libabacus/src/util.c

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2018-02-11 22:32:42 -08:00
#include "util.h"
#include <stdlib.h>
libab_result libab_convert_lex_result(liblex_result to_convert) {
libab_result result = LIBAB_SUCCESS;
if(to_convert == LIBLEX_MALLOC) {
result = LIBAB_MALLOC;
} else if(to_convert == LIBLEX_INVALID) {
result = LIBAB_BAD_PATTERN;
} else if(to_convert == LIBLEX_UNRECOGNIZED) {
result = LIBAB_FAILED_MATCH;
}
return result;
}
libab_result libab_convert_ds_result(libds_result to_convert) {
libab_result result = LIBAB_SUCCESS;
if(to_convert == LIBDS_MALLOC) {
result = LIBAB_MALLOC;
}
return result;
}
libab_result libab_copy_string_range(char** destination, const char* source, size_t from, size_t to) {
libab_result result = LIBAB_SUCCESS;
size_t string_length = to - from;
if((*destination = malloc(string_length + 1)) == NULL) {
result = LIBAB_MALLOC;
} else {
strncpy(*destination, source + from, string_length);
(*destination)[string_length] = '\0';
}
return result;
}
libab_result libab_copy_string_size(char** destination, const char* source, size_t length) {
return libab_copy_string_range(destination, source, 0, length);
}
libab_result libab_copy_string(char** destination, const char* source) {
return libab_copy_string_range(destination, source, 0, strlen(source));
}