summaryrefslogtreecommitdiff
path: root/ext/mysql/libmysql/my_tempnam.c
diff options
context:
space:
mode:
Diffstat (limited to 'ext/mysql/libmysql/my_tempnam.c')
-rw-r--r--ext/mysql/libmysql/my_tempnam.c147
1 files changed, 0 insertions, 147 deletions
diff --git a/ext/mysql/libmysql/my_tempnam.c b/ext/mysql/libmysql/my_tempnam.c
deleted file mode 100644
index 4a854aea0b..0000000000
--- a/ext/mysql/libmysql/my_tempnam.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
-This file is public domain and comes with NO WARRANTY of any kind */
-
-/*
- This function is only used by some old ISAM code.
- When we remove ISAM support from MySQL, we should also delete this file
-
- One should instead use the functions in mf_tempfile.c
-*/
-
-#include "mysys_priv.h"
-#include <m_string.h>
-#include "my_static.h"
-#include "mysys_err.h"
-
-#define TMP_EXT ".tmp" /* Extension of tempfile */
-#if ! defined(P_tmpdir)
-#define P_tmpdir ""
-#endif
-
-#ifdef HAVE_TEMPNAM
-#if !defined( MSDOS) && !defined(OS2)
-extern char **environ;
-#endif
-#endif
-
-/* Make a uniq temp file name by using dir and adding something after
- pfx to make name uniq. Name is made by adding a uniq 8 length-string and
- TMP_EXT after pfx.
- Returns pointer to malloced area for filename. Should be freed by
- free().
- The name should be uniq, but it isn't checked if it file allready exists.
- Uses tempnam() if function exist on system.
- This function fixes that if dir is given it's used. For example
- MSDOS tempnam() uses always TMP environment-variable if it exists.
-*/
- /* ARGSUSED */
-
-my_string my_tempnam(const char *dir, const char *pfx,
- myf MyFlags __attribute__((unused)))
-{
-#ifdef _MSC_VER
- char temp[FN_REFLEN],*end,*res,**old_env,*temp_env[1];
- old_env=environ;
- if (dir)
- {
- end=strend(dir)-1;
- if (!dir[0])
- { /* Change empty string to current dir */
- temp[0]= FN_CURLIB;
- temp[1]= 0;
- dir=temp;
- }
- else if (*end == FN_DEVCHAR)
- { /* Get current dir for drive */
- _fullpath(temp,dir,FN_REFLEN);
- dir=temp;
- }
- else if (*end == FN_LIBCHAR && dir < end && end[-1] != FN_DEVCHAR)
- {
- strmake(temp,dir,(uint) (end-dir)); /* Copy and remove last '\' */
- dir=temp;
- }
- environ=temp_env; /* Force use of dir (dir not checked) */
- temp_env[0]=0;
- }
- res=tempnam((char*) dir,(my_string) pfx);
- environ=old_env;
- return res;
-#else
-#ifdef __ZTC__
- if (!dir)
- { /* If empty test first if TMP can be used */
- dir=getenv("TMP");
- }
- return tempnam((char*) dir,(my_string) pfx); /* Use stand. dir with prefix */
-#else
-#ifdef HAVE_TEMPNAM
- char temp[2],*res,**old_env,*temp_env[1];
-
- if (dir && !dir[0])
- { /* Change empty string to current dir */
- temp[0]= FN_CURLIB;
- temp[1]= 0;
- dir=temp;
- }
-#ifdef OS2
- /* changing environ variable doesn't work with VACPP */
- char buffer[256];
- sprintf( buffer, "TMP=%s", dir);
- /* remove ending backslash */
- if (buffer[strlen(buffer)-1] == '\\')
- buffer[strlen(buffer)-1] = '\0';
- putenv( buffer);
-#else
- old_env=(char**)environ;
- if (dir)
- { /* Don't use TMPDIR if dir is given */
- ((char **)environ)=(char**)temp_env; /* May give warning */
- temp_env[0]=0;
- }
-#endif
- res=tempnam((char*) dir,(my_string) pfx); /* Use stand. dir with prefix */
-#ifndef OS2
- ((char**)environ)=(char**)old_env; /* May give warning */
-#endif
- if (!res)
- DBUG_PRINT("error",("Got error: %d from tempnam",errno));
- return res;
-#else
- register long uniq;
- register int length;
- my_string pos,end_pos;
- DBUG_ENTER("my_tempnam");
- /* Make a uniq nummber */
- pthread_mutex_lock(&THR_LOCK_open);
- uniq= ((long) getpid() << 20) + (long) _my_tempnam_used++ ;
- pthread_mutex_unlock(&THR_LOCK_open);
- if (!dir && !(dir=getenv("TMPDIR"))) /* Use this if possibly */
- dir=P_tmpdir; /* Use system default */
- length=strlen(dir)+strlen(pfx)+1;
-
- DBUG_PRINT("test",("mallocing %d byte",length+8+sizeof(TMP_EXT)+1));
- if (!(pos=(char*) malloc(length+8+sizeof(TMP_EXT)+1)))
- {
- if (MyFlags & MY_FAE+MY_WME)
- my_error(EE_OUTOFMEMORY, MYF(ME_BELL+ME_WAITTANG),
- length+8+sizeof(TMP_EXT)+1);
- DBUG_RETURN(NullS);
- }
- end_pos=strmov(pos,dir);
- if (end_pos != pos && end_pos[-1] != FN_LIBCHAR)
- *end_pos++=FN_LIBCHAR;
- end_pos=strmov(end_pos,pfx);
-
- for (length=0 ; length < 8 && uniq ; length++)
- {
- *end_pos++= _dig_vec[(int) (uniq & 31)];
- uniq >>= 5;
- }
- VOID(strmov(end_pos,TMP_EXT));
- DBUG_PRINT("exit",("tempnam: '%s'",pos));
- DBUG_RETURN(pos);
-#endif /* HAVE_TEMPNAM */
-#endif /* __ZTC__ */
-#endif /* _MSC_VER */
-} /* my_tempnam */