From 9dd2b2c78d8d944011d610ae3d1939f973e95d0e Mon Sep 17 00:00:00 2001 From: Andreas Gattringer <gattringera@a772-cvl-ws23.biodiv.univie.ac.at> Date: Fri, 17 Mar 2023 09:21:13 +0100 Subject: [PATCH] cats_strings: new helper function for safely accessing the nth string --- src/cats_strings/cats_strings.c | 11 +++++++++++ src/cats_strings/cats_strings.h | 2 +- 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/src/cats_strings/cats_strings.c b/src/cats_strings/cats_strings.c index a8e7c8e..7364224 100644 --- a/src/cats_strings/cats_strings.c +++ b/src/cats_strings/cats_strings.c @@ -136,6 +136,17 @@ struct string_array *new_string_array() return result; } +const char *get_nth_string_from_array(const struct string_array *array, int n) +{ + assert(array != NULL); + if (n < 0 && n >= array->count) { + log_message(LOG_ERROR, "%s: requested string index %d out of range [0, %d]", __func__ , n, array->count); + exit(EXIT_FAILURE); + } + + return array->string[n]; + +} struct string_array *new_string_array_init(const char *entry) { diff --git a/src/cats_strings/cats_strings.h b/src/cats_strings/cats_strings.h index f1a5b4b..8179efd 100644 --- a/src/cats_strings/cats_strings.h +++ b/src/cats_strings/cats_strings.h @@ -88,7 +88,7 @@ void string_array_add_double(struct string_array *array, double number, const ch void string_array_add_int_conditional(struct string_array *array, int32_t number, const char *format_string, bool condition); - +const char *get_nth_string_from_array(const struct string_array *array, int n); void print_string_array(const struct string_array *array); char *remove_0th_token(char *line, const char *sep); -- GitLab