X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fstring-utils%2Fstring-utils.c;h=526604d14e42a6f0d907fab86676ca2f2435e46f;hb=5b770521bbf951df78c52ea4c2b7cf9e0dc1bd5e;hp=669f7d05fd01c64513b68128a740c8940fdcaa9d;hpb=e9afa78ade64ab725959e934a55165fc81f37380;p=lttng-tools.git

diff --git a/src/common/string-utils/string-utils.c b/src/common/string-utils/string-utils.c
index 669f7d05f..526604d14 100644
--- a/src/common/string-utils/string-utils.c
+++ b/src/common/string-utils/string-utils.c
@@ -10,6 +10,7 @@
 #include <string.h>
 #include <stdbool.h>
 #include <assert.h>
+#include <errno.h>
 
 #include "string-utils.h"
 #include "../macros.h"
@@ -370,3 +371,24 @@ size_t strutils_array_of_strings_len(char * const *array)
 
 	return count;
 }
+
+LTTNG_HIDDEN
+int strutils_append_str(char **s, const char *append)
+{
+	char *old = *s;
+	char *new;
+	size_t oldlen = (old == NULL) ? 0 : strlen(old);
+	size_t appendlen = strlen(append);
+
+	new = calloc(oldlen + appendlen + 1, 1);
+	if (!new) {
+		return -ENOMEM;
+	}
+	if (oldlen) {
+		strcpy(new, old);
+	}
+	strcat(new, append);
+	*s = new;
+	free(old);
+	return 0;
+}