format_json: Improve the doc comment for `irq_strsplit`.

Contrast the behavior to `strsplit`.

Co-authored-by: Florian Forster <octo@collectd.org>

diff --git a/src/irq.c b/src/irq.c
index ed381f8d60297f044f1edbc647650bc35c61722c..d7bfbc3ced060c4986b624817f022dac58633e83 100644 (file)
--- a/src/irq.c
+++ b/src/irq.c
@@ -70,8 +70,8 @@ static int irq_config(const char *key, const char *value) {
 
 #if KERNEL_LINUX
 /* irq_strsplit is a special split function for Linux' /proc/interrupts file.
- * It uses two or more spaces to separate fields. Returns number of parsed
- * fields. */
+ * It uses two or more spaces to separate fields, in contrast to strsplit()
+ * which splits on individual spaces. Returns number of parsed fields. */
 static int irq_strsplit(char *string, char **fields, size_t fields_num) {
   for (size_t i = 0; i < fields_num; i++) {
     while (string[0] != 0 && isspace(string[0])) {