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flexnbd-c/src/util.c

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#include <stdarg.h>
#include <stdio.h>
#include <pthread.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <malloc.h>
#include <unistd.h>
#include "util.h"
pthread_key_t cleanup_handler_key;
int log_level = 2;
void error_init(void)
{
pthread_key_create(&cleanup_handler_key, free);
}
void error_handler(int fatal __attribute__ ((unused)) )
{
DECLARE_ERROR_CONTEXT(context);
if (!context) {
pthread_exit((void*) 1);
}
longjmp(context->jmp, 1);
}
void mylog(int line_level, const char* format, ...)
{
va_list argptr;
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if (line_level < log_level) { return; }
va_start(argptr, format);
vfprintf(stderr, format, argptr);
va_end(argptr);
fprintf(stderr, "\n");
}
void* xrealloc(void* ptr, size_t size)
{
void* p = realloc(ptr, size);
FATAL_IF_NULL(p, "couldn't xrealloc %d bytes", ptr ? "realloc" : "malloc", size);
return p;
}
void* xmalloc(size_t size)
{
void* p = xrealloc(NULL, size);
memset(p, 0, size);
return p;
}