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// this is a macro so we get -Wformat warnings
#define ted_seterr(buffer, ...) \
snprintf(ted->error, sizeof ted->error - 1, __VA_ARGS__)
bool ted_haserr(Ted *ted) {
return ted->error[0] != '\0';
}
char const *ted_geterr(Ted *ted) {
return ted->error;
}
static void ted_out_of_mem(Ted *ted) {
ted_seterr(ted, "Out of memory.");
}
static void *ted_malloc(Ted *ted, size_t size) {
void *ret = malloc(size);
if (!ret) ted_out_of_mem(ted);
return ret;
}
static void *ted_calloc(Ted *ted, size_t n, size_t size) {
void *ret = calloc(n, size);
if (!ret) ted_out_of_mem(ted);
return ret;
}
static void *ted_realloc(Ted *ted, void *p, size_t new_size) {
void *ret = realloc(p, new_size);
if (!ret) ted_out_of_mem(ted);
return ret;
}
// should the working directory be searched for files? set to true if the executable isn't "installed"
static bool ted_search_cwd = false;
#if _WIN32
// @TODO
#else
static char const *const ted_global_data_dir = "/usr/share/ted";
#endif
// Check the various places a file could be, and return the full path.
static Status ted_get_file(char const *name, char *out, size_t outsz) {
#if _WIN32
#error "@TODO(windows)"
#else
if (ted_search_cwd && fs_file_exists(name)) {
// check in current working directory
str_cpy(out, outsz, name);
return true;
}
char *home = getenv("HOME");
if (home) {
str_printf(out, outsz, "%s/.local/share/ted/%s", home, name);
if (!fs_file_exists(out)) {
str_printf(out, outsz, "%s/%s", ted_global_data_dir, name);
if (!fs_file_exists(out))
return false;
}
}
return true;
#endif
}
static void ted_load_font(Ted *ted) {
char font_filename[TED_PATH_MAX];
if (ted_get_file("assets/font.ttf", font_filename, sizeof font_filename)) {
Font *font = text_font_load(font_filename, ted->settings.text_size);
if (font) {
if (ted->font) {
text_font_free(ted->font);
}
ted->font = font;
} else {
ted_seterr(ted, "Couldn't load font: %s", text_get_err());
text_clear_err();
}
} else {
ted_seterr(ted, "Couldn't find font file. There is probably a problem with your ted installation.");
}
}
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