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Diffstat (limited to 'miscutils')
-rw-r--r--miscutils/less.c10
-rw-r--r--miscutils/taskset.c32
2 files changed, 25 insertions, 17 deletions
diff --git a/miscutils/less.c b/miscutils/less.c
index 60c54e610..807a5bf47 100644
--- a/miscutils/less.c
+++ b/miscutils/less.c
@@ -109,6 +109,8 @@ static int match_pos; /* signed! */
static unsigned num_matches;
static regex_t pattern;
static unsigned pattern_valid;
+#else
+enum { pattern_valid = 0 };
#endif
static struct termios term_orig, term_vi;
@@ -168,7 +170,7 @@ static void read_lines(void)
{
#define readbuf bb_common_bufsiz1
char *current_line, *p;
- unsigned old_max_fline = max_fline;
+ USE_FEATURE_LESS_REGEXP(unsigned old_max_fline = max_fline;)
int w = width;
char last_terminated = terminated;
@@ -337,6 +339,7 @@ static char ctrlconv[] =
"\x40\x41\x42\x43\x44\x45\x46\x47\x48\x49\x40\x4b\x4c\x4d\x4e\x4f"
"\x50\x51\x52\x53\x54\x55\x56\x57\x58\x59\x5a\x5b\x5c\x5d\x5e\x5f";
+#if ENABLE_FEATURE_LESS_REGEXP
static void print_found(const char *line)
{
int match_status;
@@ -397,6 +400,9 @@ static void print_found(const char *line)
printf(CLEAR_2_EOL"%s%s\n", growline, str);
free(growline);
}
+#else
+void print_found(const char *line);
+#endif
static void print_ascii(const char *str)
{
@@ -718,6 +724,7 @@ static void colon_process(void)
}
}
+#if ENABLE_FEATURE_LESS_REGEXP
static int normalize_match_pos(int match)
{
match_pos = match;
@@ -728,7 +735,6 @@ static int normalize_match_pos(int match)
return match_pos;
}
-#if ENABLE_FEATURE_LESS_REGEXP
static void goto_match(int match)
{
if (num_matches)
diff --git a/miscutils/taskset.c b/miscutils/taskset.c
index 4496aa5b4..a4d41ac9c 100644
--- a/miscutils/taskset.c
+++ b/miscutils/taskset.c
@@ -8,14 +8,14 @@
#include "busybox.h"
#include <sched.h>
-#include <unistd.h>
#include <getopt.h> /* optind */
#if ENABLE_FEATURE_TASKSET_FANCY
#define TASKSET_PRINTF_MASK "%s"
#define from_cpuset(x) __from_cpuset(&x)
/* craft a string from the mask */
-static char *__from_cpuset(cpu_set_t *mask) {
+static char *__from_cpuset(cpu_set_t *mask)
+{
int i;
char *ret = 0, *str = xzalloc(9);
@@ -34,22 +34,24 @@ static char *__from_cpuset(cpu_set_t *mask) {
}
#else
#define TASKSET_PRINTF_MASK "%x"
-#define from_cpuset(mask) mask
+/* (void*) cast is for battling gcc: */
+/* "dereferencing type-punned pointer will break strict-aliasing rules" */
+#define from_cpuset(mask) (*(unsigned*)(void*)&(mask))
#endif
-#define TASKSET_OPT_p (1)
+#define OPT_p 1
int taskset_main(int argc, char** argv)
{
cpu_set_t mask, new_mask;
pid_t pid = 0;
- unsigned long ul;
+ unsigned opt;
const char *state = "current\0new";
char *p_opt = NULL, *aff = NULL;
- ul = getopt32(argc, argv, "+p:", &p_opt);
+ opt = getopt32(argc, argv, "+p:", &p_opt);
- if (ul & TASKSET_OPT_p) {
+ if (opt & OPT_p) {
if (argc == optind+1) { /* -p <aff> <pid> */
aff = p_opt;
p_opt = argv[optind];
@@ -70,19 +72,19 @@ int taskset_main(int argc, char** argv)
}
}
- if (ul & TASKSET_OPT_p) {
-print_aff:
- if (sched_getaffinity(pid, sizeof (mask), &mask) < 0)
- bb_perror_msg_and_die("Failed to %cet pid %d's affinity", 'g', pid);
+ if (opt & OPT_p) {
+ print_aff:
+ if (sched_getaffinity(pid, sizeof(mask), &mask) < 0)
+ bb_perror_msg_and_die("failed to %cet pid %d's affinity", 'g', pid);
printf("pid %d's %s affinity mask: "TASKSET_PRINTF_MASK"\n",
pid, state, from_cpuset(mask));
if (!*argv) /* no new affinity given or we did print already, done. */
return EXIT_SUCCESS;
}
- if (sched_setaffinity(pid, sizeof (new_mask), &new_mask))
- bb_perror_msg_and_die("Failed to %cet pid %d's affinity", 's', pid);
- if (ul & TASKSET_OPT_p) {
+ if (sched_setaffinity(pid, sizeof(new_mask), &new_mask))
+ bb_perror_msg_and_die("failed to %cet pid %d's affinity", 's', pid);
+ if (opt & OPT_p) {
state += 8;
++argv;
goto print_aff;
@@ -91,6 +93,6 @@ print_aff:
execvp(*argv, argv);
bb_perror_msg_and_die("%s", *argv);
}
-#undef TASKSET_OPT_p
+#undef OPT_p
#undef TASKSET_PRINTF_MASK
#undef from_cpuset