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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#include "mysys_priv.h"
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#include "mysys/mysys_priv.h"
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#include <mystrings/m_string.h>
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#include "my_static.h"
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#include "mysys_err.h"
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#include "mysys/mysys_err.h"
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#ifdef HAVE_PATHS_H
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implementation, it's main use is to generate a file with
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a name that does not already exist.
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When passing O_TEMPORARY flag in "mode" the file should
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be automatically deleted
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The implementation using mkstemp should be considered the
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reference implementation when adding a new or modifying an
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File create_temp_file(char *to, const char *dir, const char *prefix,
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int mode __attribute__((unused)),
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myf MyFlags __attribute__((unused)))
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File create_temp_file(char *to, const char *dir, const char *prefix, myf MyFlags)
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dir=getenv("TMPDIR");
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if ((res=tempnam((char*) dir,(char *) prefix)))
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strmake(to,res,FN_REFLEN-1);
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strncpy(to,res,FN_REFLEN-1);
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file=my_create(to, 0, mode | O_EXCL | O_NOFOLLOW, MyFlags);
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file=my_create(to, 0, mode | O_EXCL, MyFlags);
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#elif defined(HAVE_MKSTEMP)
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pfx_len= (uint) (stpcpy(stpncpy(prefix_buff,
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prefix ? prefix : "tmp.",
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sizeof(prefix_buff)-7),"XXXXXX") -
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prefix_str= prefix ? prefix : "tmp.";
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prefix_str.append("XXXXXX");
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if (!dir && ! (dir =getenv("TMPDIR")))
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if (strlen(dir)+ pfx_len > FN_REFLEN-2)
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if (strlen(dir)+prefix_str.length() > FN_REFLEN-2)
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errno=my_errno= ENAMETOOLONG;
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stpcpy(convert_dirname(to,dir,NullS),prefix_buff);
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strcpy(convert_dirname(to,dir,NULL),prefix_str.c_str());
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org_file=mkstemp(to);
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if (mode & O_TEMPORARY)
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/* TODO: This was old behavior, but really don't we want to
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* unlink files immediately under all circumstances?
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* if (mode & O_TEMPORARY)
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(void) my_delete(to, MYF(MY_WME | ME_NOINPUT));
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file=my_register_filename(org_file, to, FILE_BY_MKSTEMP,
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EE_CANTCREATEFILE, MyFlags);
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file=my_register_filename(org_file, to, EE_CANTCREATEFILE, MyFlags);
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/* If we didn't manage to register the name, remove the temp file */
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if (org_file >= 0 && file < 0)
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if ((res=tempnam((char*) dir, (char*) prefix)))
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strmake(to,res,FN_REFLEN-1);
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strncpy(to,res,FN_REFLEN-1);
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file=my_create(to,0,
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(int) (O_RDWR | O_BINARY | O_TRUNC | O_EXCL | O_NOFOLLOW |
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O_TEMPORARY | O_SHORT_LIVED),
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(int) (O_RDWR | O_TRUNC | O_EXCL),