void file_removeDoubleSlashes(char *path) {
unsigned int i = 0;
int previousslash = 0;
unsigned int len = strlen(path);
unsigned int skipbeforeindex = 0;
#ifdef WIN
// don't remove network folder stuff
if (path[0] == '\\' && strlen(path) > 1) {
if (path[1] == '\\') {
skipbeforeindex = 1;
// this will retain \\ but shorten \\\ to \\.
}
}
#endif
while (i < len) {
if (i >= skipbeforeindex) {
if (file_IsDirectorySeparator(path[i])) {
if (previousslash) {
memmove(path+i, path+i+1, len-i);
len--;
continue;
}
previousslash = 1;
} else {
previousslash = 0;
}
}
i++;
}
}
int file_Cwd(const char* path) {
while (path[0] == '.' && strlen(path) > 1 && file_IsDirectorySeparator(path[1])) {
path += 2;
}
if (strcasecmp(path, "") == 0 || strcasecmp(path, ".") == 0) {
return 1;
}
char* pathcopy = strdup(path);
if (!pathcopy) {
return 0;
}
file_MakeSlashesNative(pathcopy);
#ifdef WINDOWS
if (SetCurrentDirectory(pathcopy) == 0) {
free(pathcopy);
return 0;
}
#else
if (chdir(pathcopy) != 0) {
free(pathcopy);
return 0;
}
#endif
free(pathcopy);
return 1;
}
void file_MakeSlashesNative(char* path) {
unsigned int i = 0;
while (i < strlen(path)) {
if (file_IsDirectorySeparator(path[i])) {
path[i] = file_NativeSlash();
}
i++;
}
}
static int file_LatestSlash(const char* path) {
int i = strlen(path)-1;
while (!file_IsDirectorySeparator(path[i]) && i > 0) {
i--;
}
if (i <= 0) {
i = -1;
}
return i;
}
int file_IsPathRelative(const char* path) {
#ifdef WINDOWS
if (PathIsRelative(path) == TRUE) {
return 1;
}
return 0;
#else
if (file_IsDirectorySeparator(path[0])) {
return 0;
}
return 1;
#endif
}
void file_makeSlashesCrossplatform(char *path) {
unsigned int skipbeforeindex = 0;
#ifdef WIN
if (strlen(path) >= 2 && path[0] == '\\' && path[1] == '\\') {
// skip network folder \\ stuff since that isn't really cross-platform
skipbeforeindex = 2;
}
#endif
unsigned int i = 0;
while (i < strlen(path)) {
if (i >= skipbeforeindex) {
if (file_IsDirectorySeparator(path[i])) {
path[i] = '/';
}
}
i++;
}
}
char* file_AddComponentToPath(const char* path, const char* component) {
int addslash = 0;
if (strlen(path) > 0) {
if (!file_IsDirectorySeparator(path[strlen(path)-1])) {
addslash = 1;
}
}
char* newpath = malloc(strlen(path)+addslash+1+strlen(component));
if (!newpath) {
return NULL;
}
memcpy(newpath, path, strlen(path));
if (addslash) {
newpath[strlen(path)] = file_NativeSlash();
}
memcpy(newpath + strlen(path) + addslash, component, strlen(component));
newpath[strlen(path) + addslash + strlen(component)] = 0;
return newpath;
}
int file_IsPathRelative(const char *path) {
#ifdef WINDOWS
// check network paths:
if (strlen(path) >= 2 && path[0] == '\\' && path[1] == '\\') {
// network path -> absolute
return 1;
}
// check regular paths:
if (PathIsRelative(path) == TRUE) {
return 1;
}
return 0;
#else
if (file_IsDirectorySeparator(path[0])) {
return 0;
}
return 1;
#endif
}
unsigned int file_CountPathComponents(const char *path) {
unsigned int c = 0;
unsigned int i = 0;
int previousslash = 0;
int absolutepathslash = 0;
while (i < strlen(path)) {
if (file_IsDirectorySeparator(path[i])) {
if (!previousslash) {
#ifdef WINDOWS
// don't increment for first absolute path slash
if (c > 0 || (i > 0 && path[i-1] != ':')) {
c++;
} else {
absolutepathslash = 1;
}
#else
if (i == 0) {
absolutepathslash = 1;
} else {
c++;
}
#endif
}
previousslash = 1;
} else {
previousslash = 0;
}
i++;
}
if (!previousslash) {
// add folder at the very end:
if (c > 1 || absolutepathslash) {
c++;
}
}
return c;
}
