提交 a1d37d52 编写于 作者: M Masami Hiramatsu 提交者: Ingo Molnar

perf tools: Introduce xzalloc() for detecting out of memory conditions

Introducing xzalloc() which wrapping zalloc() for detecting out
of memory conditions.
Signed-off-by: NMasami Hiramatsu <mhiramat@redhat.com>
Cc: systemtap <systemtap@sources.redhat.com>
Cc: DLE <dle-develop@lists.sourceforge.net>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20100316220521.32050.85155.stgit@localhost6.localdomain6>
[ -v2: small cleanups in surrounding code ]
Signed-off-by: NIngo Molnar <mingo@elte.hu>
上级 e4713e93
......@@ -295,6 +295,13 @@ extern void *xmemdupz(const void *data, size_t len);
extern char *xstrndup(const char *str, size_t len);
extern void *xrealloc(void *ptr, size_t size) __attribute__((weak));
static inline void *xzalloc(size_t size)
{
void *buf = xmalloc(size);
return memset(buf, 0, size);
}
static inline void *zalloc(size_t size)
{
return calloc(1, size);
......@@ -309,6 +316,7 @@ static inline int has_extension(const char *filename, const char *ext)
{
size_t len = strlen(filename);
size_t extlen = strlen(ext);
return len > extlen && !memcmp(filename + len - extlen, ext, extlen);
}
......@@ -322,6 +330,7 @@ static inline int has_extension(const char *filename, const char *ext)
#undef isalnum
#undef tolower
#undef toupper
extern unsigned char sane_ctype[256];
#define GIT_SPACE 0x01
#define GIT_DIGIT 0x02
......
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