MagickExport int AcquireUniqueFileResource(char *path)
{
#if !defined(O_NOFOLLOW)
#define O_NOFOLLOW 0
#endif
#if !defined(TMP_MAX)
# define TMP_MAX 238328
#endif
char
*resource;
int
c,
file;
register char
*p;
register long
i;
static const char
portable_filename[65] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789._";
unsigned char
key[8];
assert(path != (char *) NULL);
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
file=(-1);
for (i=0; i < TMP_MAX; i++)
{
/*
Get temporary pathname.
*/
(void) GetPathTemplate(path);
#if defined(HAVE_MKSTEMP)
file=mkstemp(path);
if (file != -1)
break;
#endif
GetRandomKey(key,8);
p=path+strlen(path)-8;
for (i=0; i < 8; i++)
{
c=(int) (key[i] & 0x3f);
*p++=portable_filename[c];
}
file=open(path,O_RDWR | O_CREAT | O_EXCL | O_BINARY | O_NOFOLLOW,S_MODE);
if ((file > 0) || (errno != EEXIST))
break;
}
(void) LogMagickEvent(ResourceEvent,GetMagickModule(),"%s",path);
if (file == -1)
return(file);
AcquireSemaphoreInfo(&resource_semaphore);
if (temporary_resources == (SplayTreeInfo *) NULL)
temporary_resources=NewSplayTree(CompareSplayTreeString,
RelinquishMagickMemory,DestroyTemporaryResources);
RelinquishSemaphoreInfo(resource_semaphore);
resource=ConstantString(path);
(void) AddValueToSplayTree(temporary_resources,resource,resource);
return(file);
}
MagickExport int AcquireUniqueFileResource(char *path)
{
#if !defined(O_NOFOLLOW)
#define O_NOFOLLOW 0
#endif
#if !defined(TMP_MAX)
# define TMP_MAX 238328
#endif
int
c,
file;
register char
*p;
register ssize_t
i;
static const char
portable_filename[65] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-";
StringInfo
*key;
unsigned char
*datum;
assert(path != (char *) NULL);
(void) LogMagickEvent(ResourceEvent,GetMagickModule(),"%s",path);
if (random_info == (RandomInfo *) NULL)
random_info=AcquireRandomInfo();
file=(-1);
for (i=0; i < (ssize_t) TMP_MAX; i++)
{
/*
Get temporary pathname.
*/
(void) GetPathTemplate(path);
key=GetRandomKey(random_info,2);
p=path+strlen(path)-8;
datum=GetStringInfoDatum(key);
for (i=0; i < (ssize_t) GetStringInfoLength(key); i++)
{
c=(int) (datum[i] & 0x3f);
*p++=portable_filename[c];
}
key=DestroyStringInfo(key);
#if defined(MAGICKCORE_HAVE_MKSTEMP)
file=mkstemp(path);
#if defined(__OS2__)
setmode(file,O_BINARY);
#endif
if (file != -1)
break;
#endif
key=GetRandomKey(random_info,6);
p=path+strlen(path)-6;
datum=GetStringInfoDatum(key);
for (i=0; i < (ssize_t) GetStringInfoLength(key); i++)
{
c=(int) (datum[i] & 0x3f);
*p++=portable_filename[c];
}
key=DestroyStringInfo(key);
file=open_utf8(path,O_RDWR | O_CREAT | O_EXCL | O_BINARY | O_NOFOLLOW,S_MODE);
if ((file >= 0) || (errno != EEXIST))
break;
}
(void) LogMagickEvent(ResourceEvent,GetMagickModule(),"%s",path);
if (file == -1)
return(file);
if (resource_semaphore == (SemaphoreInfo *) NULL)
AcquireSemaphoreInfo(&resource_semaphore);
LockSemaphoreInfo(resource_semaphore);
if (temporary_resources == (SplayTreeInfo *) NULL)
temporary_resources=NewSplayTree(CompareSplayTreeString,
DestroyTemporaryResources,(void *(*)(void *)) NULL);
UnlockSemaphoreInfo(resource_semaphore);
(void) AddValueToSplayTree(temporary_resources,ConstantString(path),
(const void *) NULL);
return(file);
}
MagickExport int AcquireUniqueFileResource(char *path)
{
#if !defined(O_NOFOLLOW)
#define O_NOFOLLOW 0
#endif
#if !defined(TMP_MAX)
# define TMP_MAX 238328
#endif
char
*resource;
int
c,
file;
register char
*p;
register long
i;
unsigned char
key[8];
assert(path != (char *) NULL);
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
file=(-1);
for (i=0; i < TMP_MAX; i++)
{
/*
Get temporary pathname.
*/
(void) GetPathTemplate(path);
#if defined(HAVE_MKSTEMP)
file=mkstemp(path);
if (file != -1)
break;
#endif
GetRandomKey(key,8);
p=path+strlen(path)-8;
for (i=0; i < 8; i++)
{
c=(int) (key[i] & 0x1f);
*p++=(char) (c > 9 ? c+(int) 'a'-10 : c+(int) '0');
}
file=open(path,O_RDWR | O_CREAT | O_EXCL | O_BINARY | O_NOFOLLOW,S_MODE);
if ((file > 0) || (errno != EEXIST))
break;
}
(void) LogMagickEvent(ResourceEvent,GetMagickModule(),"%s",path);
if (file == -1)
return(file);
(void) AcquireMagickResource(FileResource,1);
if (temporary_resources == (SplayTreeInfo *) NULL)
temporary_resources=NewSplayTree(CompareSplayTreeString,
RelinquishMagickMemory,DestroyTemporaryResources);
resource=ConstantString(AcquireString(path));
(void) AddValueToSplayTree(temporary_resources,resource,resource);
return(file);
}
