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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
static int
getn(const char *file_part1, size_t file_part1_len, const char *file_part2, struct libfonts_rendering_settings *settings)
{
size_t file_part2_len = strlen(file_part2);
char *path;
if (file_part1_len > SIZE_MAX - file_part2_len - 1)
goto enomem;
path = malloc(file_part1_len + file_part2_len + 1);
if (!path) {
enomem:
errno = ENOMEM;
return 0; /* TODO abort function */
}
memcpy(path, file_part1, file_part1_len);
memcpy(&path[file_part1_len], file_part2, file_part2_len + 1);
/* TODO (use LIST_RENDERING_SETTINGS) */
free(path);
return 1;
}
static int
get(const char *file_part1, const char *file_part2, struct libfonts_rendering_settings *settings)
{
return getn(file_part1, strlen(file_part1), file_part2, settings);
}
int
libfonts_get_default_rendering_settings(struct libfonts_rendering_settings *settings, struct libfonts_context *ctx)
{
const char *env, *next;
char *home = NULL;
int saved_errno = errno;
int ret = 0;
size_t len;
if (settings) {
#define X(CONFNAME, CNAME, DEFVAL) settings->CNAME = DEFVAL
LIST_RENDERING_SETTINGS(X, ;);
#undef X
}
env = libfonts_getenv__("XDG_CONFIG_HOME", ctx);
if (env && *env)
if (get(env, "/libfonts/default-rendering.conf", settings))
goto out;
env = libfonts_getenv__("HOME", ctx);
if (env && *env) {
if (get(env, "/.config/libfonts/default-rendering.conf", settings))
goto out;
if (get(env, "/.libfonts/default-rendering.conf", settings))
goto out;
}
home = libfonts_gethome__(ctx);
if (home && *home) {
if (get(home, "/.config/libfonts/default-rendering.conf", settings))
goto out;
if (get(home, "/.libfonts/default-rendering.conf", settings))
goto out;
}
env = libfonts_getenv__("XDG_CONFIG_DIRS", ctx);
if (env && *env) {
do {
next = strchr(&env[1], ':');
len = next ? (size_t)(next - env) : strlen(env);
if (len)
if (getn(env, len, "/libfonts/default-rendering.conf", settings))
goto out;
env += len + 1;
} while (next);
}
if (get("/etc", "/libfonts/default-rendering.conf", settings))
goto out;
ret = 0;
out:
free(home);
errno = saved_errno;
return ret;
}
#else
int
main(void)
{
return 0; /* TODO add test */
}
#endif
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