diff options
Diffstat (limited to 'third_party/rust/glslopt/glsl-optimizer/src/util/strndup.h')
-rw-r--r-- | third_party/rust/glslopt/glsl-optimizer/src/util/strndup.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/third_party/rust/glslopt/glsl-optimizer/src/util/strndup.h b/third_party/rust/glslopt/glsl-optimizer/src/util/strndup.h new file mode 100644 index 0000000000..dcaa429dbe --- /dev/null +++ b/third_party/rust/glslopt/glsl-optimizer/src/util/strndup.h @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2015 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#ifndef STRNDUP_H +#define STRNDUP_H + +#if defined(_WIN32) + +#include <stdlib.h> // size_t +#include <string.h> + +#ifdef __cplusplus +extern "C" { +#endif + +static inline char * +strndup(const char *str, size_t max) +{ + size_t n; + char *ptr; + + if (!str) + return NULL; + + n = strnlen(str, max); + ptr = (char *) calloc(n + 1, sizeof(char)); + if (!ptr) + return NULL; + + memcpy(ptr, str, n); + return ptr; +} + +#ifdef __cplusplus +} +#endif + +#endif /* _WIN32 */ + +#endif /* STRNDUP_H */ |