From f4e7ac0a233a4dc9b51345546ab69c64bb43e2c1 Mon Sep 17 00:00:00 2001 From: "Kirill A. Shutemov" Date: Sat, 21 Aug 2010 03:38:20 +0300 Subject: perf tools: add test for strlcpy() Some Linux distributions like ALT Linux provides patched glibc with contains strlcpy(). It's confilcts with strlcpy() from perf. Let's add check for strlcpy(). Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Ingo Molnar LKML-Reference: <1282351101-8879-1-git-send-email-kirill@shutemov.name> Signed-off-by: Kirill A. Shutemov Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Makefile | 9 +++++++++ tools/perf/feature-tests.mak | 11 +++++++++++ tools/perf/util/cache.h | 2 ++ tools/perf/util/path.c | 3 ++- 4 files changed, 24 insertions(+), 1 deletion(-) diff --git a/tools/perf/Makefile b/tools/perf/Makefile index dcb9700b88d2..7473de00682b 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -647,6 +647,15 @@ else endif endif + +ifdef NO_STRLCPY + BASIC_CFLAGS += -DNO_STRLCPY +else + ifneq ($(call try-cc,$(SOURCE_STRLCPY),),y) + BASIC_CFLAGS += -DNO_STRLCPY + endif +endif + ifndef CC_LD_DYNPATH ifdef NO_R_TO_GCC_LINKER # Some gcc does not accept and pass -R to the linker to specify diff --git a/tools/perf/feature-tests.mak b/tools/perf/feature-tests.mak index ddb68e601f0e..ef3d0d6a9e23 100644 --- a/tools/perf/feature-tests.mak +++ b/tools/perf/feature-tests.mak @@ -110,6 +110,17 @@ int main(void) } endef +define SOURCE_STRLCPY +#include +extern size_t strlcpy(char *dest, const char *src, size_t size); + +int main(void) +{ + strlcpy(NULL, NULL, 0); + return 0; +} +endef + # try-cc # Usage: option = $(call try-cc, source-to-build, cc-options) try-cc = $(shell sh -c \ diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h index 27e9ebe4076e..a7729797fd96 100644 --- a/tools/perf/util/cache.h +++ b/tools/perf/util/cache.h @@ -82,6 +82,8 @@ extern char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2 extern char *perf_pathdup(const char *fmt, ...) __attribute__((format (printf, 1, 2))); +#ifdef NO_STRLCPY extern size_t strlcpy(char *dest, const char *src, size_t size); +#endif #endif /* __PERF_CACHE_H */ diff --git a/tools/perf/util/path.c b/tools/perf/util/path.c index 58a470d036dd..bd7497711424 100644 --- a/tools/perf/util/path.c +++ b/tools/perf/util/path.c @@ -22,6 +22,7 @@ static const char *get_perf_dir(void) return "."; } +#ifdef NO_STRLCPY size_t strlcpy(char *dest, const char *src, size_t size) { size_t ret = strlen(src); @@ -33,7 +34,7 @@ size_t strlcpy(char *dest, const char *src, size_t size) } return ret; } - +#endif static char *get_pathname(void) { -- cgit v1.2.3-59-g8ed1b