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authorArnaldo Carvalho de Melo <acme@redhat.com>2012-09-12 15:39:59 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-09-24 12:10:34 -0300
commit0dbca1e364aba20dba70d88c083239c5152440ac (patch)
tree06ff96717e807df7833fe41480dd5b9d1f988848
parent3ce711a6abc27abce1554e1d671a8762b7187690 (diff)
downloadlinux-linaro-stable-0dbca1e364aba20dba70d88c083239c5152440ac.tar.gz
tools lib traceevent: Use asprintf were applicable
Replacing the equivalent open coded malloc + sprintf bits. Reviewed-by: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/n/tip-ghokwtdw2hgmmmn7oa9s03r4@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/lib/traceevent/event-parse.c58
1 files changed, 31 insertions, 27 deletions
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index acf40381b48b..2e05d567353e 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -827,9 +827,9 @@ static enum event_type __read_token(char **tok)
switch (type) {
case EVENT_NEWLINE:
case EVENT_DELIM:
- *tok = malloc_or_die(2);
- (*tok)[0] = ch;
- (*tok)[1] = 0;
+ if (asprintf(tok, "%c", ch) < 0)
+ return EVENT_ERROR;
+
return type;
case EVENT_OP:
@@ -2777,10 +2777,8 @@ static int event_read_print(struct event_format *event)
if (type == EVENT_DQUOTE) {
char *cat;
- cat = malloc_or_die(strlen(event->print_fmt.format) +
- strlen(token) + 1);
- strcpy(cat, event->print_fmt.format);
- strcat(cat, token);
+ if (asprintf(&cat, "%s%s", event->print_fmt.format, token) < 0)
+ goto fail;
free_token(token);
free_token(event->print_fmt.format);
event->print_fmt.format = NULL;
@@ -3524,6 +3522,18 @@ process_defined_func(struct trace_seq *s, void *data, int size,
return ret;
}
+static void free_args(struct print_arg *args)
+{
+ struct print_arg *next;
+
+ while (args) {
+ next = args->next;
+
+ free_arg(args);
+ args = next;
+ }
+}
+
static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struct event_format *event)
{
struct pevent *pevent = event->pevent;
@@ -3559,8 +3569,9 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc
next = &arg->next;
arg->type = PRINT_ATOM;
- arg->atom.atom = malloc_or_die(32);
- sprintf(arg->atom.atom, "%lld", ip);
+
+ if (asprintf(&arg->atom.atom, "%lld", ip) < 0)
+ goto out_free;
/* skip the first "%pf : " */
for (ptr = fmt + 6, bptr = data + field->offset;
@@ -3617,8 +3628,10 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc
arg = alloc_arg();
arg->next = NULL;
arg->type = PRINT_ATOM;
- arg->atom.atom = malloc_or_die(32);
- sprintf(arg->atom.atom, "%lld", val);
+ if (asprintf(&arg->atom.atom, "%lld", val) < 0) {
+ free(arg);
+ goto out_free;
+ }
*next = arg;
next = &arg->next;
/*
@@ -3646,18 +3659,10 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc
}
return args;
-}
-
-static void free_args(struct print_arg *args)
-{
- struct print_arg *next;
-
- while (args) {
- next = args->next;
- free_arg(args);
- args = next;
- }
+out_free:
+ free_args(args);
+ return NULL;
}
static char *
@@ -3684,9 +3689,8 @@ get_bprint_format(void *data, int size __maybe_unused,
printk = find_printk(pevent, addr);
if (!printk) {
- format = malloc_or_die(45);
- sprintf(format, "%%pf : (NO FORMAT FOUND at %llx)\n",
- addr);
+ if (asprintf(&format, "%%pf : (NO FORMAT FOUND at %llx)\n", addr) < 0)
+ return NULL;
return format;
}
@@ -3694,8 +3698,8 @@ get_bprint_format(void *data, int size __maybe_unused,
/* Remove any quotes. */
if (*p == '"')
p++;
- format = malloc_or_die(strlen(p) + 10);
- sprintf(format, "%s : %s", "%pf", p);
+ if (asprintf(&format, "%s : %s", "%pf", p) < 0)
+ return NULL;
/* remove ending quotes and new line since we will add one too */
p = format + strlen(format) - 1;
if (*p == '"')