diff options
Diffstat (limited to 'libgloss/spu/getcwd.c')
-rw-r--r-- | libgloss/spu/getcwd.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/libgloss/spu/getcwd.c b/libgloss/spu/getcwd.c deleted file mode 100644 index 482af2229..000000000 --- a/libgloss/spu/getcwd.c +++ /dev/null @@ -1,109 +0,0 @@ -/* - Copyright 2007 - International Business Machines Corporation, - Sony Computer Entertainment, Incorporated, - Toshiba Corporation, - - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the names of the copyright holders nor the names of their - contributors may be used to endorse or promote products derived from - this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER - OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -#include <stdlib.h> -#include <unistd.h> -#include <errno.h> -#include "jsre.h" - -#define ALLOC_BASE 64 -#define ALLOC_INCR 64 - -typedef struct -{ - unsigned int buf; - unsigned int pad0[3]; - unsigned int size; - unsigned int pad1[3]; -} syscall_getcwd_t; - -char * -getcwd (char *buf, size_t size) -{ - syscall_getcwd_t sys; - int retry_alloc, local_alloc; - char *newbuf; - char *res; - - /* - * Do not let the ppu side allocate memory, since it has to be used on - * the SPU (must be in LS), and it can't easily be freed on the spu - * side. So check for NULL buf, handle allocations here, and only call - * the assist call with a non-NULL buf. - */ - retry_alloc = 0; - local_alloc = 0; - if (!buf) { - local_alloc = 1; - if (size == 0) { - retry_alloc = 1; - size = ALLOC_BASE; - } - buf = malloc (size); - if (!buf) { - /* - * Leave errno as set by malloc. - */ - return NULL; - } - } - - /* - * Let the assist call check for error cases, specifically let it handle - * non-NULL buf and size of zero. - */ - - sys.buf = (unsigned int) buf; - sys.size = (unsigned int) size; - res = (char*) __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_GETCWD, &sys); - - while (!res && retry_alloc && errno == ERANGE) { - size += ALLOC_INCR; - newbuf = realloc (buf, size); - if (!newbuf) { - free (buf); - return NULL; - } - buf = newbuf; - - sys.buf = (unsigned int) buf; - sys.size = (unsigned int) size; - res = (char*) __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_GETCWD, &sys); - } - - if (!res && local_alloc) { - free (buf); - } - - return res; -} |