51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#include <assert.h>
+
#include "logger.h"
#include "system.h"
#include "utils.h"
return length * 2;
}
+char *absolute_path(const char *path) {
+#ifdef HAVE_WINDOWS
+ // Works for nonexistent paths
+ return _fullpath(NULL, path, 0);
+#else
+
+ if(!path || !*path) {
+ return NULL;
+ }
+
+ // If an absolute path was passed, return its copy
+ if(*path == '/') {
+ return xstrdup(path);
+ }
+
+ // Try using realpath. If it fails for any reason
+ // other than that the file was not found, bail out.
+ char *abs = realpath(path, NULL);
+
+ if(abs || errno != ENOENT) {
+ return abs;
+ }
+
+ // Since the file does not exist, we're forced to use a fallback.
+ // Get current working directory and concatenate it with the argument.
+ char cwd[PATH_MAX];
+
+ if(!getcwd(cwd, sizeof(cwd))) {
+ return NULL;
+ }
+
+ // Remove trailing slash if present since we'll be adding our own
+ size_t cwdlen = strlen(cwd);
+
+ if(cwdlen && cwd[cwdlen - 1] == '/') {
+ cwd[cwdlen - 1] = '\0';
+ }
+
+ // We don't do any normalization because it's complicated, and the payoff is small.
+ // If user passed something like '.././../foo' — that's their choice; fopen works either way.
+ xasprintf(&abs, "%s/%s", cwd, path);
+
+ if(strlen(abs) >= PATH_MAX) {
+ free(abs);
+ abs = NULL;
+ }
+
+ return abs;
+#endif
+}
+
size_t b64decode_tinc(const char *src, void *dst, size_t length) {
size_t i;
uint32_t triplet = 0;
}
}
+bool is_decimal(const char *str) {
+ if(!str) {
+ return false;
+ }
+
+ errno = 0;
+ char *badchar = NULL;
+ strtol(str, &badchar, 10);
+ return !errno && badchar != str && !*badchar;
+}
+
+// itoa() conflicts with a similarly named function under MinGW.
+char *int_to_str(int num) {
+ char *str = NULL;
+ xasprintf(&str, "%d", num);
+ return str;
+}
+
static size_t b64encode_tinc_internal(const void *src, char *dst, size_t length, const char *alphabet) {
uint32_t triplet;
const unsigned char *usrc = (unsigned char *)src;
return b64encode_tinc_internal(src, dst, length, base64_urlsafe);
}
-#ifdef HAVE_MINGW
+#ifdef HAVE_WINDOWS
const char *winerror(int err) {
static char buf[1024], *ptr;
return f;
}
+bool string_eq(const char *first, const char *second) {
+ return !first == !second &&
+ !(first && second && strcmp(first, second));
+}