X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=libiberty%2Fmkstemps.c;h=a0e68a73b4915d27d97b3b9d5d3779f6c3f7023f;hb=1903aa3536a887f693088b0404a8dd2214dfb6fc;hp=16c16a23263a2b77a0065494f7ea32a0d2c3e0a1;hpb=5b64ad42d36e6d487e1f7287d37fbc243a178e72;p=platform%2Fupstream%2Fbinutils.git diff --git a/libiberty/mkstemps.c b/libiberty/mkstemps.c index 16c16a2..a0e68a7 100644 --- a/libiberty/mkstemps.c +++ b/libiberty/mkstemps.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1992, 1996, 1998 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1992, 1996, 1998, 2004 Free Software Foundation, Inc. This file is derived from mkstemp.c from the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -13,13 +13,14 @@ You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, + Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif +#include #ifdef HAVE_STDLIB_H #include #endif @@ -39,7 +40,7 @@ /* We need to provide a type for gcc_uint64_t. */ #ifdef __GNUC__ -typedef unsigned long long gcc_uint64_t; +__extension__ typedef unsigned long long gcc_uint64_t; #else typedef unsigned long gcc_uint64_t; #endif @@ -48,22 +49,33 @@ typedef unsigned long gcc_uint64_t; #define TMP_MAX 16384 #endif -/* Generate a unique temporary file name from TEMPLATE. +#ifndef O_BINARY +# define O_BINARY 0 +#endif + +/* + +@deftypefn Replacement int mkstemps (char *@var{pattern}, int @var{suffix_len}) - TEMPLATE has the form: +Generate a unique temporary file name from @var{pattern}. +@var{pattern} has the form: - /ccXXXXXX +@example + @var{path}/ccXXXXXX@var{suffix} +@end example - SUFFIX_LEN tells us how long is (it can be zero length). +@var{suffix_len} tells us how long @var{suffix} is (it can be zero +length). The last six characters of @var{pattern} before @var{suffix} +must be @samp{XXXXXX}; they are replaced with a string that makes the +filename unique. Returns a file descriptor open on the file for +reading and writing. - The last six characters of TEMPLATE before must be "XXXXXX"; - they are replaced with a string that makes the filename unique. +@end deftypefn + +*/ - Returns a file descriptor open on the file for reading and writing. */ int -mkstemps (template, suffix_len) - char *template; - int suffix_len; +mkstemps (char *pattern, int suffix_len) { static const char letters[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; @@ -75,15 +87,15 @@ mkstemps (template, suffix_len) size_t len; int count; - len = strlen (template); + len = strlen (pattern); if ((int) len < 6 + suffix_len - || strncmp (&template[len - 6 - suffix_len], "XXXXXX", 6)) + || strncmp (&pattern[len - 6 - suffix_len], "XXXXXX", 6)) { return -1; } - XXXXXX = &template[len - 6 - suffix_len]; + XXXXXX = &pattern[len - 6 - suffix_len]; #ifdef HAVE_GETTIMEOFDAY /* Get some more or less random data. */ @@ -111,10 +123,17 @@ mkstemps (template, suffix_len) v /= 62; XXXXXX[5] = letters[v % 62]; - fd = open (template, O_RDWR|O_CREAT|O_EXCL, 0600); + fd = open (pattern, O_BINARY|O_RDWR|O_CREAT|O_EXCL, 0600); if (fd >= 0) /* The file does not exist. */ return fd; + if (errno != EEXIST +#ifdef EISDIR + && errno != EISDIR +#endif + ) + /* Fatal error (EPERM, ENOSPC etc). Doesn't make sense to loop. */ + break; /* This is a random value. It is only necessary that the next TMP_MAX values generated by adding 7777 to VALUE are different @@ -123,6 +142,6 @@ mkstemps (template, suffix_len) } /* We return the null string if we can't find a unique file name. */ - template[0] = '\0'; + pattern[0] = '\0'; return -1; }