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feat(args): args_handler error handling and print_usage

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This commit is contained in:
william.valenduc 2026-01-12 19:30:11 +00:00
parent 234713b6a0
commit e3785dbd08
4 changed files with 183 additions and 6 deletions
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33
src/utils/args/args.c
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@ -21,10 +21,19 @@ int args_handler(int argc, char **argv, struct args_options *options)
{
options->verbose = true;
}
else if (strcmp(argv[i], "-c") == 0 && i + 1 < argc)
else if (strcmp(argv[i], "-c") == 0)
{
if (options->type != INPUT_UNDEFINED)
return 1; // Error: multiple input types specified
{
fprintf(stderr, "Multiple input sources specified: %s\n",
argv[i + 1]);
return 1;
}
else if (i + 1 >= argc)
{
fprintf(stderr, "No command provided after -c\n");
return 1;
}
options->type = INPUT_CMD;
options->input_source = argv[i + 1];
@ -32,12 +41,17 @@ int args_handler(int argc, char **argv, struct args_options *options)
}
else if (argv[i][0] == '-')
{
return 1; // Error: unknown option
fprintf(stderr, "Unknown option: %s\n", argv[i]);
return 1;
}
else
{
if (options->type != INPUT_UNDEFINED)
return 1; // Error: multiple input types specified
{
fprintf(stderr, "Multiple input sources specified: %s\n",
argv[i]);
return 1;
}
options->type = INPUT_FILE;
options->input_source = argv[i];
@ -62,3 +76,14 @@ void args_print(struct args_options *options)
printf("Pretty print: %s\n", options->pretty_print ? "true" : "false");
printf("Verbose: %s\n", options->verbose ? "true" : "false");
}
void print_usage(FILE *std, const char *program_name)
{
fprintf(std, "Usage: %s [OPTIONS] [SCRIPT] [ARGUMENTS...]\n", program_name);
fprintf(std, "Options:\n");
fprintf(std, " -c [SCRIPT] Execute the given command string.\n");
fprintf(std, " --pretty-print Enable pretty printing of outputs.\n");
fprintf(std, " --verbose Enable verbose mode.\n");
fprintf(std,
"If no SCRIPT is provided, input is read from standard input.\n");
}