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nmeter: code shrink

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function                                             old     new   delta
init_delay                                            61      64      +3
init_cpu                                              86      82      -4
init_int                                              63      57      -6
nmeter_main                                          679     667     -12
init_if                                               88      63     -25
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/4 up/down: 3/-47)             Total: -44 bytes
This commit is contained in:
Denis Vlasenko 2008-06-28 23:30:37 +00:00
parent 6ea75e2f5d
commit 333aa0c04a
1 changed files with 22 additions and 24 deletions
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46
procps/nmeter.c
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@ -281,14 +281,14 @@ static void collect_literal(s_stat *s ATTRIBUTE_UNUSED)
static s_stat* init_literal(void)
{
s_stat *s = xmalloc(sizeof(s_stat));
s_stat *s = xzalloc(sizeof(s_stat));
s->collect = collect_literal;
return (s_stat*)s;
}
static s_stat* init_delay(const char *param)
{
delta = bb_strtoi(param, NULL, 0) * 1000;
delta = strtoul(param, NULL, 0) * 1000; /* param can be "" */
deltanz = delta > 0 ? delta : 1;
need_seconds = (1000000%deltanz) != 0;
return NULL;
@ -369,13 +369,13 @@ static void collect_cpu(cpu_stat *s)
static s_stat* init_cpu(const char *param)
{
int sz;
cpu_stat *s = xmalloc(sizeof(cpu_stat));
cpu_stat *s = xzalloc(sizeof(*s));
s->collect = collect_cpu;
sz = strtol(param, NULL, 0);
sz = strtoul(param, NULL, 0); /* param can be "" */
if (sz < 10) sz = 10;
if (sz > 1000) sz = 1000;
s->bar = xmalloc(sz+1);
s->bar[sz] = '\0';
s->bar = xzalloc(sz+1);
/*s->bar[sz] = '\0'; - xzalloc did it */
s->bar_sz = sz;
return (s_stat*)s;
}
@ -404,13 +404,13 @@ static void collect_int(int_stat *s)
static s_stat* init_int(const char *param)
{
int_stat *s = xmalloc(sizeof(int_stat));
int_stat *s = xzalloc(sizeof(*s));
s->collect = collect_int;
if (param[0]=='\0') {
if (param[0] == '\0') {
s->no = 1;
} else {
int n = strtoul(param, NULL, 0);
s->no = n+2;
int n = xatoi_u(param);
s->no = n + 2;
}
return (s_stat*)s;
}
@ -438,7 +438,7 @@ static void collect_ctx(ctx_stat *s)
static s_stat* init_ctx(const char *param ATTRIBUTE_UNUSED)
{
ctx_stat *s = xmalloc(sizeof(ctx_stat));
ctx_stat *s = xzalloc(sizeof(*s));
s->collect = collect_ctx;
return (s_stat*)s;
}
@ -480,7 +480,7 @@ static void collect_blk(blk_stat *s)
static s_stat* init_blk(const char *param ATTRIBUTE_UNUSED)
{
blk_stat *s = xmalloc(sizeof(blk_stat));
blk_stat *s = xzalloc(sizeof(*s));
s->collect = collect_blk;
s->lookfor = "page";
return (s_stat*)s;
@ -520,7 +520,7 @@ static void collect_fork(fork_stat *s)
static s_stat* init_fork(const char *param)
{
fork_stat *s = xmalloc(sizeof(fork_stat));
fork_stat *s = xzalloc(sizeof(*s));
if (*param == 'n') {
s->collect = collect_thread_nr;
} else {
@ -560,16 +560,14 @@ static void collect_if(if_stat *s)
static s_stat* init_if(const char *device)
{
if_stat *s = xmalloc(sizeof(if_stat));
if_stat *s = xzalloc(sizeof(*s));
if (!device || !device[0])
bb_show_usage();
s->collect = collect_if;
s->device = device;
s->device_colon = xmalloc(strlen(device)+2);
strcpy(s->device_colon, device);
strcat(s->device_colon, ":");
s->device_colon = xasprintf("%s:", device);
return (s_stat*)s;
}
@ -650,7 +648,7 @@ static void collect_mem(mem_stat *s)
static s_stat* init_mem(const char *param)
{
mem_stat *s = xmalloc(sizeof(mem_stat));
mem_stat *s = xzalloc(sizeof(*s));
s->collect = collect_mem;
s->opt = param[0];
return (s_stat*)s;
@ -675,7 +673,7 @@ static void collect_swp(swp_stat *s ATTRIBUTE_UNUSED)
static s_stat* init_swp(const char *param ATTRIBUTE_UNUSED)
{
swp_stat *s = xmalloc(sizeof(swp_stat));
swp_stat *s = xzalloc(sizeof(*s));
s->collect = collect_swp;
return (s_stat*)s;
}
@ -698,7 +696,7 @@ static void collect_fd(fd_stat *s ATTRIBUTE_UNUSED)
static s_stat* init_fd(const char *param ATTRIBUTE_UNUSED)
{
fd_stat *s = xmalloc(sizeof(fd_stat));
fd_stat *s = xzalloc(sizeof(*s));
s->collect = collect_fd;
return (s_stat*)s;
}
@ -731,10 +729,10 @@ static void collect_time(time_stat *s)
static s_stat* init_time(const char *param)
{
int prec;
time_stat *s = xmalloc(sizeof(time_stat));
time_stat *s = xzalloc(sizeof(*s));
s->collect = collect_time;
prec = param[0]-'0';
prec = param[0] - '0';
if (prec < 0) prec = 0;
else if (prec > 6) prec = 6;
s->prec = prec;
@ -834,7 +832,7 @@ int nmeter_main(int argc, char **argv)
s = init_functions[p-options](param);
if (s) {
s->label = prev;
s->next = 0;
/*s->next = NULL; - all initXXX funcs use xzalloc */
if (!first)
first = s;
else
@ -849,7 +847,7 @@ int nmeter_main(int argc, char **argv)
if (prev[0]) {
s = init_literal();
s->label = prev;
s->next = 0;
/*s->next = NULL; - all initXXX funcs use xzalloc */
if (!first)
first = s;
else