Author: tsoome
Date: Sat Nov 14 10:56:40 2020
New Revision: 367674
URL: https://svnweb.freebsd.org/changeset/base/367674
Log:
loader: cstyle cleanup of console.c
cstyle cleanup only, no functional changes intended.
Modified:
head/stand/common/console.c
Modified: head/stand/common/console.c
==============================================================================
--- head/stand/common/console.c Sat Nov 14 10:34:18 2020 (r367673)
+++ head/stand/common/console.c Sat Nov 14 10:56:40 2020 (r367674)
@@ -49,97 +49,102 @@ static int twiddle_set(struct env_var *ev, int flags,
void
cons_probe(void)
{
- int cons;
- int active;
- char *prefconsole;
+ int cons;
+ int active;
+ char *prefconsole;
- /* We want a callback to install the new value when this var changes. */
- env_setenv("twiddle_divisor", EV_VOLATILE, "1", twiddle_set, env_nounset);
+ /* We want a callback to install the new value when this var changes. */
+ env_setenv("twiddle_divisor", EV_VOLATILE, "1", twiddle_set,
+ env_nounset);
- /* Do all console probes */
- for (cons = 0; consoles[cons] != NULL; cons++) {
- consoles[cons]->c_flags = 0;
- consoles[cons]->c_probe(consoles[cons]);
- }
- /* Now find the first working one */
- active = -1;
- for (cons = 0; consoles[cons] != NULL && active == -1; cons++) {
- consoles[cons]->c_flags = 0;
- consoles[cons]->c_probe(consoles[cons]);
- if (consoles[cons]->c_flags == (C_PRESENTIN | C_PRESENTOUT))
- active = cons;
- }
- /* Force a console even if all probes failed */
- if (active == -1)
- active = 0;
+ /* Do all console probes */
+ for (cons = 0; consoles[cons] != NULL; cons++) {
+ consoles[cons]->c_flags = 0;
+ consoles[cons]->c_probe(consoles[cons]);
+ }
+ /* Now find the first working one */
+ active = -1;
+ for (cons = 0; consoles[cons] != NULL && active == -1; cons++) {
+ consoles[cons]->c_flags = 0;
+ consoles[cons]->c_probe(consoles[cons]);
+ if (consoles[cons]->c_flags == (C_PRESENTIN | C_PRESENTOUT))
+ active = cons;
+ }
+ /* Force a console even if all probes failed */
+ if (active == -1)
+ active = 0;
- /* Check to see if a console preference has already been registered */
- prefconsole = getenv("console");
- if (prefconsole != NULL)
- prefconsole = strdup(prefconsole);
- if (prefconsole != NULL) {
- unsetenv("console"); /* we want to replace this */
- cons_change(prefconsole);
- } else {
- consoles[active]->c_flags |= C_ACTIVEIN | C_ACTIVEOUT;
- consoles[active]->c_init(0);
- prefconsole = strdup(consoles[active]->c_name);
- }
+ /* Check to see if a console preference has already been registered */
+ prefconsole = getenv("console");
+ if (prefconsole != NULL)
+ prefconsole = strdup(prefconsole);
+ if (prefconsole != NULL) {
+ unsetenv("console"); /* we want to replace this */
+ cons_change(prefconsole);
+ } else {
+ consoles[active]->c_flags |= C_ACTIVEIN | C_ACTIVEOUT;
+ consoles[active]->c_init(0);
+ prefconsole = strdup(consoles[active]->c_name);
+ }
- printf("Consoles: ");
- for (cons = 0; consoles[cons] != NULL; cons++)
- if (consoles[cons]->c_flags & (C_ACTIVEIN | C_ACTIVEOUT))
- printf("%s ", consoles[cons]->c_desc);
- printf("\n");
+ printf("Consoles: ");
+ for (cons = 0; consoles[cons] != NULL; cons++)
+ if (consoles[cons]->c_flags & (C_ACTIVEIN | C_ACTIVEOUT))
+ printf("%s ", consoles[cons]->c_desc);
+ printf("\n");
- if (prefconsole != NULL) {
- env_setenv("console", EV_VOLATILE, prefconsole, cons_set,
- env_nounset);
- free(prefconsole);
- }
+ if (prefconsole != NULL) {
+ env_setenv("console", EV_VOLATILE, prefconsole, cons_set,
+ env_nounset);
+ free(prefconsole);
+ }
}
int
getchar(void)
{
- int cons;
- int rv;
+ int cons;
+ int rv;
- /* Loop forever polling all active consoles */
- for(;;)
- for (cons = 0; consoles[cons] != NULL; cons++)
- if ((consoles[cons]->c_flags & (C_PRESENTIN | C_ACTIVEIN)) ==
- (C_PRESENTIN | C_ACTIVEIN) &&
- ((rv = consoles[cons]->c_in()) != -1))
- return(rv);
+ /* Loop forever polling all active consoles */
+ for (;;) {
+ for (cons = 0; consoles[cons] != NULL; cons++) {
+ if ((consoles[cons]->c_flags &
+ (C_PRESENTIN | C_ACTIVEIN)) ==
+ (C_PRESENTIN | C_ACTIVEIN) &&
+ ((rv = consoles[cons]->c_in()) != -1))
+ return (rv);
+ }
+ }
}
int
ischar(void)
{
- int cons;
+ int cons;
- for (cons = 0; consoles[cons] != NULL; cons++)
- if ((consoles[cons]->c_flags & (C_PRESENTIN | C_ACTIVEIN)) ==
- (C_PRESENTIN | C_ACTIVEIN) &&
- (consoles[cons]->c_ready() != 0))
- return(1);
- return(0);
+ for (cons = 0; consoles[cons] != NULL; cons++)
+ if ((consoles[cons]->c_flags & (C_PRESENTIN | C_ACTIVEIN)) ==
+ (C_PRESENTIN | C_ACTIVEIN) &&
+ (consoles[cons]->c_ready() != 0))
+ return (1);
+ return (0);
}
void
putchar(int c)
{
- int cons;
+ int cons;
- /* Expand newlines */
- if (c == '\n')
- putchar('\r');
+ /* Expand newlines */
+ if (c == '\n')
+ putchar('\r');
- for (cons = 0; consoles[cons] != NULL; cons++)
- if ((consoles[cons]->c_flags & (C_PRESENTOUT | C_ACTIVEOUT)) ==
- (C_PRESENTOUT | C_ACTIVEOUT))
- consoles[cons]->c_out(c);
+ for (cons = 0; consoles[cons] != NULL; cons++) {
+ if ((consoles[cons]->c_flags & (C_PRESENTOUT | C_ACTIVEOUT)) ==
+ (C_PRESENTOUT | C_ACTIVEOUT))
+ consoles[cons]->c_out(c);
+ }
}
/*
@@ -148,12 +153,12 @@ putchar(int c)
static int
cons_find(const char *name)
{
- int cons;
+ int cons;
- for (cons = 0; consoles[cons] != NULL; cons++)
- if (!strcmp(consoles[cons]->c_name, name))
- return (cons);
- return (-1);
+ for (cons = 0; consoles[cons] != NULL; cons++)
+ if (strcmp(consoles[cons]->c_name, name) == 0)
+ return (cons);
+ return (-1);
}
/*
@@ -162,22 +167,23 @@ cons_find(const char *name)
static int
cons_set(struct env_var *ev, int flags, const void *value)
{
- int ret;
+ int ret;
- if ((value == NULL) || (cons_check(value) == 0)) {
- /*
- * Return CMD_OK instead of CMD_ERROR to prevent forth syntax error,
- * which would prevent it processing any further loader.conf entries.
- */
- return (CMD_OK);
- }
+ if ((value == NULL) || (cons_check(value) == 0)) {
+ /*
+ * Return CMD_OK instead of CMD_ERROR to prevent forth syntax
+ * error, which would prevent it processing any further
+ * loader.conf entries.
+ */
+ return (CMD_OK);
+ }
- ret = cons_change(value);
- if (ret != CMD_OK)
- return (ret);
+ ret = cons_change(value);
+ if (ret != CMD_OK)
+ return (ret);
- env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL);
- return (CMD_OK);
+ env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL);
+ return (CMD_OK);
}
/*
@@ -186,36 +192,36 @@ cons_set(struct env_var *ev, int flags, const void *va
static int
cons_check(const char *string)
{
- int cons, found, failed;
- char *curpos, *dup, *next;
+ int cons, found, failed;
+ char *curpos, *dup, *next;
- dup = next = strdup(string);
- found = failed = 0;
- while (next != NULL) {
- curpos = strsep(&next, " ,");
- if (*curpos != '\0') {
- cons = cons_find(curpos);
- if (cons == -1) {
- printf("console %s is invalid!\n", curpos);
- failed++;
- } else {
- found++;
- }
+ dup = next = strdup(string);
+ found = failed = 0;
+ while (next != NULL) {
+ curpos = strsep(&next, " ,");
+ if (*curpos != '\0') {
+ cons = cons_find(curpos);
+ if (cons == -1) {
+ printf("console %s is invalid!\n", curpos);
+ failed++;
+ } else {
+ found++;
+ }
+ }
}
- }
- free(dup);
+ free(dup);
- if (found == 0)
- printf("no valid consoles!\n");
+ if (found == 0)
+ printf("no valid consoles!\n");
- if (found == 0 || failed != 0) {
- printf("Available consoles:\n");
- for (cons = 0; consoles[cons] != NULL; cons++)
- printf(" %s\n", consoles[cons]->c_name);
- }
+ if (found == 0 || failed != 0) {
+ printf("Available consoles:\n");
+ for (cons = 0; consoles[cons] != NULL; cons++)
+ printf(" %s\n", consoles[cons]->c_name);
+ }
- return (found);
+ return (found);
}
/*
@@ -224,56 +230,64 @@ cons_check(const char *string)
static int
cons_change(const char *string)
{
- int cons, active;
- char *curpos, *dup, *next;
+ int cons, active;
+ char *curpos, *dup, *next;
- /* Disable all consoles */
- for (cons = 0; consoles[cons] != NULL; cons++) {
- consoles[cons]->c_flags &= ~(C_ACTIVEIN | C_ACTIVEOUT);
- }
+ /* Disable all consoles */
+ for (cons = 0; consoles[cons] != NULL; cons++) {
+ consoles[cons]->c_flags &= ~(C_ACTIVEIN | C_ACTIVEOUT);
+ }
- /* Enable selected consoles */
- dup = next = strdup(string);
- active = 0;
- while (next != NULL) {
- curpos = strsep(&next, " ,");
- if (*curpos == '\0')
- continue;
- cons = cons_find(curpos);
- if (cons >= 0) {
- consoles[cons]->c_flags |= C_ACTIVEIN | C_ACTIVEOUT;
- consoles[cons]->c_init(0);
- if ((consoles[cons]->c_flags & (C_PRESENTIN | C_PRESENTOUT)) ==
- (C_PRESENTIN | C_PRESENTOUT)) {
- active++;
- continue;
- }
+ /* Enable selected consoles */
+ dup = next = strdup(string);
+ active = 0;
+ while (next != NULL) {
+ curpos = strsep(&next, " ,");
+ if (*curpos == '\0')
+ continue;
+ cons = cons_find(curpos);
+ if (cons >= 0) {
+ consoles[cons]->c_flags |= C_ACTIVEIN | C_ACTIVEOUT;
+ consoles[cons]->c_init(0);
+ if ((consoles[cons]->c_flags &
+ (C_PRESENTIN | C_PRESENTOUT)) ==
+ (C_PRESENTIN | C_PRESENTOUT)) {
+ active++;
+ continue;
+ }
- if (active != 0) {
- /* If no consoles have initialised we wouldn't see this. */
- printf("console %s failed to initialize\n",
consoles[cons]->c_name);
- }
+ if (active != 0) {
+ /*
+ * If no consoles have initialised we
+ * wouldn't see this.
+ */
+ printf("console %s failed to initialize\n",
+ consoles[cons]->c_name);
+ }
+ }
}
- }
- free(dup);
+ free(dup);
- if (active == 0) {
- /* All requested consoles failed to initialise, try to recover. */
- for (cons = 0; consoles[cons] != NULL; cons++) {
- consoles[cons]->c_flags |= C_ACTIVEIN | C_ACTIVEOUT;
- consoles[cons]->c_init(0);
- if ((consoles[cons]->c_flags &
- (C_PRESENTIN | C_PRESENTOUT)) ==
- (C_PRESENTIN | C_PRESENTOUT))
- active++;
+ if (active == 0) {
+ /*
+ * All requested consoles failed to initialise,
+ * try to recover.
+ */
+ for (cons = 0; consoles[cons] != NULL; cons++) {
+ consoles[cons]->c_flags |= C_ACTIVEIN | C_ACTIVEOUT;
+ consoles[cons]->c_init(0);
+ if ((consoles[cons]->c_flags &
+ (C_PRESENTIN | C_PRESENTOUT)) ==
+ (C_PRESENTIN | C_PRESENTOUT))
+ active++;
+ }
+
+ if (active == 0)
+ return (CMD_ERROR); /* Recovery failed. */
}
- if (active == 0)
- return (CMD_ERROR); /* Recovery failed. */
- }
-
- return (CMD_OK);
+ return (CMD_OK);
}
/*
@@ -287,16 +301,16 @@ cons_change(const char *string)
static int
twiddle_set(struct env_var *ev, int flags, const void *value)
{
- u_long tdiv;
- char * eptr;
+ u_long tdiv;
+ char *eptr;
- tdiv = strtoul(value, &eptr, 0);
- if (*(const char *)value == 0 || *eptr != 0) {
- printf("invalid twiddle_divisor '%s'\n", (const char *)value);
- return (CMD_ERROR);
- }
- twiddle_divisor((u_int)tdiv);
- env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL);
+ tdiv = strtoul(value, &eptr, 0);
+ if (*(const char *)value == 0 || *eptr != 0) {
+ printf("invalid twiddle_divisor '%s'\n", (const char *)value);
+ return (CMD_ERROR);
+ }
+ twiddle_divisor((u_int)tdiv);
+ env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL);
- return(CMD_OK);
+ return (CMD_OK);
}
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