diff options
| -rw-r--r-- | include/utils.h | 1 | ||||
| -rw-r--r-- | src/utils.c | 42 |
2 files changed, 43 insertions, 0 deletions
diff --git a/include/utils.h b/include/utils.h index 4816a31..f0400fb 100644 --- a/include/utils.h +++ b/include/utils.h @@ -33,6 +33,7 @@ char *find_program(const char *name); int touch(const char *filename); int git_clone(struct Process *proc, char *url, char *destdir, char *gitref); char *git_describe(const char *path); +int path_store(char **destptr, size_t maxlen, const char *base, const char *path); #define OMC_MSG_SUCCESS 0 #define OMC_MSG_NOP 1 << 0 diff --git a/src/utils.c b/src/utils.c index 9e941f1..12cf22c 100644 --- a/src/utils.c +++ b/src/utils.c @@ -483,4 +483,46 @@ int isempty_dir(const char *path) { } return count == 0; +} + +int path_store(char **destptr, size_t maxlen, const char *base, const char *path) { + char *path_tmp; + size_t base_len = 0; + size_t path_len = 0; + + // Both path elements need to be defined to continue + if (!base || !path) { + return -1; + } + + // Initialize destination pointer to length of maxlen + path_tmp = calloc(maxlen, sizeof(*path_tmp)); + if (!path_tmp) { + return -1; + } + + // Ensure generated path will fit in destination + base_len = strlen(base); + path_len = strlen(path); + // 2 = directory separator and NUL terminator + if (2 + (base_len + path_len) > maxlen) { + goto l_path_setup_error; + } + + snprintf(path_tmp, maxlen - 1, "%s/%s", base, path); + if (mkdirs(path_tmp, 0755)) { + goto l_path_setup_error; + } + + (*destptr) = realpath(path_tmp, NULL); + if (!*destptr) { + goto l_path_setup_error; + } + + guard_free(path_tmp); + return 0; + + l_path_setup_error: + guard_free(path_tmp); + return -1; }
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