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Diffstat (limited to 'src/3rdparty/xkbcommon/src/utils.h')
-rw-r--r-- | src/3rdparty/xkbcommon/src/utils.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/3rdparty/xkbcommon/src/utils.h b/src/3rdparty/xkbcommon/src/utils.h new file mode 100644 index 0000000000..b4daaddaaa --- /dev/null +++ b/src/3rdparty/xkbcommon/src/utils.h @@ -0,0 +1,136 @@ +/* + * Copyright © 2012 Ran Benita <ran234@gmail.com> + * + * 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 UTILS_H +#define UTILS_H 1 + +#include <inttypes.h> +#include <stdbool.h> +#include <string.h> +#include <strings.h> + +#include "darray.h" + +/* + * We sometimes malloc strings and then expose them as const char*'s. This + * macro is used when we free these strings in order to avoid -Wcast-qual + * errors. + */ +#define UNCONSTIFY(const_ptr) ((void *) (uintptr_t) (const_ptr)) + +static inline bool +streq(const char *s1, const char *s2) +{ + return strcmp(s1, s2) == 0; +} + +static inline bool +streq_not_null(const char *s1, const char *s2) +{ + if (!s1 || !s2) + return false; + return streq(s1, s2); +} + +static inline bool +istreq(const char *s1, const char *s2) +{ + return strcasecmp(s1, s2) == 0; +} + +static inline bool +istreq_prefix(const char *s1, const char *s2) +{ + return strncasecmp(s1, s2, strlen(s1)) == 0; +} + +static inline char * +strdup_safe(const char *s) +{ + return s ? strdup(s) : NULL; +} + +static inline bool +isempty(const char *s) +{ + return s == NULL || s[0] == '\0'; +} + +static inline const char * +strnull(const char *s) +{ + return s ? s : "(null)"; +} + +static inline void * +memdup(const void *mem, size_t nmemb, size_t size) +{ + void *p = malloc(nmemb * size); + if (p) + memcpy(p, mem, nmemb * size); + return p; +} + +#define ARRAY_SIZE(arr) ((sizeof(arr) / sizeof(*(arr)))) + +#define MIN(a, b) ((a) < (b) ? (a) : (b)) +#define MIN3(a, b, c) MIN(MIN((a), (b)), (c)) +#define MAX(a, b) ((a) > (b) ? (a) : (b)) +#define MAX3(a, b, c) MAX(MAX((a), (b)), (c)) + +/* Compiler Attributes */ + +#if defined(__GNUC__) && (__GNUC__ >= 4) && !defined(__CYGWIN__) +# define XKB_EXPORT __attribute__((visibility("default"))) +#elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550) +# define XKB_EXPORT __global +#else /* not gcc >= 4 and not Sun Studio >= 8 */ +# define XKB_EXPORT +#endif + +#if defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 203) +# define ATTR_PRINTF(x,y) __attribute__((__format__(__printf__, x, y))) +#else /* not gcc >= 2.3 */ +# define ATTR_PRINTF(x,y) +#endif + +#if (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 205)) \ + || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)) +# define ATTR_NORETURN __attribute__((__noreturn__)) +#else +# define ATTR_NORETURN +#endif /* GNUC */ + +#if (defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 296) +#define ATTR_MALLOC __attribute__((__malloc__)) +#else +#define ATTR_MALLOC +#endif + +#if defined(__GNUC__) && (__GNUC__ >= 4) +# define ATTR_NULL_SENTINEL __attribute__((__sentinel__)) +#else +# define ATTR_NULL_SENTINEL +#endif /* GNUC >= 4 */ + +#endif /* UTILS_H */ |