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comparison menu.c @ 1024:5ebf6ddd5a44

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Allow navigating to the root directory on Unix-like systems
author Michael Pavone <pavone@retrodev.com>
date Wed, 04 May 2016 22:11:48 -0700
parents 6c54d5a5c7c0
children 2c8d76280e43
comparison
equal deleted inserted replaced
1023:f1fd9263ccec 1024:5ebf6ddd5a44
191 case 1: { 191 case 1: {
192 char buf[4096]; 192 char buf[4096];
193 copy_string_from_guest(m68k, dst, buf, sizeof(buf)); 193 copy_string_from_guest(m68k, dst, buf, sizeof(buf));
194 if (!strcmp(buf, "..")) { 194 if (!strcmp(buf, "..")) {
195 size_t len = strlen(menu->curpath); 195 size_t len = strlen(menu->curpath);
196 while (len > 1) { 196 while (len > 0) {
197 --len; 197 --len;
198 if (is_path_sep(menu->curpath[len])) { 198 if (is_path_sep(menu->curpath[len])) {
199 menu->curpath[len] = 0; 199 if (!len) {
200 //special handling for /
201 menu->curpath[len+1] = 0;
202 } else {
203 menu->curpath[len] = 0;
204 }
200 break; 205 break;
201 } 206 }
202 } 207 }
203 } else { 208 } else {
204 char *tmp = menu->curpath; 209 char *tmp = menu->curpath;
205 char const *pieces[] = {menu->curpath, PATH_SEP, buf}; 210 if (is_path_sep(menu->curpath[strlen(menu->curpath) - 1])) {
206 menu->curpath = alloc_concat_m(3, pieces); 211 menu->curpath = alloc_concat(menu->curpath, buf);
212 } else {
213 char const *pieces[] = {menu->curpath, PATH_SEP, buf};
214 menu->curpath = alloc_concat_m(3, pieces);
215 }
207 free(tmp); 216 free(tmp);
208 } 217 }
209 break; 218 break;
210 } 219 }
211 case 2: { 220 case 2: {