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perf tools: remove xstrndup, xmalloc, xzalloc

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All the functions that call this can handle the equivalent, non
panic'ing wrapped routines.

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2010-05-18 18:54:30 -03:00
commit 151f85a471
4 changed files with 3 additions and 51 deletions
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4
tools/perf/util/exec_cmd.c
View file

@ -53,8 +53,8 @@ const char *perf_extract_argv0_path(const char *argv0)
slash--; slash--;
if (slash >= argv0) { if (slash >= argv0) {
argv0_path = xstrndup(argv0, slash - argv0); argv0_path = strndup(argv0, slash - argv0);
return slash + 1; return argv0_path ? slash + 1 : NULL;
} }
return argv0; return argv0;

2
tools/perf/util/path.c
View file

@ -152,5 +152,5 @@ char *strip_path_suffix(const char *path, const char *suffix)
if (path_len && !is_dir_sep(path[path_len - 1])) if (path_len && !is_dir_sep(path[path_len - 1]))
return NULL; return NULL;
return xstrndup(path, chomp_trailing_dir_sep(path, path_len)); return strndup(path, chomp_trailing_dir_sep(path, path_len));
} }

8
tools/perf/util/util.h
View file

@ -179,16 +179,8 @@ static inline char *gitstrchrnul(const char *s, int c)
* Wrappers: * Wrappers:
*/ */
extern char *xstrdup(const char *str); extern char *xstrdup(const char *str);
extern void *xmalloc(size_t size) __attribute__((weak));
extern char *xstrndup(const char *str, size_t len);
extern void *xrealloc(void *ptr, size_t size) __attribute__((weak)); 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) static inline void *zalloc(size_t size)
{ {

40
tools/perf/util/wrapper.c
View file

@ -23,46 +23,6 @@ char *xstrdup(const char *str)
return ret; return ret;
} }
void *xmalloc(size_t size)
{
void *ret = malloc(size);
if (!ret && !size)
ret = malloc(1);
if (!ret) {
release_pack_memory(size, -1);
ret = malloc(size);
if (!ret && !size)
ret = malloc(1);
if (!ret)
die("Out of memory, malloc failed");
}
#ifdef XMALLOC_POISON
memset(ret, 0xA5, size);
#endif
return ret;
}
/*
* xmemdupz() allocates (len + 1) bytes of memory, duplicates "len" bytes of
* "data" to the allocated memory, zero terminates the allocated memory,
* and returns a pointer to the allocated memory. If the allocation fails,
* the program dies.
*/
static void *xmemdupz(const void *data, size_t len)
{
char *p = xmalloc(len + 1);
memcpy(p, data, len);
p[len] = '\0';
return p;
}
char *xstrndup(const char *str, size_t len)
{
char *p = memchr(str, '\0', len);
return xmemdupz(str, p ? (size_t)(p - str) : len);
}
void *xrealloc(void *ptr, size_t size) void *xrealloc(void *ptr, size_t size)
{ {
void *ret = realloc(ptr, size); void *ret = realloc(ptr, size);