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https://github.com/Atmosphere-NX/Atmosphere.git
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48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
#include <string.h>
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#include <stdarg.h>
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#include "log.h"
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#include "log_device_null.h"
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#include "log_device_uart.h"
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#include "fmt.h"
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#include "../synchronization.h"
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#ifndef NDEBUG
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static atomic_flag g_log_lock = ATOMIC_FLAG_INIT;
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static debug_log_device_t *dev;
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#endif
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void dbg_log_initialize(DebugLogDevice device) {
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#ifndef NDEBUG
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static debug_log_device_t *const devs[] = {&g_debug_log_device_null.super, &g_debug_log_device_uart.super};
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dev = device >= DEBUGLOGDEVICE_MAX ? &g_debug_log_device_null.super : devs[device];
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#else
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(void)device;
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#endif
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}
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/* NOTE: no bound checks are done */
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void dbg_log_write(const char *fmt, ...) {
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#ifndef NDEBUG
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char buf[DBG_LOG_BUF_SIZE];
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int len;
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va_list args;
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lock_acquire(&g_log_lock);
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va_start(args, fmt);
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len = visprintf(buf, fmt, args);
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va_end(args);
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dev->write_string(dev, buf, len);
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lock_release(&g_log_lock);
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#else
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(void)fmt;
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#endif
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}
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void dbg_log_finalize(void) {
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#ifndef NDEBUG
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dev->finalize(dev);
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dev = NULL;
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#endif
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}
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