X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fpath.cpp;fp=src%2Fcommon%2Fpath.cpp;h=14611c2164812245f0d0a2c48a6675e80db40610;hp=cc7cbbc469c0c0c530f79db032bc8353ebc7e20d;hb=cd9adb8b829564212158943a0d279bb35322ab30;hpb=e665dfbce25215d5ec77ff03a279c7163b337db1 diff --git a/src/common/path.cpp b/src/common/path.cpp index cc7cbbc46..14611c216 100644 --- a/src/common/path.cpp +++ b/src/common/path.cpp @@ -23,12 +23,12 @@ */ static char *utils_partial_realpath(const char *path) { - char *cut_path = NULL, *try_path = NULL, *try_path_prev = NULL; + char *cut_path = nullptr, *try_path = nullptr, *try_path_prev = nullptr; const char *next, *prev, *end; - char *resolved_path = NULL; + char *resolved_path = nullptr; /* Safety net */ - if (path == NULL) { + if (path == nullptr) { goto error; } @@ -50,21 +50,21 @@ static char *utils_partial_realpath(const char *path) try_path = (char *) next; /* Resolve the canonical path of the first part of the path */ - while (try_path != NULL && next != end) { - char *try_path_buf = NULL; + while (try_path != nullptr && next != end) { + char *try_path_buf = nullptr; /* * If there is not any '/' left, we want to try with * the full path */ next = strpbrk(next + 1, "/"); - if (next == NULL) { + if (next == nullptr) { next = end; } /* Cut the part we will be trying to resolve */ cut_path = lttng_strndup(path, next - path); - if (cut_path == NULL) { + if (cut_path == nullptr) { PERROR("lttng_strndup"); goto error; } @@ -77,7 +77,7 @@ static char *utils_partial_realpath(const char *path) /* Try to resolve this part */ try_path = realpath((char *) cut_path, try_path_buf); - if (try_path == NULL) { + if (try_path == nullptr) { free(try_path_buf); /* * There was an error, we just want to be assured it @@ -95,7 +95,7 @@ static char *utils_partial_realpath(const char *path) } } else { /* Save the place we are before trying the next step */ - try_path_buf = NULL; + try_path_buf = nullptr; free(try_path_prev); try_path_prev = try_path; prev = next; @@ -103,12 +103,12 @@ static char *utils_partial_realpath(const char *path) /* Free the allocated memory */ free(cut_path); - cut_path = NULL; + cut_path = nullptr; } /* Allocate memory for the resolved path. */ resolved_path = zmalloc(LTTNG_PATH_MAX); - if (resolved_path == NULL) { + if (resolved_path == nullptr) { PERROR("zmalloc resolved path"); goto error; } @@ -117,7 +117,7 @@ static char *utils_partial_realpath(const char *path) * If we were able to solve at least partially the path, we can concatenate * what worked and what didn't work */ - if (try_path_prev != NULL) { + if (try_path_prev != nullptr) { /* If we risk to concatenate two '/', we remove one of them */ if (try_path_prev[strlen(try_path_prev) - 1] == '/' && prev[0] == '/') { try_path_prev[strlen(try_path_prev) - 1] = '\0'; @@ -128,7 +128,7 @@ static char *utils_partial_realpath(const char *path) * path are pointers for the same memory space */ cut_path = strdup(prev); - if (cut_path == NULL) { + if (cut_path == nullptr) { PERROR("strdup"); goto error; } @@ -139,8 +139,8 @@ static char *utils_partial_realpath(const char *path) /* Free the allocated memory */ free(cut_path); free(try_path_prev); - cut_path = NULL; - try_path_prev = NULL; + cut_path = nullptr; + try_path_prev = nullptr; /* * Else, we just copy the path in our resolved_path to * return it as is @@ -159,7 +159,7 @@ error: if (try_path_prev != try_path) { free(try_path_prev); } - return NULL; + return nullptr; } static int expand_double_slashes_dot_and_dotdot(char *path) @@ -187,7 +187,7 @@ static int expand_double_slashes_dot_and_dotdot(char *path) } next_slash = (const char *) memchr(curr_char, '/', path_last_char - curr_char); - if (next_slash == NULL) { + if (next_slash == nullptr) { /* Reached the end of the provided path. */ next_slash = path_last_char; } @@ -234,7 +234,7 @@ static int expand_double_slashes_dot_and_dotdot(char *path) * beginning of the path. We can't go back any * further. */ - if (prev_slash != NULL) { + if (prev_slash != nullptr) { expanded_path_len = prev_slash - path; } continue; @@ -275,18 +275,18 @@ error: static char *_utils_expand_path(const char *path, bool keep_symlink) { int ret; - char *absolute_path = NULL; + char *absolute_path = nullptr; char *last_token; bool is_dot, is_dotdot; /* Safety net */ - if (path == NULL) { + if (path == nullptr) { goto error; } /* Allocate memory for the absolute_path */ absolute_path = zmalloc(LTTNG_PATH_MAX); - if (absolute_path == NULL) { + if (absolute_path == nullptr) { PERROR("zmalloc expand path"); goto error; } @@ -368,7 +368,7 @@ static char *_utils_expand_path(const char *path, bool keep_symlink) error: free(absolute_path); - return NULL; + return nullptr; } char *utils_expand_path(const char *path) {