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record generator

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This commit is contained in:
bronku 2025-10-16 10:40:49 +02:00
parent 45e804a350
commit 36035058f2
2 changed files with 13 additions and 2 deletions
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1
.gitignore vendored
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@ -1 +1,2 @@
build
tests/2.in

14
main.c
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@ -83,7 +83,10 @@ int process_args(int argc, char** argv, options* opts)
fprintf(stderr, "No file specified, aborting\n");
return ERROR;
}
opts->input = fopen(filename, "r");
opts->input = fopen(filename, "r+");
if (!opts->input) {
opts->input = fopen(filename, "w+");
}
if (!opts->input) {
fprintf(stderr, "Error: Cannot open file '%s'\n", filename);
return ERROR;
@ -93,6 +96,14 @@ int process_args(int argc, char** argv, options* opts)
void generate_file(options* opts)
{
srand(time(0));
record rec;
for (int i = 0; i < opts->N; i++) {
random_record(&rec);
print_record(opts->input, &rec);
fprintf(opts->input, "\n");
}
fseek(opts->input, 0, SEEK_SET);
}
void write_file(options* opts)
@ -127,7 +138,6 @@ int main(int argc, char** argv)
return result;
}
if (opts.generate_data) {
srand(time(0));
generate_file(&opts);
}
if (opts.manual_input) {