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libretroadmin
cf9d102864
The libretro-common submodule pinned the standalone repository at 76a3d54. It is replaced by an in-tree copy of RetroArch master (b655a20) holding only what the core uses: the VFS, file, string, encoding, compat and time sources it already built, the headers they and the core include, the threading set - rthreads, retro_atomic, retro_spsc and retro_waitable_spsc, mpsc_stack, retro_triple_buffer, retro_eventcount, retro_asym_eventcount, retro_procbarrier and tpool, with features_cpu and rstrtod, which they need - and the codecs that replace the bundled zlib, zstd, libchdr, libzip and libpng: rinflate and rdeflate, rzstd, rchd with its LZMA and FLAC decoders, rzip_archive, rpng and crc32. stdstring.c, which nothing calls, is no longer built. The threading sources are always built, by both the static Makefile and CMake; the VFS set stays behind HAVE_LIBRETRO_VFS as before. The codecs are built by the change that switches the core over to them.
118 lines
3.4 KiB
C
118 lines
3.4 KiB
C
/* Copyright (C) 2010-2020 The RetroArch team
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*
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* ---------------------------------------------------------------------------------------
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* The following license statement only applies to this file (compat_posix_string.c).
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* ---------------------------------------------------------------------------------------
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*
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* Permission is hereby granted, free of charge,
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* to any person obtaining a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <ctype.h>
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#include <compat/posix_string.h>
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#ifdef _WIN32
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#undef strcasecmp
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#undef strdup
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#undef isblank
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#undef strtok_r
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#include <ctype.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <compat/strl.h>
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#include <string.h>
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/* ASCII case folding, not tolower.
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*
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* tolower takes an int that must be representable as unsigned char or
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* EOF. A plain char sign-extends any byte above 0x7F into a negative
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* value, so passing one straight in is undefined - and these are
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* compared on file paths and user text, where such bytes are ordinary.
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* glibc happens to tolerate it because its table is offset for exactly
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* this mistake; nothing guarantees the next libc will.
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*
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* Folding only A-Z is also what the callers mean. Anything wider makes
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* a comparison depend on the user's locale, which for extensions,
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* driver names and identifiers is not wanted. */
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#define COMPAT_LOWER(c) \
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(((c) >= 'A' && (c) <= 'Z') ? ((c) + ('a' - 'A')) : (c))
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int retro_strcasecmp__(const char *a, const char *b)
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{
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while (*a && *b)
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{
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int a_ = COMPAT_LOWER((unsigned char)*a);
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int b_ = COMPAT_LOWER((unsigned char)*b);
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if (a_ != b_)
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return a_ - b_;
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a++;
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b++;
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}
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return COMPAT_LOWER((unsigned char)*a) - COMPAT_LOWER((unsigned char)*b);
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}
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char *retro_strdup__(const char *orig)
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{
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size_t _len = strlen(orig) + 1;
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char *ret = (char*)malloc(_len);
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if (!ret)
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return NULL;
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memcpy(ret, orig, _len);
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return ret;
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}
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int retro_isblank__(int c)
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{
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return (c == ' ') || (c == '\t');
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}
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char *retro_strtok_r__(char *str, const char *delim, char **saveptr)
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{
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char *first = NULL;
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if (!saveptr || !delim)
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return NULL;
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if (str)
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*saveptr = str;
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do
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{
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char *ptr = NULL;
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first = *saveptr;
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while (*first && strchr(delim, *first))
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*first++ = '\0';
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if (*first == '\0')
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return NULL;
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ptr = first + 1;
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while (*ptr && !strchr(delim, *ptr))
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ptr++;
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*saveptr = ptr + (*ptr ? 1 : 0);
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*ptr = '\0';
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} while (strlen(first) == 0);
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return first;
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}
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#endif
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