diff options
Diffstat (limited to 'libfonts.h')
| -rw-r--r-- | libfonts.h | 32 |
1 files changed, 32 insertions, 0 deletions
@@ -12,6 +12,12 @@ */ #define LIBFONTS_CONTEXT_VERSION 0 +/** + * File name of file in font directories that is used + * to create font aliases + */ +#define LIBFONTS_ALIAS_FILE_NAME "fonts.alias" + #if defined(__clang__) # pragma clang diagnostic push @@ -1676,6 +1682,32 @@ extern const char *const libfonts_used_environs[]; */ int libfonts_get_font_root_dirs(char ***, size_t *, struct libfonts_context *); +/** + * Parse line from a font alias file + * + * Font alias files are named "fonts.alias" (`LIBFONTS_ALIAS_FILE_NAME`) + * and are located in any font directory, i.e. directories returned by + * `libfonts_get_font_root_dirs` subdirectors (and further decedents) + * + * @param aliasp Output parameter for the new alias + * @param namep Output parameter for the alias target, + * which can be ether a proper font name or an alias + * @param line The line to parse; parsing stops at the first + * newline or NUL byte + * @param endp Output parameter for the parsing end, i.e. the + * first newline or NUL byte in `line` + * @return 1 if the line included a font alias, + * 0 if the line was blank or a comment line, + * -1 on failure + * + * @throws ENOMEM Failed to allocate memory for `*aliasp` or `*namep` + * @throws EBADMSG The line is malformatted + * + * `*aliasp` and `*namep` are set to `NULL` unless the function + * returns 1; `*endp` is updated even on failure + */ +int libfonts_parse_alias_line(char **, char **, const char *, char **); + /* TODO add font listing */ |