attempt to regularize atoi mess.

procps/kill.c

@@ -47,7 +47,7 @@ int kill_main(int argc, char **argv)
 		} else { /* -l <sig list> */
 			while ((arg = *++argv)!=NULL) {
 				if (isdigit(arg[0])) {
-					signo = atoi(arg);
+					signo = xatoi_u(arg);
 					name = get_signame(signo);
 				} else {
 					signo = get_signum(arg);
@@ -140,7 +140,7 @@ do_it_now:
 	while (arg) {
 		if (!isdigit(arg[0]) && arg[0]!='-')
 			bb_error_msg_and_die("bad pid '%s'", arg);
-		pid = strtol(arg, NULL, 0);
+		pid = xatou(arg);
 		/* FIXME: better overflow check? */
 		if (kill(pid, signo)!=0) {
 			bb_perror_msg("cannot kill pid %ld", (long)pid);

procps/pidof.c

@@ -14,7 +14,7 @@
 #define SINGLE (1<<0)
 #else
 #define _SINGLE_COMPL(a)
-#define SINGLE (0)
+#define SINGLE 0
 #endif
 
 #if ENABLE_FEATURE_PIDOF_OMIT
@@ -56,7 +56,7 @@ int pidof_main(int argc, char **argv)
 			/* are we asked to exclude the parent's process ID?  */
 			if (!strncmp(omits_p->data, "%PPID", 5)) {
 				llist_pop(&omits_p);
-				snprintf(getppid_str, sizeof(getppid_str), "%d", getppid());
+				snprintf(getppid_str, sizeof(getppid_str), "%ld", (long)getppid());
 				llist_add_to(&omits_p, getppid_str);
 			}
 			omits_p = omits_p->link;
@@ -64,19 +64,19 @@ int pidof_main(int argc, char **argv)
 	}
 #endif
 	/* Looks like everything is set to go.  */
-	while(optind < argc) {
+	while (optind < argc) {
 		long *pidList;
 		long *pl;
 
 		/* reverse the pidlist like GNU pidof does.  */
 		pidList = pidlist_reverse(find_pid_by_name(argv[optind]));
-		for(pl = pidList; *pl > 0; pl++) {
+		for (pl = pidList; *pl > 0; pl++) {
 #if ENABLE_FEATURE_PIDOF_OMIT
 			unsigned omitted = 0;
 			if (opt & OMIT) {
 				llist_t *omits_p = omits;
 				while (omits_p)
-					if (strtol(omits_p->data, NULL, 10) == *pl) {
+					if (xatoul(omits_p->data) == *pl) {
 						omitted = 1; break;
 					} else
 						omits_p = omits_p->link;

procps/renice.c

@@ -53,13 +53,13 @@ static inline int int_add_no_wrap(int a, int b)
 
 int renice_main(int argc, char **argv)
 {
-	static const char Xetpriority_msg[] = "%d : %cetpriority";
+	static const char Xetpriority_msg[] = "%d: %cetpriority";
 
 	int retval = EXIT_SUCCESS;
 	int which = PRIO_PROCESS;	/* Default 'which' value. */
 	int use_relative = 0;
 	int adjustment, new_priority;
-	id_t who;
+	unsigned who;
 
 	++argv;
 
@@ -74,15 +74,15 @@ int renice_main(int argc, char **argv)
 	}
 
 	/* Get the priority adjustment (absolute or relative). */
-	adjustment = bb_xgetlarg(*argv, 10, INT_MIN, INT_MAX);
+	adjustment = xatoi(*argv);
 
 	while (*++argv) {
 		/* Check for a mode switch. */
 		if ((argv[0][0] == '-') && argv[0][1] && !argv[0][2]) {
 			static const char opts[]
 				= { 'p', 'g', 'u', 0, PRIO_PROCESS, PRIO_PGRP, PRIO_USER };
-			const char *p;
-			if ((p = strchr(opts, argv[0][1]))) {
+			const char *p = strchr(opts, argv[0][1]);
+			if (p) {
 				which = p[4];
 				continue;
 			}
@@ -91,16 +91,14 @@ int renice_main(int argc, char **argv)
 		/* Process an ID arg. */
 		if (which == PRIO_USER) {
 			struct passwd *p;
-			if (!(p = getpwnam(*argv))) {
+			p = getpwnam(*argv);
+			if (!p) {
 				bb_error_msg("unknown user: %s", *argv);
 				goto HAD_ERROR;
 			}
 			who = p->pw_uid;
 		} else {
-			char *e;
-			errno = 0;
-			who = strtoul(*argv, &e, 10);
-			if (*e || (*argv == e) || errno) {
+			if (safe_strtou(*argv, &who)) {
 				bb_error_msg("bad value: %s", *argv);
 				goto HAD_ERROR;
 			}

procps/top.c

@@ -384,8 +384,8 @@ static void sig_catcher(int sig ATTRIBUTE_UNUSED)
 int top_main(int argc, char **argv)
 {
 	int count, lines, col;
-	int interval = 5; /* default update rate is 5 seconds */
-	int iterations = -1; /* 2^32 iterations by default :) */
+	unsigned interval = 5; /* default update rate is 5 seconds */
+	unsigned iterations = UINT_MAX; /* 2^32 iterations by default :) */
 	char *sinterval, *siterations;
 #ifdef CONFIG_FEATURE_USE_TERMIOS
 	struct termios new_settings;
@@ -399,8 +399,8 @@ int top_main(int argc, char **argv)
 	opt_complementary = "-";
 	getopt32(argc, argv, "d:n:b", 
 		&sinterval, &siterations);
-	if (option_mask32 & 0x1) interval = atoi(sinterval); // -d
-	if (option_mask32 & 0x2) iterations = atoi(siterations); // -n
+	if (option_mask32 & 0x1) interval = xatou(sinterval); // -d
+	if (option_mask32 & 0x2) iterations = xatou(siterations); // -n
 	//if (option_mask32 & 0x4) // -b
 
 	/* change to /proc */