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Diffstat (limited to 'src/util.h')
-rw-r--r-- | src/util.h | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/src/util.h b/src/util.h deleted file mode 100644 index eb98285..0000000 --- a/src/util.h +++ /dev/null @@ -1,115 +0,0 @@ -/** - * coopgammad -- Cooperative gamma server - * Copyright (C) 2016 Mattias Andrée (maandree@kth.se) - * - * 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 UTIL_H -#define UTIL_H - - -#include "types/output.h" - - - -#ifndef GCC_ONLY -# if defined(__GNUC__) && !defined(__clang__) -# define GCC_ONLY(...) __VA_ARGS__ -# else -# define GCC_ONLY(...) /* nothing */ -# endif -#endif - - - -/** - * Duplicate a memory segment - * - * @param src The memory segment, must not be `NULL` - * @param n The size of the memory segment, must not be zero - * @return The duplicate of the memory segment, - * `NULL` on error - */ -GCC_ONLY(__attribute__((malloc, nonnull))) -void* memdup(const void* restrict src, size_t n); - -/** - * Read an entire file - * - * Not cancelled by `EINTR` - * - * @param fd The file descriptor - * @param n Output for the size of the file - * @return The read content, plus a NUL byte at - * the end (not counted in `*n`) - */ -GCC_ONLY(__attribute__((malloc))) -void* nread(int fd, size_t* restrict n); - -/** - * Write an entire buffer to a file - * - * Not cancelled by `EINTR` - * - * @param fd The file descriptor - * @param buf The buffer which shall be written to the fail - * @param n The size of the buffer - * @return The number of written bytes, less than `n` - * on error, cannot exceed `n` - */ -size_t nwrite(int fd, const void* restrict buf, size_t n); - -/** - * Duplicate a file descriptor an make sure - * the new file descriptor's index as a - * specified minimum value - * - * @param fd The file descriptor - * @param atleast The least acceptable new file descriptor - * @return The new file descriptor, -1 on error - */ -int dup2atleast(int fd, int atleast); - -/** - * Perform a timed suspention of the process. - * The process resumes when the timer expires, - * or when it is interrupted. - * - * @param ms The number of milliseconds to sleep, - * must be less than 1000 - */ -void msleep(unsigned ms); - -/** - * Check whether a NUL-terminated string is encoded in UTF-8 - * - * @param string The string - * @return Zero if good, -1 on encoding error - */ -GCC_ONLY(__attribute__((pure, nonnull))) -int verify_utf8(const char* restrict string); - -/** - * Make identity mapping ramps - * - * @param ramps Output parameter for the ramps - * @param output The output for which the ramps shall be configured - * @return Zero on success, -1 on error - */ -GCC_ONLY(__attribute__((nonnull))) -int make_plain_ramps(union gamma_ramps* restrict ramps, struct output* restrict output); - - -#endif - |