compare_result compare(FILE *fp1, FILE *fp2, int brief)
{
// NOTE!!
// This code is meant to be simple so I take shortcuts like
// exiting without cleaning up. Sorry.
char buf1[39], buf2[8]; // these sizes are totally arbitrary
scanstate ssrec, *ss=&ssrec;
int n, cont;
scanstate_init(ss, buf1, sizeof(buf1));
readfp_attach(ss, fp1);
compare_attach(ss);
do {
n = fread(buf2, 1, sizeof(buf2), fp2);
if(n <= 0) {
if(ferror(fp2)) {
fprintf(stderr, "Error reading second file.\n");
exit(17);
}
if(feof(fp2)) {
break;
}
}
cont = compare_continue(ss, buf2, n);
if(cont < 0) {
fprintf(stderr, "Error reading first file.\n");
exit(17);
}
} while(cont == 0);
return brief ? compare_check(ss) : compare_check_newlines(ss);
}
enum matchval end_output_section(struct test *test, scanstate *cmpscan,
const char *name)
{
compare_result cmp = compare_check_newlines(cmpscan);
int suppress_trailing_newline = cmpscan_suppress_newline;
if(cmp == cmp_ptr_has_extra_nl) {
// actual is missing a single newline as compared to expected.
if(!suppress_trailing_newline) {
// user hasn't marked section needing suppression so warn.
warn_section_newline(test, name);
return match_no;
}
// it's met all the requirements. We have a match.
return match_yes;
}
if(cmp == cmp_ptr_has_more_nls && suppress_trailing_newline) {
fprintf(stderr,
"WARNING: %s is marked -n but it ends with multiple newlines!\n"
" Please remove all but one newline from %s around line %d.\n",
name, convert_testfile_name(test->testfile), test->testscanner.line);
return match_no;
}
if(cmp == cmp_full_match) {
if(suppress_trailing_newline) {
if(cmpscan->line == 0) {
// don't want to print the warning if it's an empty section
// because, while it's weird, it's technically correct.
return match_yes;
}
// section was marked -n but a newline was present. No match.
return match_no;
}
// full match in a normal section (not marked -n)
return match_yes;
}
return match_no;
}
