diff options
Diffstat (limited to 'lib/mkdirp.c')
-rw-r--r-- | lib/mkdirp.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/lib/mkdirp.c b/lib/mkdirp.c new file mode 100644 index 0000000..8c79cf4 --- /dev/null +++ b/lib/mkdirp.c @@ -0,0 +1,46 @@ +// borrowed from https://gist.github.com/JonathonReinhart/8c0d90191c38af2dcadb102c4e202950 + +#include <string.h> +#include <limits.h> /* PATH_MAX */ +#include <sys/stat.h> /* mkdir(2) */ +#include <errno.h> +#ifndef PATH_MAX +#define PATH_MAX 255 +#endif +int mkdir_p(const char *path) { + /* Adapted from http://stackoverflow.com/a/2336245/119527 */ + const size_t len = strlen(path); + char _path[PATH_MAX]; + char *p; + + errno = 0; + + /* Copy string so its mutable */ + if (len > sizeof(_path)-1) { + errno = ENAMETOOLONG; + return -1; + } + strcpy(_path, path); + + /* Iterate the string */ + for (p = _path + 1; *p; p++) { + if (*p == '/') { + /* Temporarily truncate */ + *p = '\0'; + + if (mkdir(_path, S_IRWXU) != 0) { + if (errno != EEXIST) + return -1; + } + + *p = '/'; + } + } + + if (mkdir(_path, S_IRWXU) != 0) { + if (errno != EEXIST) + return -1; + } + + return 0; +} |