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;
unsigned char *udst = (unsigned char *)dst;
for(i = 0; i < length && src[i]; i++) {
- triplet |= base64_decode[src[i] & 0xff] << (6 * (i & 3));
+ triplet |= (uint32_t)(base64_decode[src[i] & 0xff] << (6 * (i & 3)));
if((i & 3) == 3) {
if(triplet & 0xff000000U) {
return ret_name;
}
-/* Open a file with the desired permissions, minus the umask.
- Also, if we want to create an executable file, we call fchmod()
- to set the executable bits. */
-
-FILE *fopenmask(const char *filename, const char *mode, mode_t perms) {
- mode_t mask = umask(0);
- perms &= ~mask;
- umask(~perms & 0777);
- FILE *f = fopen(filename, mode);
-
- if(!f) {
- fprintf(stderr, "Could not open %s: %s\n", filename, strerror(errno));
- return NULL;
- }
-
-#ifdef HAVE_FCHMOD
-
- if(perms & 0444) {
- fchmod(fileno(f), perms);
- }
-
-#endif
- umask(mask);
- return f;
+bool string_eq(const char *first, const char *second) {
+ return !first == !second &&
+ !(first && second && strcmp(first, second));
}
-