diff options
Diffstat (limited to 'utils.c')
-rw-r--r-- | utils.c | 32 |
1 files changed, 32 insertions, 0 deletions
@@ -17,9 +17,11 @@ */ #include <sys/mman.h> +#include <errno.h> #include <stdarg.h> #include <stdlib.h> #include <stdio.h> +#include <string.h> #include "utils.h" #define foreach_arg(_arg, _addr, _len, _first_addr, _first_len) \ @@ -155,3 +157,33 @@ void cbuf_free(void *ptr, unsigned int order) { munmap(ptr, cbuf_size(order) * 2); } + +int mkdir_p(char *dir, mode_t mask) +{ + char *l; + int ret; + + ret = mkdir(dir, mask); + if (!ret || (ret && errno == EEXIST)) + return 0; + + if (ret && (errno != ENOENT)) + return -1; + + l = strrchr(dir, '/'); + if (!l || l == dir) + return -1; + + *l = '\0'; + + if (mkdir_p(dir, mask)) + return -1; + + *l = '/'; + + ret = mkdir(dir, mask); + if (!ret || (ret && errno == EEXIST)) + return 0; + else + return -1; +} |