szaszm commented on a change in pull request #674: Minificpp 1007 - ECU C2
integration.
URL: https://github.com/apache/nifi-minifi-cpp/pull/674#discussion_r371958945
##########
File path: nanofi/src/core/string_utils.c
##########
@@ -162,3 +163,87 @@ token_list tokenize_string_tailfile(const char * str,
char delim) {
tks.has_non_delimited_token = 0;
return tks;
}
+
+void copystr(const char * source, char ** dest) {
+ if (!source || !dest) return;
+ size_t len = strlen(source);
+ char * tmp = (char *)malloc(len + 1);
+ memset(tmp, 0, len + 1);
+ memcpy(tmp, source, len);
+ *dest = tmp;
+}
+
+void copynstr(const char * source, size_t len, char ** dest) {
+ if (!source || !len || !dest) return;
+ size_t source_len = strlen(source);
+ char * tmp;
+ if (source_len <= len) {
+ copystr(source, &tmp);
+ } else {
+ tmp = (char *)malloc(len + 1);
+ memcpy(tmp, source, len);
+ tmp[len] = '\0';
+ }
+ *dest = tmp;
+}
+
+void copynstrd(const char * source, size_t src_len, unsigned char * dest,
size_t dest_len) {
+ if (!source || !src_len || !dest || !dest_len) return;
+ size_t min_len = MIN(src_len, dest_len);
+ if (src_len == min_len && src_len != dest_len) {
+ memcpy(dest, source, min_len);
+ } else {
+ memcpy(dest, source, min_len - 1);
+ }
+ dest[min_len] = '\0';
+}
+
+
+int str_to_uint(const char * input_str, uint64_t * out) {
+ if (!input_str) {
+ return -1;
+ }
+ errno = 0;
+ *out = (uint64_t)(strtoul(input_str, NULL, 10));
+ if (errno != 0) {
+ return -1;
+ }
+ return 0;
+}
+
+const char * uint_to_str(uint64_t value) {
+ char value_str[21];
+ snprintf(value_str, sizeof(value_str), "%llu", value);
Review comment:
The `"llu"` format specifier corresponds to `unsigned long long`. For
`uint64_t`, use `PRIu64` from `inttypes.h`
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