2 * Portable Utility Functions
5 * Miguel de Icaza (miguel@novell.com)
7 * (C) 2006 Novell, Inc.
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26 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
42 g_build_path (const gchar *separator, const gchar *first_element, ...)
44 const char *elem, *next, *endptr;
50 g_return_val_if_fail (separator != NULL, NULL);
52 path = g_string_sized_new (48);
53 slen = strlen (separator);
55 va_start (args, first_element);
56 for (elem = first_element; elem != NULL; elem = next) {
57 /* trim any trailing separators from @elem */
58 endptr = elem + strlen (elem);
61 while (endptr >= elem + slen) {
62 if (strncmp (endptr - slen, separator, slen) != 0)
69 /* append elem, not including any trailing separators */
71 g_string_append_len (path, elem, endptr - elem);
73 /* get the next element */
75 if (!(next = va_arg (args, char *)))
78 /* remove leading separators */
79 while (!strncmp (next, separator, slen))
81 } while (*next == '\0');
84 g_string_append_len (path, separator, slen);
88 return g_string_free (path, FALSE);
92 strrchr_seperator (const gchar* filename)
99 p = strrchr (filename, G_DIR_SEPARATOR);
101 p2 = strrchr (filename, '/');
110 g_path_get_dirname (const gchar *filename)
114 g_return_val_if_fail (filename != NULL, NULL);
116 p = strrchr_seperator (filename);
118 return g_strdup (".");
120 return g_strdup ("/");
121 count = p - filename;
122 r = g_malloc (count + 1);
123 strncpy (r, filename, count);
130 g_path_get_basename (const char *filename)
133 g_return_val_if_fail (filename != NULL, NULL);
135 /* Empty filename -> . */
137 return g_strdup (".");
139 /* No separator -> filename */
140 r = strrchr_seperator (filename);
142 return g_strdup (filename);
144 /* Trailing slash, remove component */
146 char *copy = g_strdup (filename);
147 copy [r-filename] = 0;
148 r = strrchr_seperator (copy);
152 return g_strdup ("/");
154 r = g_strdup (&r[1]);
159 return g_strdup (&r[1]);
162 #ifndef HAVE_STRTOK_R
163 // This is from BSD's strtok_r
166 strtok_r(char *s, const char *delim, char **last)
172 if (s == NULL && (s = *last) == NULL)
176 * Skip (span) leading delimiters (s += strspn(s, delim), sort of).
180 for (spanp = (char *)delim; (sc = *spanp++) != 0; ){
185 if (c == 0){ /* no non-delimiter characters */
192 * Scan token (scan for delimiters: s += strcspn(s, delim), sort of).
193 * Note that delim must have one NUL; we stop if we see that, too.
197 spanp = (char *)delim;
199 if ((sc = *spanp++) == c) {
217 g_find_program_in_path (const gchar *program)
219 char *p = g_strdup (g_getenv ("PATH"));
221 gchar *curdir = NULL;
225 char *suffix_list[5] = {".exe",".cmd",".bat",".com",NULL};
230 g_return_val_if_fail (program != NULL, NULL);
232 if (x == NULL || *x == '\0') {
233 curdir = g_get_current_dir ();
238 /* see if program already has a suffix */
241 while (!hasSuffix && suffix_list[listx]) {
242 hasSuffix = g_str_has_suffix(program,suffix_list[listx++]);
246 while ((l = strtok_r (x, G_SEARCHPATH_SEPARATOR_S, &save)) != NULL){
250 probe_path = g_build_path (G_DIR_SEPARATOR_S, l, program, NULL);
251 if (access (probe_path, X_OK) == 0){ /* FIXME: on windows this is just a read permissions test */
259 /* check for program with a suffix attached */
262 while (suffix_list[listx]) {
263 program_exe = g_strjoin(NULL,program,suffix_list[listx],NULL);
264 probe_path = g_build_path (G_DIR_SEPARATOR_S, l, program_exe, NULL);
265 if (access (probe_path, X_OK) == 0){ /* FIXME: on windows this is just a read permissions test */
268 g_free (program_exe);
273 g_free (program_exe);
286 g_set_prgname (const gchar *prgname)
288 name = g_strdup (prgname);