/branches/dynload/kernel/generic/src/event/event.c |
---|
0,0 → 1,153 |
/* |
* Copyright (c) 2009 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
* @brief Kernel event notifications. |
*/ |
#include <event/event.h> |
#include <event/event_types.h> |
#include <mm/slab.h> |
#include <arch/types.h> |
#include <synch/spinlock.h> |
#include <console/console.h> |
#include <memstr.h> |
#include <errno.h> |
#include <arch.h> |
/** |
* The events array. |
* Arranging the events in this two-dimensional array should decrease the |
* likelyhood of cacheline ping-pong. |
*/ |
static event_t *events[EVENT_END]; |
/** Initialize kernel events. */ |
void event_init(void) |
{ |
int i; |
for (i = 0; i < EVENT_END; i++) { |
events[i] = (event_t *) malloc(sizeof(event_t), 0); |
spinlock_initialize(&events[i]->lock, "event.lock"); |
events[i]->answerbox = NULL; |
events[i]->counter = 0; |
events[i]->method = 0; |
} |
} |
static int |
event_subscribe(event_type_t e, unative_t method, answerbox_t *answerbox) |
{ |
if (e >= EVENT_END) |
return ELIMIT; |
int res = EEXISTS; |
event_t *event = events[e]; |
spinlock_lock(&event->lock); |
if (!event->answerbox) { |
event->answerbox = answerbox; |
event->method = method; |
event->counter = 0; |
res = EOK; |
} |
spinlock_unlock(&event->lock); |
return res; |
} |
unative_t sys_event_subscribe(unative_t evno, unative_t method) |
{ |
return (unative_t) event_subscribe((event_type_t) evno, (unative_t) |
method, &TASK->answerbox); |
} |
bool event_is_subscribed(event_type_t e) |
{ |
bool res; |
ASSERT(e < EVENT_END); |
spinlock_lock(&events[e]->lock); |
res = events[e]->answerbox != NULL; |
spinlock_unlock(&events[e]->lock); |
return res; |
} |
void event_cleanup_answerbox(answerbox_t *answerbox) |
{ |
int i; |
for (i = 0; i < EVENT_END; i++) { |
spinlock_lock(&events[i]->lock); |
if (events[i]->answerbox == answerbox) { |
events[i]->answerbox = NULL; |
events[i]->counter = 0; |
events[i]->method = 0; |
} |
spinlock_unlock(&events[i]->lock); |
} |
} |
void |
event_notify(event_type_t e, unative_t a1, unative_t a2, unative_t a3, |
unative_t a4, unative_t a5) |
{ |
ASSERT(e < EVENT_END); |
event_t *event = events[e]; |
spinlock_lock(&event->lock); |
if (event->answerbox) { |
call_t *call = ipc_call_alloc(FRAME_ATOMIC); |
if (call) { |
call->flags |= IPC_CALL_NOTIF; |
call->priv = ++event->counter; |
IPC_SET_METHOD(call->data, event->method); |
IPC_SET_ARG1(call->data, a1); |
IPC_SET_ARG2(call->data, a2); |
IPC_SET_ARG3(call->data, a3); |
IPC_SET_ARG4(call->data, a4); |
IPC_SET_ARG5(call->data, a5); |
spinlock_lock(&event->answerbox->irq_lock); |
list_append(&call->link, &event->answerbox->irq_notifs); |
spinlock_unlock(&event->answerbox->irq_lock); |
waitq_wakeup(&event->answerbox->wq, WAKEUP_FIRST); |
} |
} |
spinlock_unlock(&event->lock); |
} |
/** @} |
*/ |
/branches/dynload/kernel/generic/src/main/main.c |
---|
82,6 → 82,7 |
#include <smp/smp.h> |
#include <ddi/ddi.h> |
#include <main/main.h> |
#include <event/event.h> |
/** Global configuration structure. */ |
config_t config; |
255,12 → 256,9 |
printf("No init binaries found\n"); |
LOG_EXEC(ipc_init()); |
LOG_EXEC(event_init()); |
LOG_EXEC(klog_init()); |
#ifdef CONFIG_KCONSOLE |
LOG_EXEC(kconsole_notify_init()); |
#endif |
/* |
* Create kernel task. |
*/ |
/branches/dynload/kernel/generic/src/ddi/device.c |
---|
31,7 → 31,7 |
*/ |
/** |
* @file |
* @brief Device numbers. |
* @brief Device numbers. |
*/ |
#include <arch/types.h> |
47,13 → 47,16 |
*/ |
devno_t device_assign_devno(void) |
{ |
devno_t devno; |
devno = (devno_t) atomic_postinc(&last); |
devno_t devno = (devno_t) atomic_postinc(&last); |
ASSERT(devno >= 0); |
return devno; |
} |
unative_t sys_device_assign_devno(void) |
{ |
return (unative_t) device_assign_devno(); |
} |
/** @} |
*/ |
/branches/dynload/kernel/generic/src/console/console.c |
---|
39,20 → 39,23 |
#include <synch/waitq.h> |
#include <synch/spinlock.h> |
#include <arch/types.h> |
#include <ddi/device.h> |
#include <ddi/irq.h> |
#include <ddi/ddi.h> |
#include <event/event.h> |
#include <ipc/irq.h> |
#include <arch.h> |
#include <func.h> |
#include <print.h> |
#include <putchar.h> |
#include <atomic.h> |
#include <syscall/copy.h> |
#include <errno.h> |
#define KLOG_SIZE PAGE_SIZE |
#define KLOG_LATENCY 8 |
#define KLOG_SIZE PAGE_SIZE |
#define KLOG_LATENCY 8 |
/** Kernel log cyclic buffer */ |
static char klog[KLOG_SIZE] __attribute__ ((aligned (PAGE_SIZE))); |
static wchar_t klog[KLOG_SIZE] __attribute__ ((aligned (PAGE_SIZE))); |
/** Kernel log initialized */ |
static bool klog_inited = false; |
93,18 → 96,12 |
ASSERT(KLOG_SIZE % FRAME_SIZE == 0); |
klog_parea.pbase = (uintptr_t) faddr; |
klog_parea.frames = SIZE2FRAMES(KLOG_SIZE); |
klog_parea.frames = SIZE2FRAMES(sizeof(klog)); |
ddi_parea_register(&klog_parea); |
sysinfo_set_item_val("klog.faddr", NULL, (unative_t) faddr); |
sysinfo_set_item_val("klog.pages", NULL, SIZE2FRAMES(KLOG_SIZE)); |
sysinfo_set_item_val("klog.pages", NULL, SIZE2FRAMES(sizeof(klog))); |
//irq_initialize(&klog_irq); |
//klog_irq.devno = devno; |
//klog_irq.inr = KLOG_VIRT_INR; |
//klog_irq.claim = klog_claim; |
//irq_register(&klog_irq); |
spinlock_lock(&klog_lock); |
klog_inited = true; |
spinlock_unlock(&klog_lock); |
122,6 → 119,24 |
arch_release_console(); |
} |
/** Tell kernel to get keyboard/console access again */ |
unative_t sys_debug_enable_console(void) |
{ |
#ifdef CONFIG_KCONSOLE |
grab_console(); |
return true; |
#else |
return false; |
#endif |
} |
/** Tell kernel to relinquish keyboard/console access */ |
unative_t sys_debug_disable_console(void) |
{ |
release_console(); |
return true; |
} |
bool check_poll(indev_t *indev) |
{ |
if (indev == NULL) |
223,15 → 238,15 |
{ |
spinlock_lock(&klog_lock); |
// if ((klog_inited) && (klog_irq.notif_cfg.notify) && (klog_uspace > 0)) { |
// ipc_irq_send_msg_3(&klog_irq, klog_start, klog_len, klog_uspace); |
// klog_uspace = 0; |
// } |
if ((klog_inited) && (event_is_subscribed(EVENT_KLOG)) && (klog_uspace > 0)) { |
event_notify_3(EVENT_KLOG, klog_start, klog_len, klog_uspace); |
klog_uspace = 0; |
} |
spinlock_unlock(&klog_lock); |
} |
void putchar(char c) |
void putchar(const wchar_t ch) |
{ |
spinlock_lock(&klog_lock); |
244,7 → 259,7 |
} |
/* Store character in the cyclic kernel log */ |
klog[(klog_start + klog_len) % KLOG_SIZE] = c; |
klog[(klog_start + klog_len) % KLOG_SIZE] = ch; |
if (klog_len < KLOG_SIZE) |
klog_len++; |
else |
251,7 → 266,7 |
klog_start = (klog_start + 1) % KLOG_SIZE; |
if ((stdout) && (stdout->op->write)) |
stdout->op->write(stdout, c, silent); |
stdout->op->write(stdout, ch, silent); |
else { |
/* The character is just in the kernel log */ |
if (klog_stored < klog_len) |
264,7 → 279,7 |
/* Check notify uspace to update */ |
bool update; |
if ((klog_uspace > KLOG_LATENCY) || (c == '\n')) |
if ((klog_uspace > KLOG_LATENCY) || (ch == '\n')) |
update = true; |
else |
update = false; |
275,5 → 290,38 |
klog_update(); |
} |
/** Print using kernel facility |
* |
* Print to kernel log. |
* |
*/ |
unative_t sys_klog(int fd, const void * buf, size_t count) |
{ |
char *data; |
int rc; |
if (count > PAGE_SIZE) |
return ELIMIT; |
if (count > 0) { |
data = (char *) malloc(count + 1, 0); |
if (!data) |
return ENOMEM; |
rc = copy_from_uspace(data, buf, count); |
if (rc) { |
free(data); |
return rc; |
} |
data[count] = 0; |
printf("%s", data); |
free(data); |
} else |
klog_update(); |
return count; |
} |
/** @} |
*/ |
/branches/dynload/kernel/generic/src/console/cmd.c |
---|
64,6 → 64,7 |
#include <proc/task.h> |
#include <ipc/ipc.h> |
#include <ipc/irq.h> |
#include <event/event.h> |
#include <symtab.h> |
#include <errno.h> |
954,8 → 955,7 |
printf("The kernel will now relinquish the console.\n"); |
release_console(); |
if ((kconsole_notify) && (kconsole_irq.notif_cfg.notify)) |
ipc_irq_send_msg_0(&kconsole_irq); |
event_notify_0(EVENT_KCONSOLE); |
return 1; |
} |
/branches/dynload/kernel/generic/src/console/chardev.c |
---|
33,7 → 33,6 |
*/ |
#include <console/chardev.h> |
#include <putchar.h> |
#include <synch/waitq.h> |
#include <synch/spinlock.h> |
/branches/dynload/kernel/generic/src/console/kconsole.c |
---|
55,6 → 55,7 |
#include <ddi/device.h> |
#include <symtab.h> |
#include <errno.h> |
#include <putchar.h> |
/** Simple kernel console. |
* |
87,30 → 88,6 |
index_t *end); |
static char history[KCONSOLE_HISTORY][MAX_CMDLINE] = {}; |
/* |
* For now, we use 0 as INR. |
* However, it is therefore desirable to have architecture specific |
* definition of KCONSOLE_VIRT_INR in the future. |
*/ |
#define KCONSOLE_VIRT_INR 0 |
bool kconsole_notify = false; |
irq_t kconsole_irq; |
/** Allways refuse IRQ ownership. |
* |
* This is not a real IRQ, so we always decline. |
* |
* @return Always returns IRQ_DECLINE. |
* |
*/ |
static irq_ownership_t kconsole_claim(irq_t *irq) |
{ |
return IRQ_DECLINE; |
} |
/** Initialize kconsole data structures |
* |
* This is the most basic initialization, almost no |
126,30 → 103,6 |
history[i][0] = '\0'; |
} |
/** Initialize kconsole notification mechanism |
* |
* Initialize the virtual IRQ notification mechanism. |
* |
*/ |
void kconsole_notify_init(void) |
{ |
devno_t devno = device_assign_devno(); |
sysinfo_set_item_val("kconsole.present", NULL, true); |
sysinfo_set_item_val("kconsole.devno", NULL, devno); |
sysinfo_set_item_val("kconsole.inr", NULL, KCONSOLE_VIRT_INR); |
irq_initialize(&kconsole_irq); |
kconsole_irq.devno = devno; |
kconsole_irq.inr = KCONSOLE_VIRT_INR; |
kconsole_irq.claim = kconsole_claim; |
irq_register(&kconsole_irq); |
kconsole_notify = true; |
} |
/** Register kconsole command. |
* |
* @param cmd Structure describing the command. |
207,9 → 160,9 |
} |
/** Print count times a character */ |
static void rdln_print_c(char ch, int count) |
static void rdln_print_c(wchar_t ch, count_t count) |
{ |
int i; |
count_t i; |
for (i = 0; i < count; i++) |
putchar(ch); |
} |
/branches/dynload/kernel/generic/src/printf/sprintf.c |
---|
File deleted |
/branches/dynload/kernel/generic/src/printf/vsprintf.c |
---|
File deleted |
/branches/dynload/kernel/generic/src/printf/printf.c |
---|
26,7 → 26,7 |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
33,19 → 33,18 |
*/ |
#include <print.h> |
int printf(const char *fmt, ...); |
int printf(const char *fmt, ...) |
{ |
int ret; |
va_list args; |
va_start(args, fmt); |
ret = vprintf(fmt, args); |
va_end(args); |
return ret; |
} |
/branches/dynload/kernel/generic/src/printf/snprintf.c |
---|
26,7 → 26,7 |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
42,9 → 42,9 |
va_start(args, fmt); |
ret = vsnprintf(str, size, fmt, args); |
va_end(args); |
return ret; |
} |
/branches/dynload/kernel/generic/src/printf/vprintf.c |
---|
26,7 → 26,7 |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
39,28 → 39,58 |
#include <arch/asm.h> |
#include <arch/types.h> |
#include <typedefs.h> |
#include <string.h> |
SPINLOCK_INITIALIZE(printf_lock); /**< vprintf spinlock */ |
SPINLOCK_INITIALIZE(printf_lock); /**< vprintf spinlock */ |
static int vprintf_write(const char *str, size_t count, void *unused) |
static int vprintf_write_utf8(const char *str, size_t size, void *data) |
{ |
size_t i; |
for (i = 0; i < count; i++) |
putchar(str[i]); |
return i; |
index_t index = 0; |
index_t chars = 0; |
while (index < size) { |
putchar(utf8_decode(str, &index, size - 1)); |
index++; |
chars++; |
} |
return chars; |
} |
int puts(const char *s) |
static int vprintf_write_utf32(const wchar_t *str, size_t size, void *data) |
{ |
size_t i; |
for (i = 0; s[i] != 0; i++) |
putchar(s[i]); |
return i; |
index_t index = 0; |
while (index < (size / sizeof(wchar_t))) { |
putchar(str[index]); |
index++; |
} |
return index; |
} |
int puts(const char *str) |
{ |
index_t index = 0; |
index_t chars = 0; |
wchar_t uc; |
while ((uc = utf8_decode(str, &index, UTF8_NO_LIMIT)) != 0) { |
putchar(uc); |
index++; |
chars++; |
} |
return chars; |
} |
int vprintf(const char *fmt, va_list ap) |
{ |
struct printf_spec ps = {(int(*)(void *, size_t, void *)) vprintf_write, NULL}; |
printf_spec_t ps = { |
vprintf_write_utf8, |
vprintf_write_utf32, |
NULL |
}; |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&printf_lock); |
/branches/dynload/kernel/generic/src/printf/vsnprintf.c |
---|
26,7 → 26,7 |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
34,62 → 34,149 |
#include <print.h> |
#include <printf/printf_core.h> |
#include <string.h> |
#include <memstr.h> |
struct vsnprintf_data { |
size_t size; /* total space for string */ |
size_t len; /* count of currently used characters */ |
char *string; /* destination string */ |
}; |
typedef struct { |
size_t size; /* Total size of the buffer (in bytes) */ |
size_t len; /* Number of already used bytes */ |
char *dst; /* Destination */ |
} vsnprintf_data_t; |
/** Write string to given buffer. |
* Write at most data->size characters including trailing zero. According to C99, snprintf() has to return number |
* of characters that would have been written if enough space had been available. Hence the return value is not |
* number of really printed characters but size of the input string. Number of really used characters |
* is stored in data->len. |
* @param str source string to print |
* @param count size of source string |
* @param data structure with destination string, counter of used space and total string size. |
* @return number of characters to print (not characters really printed!) |
/** Write UTF-8 string to given buffer. |
* |
* Write at most data->size plain characters including trailing zero. |
* According to C99, snprintf() has to return number of characters that |
* would have been written if enough space had been available. Hence |
* the return value is not the number of actually printed characters |
* but size of the input string. |
* |
* @param str Source UTF-8 string to print. |
* @param size Number of plain characters in str. |
* @param data Structure describing destination string, counter |
* of used space and total string size. |
* |
* @return Number of UTF-8 characters to print (not characters actually |
* printed). |
* |
*/ |
static int vsnprintf_write(const char *str, size_t count, struct vsnprintf_data *data) |
static int vsnprintf_write_utf8(const char *str, size_t size, vsnprintf_data_t *data) |
{ |
size_t i; |
i = data->size - data->len; |
if (i == 0) { |
return count; |
} |
size_t left = data->size - data->len; |
if (i == 1) { |
/* We have only one free byte left in buffer => write there trailing zero */ |
data->string[data->size - 1] = 0; |
if (left == 0) |
return ((int) size); |
if (left == 1) { |
/* We have only one free byte left in buffer |
* -> store trailing zero |
*/ |
data->dst[data->size - 1] = 0; |
data->len = data->size; |
return count; |
return ((int) size); |
} |
if (i <= count) { |
/* We have not enought space for whole string with the trailing zero => print only a part of string */ |
memcpy((void *)(data->string + data->len), (void *)str, i - 1); |
data->string[data->size - 1] = 0; |
if (left <= size) { |
/* We have not enought space for whole string |
* with the trailing zero => print only a part |
* of string |
*/ |
index_t index = 0; |
while (index < size) { |
wchar_t uc = utf8_decode(str, &index, size - 1); |
if (!utf8_encode(uc, data->dst, &data->len, data->size - 2)) |
break; |
data->len++; |
index++; |
} |
/* Put trailing zero at end, but not count it |
* into data->len so it could be rewritten next time |
*/ |
data->dst[data->len] = 0; |
return ((int) size); |
} |
/* Buffer is big enought to print the whole string */ |
memcpy((void *)(data->dst + data->len), (void *) str, size); |
data->len += size; |
/* Put trailing zero at end, but not count it |
* into data->len so it could be rewritten next time |
*/ |
data->dst[data->len] = 0; |
return ((int) size); |
} |
/** Write UTF-32 string to given buffer. |
* |
* Write at most data->size plain characters including trailing zero. |
* According to C99, snprintf() has to return number of characters that |
* would have been written if enough space had been available. Hence |
* the return value is not the number of actually printed characters |
* but size of the input string. |
* |
* @param str Source UTF-32 string to print. |
* @param size Number of bytes in str. |
* @param data Structure describing destination string, counter |
* of used space and total string size. |
* |
* @return Number of UTF-8 characters to print (not characters actually |
* printed). |
* |
*/ |
static int vsnprintf_write_utf32(const wchar_t *str, size_t size, vsnprintf_data_t *data) |
{ |
index_t index = 0; |
while (index < (size / sizeof(wchar_t))) { |
size_t left = data->size - data->len; |
if (left == 0) |
return ((int) size); |
if (left == 1) { |
/* We have only one free byte left in buffer |
* -> store trailing zero |
*/ |
data->dst[data->size - 1] = 0; |
data->len = data->size; |
return count; |
return ((int) size); |
} |
if (!utf8_encode(str[index], data->dst, &data->len, data->size - 2)) |
break; |
data->len++; |
index++; |
} |
/* Buffer is big enought to print whole string */ |
memcpy((void *)(data->string + data->len), (void *)str, count); |
data->len += count; |
/* Put trailing zero at end, but not count it into data->len so it could be rewritten next time */ |
data->string[data->len] = 0; |
return count; |
/* Put trailing zero at end, but not count it |
* into data->len so it could be rewritten next time |
*/ |
data->dst[data->len] = 0; |
return ((int) size); |
} |
int vsnprintf(char *str, size_t size, const char *fmt, va_list ap) |
{ |
struct vsnprintf_data data = {size, 0, str}; |
struct printf_spec ps = {(int(*)(void *, size_t, void *))vsnprintf_write, &data}; |
vsnprintf_data_t data = { |
size, |
0, |
str |
}; |
printf_spec_t ps = { |
(int(*) (const char *, size_t, void *)) vsnprintf_write_utf8, |
(int(*) (const wchar_t *, size_t, void *)) vsnprintf_write_utf32, |
&data |
}; |
/* Print 0 at end of string - fix the case that nothing will be printed */ |
if (size > 0) |
str[0] = 0; |
/branches/dynload/kernel/generic/src/printf/printf_core.c |
---|
1,6 → 1,7 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* Copyright (c) 2006 Josef Cejka |
* Copyright (c) 2009 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
27,16 → 28,15 |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
* @brief Printing functions. |
* @brief Printing functions. |
*/ |
#include <printf/printf_core.h> |
#include <putchar.h> |
#include <print.h> |
#include <arch/arg.h> |
#include <macros.h> |
44,21 → 44,21 |
#include <arch.h> |
/** show prefixes 0x or 0 */ |
#define __PRINTF_FLAG_PREFIX 0x00000001 |
#define __PRINTF_FLAG_PREFIX 0x00000001 |
/** signed / unsigned number */ |
#define __PRINTF_FLAG_SIGNED 0x00000002 |
#define __PRINTF_FLAG_SIGNED 0x00000002 |
/** print leading zeroes */ |
#define __PRINTF_FLAG_ZEROPADDED 0x00000004 |
#define __PRINTF_FLAG_ZEROPADDED 0x00000004 |
/** align to left */ |
#define __PRINTF_FLAG_LEFTALIGNED 0x00000010 |
#define __PRINTF_FLAG_LEFTALIGNED 0x00000010 |
/** always show + sign */ |
#define __PRINTF_FLAG_SHOWPLUS 0x00000020 |
#define __PRINTF_FLAG_SHOWPLUS 0x00000020 |
/** print space instead of plus */ |
#define __PRINTF_FLAG_SPACESIGN 0x00000040 |
#define __PRINTF_FLAG_SPACESIGN 0x00000040 |
/** show big characters */ |
#define __PRINTF_FLAG_BIGCHARS 0x00000080 |
#define __PRINTF_FLAG_BIGCHARS 0x00000080 |
/** number has - sign */ |
#define __PRINTF_FLAG_NEGATIVE 0x00000100 |
#define __PRINTF_FLAG_NEGATIVE 0x00000100 |
/** |
* Buffer big enough for 64-bit number printed in base 2, sign, prefix and 0 |
65,7 → 65,7 |
* to terminate string... (last one is only for better testing end of buffer by |
* zero-filling subroutine) |
*/ |
#define PRINT_NUMBER_BUFFER_SIZE (64 + 5) |
#define PRINT_NUMBER_BUFFER_SIZE (64 + 5) |
/** Enumeration of possible arguments types. |
*/ |
78,69 → 78,102 |
PrintfQualifierPointer |
} qualifier_t; |
static char nullstr[] = "(NULL)"; |
static char digits_small[] = "0123456789abcdef"; |
static char digits_big[] = "0123456789ABCDEF"; |
/** Print one or more characters without adding newline. |
/** Print one or more UTF-8 characters without adding newline. |
* |
* @param buf Buffer with size at least count bytes. NULL pointer is |
* not allowed! |
* @param count Number of characters to print. |
* @param ps Output method and its data. |
* @return Number of characters printed. |
* @param buf Buffer holding UTF-8 characters with size of |
* at least size bytes. NULL is not allowed! |
* @param size Size of the buffer in bytes. |
* @param ps Output method and its data. |
* |
* @return Number of UTF-8 characters printed. |
* |
*/ |
static int printf_putnchars(const char * buf, size_t count, |
struct printf_spec *ps) |
static int printf_putnchars_utf8(const char *buf, size_t size, |
printf_spec_t *ps) |
{ |
return ps->write((void *) buf, count, ps->data); |
return ps->write_utf8((void *) buf, size, ps->data); |
} |
/** Print a string without adding a newline. |
/** Print one or more UTF-32 characters without adding newline. |
* |
* @param str String to print. |
* @param ps Write function specification and support data. |
* @return Number of characters printed. |
* @param buf Buffer holding UTF-32 characters with size of |
* at least size bytes. NULL is not allowed! |
* @param size Size of the buffer in bytes. |
* @param ps Output method and its data. |
* |
* @return Number of UTF-32 characters printed. |
* |
*/ |
static int printf_putstr(const char * str, struct printf_spec *ps) |
static int printf_putnchars_utf32(const wchar_t *buf, size_t size, |
printf_spec_t *ps) |
{ |
size_t count; |
return ps->write_utf32((void *) buf, size, ps->data); |
} |
/** Print UTF-8 string without adding a newline. |
* |
* @param str UTF-8 string to print. |
* @param ps Write function specification and support data. |
* |
* @return Number of UTF-8 characters printed. |
* |
*/ |
static int printf_putstr(const char *str, printf_spec_t *ps) |
{ |
if (str == NULL) |
return printf_putnchars_utf8(nullstr, strlen(nullstr), ps); |
if (str == NULL) { |
char *nullstr = "(NULL)"; |
return printf_putnchars(nullstr, strlen(nullstr), ps); |
} |
return ps->write_utf8((void *) str, strlen(str), ps->data); |
} |
count = strlen(str); |
return ps->write((void *) str, count, ps->data); |
/** Print one ASCII character. |
* |
* @param c ASCII character to be printed. |
* @param ps Output method. |
* |
* @return Number of characters printed. |
* |
*/ |
static int printf_putchar(const char ch, printf_spec_t *ps) |
{ |
if (!ascii_check(ch)) |
return ps->write_utf8((void *) &invalch, 1, ps->data); |
return ps->write_utf8(&ch, 1, ps->data); |
} |
/** Print one character. |
/** Print one UTF-32 character. |
* |
* @param c Character to be printed. |
* @param ps Output method. |
* @param c UTF-32 character to be printed. |
* @param ps Output method. |
* |
* @return Number of characters printed. |
* @return Number of characters printed. |
* |
*/ |
static int printf_putchar(int c, struct printf_spec *ps) |
static int printf_putwchar(const wchar_t ch, printf_spec_t *ps) |
{ |
unsigned char ch = c; |
if (!unicode_check(ch)) |
return ps->write_utf8((void *) &invalch, 1, ps->data); |
return ps->write((void *) &ch, 1, ps->data); |
return ps->write_utf32(&ch, sizeof(wchar_t), ps->data); |
} |
/** Print one formatted character. |
/** Print one formatted ASCII character. |
* |
* @param c Character to print. |
* @param width Width modifier. |
* @param flags Flags that change the way the character is printed. |
* @param ch Character to print. |
* @param width Width modifier. |
* @param flags Flags that change the way the character is printed. |
* |
* @return Number of characters printed, negative value on failure. |
* @return Number of characters printed, negative value on failure. |
* |
*/ |
static int print_char(char c, int width, uint64_t flags, struct printf_spec *ps) |
static int print_char(const char ch, int width, uint32_t flags, printf_spec_t *ps) |
{ |
int counter = 0; |
count_t counter = 0; |
if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
while (--width > 0) { |
/* |
147,106 → 180,183 |
* One space is consumed by the character itself, hence |
* the predecrement. |
*/ |
if (printf_putchar(' ', ps) > 0) |
++counter; |
if (printf_putchar(' ', ps) > 0) |
counter++; |
} |
} |
if (printf_putchar(c, ps) > 0) |
if (printf_putchar(ch, ps) > 0) |
counter++; |
while (--width > 0) { |
/* |
* One space is consumed by the character itself, hence |
* the predecrement. |
*/ |
if (printf_putchar(' ', ps) > 0) |
counter++; |
} |
return (int) (counter + 1); |
} |
while (--width > 0) { |
/** Print one formatted UTF-32 character. |
* |
* @param ch Character to print. |
* @param width Width modifier. |
* @param flags Flags that change the way the character is printed. |
* |
* @return Number of characters printed, negative value on failure. |
* |
*/ |
static int print_wchar(const wchar_t ch, int width, uint32_t flags, printf_spec_t *ps) |
{ |
count_t counter = 0; |
if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
while (--width > 0) { |
/* |
* One space is consumed by the character itself, hence |
* the predecrement. |
*/ |
if (printf_putchar(' ', ps) > 0) |
counter++; |
} |
} |
if (printf_putwchar(ch, ps) > 0) |
counter++; |
while (--width > 0) { |
/* |
* One space is consumed by the character itself, hence |
* the predecrement. |
*/ |
if (printf_putchar(' ', ps) > 0) |
++counter; |
counter++; |
} |
return ++counter; |
return (int) (counter + 1); |
} |
/** Print string. |
/** Print UTF-8 string. |
* |
* @param s String to be printed. |
* @param width Width modifier. |
* @param precision Precision modifier. |
* @param flags Flags that modify the way the string is printed. |
* @param str UTF-8 string to be printed. |
* @param width Width modifier. |
* @param precision Precision modifier. |
* @param flags Flags that modify the way the string is printed. |
* |
* @return Number of characters printed, negative value on failure. |
*/ |
static int print_string(char *s, int width, unsigned int precision, |
uint64_t flags, struct printf_spec *ps) |
* @return Number of UTF-8 characters printed, negative value on failure. |
*/ |
static int print_utf8(char *str, int width, unsigned int precision, |
uint32_t flags, printf_spec_t *ps) |
{ |
int counter = 0; |
size_t size; |
if (str == NULL) |
return printf_putstr(nullstr, ps); |
/* Print leading spaces */ |
size_t size = strlen_utf8(str); |
if (precision == 0) |
precision = size; |
count_t counter = 0; |
width -= precision; |
if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
while (width-- > 0) { |
if (printf_putchar(' ', ps) == 1) |
counter++; |
} |
} |
int retval; |
if (s == NULL) { |
return printf_putstr("(NULL)", ps); |
size_t bytes = utf8_count_bytes(str, min(size, precision)); |
if ((retval = printf_putnchars_utf8(str, bytes, ps)) < 0) |
return -counter; |
counter += retval; |
while (width-- > 0) { |
if (printf_putchar(' ', ps) == 1) |
counter++; |
} |
size = strlen(s); |
return ((int) counter); |
} |
/* print leading spaces */ |
if (precision == 0) |
/** Print UTF-32 string. |
* |
* @param str UTF-32 string to be printed. |
* @param width Width modifier. |
* @param precision Precision modifier. |
* @param flags Flags that modify the way the string is printed. |
* |
* @return Number of UTF-32 characters printed, negative value on failure. |
*/ |
static int print_utf32(wchar_t *str, int width, unsigned int precision, |
uint32_t flags, printf_spec_t *ps) |
{ |
if (str == NULL) |
return printf_putstr(nullstr, ps); |
/* Print leading spaces */ |
size_t size = strlen_utf32(str); |
if (precision == 0) |
precision = size; |
count_t counter = 0; |
width -= precision; |
if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
while (width-- > 0) { |
if (printf_putchar(' ', ps) == 1) |
while (width-- > 0) { |
if (printf_putchar(' ', ps) == 1) |
counter++; |
} |
} |
if ((retval = printf_putnchars(s, min(size, precision), ps)) < 0) { |
int retval; |
size_t bytes = min(size, precision) * sizeof(wchar_t); |
if ((retval = printf_putnchars_utf32(str, bytes, ps)) < 0) |
return -counter; |
} |
counter += retval; |
counter += retval; |
while (width-- > 0) { |
if (printf_putchar(' ', ps) == 1) |
++counter; |
if (printf_putchar(' ', ps) == 1) |
counter++; |
} |
return counter; |
return ((int) counter); |
} |
/** Print a number in a given base. |
* |
* Print significant digits of a number in given base. |
* |
* @param num Number to print. |
* @param widt Width modifier.h |
* @param precision Precision modifier. |
* @param base Base to print the number in (must be between 2 and 16). |
* @param flags Flags that modify the way the number is printed. |
* @param num Number to print. |
* @param width Width modifier. |
* @param precision Precision modifier. |
* @param base Base to print the number in (must be between 2 and 16). |
* @param flags Flags that modify the way the number is printed. |
* |
* @return Number of characters printed. |
* @return Number of characters printed. |
* |
*/ |
static int print_number(uint64_t num, int width, int precision, int base, |
uint64_t flags, struct printf_spec *ps) |
uint32_t flags, printf_spec_t *ps) |
{ |
char *digits = digits_small; |
char d[PRINT_NUMBER_BUFFER_SIZE]; |
char *ptr = &d[PRINT_NUMBER_BUFFER_SIZE - 1]; |
int size = 0; /* size of number with all prefixes and signs */ |
int number_size; /* size of plain number */ |
char sgn; |
int retval; |
int counter = 0; |
char *digits; |
if (flags & __PRINTF_FLAG_BIGCHARS) |
digits = digits_big; |
else |
digits = digits_small; |
if (flags & __PRINTF_FLAG_BIGCHARS) |
digits = digits_big; |
char data[PRINT_NUMBER_BUFFER_SIZE]; |
char *ptr = &data[PRINT_NUMBER_BUFFER_SIZE - 1]; |
*ptr-- = 0; /* Put zero at end of string */ |
/* Size of number with all prefixes and signs */ |
int size = 0; |
/* Put zero at end of string */ |
*ptr-- = 0; |
if (num == 0) { |
*ptr-- = '0'; |
size++; |
257,15 → 367,17 |
} while (num /= base); |
} |
number_size = size; |
/* Size of plain number */ |
int number_size = size; |
/* |
* Collect the sum of all prefixes/signs/... to calculate padding and |
* Collect the sum of all prefixes/signs/etc. to calculate padding and |
* leading zeroes. |
*/ |
if (flags & __PRINTF_FLAG_PREFIX) { |
switch(base) { |
case 2: /* Binary formating is not standard, but usefull */ |
case 2: |
/* Binary formating is not standard, but usefull */ |
size += 2; |
break; |
case 8: |
276,8 → 388,8 |
break; |
} |
} |
sgn = 0; |
char sgn = 0; |
if (flags & __PRINTF_FLAG_SIGNED) { |
if (flags & __PRINTF_FLAG_NEGATIVE) { |
sgn = '-'; |
290,48 → 402,46 |
size++; |
} |
} |
if (flags & __PRINTF_FLAG_LEFTALIGNED) { |
if (flags & __PRINTF_FLAG_LEFTALIGNED) |
flags &= ~__PRINTF_FLAG_ZEROPADDED; |
} |
/* |
* If the number is leftaligned or precision is specified then |
* zeropadding is ignored. |
* If the number is left-aligned or precision is specified then |
* padding with zeros is ignored. |
*/ |
if (flags & __PRINTF_FLAG_ZEROPADDED) { |
if ((precision == 0) && (width > size)) { |
if ((precision == 0) && (width > size)) |
precision = width - size + number_size; |
} |
} |
/* print leading spaces */ |
/* Print leading spaces */ |
if (number_size > precision) { |
/* print the whole number not only a part */ |
/* Print the whole number, not only a part */ |
precision = number_size; |
} |
width -= precision + size - number_size; |
count_t counter = 0; |
if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
while (width-- > 0) { |
if (printf_putchar(' ', ps) == 1) |
while (width-- > 0) { |
if (printf_putchar(' ', ps) == 1) |
counter++; |
} |
} |
/* print sign */ |
/* Print sign */ |
if (sgn) { |
if (printf_putchar(sgn, ps) == 1) |
counter++; |
} |
/* print prefix */ |
/* Print prefix */ |
if (flags & __PRINTF_FLAG_PREFIX) { |
switch(base) { |
case 2: /* Binary formating is not standard, but usefull */ |
case 2: |
/* Binary formating is not standard, but usefull */ |
if (printf_putchar('0', ps) == 1) |
counter++; |
if (flags & __PRINTF_FLAG_BIGCHARS) { |
359,150 → 469,151 |
break; |
} |
} |
/* print leading zeroes */ |
/* Print leading zeroes */ |
precision -= number_size; |
while (precision-- > 0) { |
while (precision-- > 0) { |
if (printf_putchar('0', ps) == 1) |
counter++; |
} |
/* print number itself */ |
if ((retval = printf_putstr(++ptr, ps)) > 0) { |
/* Print the number itself */ |
int retval; |
if ((retval = printf_putstr(++ptr, ps)) > 0) |
counter += retval; |
} |
/* print ending spaces */ |
/* Print tailing spaces */ |
while (width-- > 0) { |
if (printf_putchar(' ', ps) == 1) |
while (width-- > 0) { |
if (printf_putchar(' ', ps) == 1) |
counter++; |
} |
return counter; |
return ((int) counter); |
} |
/** Print formatted string. |
* |
* Print string formatted according to the fmt parameter and variadic arguments. |
* Each formatting directive must have the following form: |
* |
* \% [ FLAGS ] [ WIDTH ] [ .PRECISION ] [ TYPE ] CONVERSION |
* |
* \% [ FLAGS ] [ WIDTH ] [ .PRECISION ] [ TYPE ] CONVERSION |
* |
* FLAGS:@n |
* - "#" Force to print prefix.For \%o conversion, the prefix is 0, for |
* \%x and \%X prefixes are 0x and 0X and for conversion \%b the |
* prefix is 0b. |
* - "#" Force to print prefix. For \%o conversion, the prefix is 0, for |
* \%x and \%X prefixes are 0x and 0X and for conversion \%b the |
* prefix is 0b. |
* |
* - "-" Align to left. |
* - "-" Align to left. |
* |
* - "+" Print positive sign just as negative. |
* - "+" Print positive sign just as negative. |
* |
* - " " If the printed number is positive and "+" flag is not set, |
* print space in place of sign. |
* - " " If the printed number is positive and "+" flag is not set, |
* print space in place of sign. |
* |
* - "0" Print 0 as padding instead of spaces. Zeroes are placed between |
* sign and the rest of the number. This flag is ignored if "-" |
* flag is specified. |
* |
* - "0" Print 0 as padding instead of spaces. Zeroes are placed between |
* sign and the rest of the number. This flag is ignored if "-" |
* flag is specified. |
* |
* WIDTH:@n |
* - Specify the minimal width of a printed argument. If it is bigger, |
* width is ignored. If width is specified with a "*" character instead of |
* number, width is taken from parameter list. And integer parameter is |
* expected before parameter for processed conversion specification. If |
* this value is negative its absolute value is taken and the "-" flag is |
* set. |
* - Specify the minimal width of a printed argument. If it is bigger, |
* width is ignored. If width is specified with a "*" character instead of |
* number, width is taken from parameter list. And integer parameter is |
* expected before parameter for processed conversion specification. If |
* this value is negative its absolute value is taken and the "-" flag is |
* set. |
* |
* PRECISION:@n |
* - Value precision. For numbers it specifies minimum valid numbers. |
* Smaller numbers are printed with leading zeroes. Bigger numbers are not |
* affected. Strings with more than precision characters are cut off. Just |
* as with width, an "*" can be used used instead of a number. An integer |
* value is then expected in parameters. When both width and precision are |
* specified using "*", the first parameter is used for width and the |
* second one for precision. |
* |
* - Value precision. For numbers it specifies minimum valid numbers. |
* Smaller numbers are printed with leading zeroes. Bigger numbers are not |
* affected. Strings with more than precision characters are cut off. Just |
* as with width, an "*" can be used used instead of a number. An integer |
* value is then expected in parameters. When both width and precision are |
* specified using "*", the first parameter is used for width and the |
* second one for precision. |
* |
* TYPE:@n |
* - "hh" Signed or unsigned char.@n |
* - "h" Signed or unsigned short.@n |
* - "" Signed or unsigned int (default value).@n |
* - "l" Signed or unsigned long int.@n |
* - "ll" Signed or unsigned long long int.@n |
* |
* |
* - "hh" Signed or unsigned char.@n |
* - "h" Signed or unsigned short.@n |
* - "" Signed or unsigned int (default value).@n |
* - "l" Signed or unsigned long int.@n |
* If conversion is "c", the character is wchar_t (UTF-32).@n |
* If conversion is "s", the string is wchar_t * (UTF-32).@n |
* - "ll" Signed or unsigned long long int.@n |
* |
* CONVERSION:@n |
* - % Print percentile character itself. |
* - % Print percentile character itself. |
* |
* - c Print single character. |
* - c Print single character. The character is expected to be plain |
* ASCII (e.g. only values 0 .. 127 are valid).@n |
* If type is "l", then the character is expected to be UTF-32 |
* (e.g. values 0 .. 0x10ffff are valid). |
* |
* - s Print zero terminated string. If a NULL value is passed as |
* value, "(NULL)" is printed instead. |
* |
* - P, p Print value of a pointer. Void * value is expected and it is |
* printed in hexadecimal notation with prefix (as with \%#X / \%#x |
* for 32-bit or \%#X / \%#x for 64-bit long pointers). |
* - s Print zero terminated string. If a NULL value is passed as |
* value, "(NULL)" is printed instead.@n |
* The string is expected to be correctly encoded UTF-8 (or plain |
* ASCII, which is a subset of UTF-8).@n |
* If type is "l", then the string is expected to be correctly |
* encoded UTF-32. |
* |
* - b Print value as unsigned binary number. Prefix is not printed by |
* default. (Nonstandard extension.) |
* |
* - o Print value as unsigned octal number. Prefix is not printed by |
* default. |
* - P, p Print value of a pointer. Void * value is expected and it is |
* printed in hexadecimal notation with prefix (as with \%#X / \%#x |
* for 32-bit or \%#X / \%#x for 64-bit long pointers). |
* |
* - d, i Print signed decimal number. There is no difference between d |
* and i conversion. |
* - b Print value as unsigned binary number. Prefix is not printed by |
* default. (Nonstandard extension.) |
* |
* - u Print unsigned decimal number. |
* - o Print value as unsigned octal number. Prefix is not printed by |
* default. |
* |
* - X, x Print hexadecimal number with upper- or lower-case. Prefix is |
* not printed by default. |
* |
* - d, i Print signed decimal number. There is no difference between d |
* and i conversion. |
* |
* - u Print unsigned decimal number. |
* |
* - X, x Print hexadecimal number with upper- or lower-case. Prefix is |
* not printed by default. |
* |
* All other characters from fmt except the formatting directives are printed in |
* verbatim. |
* |
* @param fmt Formatting NULL terminated string. |
* @return Number of characters printed, negative value on failure. |
* @param fmt Formatting NULL terminated string (UTF-8 or plain ASCII). |
* |
* @return Number of UTF-8 characters printed, negative value on failure. |
* |
*/ |
int printf_core(const char *fmt, struct printf_spec *ps, va_list ap) |
int printf_core(const char *fmt, printf_spec_t *ps, va_list ap) |
{ |
int i = 0; /* index of the currently processed char from fmt */ |
int j = 0; /* index to the first not printed nonformating character */ |
int end; |
int counter; /* counter of printed characters */ |
int retval; /* used to store return values from called functions */ |
char c; |
qualifier_t qualifier; /* type of argument */ |
int base; /* base in which a numeric parameter will be printed */ |
uint64_t number; /* argument value */ |
size_t size; /* byte size of integer parameter */ |
int width, precision; |
uint64_t flags; |
index_t i = 0; /* Index of the currently processed character from fmt */ |
index_t j = 0; /* Index to the first not printed nonformating character */ |
counter = 0; |
while ((c = fmt[i])) { |
/* control character */ |
if (c == '%') { |
/* print common characters if any processed */ |
wchar_t uc; /* Current UTF-32 character decoded from fmt */ |
count_t counter = 0; /* Number of UTF-8 characters printed */ |
int retval; /* Return values from nested functions */ |
while ((uc = utf8_decode(fmt, &i, UTF8_NO_LIMIT)) != 0) { |
/* Control character */ |
if (uc == '%') { |
/* Print common characters if any processed */ |
if (i > j) { |
if ((retval = printf_putnchars(&fmt[j], |
(size_t)(i - j), ps)) < 0) { /* error */ |
if ((retval = printf_putnchars_utf8(&fmt[j], i - j, ps)) < 0) { |
/* Error */ |
counter = -counter; |
goto out; |
} |
counter += retval; |
} |
j = i; |
/* parse modifiers */ |
flags = 0; |
end = 0; |
/* Parse modifiers */ |
uint32_t flags = 0; |
bool end = false; |
do { |
++i; |
switch (c = fmt[i]) { |
i++; |
uc = utf8_decode(fmt, &i, UTF8_NO_LIMIT); |
switch (uc) { |
case '#': |
flags |= __PRINTF_FLAG_PREFIX; |
break; |
519,116 → 630,139 |
flags |= __PRINTF_FLAG_ZEROPADDED; |
break; |
default: |
end = 1; |
}; |
} while (end == 0); |
end = true; |
}; |
} while (!end); |
/* width & '*' operator */ |
width = 0; |
if (isdigit(fmt[i])) { |
while (isdigit(fmt[i])) { |
/* Width & '*' operator */ |
int width = 0; |
if (isdigit(uc)) { |
while ((uc = utf8_decode(fmt, &i, UTF8_NO_LIMIT)) != 0) { |
if (!isdigit(uc)) |
break; |
width *= 10; |
width += fmt[i++] - '0'; |
width += uc - '0'; |
i++; |
} |
} else if (fmt[i] == '*') { |
/* get width value from argument list */ |
} else if (uc == '*') { |
/* Get width value from argument list */ |
i++; |
uc = utf8_decode(fmt, &i, UTF8_NO_LIMIT); |
width = (int) va_arg(ap, int); |
if (width < 0) { |
/* negative width sets '-' flag */ |
/* Negative width sets '-' flag */ |
width *= -1; |
flags |= __PRINTF_FLAG_LEFTALIGNED; |
} |
} |
/* precision and '*' operator */ |
precision = 0; |
if (fmt[i] == '.') { |
++i; |
if (isdigit(fmt[i])) { |
while (isdigit(fmt[i])) { |
/* Precision and '*' operator */ |
int precision = 0; |
if (uc == '.') { |
i++; |
uc = utf8_decode(fmt, &i, UTF8_NO_LIMIT); |
if (isdigit(uc)) { |
while ((uc = utf8_decode(fmt, &i, UTF8_NO_LIMIT)) != 0) { |
if (!isdigit(uc)) |
break; |
precision *= 10; |
precision += fmt[i++] - '0'; |
precision += uc - '0'; |
i++; |
} |
} else if (fmt[i] == '*') { |
/* |
* Get precision value from the argument |
* list. |
*/ |
/* Get precision value from the argument list */ |
i++; |
uc = utf8_decode(fmt, &i, UTF8_NO_LIMIT); |
precision = (int) va_arg(ap, int); |
if (precision < 0) { |
/* ignore negative precision */ |
/* Ignore negative precision */ |
precision = 0; |
} |
} |
} |
switch (fmt[i++]) { |
/** @todo unimplemented qualifiers: |
* t ptrdiff_t - ISO C 99 |
qualifier_t qualifier; |
switch (uc) { |
/** @todo Unimplemented qualifiers: |
* t ptrdiff_t - ISO C 99 |
*/ |
case 'h': /* char or short */ |
case 'h': |
/* Char or short */ |
qualifier = PrintfQualifierShort; |
if (fmt[i] == 'h') { |
i++; |
uc = utf8_decode(fmt, &i, UTF8_NO_LIMIT); |
if (uc == 'h') { |
i++; |
uc = utf8_decode(fmt, &i, UTF8_NO_LIMIT); |
qualifier = PrintfQualifierByte; |
} |
break; |
case 'l': /* long or long long*/ |
case 'l': |
/* Long or long long */ |
qualifier = PrintfQualifierLong; |
if (fmt[i] == 'l') { |
i++; |
uc = utf8_decode(fmt, &i, UTF8_NO_LIMIT); |
if (uc == 'l') { |
i++; |
uc = utf8_decode(fmt, &i, UTF8_NO_LIMIT); |
qualifier = PrintfQualifierLongLong; |
} |
break; |
default: |
/* default type */ |
qualifier = PrintfQualifierInt; |
--i; |
} |
/* Default type */ |
qualifier = PrintfQualifierInt; |
} |
base = 10; |
switch (c = fmt[i]) { |
unsigned int base = 10; |
switch (uc) { |
/* |
* String and character conversions. |
*/ |
* String and character conversions. |
*/ |
case 's': |
if ((retval = print_string(va_arg(ap, char *), |
width, precision, flags, ps)) < 0) { |
if (qualifier == PrintfQualifierLong) |
retval = print_utf32(va_arg(ap, wchar_t *), width, precision, flags, ps); |
else |
retval = print_utf8(va_arg(ap, char *), width, precision, flags, ps); |
if (retval < 0) { |
counter = -counter; |
goto out; |
}; |
} |
counter += retval; |
j = i + 1; |
j = i + 1; |
goto next_char; |
case 'c': |
c = va_arg(ap, unsigned int); |
retval = print_char(c, width, flags, ps); |
if (qualifier == PrintfQualifierLong) |
retval = print_wchar(va_arg(ap, wchar_t), width, flags, ps); |
else |
retval = print_char(va_arg(ap, unsigned int), width, flags, ps); |
if (retval < 0) { |
counter = -counter; |
goto out; |
}; |
counter += retval; |
j = i + 1; |
goto next_char; |
/* |
/* |
* Integer values |
*/ |
case 'P': /* pointer */ |
case 'P': |
/* Pointer */ |
flags |= __PRINTF_FLAG_BIGCHARS; |
case 'p': |
flags |= __PRINTF_FLAG_PREFIX; |
base = 16; |
qualifier = PrintfQualifierPointer; |
break; |
case 'b': |
break; |
case 'b': |
base = 2; |
break; |
case 'o': |
636,7 → 770,7 |
break; |
case 'd': |
case 'i': |
flags |= __PRINTF_FLAG_SIGNED; |
flags |= __PRINTF_FLAG_SIGNED; |
case 'u': |
break; |
case 'X': |
644,10 → 778,12 |
case 'x': |
base = 16; |
break; |
/* percentile itself */ |
case '%': |
/* Percentile itself */ |
case '%': |
j = i; |
goto next_char; |
/* |
* Bad formatting. |
*/ |
656,12 → 792,12 |
* Unknown format. Now, j is the index of '%' |
* so we will print whole bad format sequence. |
*/ |
goto next_char; |
goto next_char; |
} |
/* Print integers */ |
/* print number */ |
/* Print integers */ |
size_t size; |
uint64_t number; |
switch (qualifier) { |
case PrintfQualifierByte: |
size = sizeof(unsigned char); |
687,7 → 823,8 |
size = sizeof(void *); |
number = (uint64_t) (unsigned long) va_arg(ap, void *); |
break; |
default: /* Unknown qualifier */ |
default: |
/* Unknown qualifier */ |
counter = -counter; |
goto out; |
} |
695,7 → 832,7 |
if (flags & __PRINTF_FLAG_SIGNED) { |
if (number & (0x1 << (size * 8 - 1))) { |
flags |= __PRINTF_FLAG_NEGATIVE; |
if (size == sizeof(uint64_t)) { |
number = -((int64_t) number); |
} else { |
707,33 → 844,32 |
} |
} |
} |
if ((retval = print_number(number, width, precision, |
base, flags, ps)) < 0) { |
counter = -counter; |
goto out; |
} |
counter += retval; |
j = i + 1; |
} |
} |
next_char: |
++i; |
i++; |
} |
if (i > j) { |
if ((retval = printf_putnchars(&fmt[j], (unative_t) (i - j), |
ps)) < 0) { /* error */ |
if ((retval = printf_putnchars_utf8(&fmt[j], i - j, ps)) < 0) { |
/* Error */ |
counter = -counter; |
goto out; |
} |
counter += retval; |
} |
out: |
return counter; |
return ((int) counter); |
} |
/** @} |
/branches/dynload/kernel/generic/src/lib/string.c |
---|
42,22 → 42,269 |
#include <arch.h> |
#include <console/kconsole.h> |
/** Return number of characters in a string. |
char invalch = '?'; |
/** Decode a single UTF-8 character from a NULL-terminated string. |
* |
* @param str NULL terminated string. |
* Decode a single UTF-8 character from a plain char NULL-terminated |
* string. Decoding starts at @index and this index is incremented |
* if the current UTF-8 string is encoded in more than a single byte. |
* |
* @param str Plain character NULL-terminated string. |
* @param index Index (counted in plain characters) where to start |
* the decoding. |
* @param limit Maximal allowed value of index. |
* |
* @return Decoded character in UTF-32 or '?' if the encoding is wrong. |
* |
*/ |
wchar_t utf8_decode(const char *str, index_t *index, index_t limit) |
{ |
uint8_t c1; /* First plain character from str */ |
uint8_t c2; /* Second plain character from str */ |
uint8_t c3; /* Third plain character from str */ |
uint8_t c4; /* Fourth plain character from str */ |
if (*index > limit) |
return invalch; |
c1 = (uint8_t) str[*index]; |
if ((c1 & 0x80) == 0) { |
/* Plain ASCII (code points 0 .. 127) */ |
return (wchar_t) c1; |
} |
if ((c1 & 0xe0) == 0xc0) { |
/* Code points 128 .. 2047 */ |
if (*index + 1 > limit) |
return invalch; |
c2 = (uint8_t) str[*index + 1]; |
if ((c2 & 0xc0) == 0x80) { |
(*index)++; |
return ((wchar_t) ((c1 & 0x1f) << 6) | (c2 & 0x3f)); |
} else |
return invalch; |
} |
if ((c1 & 0xf0) == 0xe0) { |
/* Code points 2048 .. 65535 */ |
if (*index + 2 > limit) |
return invalch; |
c2 = (uint8_t) str[*index + 1]; |
if ((c2 & 0xc0) == 0x80) { |
(*index)++; |
c3 = (uint8_t) str[*index + 1]; |
if ((c3 & 0xc0) == 0x80) { |
(*index)++; |
return ((wchar_t) ((c1 & 0x0f) << 12) | ((c2 & 0x3f) << 6) | (c3 & 0x3f)); |
} else |
return invalch; |
} else |
return invalch; |
} |
if ((c1 & 0xf8) == 0xf0) { |
/* Code points 65536 .. 1114111 */ |
if (*index + 3 > limit) |
return invalch; |
c2 = (uint8_t) str[*index + 1]; |
if ((c2 & 0xc0) == 0x80) { |
(*index)++; |
c3 = (uint8_t) str[*index + 1]; |
if ((c3 & 0xc0) == 0x80) { |
(*index)++; |
c4 = (uint8_t) str[*index + 1]; |
if ((c4 & 0xc0) == 0x80) { |
(*index)++; |
return ((wchar_t) ((c1 & 0x07) << 18) | ((c2 & 0x3f) << 12) | ((c3 & 0x3f) << 6) | (c4 & 0x3f)); |
} else |
return invalch; |
} else |
return invalch; |
} else |
return invalch; |
} |
return invalch; |
} |
/** Encode a single UTF-32 character as UTF-8 |
* |
* Encode a single UTF-32 character as UTF-8 and store it into |
* the given buffer at @index. Encoding starts at @index and |
* this index is incremented if the UTF-8 character takes |
* more than a single byte. |
* |
* @param ch Input UTF-32 character. |
* @param str Output buffer. |
* @param index Index (counted in plain characters) where to start |
* the encoding |
* @param limit Maximal allowed value of index. |
* |
* @return True if the character was encoded or false if there is not |
* enought space in the output buffer or the character is invalid |
* Unicode code point. |
* |
*/ |
bool utf8_encode(const wchar_t ch, char *str, index_t *index, index_t limit) |
{ |
if (*index > limit) |
return false; |
if ((ch >= 0) && (ch <= 127)) { |
/* Plain ASCII (code points 0 .. 127) */ |
str[*index] = ch & 0x7f; |
return true; |
} |
if ((ch >= 128) && (ch <= 2047)) { |
/* Code points 128 .. 2047 */ |
if (*index + 1 > limit) |
return false; |
str[*index] = 0xc0 | ((ch >> 6) & 0x1f); |
(*index)++; |
str[*index] = 0x80 | (ch & 0x3f); |
return true; |
} |
if ((ch >= 2048) && (ch <= 65535)) { |
/* Code points 2048 .. 65535 */ |
if (*index + 2 > limit) |
return false; |
str[*index] = 0xe0 | ((ch >> 12) & 0x0f); |
(*index)++; |
str[*index] = 0x80 | ((ch >> 6) & 0x3f); |
(*index)++; |
str[*index] = 0x80 | (ch & 0x3f); |
return true; |
} |
if ((ch >= 65536) && (ch <= 1114111)) { |
/* Code points 65536 .. 1114111 */ |
if (*index + 3 > limit) |
return false; |
str[*index] = 0xf0 | ((ch >> 18) & 0x07); |
(*index)++; |
str[*index] = 0x80 | ((ch >> 12) & 0x3f); |
(*index)++; |
str[*index] = 0x80 | ((ch >> 6) & 0x3f); |
(*index)++; |
str[*index] = 0x80 | (ch & 0x3f); |
return true; |
} |
return false; |
} |
/** Get bytes used by UTF-8 characters. |
* |
* Get the number of bytes (count of plain characters) which |
* are used by a given count of UTF-8 characters in a string. |
* As UTF-8 encoding is multibyte, there is no constant |
* correspondence between number of characters and used bytes. |
* |
* @param str UTF-8 string to consider. |
* @param count Number of UTF-8 characters to count. |
* |
* @return Number of bytes used by the characters. |
* |
*/ |
size_t utf8_count_bytes(const char *str, count_t count) |
{ |
size_t size = 0; |
index_t index = 0; |
while ((utf8_decode(str, &index, UTF8_NO_LIMIT) != 0) && (size < count)) { |
size++; |
index++; |
} |
return index; |
} |
/** Check whether character is plain ASCII. |
* |
* @return True if character is plain ASCII. |
* |
*/ |
bool ascii_check(const wchar_t ch) |
{ |
if ((ch >= 0) && (ch <= 127)) |
return true; |
return false; |
} |
/** Check whether character is Unicode. |
* |
* @return True if character is valid Unicode code point. |
* |
*/ |
bool unicode_check(const wchar_t ch) |
{ |
if ((ch >= 0) && (ch <= 1114111)) |
return true; |
return false; |
} |
/** Return number of plain characters in a string. |
* |
* @param str NULL-terminated string. |
* |
* @return Number of characters in str. |
* |
*/ |
size_t strlen(const char *str) |
{ |
int i; |
size_t size; |
for (size = 0; str[size]; size++); |
for (i = 0; str[i]; i++); |
return size; |
} |
/** Return number of UTF-8 characters in a string. |
* |
* @param str NULL-terminated UTF-8 string. |
* |
* @return Number of UTF-8 characters in str. |
* |
*/ |
size_t strlen_utf8(const char *str) |
{ |
size_t size = 0; |
index_t index = 0; |
return i; |
while (utf8_decode(str, &index, UTF8_NO_LIMIT) != 0) { |
size++; |
index++; |
} |
return size; |
} |
/** Return number of UTF-32 characters in a string. |
* |
* @param str NULL-terminated UTF-32 string. |
* |
* @return Number of UTF-32 characters in str. |
* |
*/ |
size_t strlen_utf32(const wchar_t *str) |
{ |
size_t size; |
for (size = 0; str[size]; size++); |
return size; |
} |
/** Compare two NULL terminated strings |
* |
* Do a char-by-char comparison of two NULL terminated strings. |
/branches/dynload/kernel/generic/src/mm/slab.c |
---|
129,7 → 129,7 |
static slab_cache_t *slab_extern_cache; |
/** Caches for malloc */ |
static slab_cache_t *malloc_caches[SLAB_MAX_MALLOC_W - SLAB_MIN_MALLOC_W + 1]; |
char *malloc_names[] = { |
static char *malloc_names[] = { |
"malloc-16", |
"malloc-32", |
"malloc-64", |
144,7 → 144,11 |
"malloc-32K", |
"malloc-64K", |
"malloc-128K", |
"malloc-256K" |
"malloc-256K", |
"malloc-512K", |
"malloc-1M", |
"malloc-2M", |
"malloc-4M" |
}; |
/** Slab descriptor */ |
/branches/dynload/kernel/generic/src/syscall/syscall.c |
---|
32,9 → 32,9 |
/** |
* @file |
* @brief Syscall table and syscall wrappers. |
* @brief Syscall table and syscall wrappers. |
*/ |
#include <syscall/syscall.h> |
#include <proc/thread.h> |
#include <proc/task.h> |
41,64 → 41,19 |
#include <proc/program.h> |
#include <mm/as.h> |
#include <print.h> |
#include <putchar.h> |
#include <errno.h> |
#include <arch.h> |
#include <debug.h> |
#include <ddi/device.h> |
#include <ipc/sysipc.h> |
#include <synch/futex.h> |
#include <synch/smc.h> |
#include <ddi/ddi.h> |
#include <event/event.h> |
#include <security/cap.h> |
#include <syscall/copy.h> |
#include <sysinfo/sysinfo.h> |
#include <console/console.h> |
#include <udebug/udebug.h> |
/** Print using kernel facility |
* |
* Print to kernel log. |
* |
*/ |
static unative_t sys_klog(int fd, const void * buf, size_t count) |
{ |
char *data; |
int rc; |
if (count > PAGE_SIZE) |
return ELIMIT; |
if (count > 0) { |
data = (char *) malloc(count + 1, 0); |
if (!data) |
return ENOMEM; |
rc = copy_from_uspace(data, buf, count); |
if (rc) { |
free(data); |
return rc; |
} |
data[count] = 0; |
printf("%s", data); |
free(data); |
} else |
klog_update(); |
return count; |
} |
/** Tell kernel to get keyboard/console access again */ |
static unative_t sys_debug_enable_console(void) |
{ |
#ifdef CONFIG_KCONSOLE |
grab_console(); |
return true; |
#else |
return false; |
#endif |
} |
/** Print a hex integer into klog */ |
static unative_t sys_debug_putint(unative_t i) |
{ |
106,23 → 61,17 |
return 0; |
} |
/** Tell kernel to relinquish keyboard/console access */ |
static unative_t sys_debug_disable_console(void) |
{ |
release_console(); |
return true; |
} |
/** Dispatch system call */ |
unative_t syscall_handler(unative_t a1, unative_t a2, unative_t a3, |
unative_t a4, unative_t a5, unative_t a6, unative_t id) |
{ |
unative_t rc; |
#ifdef CONFIG_UDEBUG |
udebug_syscall_event(a1, a2, a3, a4, a5, a6, id, 0, false); |
#endif |
if (id < SYSCALL_END) { |
if (id < SYSCALL_END) { |
rc = syscall_table[id](a1, a2, a3, a4, a5, a6); |
} else { |
printf("Task %" PRIu64": Unknown syscall %#" PRIxn, TASK->taskid, id); |
129,13 → 78,13 |
task_kill(TASK->taskid); |
thread_exit(); |
} |
if (THREAD->interrupted) |
thread_exit(); |
#ifdef CONFIG_UDEBUG |
udebug_syscall_event(a1, a2, a3, a4, a5, a6, id, rc, true); |
/* |
* Stopping point needed for tasks that only invoke non-blocking |
* system calls. |
142,7 → 91,8 |
*/ |
udebug_stoppable_begin(); |
udebug_stoppable_end(); |
#endif |
#endif |
return rc; |
} |
183,6 → 133,9 |
(syshandler_t) sys_ipc_hangup, |
(syshandler_t) sys_ipc_register_irq, |
(syshandler_t) sys_ipc_unregister_irq, |
/* Event notification syscalls. */ |
(syshandler_t) sys_event_subscribe, |
/* Capabilities related syscalls. */ |
(syshandler_t) sys_cap_grant, |
189,6 → 142,7 |
(syshandler_t) sys_cap_revoke, |
/* DDI related syscalls. */ |
(syshandler_t) sys_device_assign_devno, |
(syshandler_t) sys_physmem_map, |
(syshandler_t) sys_iospace_enable, |
(syshandler_t) sys_preempt_control, |
/branches/dynload/kernel/generic/src/ipc/ipc.c |
---|
44,6 → 44,7 |
#include <synch/synch.h> |
#include <ipc/ipc.h> |
#include <ipc/kbox.h> |
#include <event/event.h> |
#include <errno.h> |
#include <mm/slab.h> |
#include <arch.h> |
51,6 → 52,7 |
#include <memstr.h> |
#include <debug.h> |
#include <print.h> |
#include <console/console.h> |
#include <proc/thread.h> |
526,6 → 528,9 |
for (i = 0; i < IPC_MAX_PHONES; i++) |
ipc_phone_hangup(&TASK->phones[i]); |
/* Unsubscribe from any event notifications. */ |
event_cleanup_answerbox(&TASK->answerbox); |
/* Disconnect all connected irqs */ |
ipc_irq_cleanup(&TASK->answerbox); |