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| -rw-r--r-- | src/libmdsserver/macro-bits.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/src/libmdsserver/macro-bits.h b/src/libmdsserver/macro-bits.h new file mode 100644 index 0000000..f1feddd --- /dev/null +++ b/src/libmdsserver/macro-bits.h @@ -0,0 +1,159 @@ +/** + * mds — A micro-display server + * Copyright © 2014 Mattias Andrée (maandree@member.fsf.org) + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#ifndef MDS_LIBMDSSERVER_MACRO_BITS_H +#define MDS_LIBMDSSERVER_MACRO_BITS_H + + +#include <stdint.h> +#include <stddef.h> + + +#ifndef __WORDSIZE +# if defined(__x86_64__) && !defined(__ILP32__) +# define __WORDSIZE 64 +# else +# define __WORDSIZE 32 +# endif +#endif + + +/** + * Convert the beginning of a `const char*` to a `size_t` + * + * @param str:const char* The string that begins with an integer + * @return The integer at the beginning of the string + */ +#define atoz(str) ((size_t)atol(str)) + +/** + * Convert the beginning of a `const char*` to an `ssize_t` + * + * @param str:const char* The string that begins with an integer + * @return The integer at the beginning of the string + */ +#define atosz(str) ((ssize_t)atol(str)) + +/** + * Convert the beginning of a `const char*` to a `short int` + * + * @param str:const char* The string that begins with an integer + * @return The integer at the beginning of the string + */ +#define atoh(str) ((short)atol(str)) + +/** + * Convert the beginning of a `const char*` to an `unsigned short int` + * + * @param str:const char* The string that begins with an integer + * @return The integer at the beginning of the string + */ +#define atouh(str) ((unsigned short)atol(str)) + +/** + * Convert the beginning of a `const char*` to an `unsigned int` + * + * @param str:const char* The string that begins with an integer + * @return The integer at the beginning of the string + */ +#define atou(str) ((unsigned int)atoi(str)) + +/** + * Convert the beginning of a `const char*` to an `unsigned long int` + * + * @param str:const char* The string that begins with an integer + * @return The integer at the beginning of the string + */ +#define atoul(str) ((unsigned long)atol(str)) + +/** + * Convert the beginning of a `const char*` to an `unsigned long long int` + * + * @param str:const char* The string that begins with an integer + * @return The integer at the beginning of the string + */ +#define atoull(str) ((unsigned long long)atoll(str)) + +#if __WORDSIZE == 64 +/** + * Convert the beginning of a `const char*` to an `int32_t` + * + * @param str:const char* The string that begins with an integer + * @return The integer at the beginning of the string + */ +# define ato32(str) ((int32_t)atoi(str)) + +/** + * Convert the beginning of a `const char*` to an `uint32_t` + * + * @param str:const char* The string that begins with an integer + * @return The integer at the beginning of the string + */ +# define atou32(str) ((uint32_t)atou(str)) + +/** + * Convert the beginning of a `const char*` to an `int64_t` + * + * @param str:const char* The string that begins with an integer + * @return The integer at the beginning of the string + */ +# define ato64(str) ((int64_t)atol(str)) + +/** + * Convert the beginning of a `const char*` to an `uint64_t` + * + * @param str:const char* The string that begins with an integer + * @return The integer at the beginning of the string + */ +# define atou64(str) ((uint64_t)atoul(str)) +#else +/** + * Convert the beginning of a `const char*` to an `int32_t` + * + * @param str:const char* The string that begins with an integer + * @return The integer at the beginning of the string + */ +# define ato32(str) ((int32_t)atol(str)) + +/** + * Convert the beginning of a `const char*` to an `uint32_t` + * + * @param str:const char* The string that begins with an integer + * @return The integer at the beginning of the string + */ +# define atou32(str) ((uint32_t)atoul(str)) + +/** + * Convert the beginning of a `const char*` to an `int64_t` + * + * @param str:const char* The string that begins with an integer + * @return The integer at the beginning of the string + */ +# define ato64(str) ((int64_t)atoll(str)) + +/** + * Convert the beginning of a `const char*` to an `uint64_t` + * + * @param str:const char* The string that begins with an integer + * @return The integer at the beginning of the string + */ +# define atou64(str) ((uint64_t)atoull(str)) +#endif + + +#endif + |