diff options
Diffstat (limited to 'src/util.c')
| -rw-r--r-- | src/util.c | 39 |
1 files changed, 39 insertions, 0 deletions
@@ -14,6 +14,8 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ +#define _POSIX_SOURCE 1 /* for wordexp */ + #include <assert.h> #include <stdarg.h> #include <stdlib.h> @@ -21,6 +23,10 @@ #include "lilv_internal.h" +#ifdef HAVE_WORDEXP +# include <wordexp.h> +#endif + char* lilv_strjoin(const char* first, ...) { @@ -99,3 +105,36 @@ lilv_get_lang(void) return lang; } + +/** Expand variables (e.g. POSIX ~ or $FOO, Windows %FOO%) in @a path. */ +char* +lilv_expand(const char* path) +{ +#ifdef HAVE_WORDEXP + char* ret = NULL; + wordexp_t p; + if (wordexp(path, &p, 0)) { + LILV_ERRORF("Error expanding path `%s'\n", path); + return lilv_strdup(path); + } + if (p.we_wordc == 0) { + /* Literal directory path (e.g. no variables or ~) */ + ret = lilv_strdup(path); + } else if (p.we_wordc == 1) { + /* Directory path expands (e.g. contains ~ or $FOO) */ + ret = lilv_strdup(p.we_wordv[0]); + } else { + /* Multiple expansions in a single directory path? */ + LILV_ERRORF("Malformed path `%s'\n", path); + ret = lilv_strdup(path); + } + wordfree(&p); +#elif defined(__WIN32__) + static const size_t len = 32767; + char* ret = malloc(len); + ExpandEnvironmentStrings(path, ret, len); +#else + char* ret = lilv_strdup(path); +#endif + return ret; +} |