argv) * (argc+1));
+	char **argv = calloc(argc + 1, sizeof(*argv));
 	char **argvp;
 
 	if (argv == NULL)
@@ -379,7 +383,7 @@ char *asprintf_expr_inout_ints(const char *var, bool in, size_t nints, int *ints
 				goto out_err_overflow;
 
 			if (i > 0)
-				printed += snprintf(e + printed, size - printed, " %s ", or_and);
+				printed += scnprintf(e + printed, size - printed, " %s ", or_and);
 			printed += scnprintf(e + printed, size - printed,
 					     "%s %s %d", var, eq_neq, ints[i]);
 		}
diff --git a/tools/perf/util/string2.h b/tools/perf/util/string2.h
new file mode 100644
index 0000000..2f61968
--- /dev/null
+++ b/tools/perf/util/string2.h
@@ -0,0 +1,42 @@
+#ifndef PERF_STRING_H
+#define PERF_STRING_H
+
+#include <linux/types.h>
+#include <stddef.h>
+#include <string.h>
+
+s64 perf_atoll(const char *str);
+char **argv_split(const char *str, int *argcp);
+void argv_free(char **argv);
+bool strglobmatch(const char *str, const char *pat);
+bool strglobmatch_nocase(const char *str, const char *pat);
+bool strlazymatch(const char *str, const char *pat);
+static inline bool strisglob(const char *str)
+{
+	return strpbrk(str, "*?[") != NULL;
+}
+int strtailcmp(const char *s1, const char *s2);
+char *strxfrchar(char *s, char from, char to);
+
+char *ltrim(char *s);
+char *rtrim(char *s);
+
+static inline char *trim(char *s)
+{
+	return ltrim(rtrim(s));
+}
+
+char *asprintf_expr_inout_ints(const char *var, bool in, size_t nints, int *ints);
+
+static inline char *asprintf_expr_in_ints(const char *var, size_t nints, int *ints)
+{
+	return asprintf_expr_inout_ints(var, true, nints, ints);
+}
+
+static inline char *asprintf_expr_not_in_ints(const char *var, size_t nints, int *ints)
+{
+	return asprintf_expr_inout_ints(var, false, nints, ints);
+}
+
+
+#endif /* PERF_STRING_H */
diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c
index 9026408..ef86bf5 100644
--- a/tools/perf/util/thread_map.c
+++ b/tools/perf/util/thread_map.c
@@ -6,6 +6,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
+#include "string2.h"
 #include "strlist.h"
 #include <string.h>
 #include <api/fs/fs.h>
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 46cfdcc..850ca54 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -98,18 +98,6 @@ int copyfile(const char *from, const char *to);
 int copyfile_mode(const char *from, const char *to, mode_t mode);
 int copyfile_offset(int fromfd, loff_t from_ofs, int tofd, loff_t to_ofs, u64 size);
 
-s64 perf_atoll(const char *str);
-char **argv_split(const char *str, int *argcp);
-void argv_free(char **argv);
-bool strglobmatch(const char *str, const char *pat);
-bool strglobmatch_nocase(const char *str, const char *pat);
-bool strlazymatch(const char *str, const char *pat);
-static inline bool strisglob(const char *str)
-{
-	return strpbrk(str, "*?[") != NULL;
-}
-int strtailcmp(const char *s1, const char *s2);
-char *strxfrchar(char *s, char from, char to);
 unsigned long convert_unit(unsigned long value, char *unit);
 ssize_t readn(int fd, void *buf, size_t n);
 ssize_t writen(int fd, void *buf, size_t n);
@@ -121,14 +109,6 @@ void event_attr_init(struct perf_event_attr *attr);
 size_t hex_width(u64 v);
 int hex2u64(const char *ptr, u64 *val);
 
-char *ltrim(char *s);
-char *rtrim(char *s);
-
-static inline char *trim(char *s)
-{
-	return ltrim(rtrim(s));
-}
-
 void dump_stack(void);
 void sighandler_dump_stack(int sig);
 
@@ -175,18 +155,6 @@ int gzip_decompress_to_file(const char *input, int output_fd);
 int lzma_decompress_to_file(const char *input, int output_fd);
 #endif
 
-char *asprintf_expr_inout_ints(const char *var, bool in, size_t nints, int *ints);
-
-static inline char *asprintf_expr_in_ints(const char *var, size_t nints, int *ints)
-{
-	return asprintf_expr_inout_ints(var, true, nints, ints);
-}
-
-static inline char *asprintf_expr_not_in_ints(const char *var, size_t nints, int *ints)
-{
-	return asprintf_expr_inout_ints(var, false, nints, ints);
-}
-
 int get_stack_size(const char *str, unsigned long *_size);
 
 int fetch_kernel_version(unsigned int *puint,

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