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/* Copyright (C) 2008 The Android Open Source Project
**
** This software is licensed under the terms of the GNU General Public
** License version 2, as published by the Free Software Foundation, and
** may be copied, distributed, and modified under those terms.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
*/
#include "android/utils/system.h"
#include "android/utils/assert.h"
#include <stdlib.h>
#include <stdio.h>
#ifdef _WIN32
# define WIN32_LEAN_AND_MEAN
# include <windows.h> /* for Sleep */
#else
# include <unistd.h> /* for usleep */
#endif
void*
android_alloc( size_t size )
{
void* block;
if (size == 0)
return NULL;
block = malloc(size);
if (block != NULL)
return block;
fprintf(stderr, "PANIC: not enough memory\n");
exit(1);
return NULL;
}
void*
android_alloc0( size_t size )
{
void* block;
if (size == 0)
return NULL;
block = calloc(1, size);
if (block != NULL)
return block;
fprintf(stderr, "PANIC: not enough memory\n");
exit(1);
return NULL;
}
void*
android_realloc( void* block, size_t size )
{
void* block2;
if (size == 0) {
free(block);
return NULL;
}
block2 = realloc(block, size);
if (block2 != NULL)
return block2;
fprintf(stderr, "PANIC: not enough memory to reallocate %lld bytes\n", (uint64_t)size);
exit(1);
return NULL;
}
void
android_free( void* block )
{
if (block)
free(block);
}
void*
_android_array_alloc( size_t itemSize, size_t count )
{
#if ACONFIG_USE_ASSERT
size_t maxSize;
if (itemSize == 0)
AASSERT_FAIL("item size is 0\n");
maxSize = (~(size_t)0) / itemSize;
if (count > maxSize)
AASSERT_FAIL("allocation too large (%d > %d)\n", count, maxSize);
#endif
return android_alloc(itemSize * count);
}
void*
_android_array_alloc0( size_t itemSize, size_t count )
{
void* block = _android_array_alloc(itemSize, count);
memset(block, 0, itemSize*count);
return block;
}
void*
_android_array_realloc( void* block, size_t itemSize, size_t count )
{
#if ACONFIG_USE_ASSERT
size_t maxSize;
if (itemSize == 0)
AASSERT_FAIL("item size is 0\n");
maxSize = (~(size_t)0) / itemSize;
if (count > maxSize)
AASSERT_FAIL("reallocation of %d-bytes array too large (%d > %d)\n",
itemSize, count, maxSize);
#endif
return android_realloc(block, itemSize*count);
}
char*
android_strdup( const char* str )
{
int len;
char* copy;
if (str == NULL)
return NULL;
len = strlen(str);
copy = malloc(len+1);
memcpy(copy, str, len);
copy[len] = 0;
return copy;
}
#ifdef _WIN32
char*
win32_strsep(char** pline, const char* delim)
{
char* line = *pline;
char* p = line;
if (p == NULL)
return NULL;
for (;;) {
int c = *p++;
const char* q = delim;
if (c == 0) {
p = NULL;
break;
}
while (*q) {
if (*q == c) {
p[-1] = 0;
goto Exit;
}
q++;
}
}
Exit:
*pline = p;
return line;
}
#endif
void
disable_sigalrm( signal_state_t *state )
{
#ifdef _WIN32
(void)state;
#else
sigset_t set;
sigemptyset(&set);
sigaddset(&set, SIGALRM);
pthread_sigmask (SIG_BLOCK, &set, &state->old);
#endif
}
void
restore_sigalrm( signal_state_t *state )
{
#ifdef _WIN32
(void)state;
#else
pthread_sigmask (SIG_SETMASK, &state->old, NULL);
#endif
}
void
sleep_ms( int timeout_ms )
{
#ifdef _WIN32
if (timeout_ms <= 0)
return;
Sleep( timeout_ms );
#else
if (timeout_ms <= 0)
return;
BEGIN_NOSIGALRM
usleep( timeout_ms*1000 );
END_NOSIGALRM
#endif
}
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