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-rw-r--r--src/util.c317
1 files changed, 0 insertions, 317 deletions
diff --git a/src/util.c b/src/util.c
deleted file mode 100644
index 26e09a7..0000000
--- a/src/util.c
+++ /dev/null
@@ -1,317 +0,0 @@
-/*-
- * redshift-ng - Automatically adjust display colour temperature according the Sun
- *
- * Copyright (c) 2009-2018 Jon Lund Steffensen <jonlst@gmail.com>
- * Copyright (c) 2014-2016, 2025 Mattias Andrée <m@maandree.se>
- *
- * redshift-ng 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.
- *
- * redshift-ng 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 redshift-ng. If not, see <http://www.gnu.org/licenses/>.
- */
-#include "common.h"
-
-
-char *
-rtrim(char *s, char *end)
-{
- end = end ? end : strchr(s, '\0');
- while (end != s && (end[-1] == ' ' || end[-1] == '\t'))
- end--;
- *end = '\0';
- return s;
-}
-
-
-char *
-ltrim(char *s)
-{
- while (*s == ' ' || *s == '\t')
- s++;
- return s;
-}
-
-
-const char *
-get_home(void)
-{
-#ifdef WINDOWS
- return NULL;
-#else
- static const char *home = NULL;
- struct passwd *pw;
- if (!home) {
- pw = getpwuid(getuid());
- if (pw) {
- home = pw->pw_dir;
- if (home && *home)
- return home;
- weprintf(_("Cannot determine your home directory, "
- "it is from the system's user table."));
- } else if (errno) {
- weprintf("getpwuid:");
- } else {
- weprintf(_("Cannot determine your home directory, your"
- " user ID is missing from the system's user table."));
- /* `errno` can either be set to any number of error codes,
- * or be zero if the user does not have a passwd entry */
- }
- home = "";
- }
- return home;
-#endif
-}
-
-
-/**
- * Search for a file and open it in some manner
- *
- * @param path_spec Specification for the path to try
- * @param path_out Output parameter for the found file
- * @param pathbuf_out Output parameter for the memory allocation for `*path_out`;
- * shall be free(3)d by the caller
- * @param open_cb Pointer to function used to open the file, unless it
- * returns `NULL` it's return value is returned by the
- * function (`try_path`); `NULL` shall be returned if the
- * file `path` does not exist
- * @return File access object to the found file; `NULL` if not found
- */
-static void *
-try_path(const struct env_path *path_spec, const char **path_out, char **pathbuf_out, void *(*open_cb)(const char *path))
-{
- const char *prefix, *p, *q;
- char *path;
- size_t len;
- void *f = NULL;
-
- *path_out = NULL;
- *pathbuf_out = NULL;
-
- if (!path_spec->prefix_env) {
- prefix = get_home();
- } else if (*path_spec->prefix_env) {
- prefix = getenv(path_spec->prefix_env);
- } else {
- f = (*open_cb)(path_spec->suffix);
- if (f)
- *path_out = path_spec->suffix;
- return f;
- }
- if (!prefix || !*prefix)
- return NULL;
-
- path = emalloc(strlen(prefix) + strlen(path_spec->suffix) + 1U);
-
- if (path_spec->multidir_env) {
- for (p = prefix; !f && *p; p = &q[!!*q]) {
-#ifdef strchrnul
- q = strchrnul(p, PATH_DELIMITER);
-#else
- q = strchr(p, PATH_DELIMITER);
- q = q ? q : strchr(p, '\0');
-#endif
- len = (size_t)(q - p);
- if (!len)
- continue;
-
- memcpy(path, p, len);
- stpcpy(&path[len], path_spec->suffix);
- f = (*open_cb)(path);
- }
- } else {
- stpcpy(stpcpy(path, prefix), path_spec->suffix);
- f = (*open_cb)(path);
- }
-
- if (f)
- *path_out = *pathbuf_out = path;
- else
- free(path);
- return f;
-}
-
-
-/**
- * Open a file for reading, if it exists
- *
- * @param path The path to the file
- * @return `FILE` object for reading the file,
- * `NULL` if it doesn't exist
- */
-static void *
-open_file(const char *path)
-{
- FILE *f = fopen(path, "r");
- if (!f && errno != ENOENT)
- eprintf("fopen %s \"r\":", path);
- return f;
-}
-
-
-FILE *
-try_path_fopen(const struct env_path *path_spec, const char **path_out, char **pathbuf_out)
-{
- return try_path(path_spec, path_out, pathbuf_out, &open_file);
-}
-
-
-/**
- * Open a directory for reading, if it exists
- *
- * @param path The path to the directory
- * @return `DIR` object for reading the directory,
- * `NULL` if it doesn't exist
- */
-static void *
-open_dir(const char *path)
-{
- DIR *f = opendir(path);
- if (!f && errno != ENOENT)
- eprintf("opendir %s:", path);
- return f;
-}
-
-
-DIR *
-try_path_opendir(const struct env_path *path_spec, const char **path_out, char **pathbuf_out)
-{
- return try_path(path_spec, path_out, pathbuf_out, &open_dir);
-}
-
-
-
-#ifndef WINDOWS
-void
-pipe_rdnonblock(int pipefds[2])
-{
- int i, flags;
-
- /* Try to use pipe2(2) create O_CLOEXEC pipe */
-# if defined(__linux__) && !defined(MISSING_PIPE2)
- if (!pipe2(pipefds, O_CLOEXEC))
- goto apply_nonblock;
- else if (errno != ENOSYS)
- eprintf("pipe2 <buffer> O_CLOEXEC:");
-# endif
-
- /* Fallback for when pipe2(2) is not available */
- if (pipe(pipefds))
- eprintf("pipe:");
- for (i = 0; i < 2; i++) {
- flags = fcntl(pipefds[i], F_GETFD);
- if (flags == -1)
- eprintf("fcntl <pipe> F_GETFD:");
- if (fcntl(pipefds[i], F_SETFD, flags | O_CLOEXEC))
- eprintf("fcntl <pipe> F_SETFD +O_CLOEXEC:");
- }
-
- /* Make the read-end non-blocking */
-# if defined(__linux__) && !defined(MISSING_PIPE2)
-apply_nonblock:
-# endif
- flags = fcntl(pipefds[0], F_GETFL);
- if (flags == -1)
- eprintf("fcntl <pipe> F_GETFL:");
- if (fcntl(pipefds[0], F_SETFL, flags | O_NONBLOCK))
- eprintf("fcntl <pipe> F_SETFL +O_NONBLOCK:");
-}
-#endif
-
-
-void *
-ecalloc(size_t n, size_t m)
-{
- char *ret = calloc(n, m);
- if (!ret)
- eprintf("calloc:");
- return ret;
-}
-
-
-void *
-emalloc(size_t n)
-{
- char *ret = malloc(n);
- if (!ret)
- eprintf("malloc:");
- return ret;
-}
-
-
-void *
-erealloc(void *ptr, size_t n)
-{
- char *ret = realloc(ptr, n);
- if (!ret)
- eprintf("realloc:");
- return ret;
-}
-
-
-char *
-estrdup(const char *s)
-{
- char *ret = strdup(s);
- if (!ret)
- eprintf("strdup:");
- return ret;
-}
-
-
-void
-vweprintf(const char *fmt, va_list args)
-{
- int saved_errno;
- const char *errstrprefix, *errstr;
-
- saved_errno = errno;
- if (!*fmt) {
- errstrprefix = "";
- errstr = strerror(saved_errno);
- } else if (strchr(fmt, '\0')[-1] == '\n') {
- errstrprefix = "";
- errstr = NULL;
- } else if (strchr(fmt, '\0')[-1] == ':') {
- errstrprefix = " ";
- errstr = strerror(saved_errno);
- } else {
- errstrprefix = "";
- errstr = "";
- }
-
- fprintf(stderr, "%s: ", argv0);
- vfprintf(stderr, fmt, args);
- if (errstr)
- fprintf(stderr, "%s%s\n", errstrprefix, errstr);
-
- errno = saved_errno;
-}
-
-
-void
-weprintf(const char *fmt, ...)
-{
- va_list args;
- va_start(args, fmt);
- vweprintf(fmt, args);
- va_end(args);
-}
-
-
-void
-eprintf(const char *fmt, ...)
-{
- va_list args;
- va_start(args, fmt);
- vweprintf(fmt, args);
- va_end(args);
- exit(1);
-}
generated by cgit v1.2.3-70-g09d2 (git 2.48.0) at 2025-04-05 15:13:07 +0000