common: move append_str to string-utils

[lttng-tools.git] / src / common / string-utils / string-utils.h

diff --git a/src/common/string-utils/string-utils.h b/src/common/string-utils/string-utils.h
index 9d287f3d9b4f7aa0849d4ecb42c1a7ef211f5ea1..55deba38b50369fe6f28fc4faea60c7ba22fd159 100644 (file)
--- a/src/common/string-utils/string-utils.h
+++ b/src/common/string-utils/string-utils.h
@@ -34,4 +34,15 @@ void strutils_free_null_terminated_array_of_strings(char **array);
 LTTNG_HIDDEN
 size_t strutils_array_of_strings_len(char * const *array);
 
+/*
+ * Append `append` to the malloc-end string `str`.
+ *
+ * On success, `str` is free'd (if not NULL) and assigned a new malloc-ed
+ * string.  On failure, `str` is not modified.
+ *
+ * Return 0 on success, -ENOMEM on failure.
+ */
+LTTNG_HIDDEN
+int strutils_append_str(char **str, const char *append);
+
 #endif /* _STRING_UTILS_H */