From 5d463a7f4c721629a1996be6d19634338290a539 Mon Sep 17 00:00:00 2001 From: Mosder Date: Wed, 22 Jul 2026 01:16:45 +0200 Subject: refactor: generalized parser structs with offsetof and put them into separate files --- analyzer/parser/structs.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 analyzer/parser/structs.c (limited to 'analyzer/parser/structs.c') diff --git a/analyzer/parser/structs.c b/analyzer/parser/structs.c new file mode 100644 index 0000000..c59fa82 --- /dev/null +++ b/analyzer/parser/structs.c @@ -0,0 +1,49 @@ +#include "parser/structs.h" + +#include +#include +#include + +void fill_struct(void *obj, const StructField *fields, size_t n_fields, const char *data, size_t data_len, const char *sep) { + for (size_t i = 0; i < n_fields; i++) { + char *next_sep = memmem(data, data_len, sep, strlen(sep)); + size_t len = next_sep ? next_sep - data : data_len; + + char *str = malloc(len + 1); + memcpy(str, data, len); + str[len] = '\0'; + + // parse depending on variable type + void *p_field = (char *)obj + fields[i].offset; + switch (fields[i].type) { + case INT: + sscanf(str, "%d", (int *)p_field); + free(str); + break; + case FLOAT: + sscanf(str, "%f", (float *)p_field); + free(str); + break; + case DOUBLE: + sscanf(str, "%lf", (double *)p_field); + free(str); + break; + case STRING: + *(char **)p_field = str; + break; + } + + // update data pointer and length + if (next_sep) { + data_len -= next_sep - data + strlen(sep); + data = next_sep + strlen(sep); + } + } +} + +void cleanup_struct(void *obj, const StructField *fields, size_t n_fields) { + for (size_t i = 0; i < n_fields; i++) { + if (fields[i].type == STRING) + free(*(char **)((char *)obj + fields[i].offset)); + } +} -- cgit v1.2.3