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-rw-r--r--lib/vsprintf.c84
1 files changed, 50 insertions, 34 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index af4aaa6c36f..24112e5a578 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -381,8 +381,8 @@ static noinline char *put_dec(char *buf, unsigned long long num)
#define PLUS 4 /* show plus */
#define SPACE 8 /* space if plus */
#define LEFT 16 /* left justified */
-#define SMALL 32 /* Must be 32 == 0x20 */
-#define SPECIAL 64 /* 0x */
+#define SMALL 32 /* use lowercase in hex (must be 32 == 0x20) */
+#define SPECIAL 64 /* prefix hex with "0x", octal with "0" */
enum format_type {
FORMAT_TYPE_NONE, /* Just a string part */
@@ -408,12 +408,12 @@ enum format_type {
};
struct printf_spec {
- enum format_type type;
- int flags; /* flags to number() */
- int field_width; /* width of output field */
- int base;
- int precision; /* # of digits/chars */
- int qualifier;
+ u16 type;
+ s16 field_width; /* width of output field */
+ u8 flags; /* flags to number() */
+ u8 base;
+ s8 precision; /* # of digits/chars */
+ u8 qualifier;
};
static char *number(char *buf, char *end, unsigned long long num,
@@ -597,22 +597,35 @@ static char *resource_string(char *buf, char *end, struct resource *res,
#ifndef MEM_RSRC_PRINTK_SIZE
#define MEM_RSRC_PRINTK_SIZE 10
#endif
- struct printf_spec hex_spec = {
+ static const struct printf_spec io_spec = {
.base = 16,
+ .field_width = IO_RSRC_PRINTK_SIZE,
.precision = -1,
.flags = SPECIAL | SMALL | ZEROPAD,
};
- struct printf_spec dec_spec = {
+ static const struct printf_spec mem_spec = {
+ .base = 16,
+ .field_width = MEM_RSRC_PRINTK_SIZE,
+ .precision = -1,
+ .flags = SPECIAL | SMALL | ZEROPAD,
+ };
+ static const struct printf_spec bus_spec = {
+ .base = 16,
+ .field_width = 2,
+ .precision = -1,
+ .flags = SMALL | ZEROPAD,
+ };
+ static const struct printf_spec dec_spec = {
.base = 10,
.precision = -1,
.flags = 0,
};
- struct printf_spec str_spec = {
+ static const struct printf_spec str_spec = {
.field_width = -1,
.precision = 10,
.flags = LEFT,
};
- struct printf_spec flag_spec = {
+ static const struct printf_spec flag_spec = {
.base = 16,
.precision = -1,
.flags = SPECIAL | SMALL,
@@ -622,47 +635,48 @@ static char *resource_string(char *buf, char *end, struct resource *res,
* 64-bit res (sizeof==8): 20 chars in dec, 18 in hex ("0x" + 16) */
#define RSRC_BUF_SIZE ((2 * sizeof(resource_size_t)) + 4)
#define FLAG_BUF_SIZE (2 * sizeof(res->flags))
-#define DECODED_BUF_SIZE sizeof("[mem - 64bit pref disabled]")
+#define DECODED_BUF_SIZE sizeof("[mem - 64bit pref window disabled]")
#define RAW_BUF_SIZE sizeof("[mem - flags 0x]")
char sym[max(2*RSRC_BUF_SIZE + DECODED_BUF_SIZE,
2*RSRC_BUF_SIZE + FLAG_BUF_SIZE + RAW_BUF_SIZE)];
char *p = sym, *pend = sym + sizeof(sym);
- int size = -1, addr = 0;
int decode = (fmt[0] == 'R') ? 1 : 0;
-
- if (res->flags & IORESOURCE_IO) {
- size = IO_RSRC_PRINTK_SIZE;
- addr = 1;
- } else if (res->flags & IORESOURCE_MEM) {
- size = MEM_RSRC_PRINTK_SIZE;
- addr = 1;
- }
+ const struct printf_spec *specp;
*p++ = '[';
- if (res->flags & IORESOURCE_IO)
+ if (res->flags & IORESOURCE_IO) {
p = string(p, pend, "io ", str_spec);
- else if (res->flags & IORESOURCE_MEM)
+ specp = &io_spec;
+ } else if (res->flags & IORESOURCE_MEM) {
p = string(p, pend, "mem ", str_spec);
- else if (res->flags & IORESOURCE_IRQ)
+ specp = &mem_spec;
+ } else if (res->flags & IORESOURCE_IRQ) {
p = string(p, pend, "irq ", str_spec);
- else if (res->flags & IORESOURCE_DMA)
+ specp = &dec_spec;
+ } else if (res->flags & IORESOURCE_DMA) {
p = string(p, pend, "dma ", str_spec);
- else {
+ specp = &dec_spec;
+ } else if (res->flags & IORESOURCE_BUS) {
+ p = string(p, pend, "bus ", str_spec);
+ specp = &bus_spec;
+ } else {
p = string(p, pend, "??? ", str_spec);
+ specp = &mem_spec;
decode = 0;
}
- hex_spec.field_width = size;
- p = number(p, pend, res->start, addr ? hex_spec : dec_spec);
+ p = number(p, pend, res->start, *specp);
if (res->start != res->end) {
*p++ = '-';
- p = number(p, pend, res->end, addr ? hex_spec : dec_spec);
+ p = number(p, pend, res->end, *specp);
}
if (decode) {
if (res->flags & IORESOURCE_MEM_64)
p = string(p, pend, " 64bit", str_spec);
if (res->flags & IORESOURCE_PREFETCH)
p = string(p, pend, " pref", str_spec);
+ if (res->flags & IORESOURCE_WINDOW)
+ p = string(p, pend, " window", str_spec);
if (res->flags & IORESOURCE_DISABLED)
p = string(p, pend, " disabled", str_spec);
} else {
@@ -1333,7 +1347,7 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
break;
case FORMAT_TYPE_NRCHARS: {
- int qualifier = spec.qualifier;
+ u8 qualifier = spec.qualifier;
if (qualifier == 'l') {
long *ip = va_arg(args, long *);
@@ -1619,7 +1633,7 @@ do { \
case FORMAT_TYPE_NRCHARS: {
/* skip %n 's argument */
- int qualifier = spec.qualifier;
+ u8 qualifier = spec.qualifier;
void *skip_arg;
if (qualifier == 'l')
skip_arg = va_arg(args, long *);
@@ -1885,7 +1899,9 @@ int vsscanf(const char *buf, const char *fmt, va_list args)
char *next;
char digit;
int num = 0;
- int qualifier, base, field_width;
+ u8 qualifier;
+ u8 base;
+ s16 field_width;
bool is_sign;
while (*fmt && *str) {
@@ -1963,7 +1979,7 @@ int vsscanf(const char *buf, const char *fmt, va_list args)
{
char *s = (char *)va_arg(args, char *);
if (field_width == -1)
- field_width = INT_MAX;
+ field_width = SHORT_MAX;
/* first, skip leading white space in buffer */
str = skip_spaces(str);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-07 19:03:40 +0000