/*----- Main code ---------------------------------------------------------*/
+/* Table of output formats. */
static const struct outform {
const char *name;
struct tvec_output *(*makefn)(FILE *fp);
{ 0, 0 }
};
+/* Configuration for ad-hoc testing. */
const struct tvec_config tvec_adhocconfig =
{ 0, 1, 1, sizeof(struct tvec_reg) };
+/* --- @find_outform@ ---
+ *
+ * Arguments: @const char *p@ = output name
+ *
+ * Returns: Pointer to output format record.
+ *
+ * Use: Looks up an output format by name. Reports a fatal error if
+ * no matching record is found.
+ */
+
static const struct outform *find_outform(const char *p)
{
const struct outform *best = 0, *of;
else die(2, "unknown output format `%s'", optarg);
}
+/* --- @version@, @usage@, @help@ --- *
+ *
+ * Arguments: @FILE *fp@ = stream to write on
+ *
+ * Returns: ---
+ *
+ * Use: Output information about the program.
+ */
+
static void version(FILE *fp)
{ pquis(fp, "$, mLib test-vector framework version " VERSION "\n"); }
", fp);
}
+/* --- @tvec_parseargs@ --- *
+ *
+ * Arguments: @int argc@ = number of command-line arguments
+ * @char *argv[]@ = vector of argument strings
+ * @struct tvec_state *tv_out@ = test vector state to initialize
+ * @int *argpos_out@ = where to leave unread argument index
+ * @const struct tvec_config *cofig@ = test vector configuration
+ *
+ * Returns: ---
+ *
+ * Use: Parse arguments and set up the test vector state @*tv_out@.
+ * If errors occur, print messages to standard error and exit
+ * with status 2.
+ */
+
void tvec_parseargs(int argc, char *argv[], struct tvec_state *tv_out,
int *argpos_out, const struct tvec_config *config)
{
tvec_begin(tv_out, config, o); *argpos_out = optind;
}
+/* --- @tvec_readstdin@, @tvec_readfile@, @tvec_readarg@ --- *
+ *
+ * Arguments: @struct tvec_state *tv@ = test vector state
+ * @const char *file@ = pathname of file to read
+ * @const char *arg@ = argument to interpret
+ *
+ * Returns: Zero on success, @-1@ on error.
+ *
+ * Use: Read test vector data from stdin or a named file. The
+ * @tvec_readarg@ function reads from stdin if @arg@ is `%|-|%',
+ * and from the named file otherwise.
+ */
+
int tvec_readstdin(struct tvec_state *tv)
{ return (tvec_read(tv, "<stdin>", stdin)); }
return (rc);
}
-int tvec_readdflt(struct tvec_state *tv, const char *file)
+int tvec_readarg(struct tvec_state *tv, const char *arg)
+{
+ int rc;
+
+ if (STRCMP(arg, ==, "-")) rc = tvec_readstdin(tv);
+ else rc = tvec_readfile(tv, arg);
+ return (rc);
+}
+
+/* --- @tvec_readdflt@ --- *
+ *
+ * Arguments: @struct tvec_state *tv@ = test vector state
+ * @const char *dflt@ = defsault filename or null
+ *
+ * Returns: Zero on success, @-1@ on error.
+ *
+ * Use: Reads from the default test vector data. If @file@ is null,
+ * then read from standard input, unless that's a terminal; if
+ * @file@ is not null, then read the named file, looking in the
+ * directory named by the `%|srcdir|%' environment variable if
+ * that's set, or otherwise in the current directory.
+ */
+
+int tvec_readdflt(struct tvec_state *tv, const char *dflt)
{
dstr d = DSTR_INIT;
const char *p;
int rc;
- if (file) {
+ if (dflt) {
p = getenv("srcdir");
- if (p) { dstr_putf(&d, "%s/%s", p, file); file = d.buf; }
- rc = tvec_readfile(tv, file);
+ if (p) { dstr_putf(&d, "%s/%s", p, dflt); dflt = d.buf; }
+ rc = tvec_readfile(tv, dflt);
} else if (isatty(0))
rc = tvec_error(tv, "use `-' to force reading from interactive stdin");
else
return (rc);
}
-int tvec_readarg(struct tvec_state *tv, const char *arg)
-{
- int rc;
-
- if (STRCMP(arg, ==, "-")) rc = tvec_readstdin(tv);
- else rc = tvec_readfile(tv, arg);
- return (rc);
-}
+/* --- @tvec_readargs@ --- *
+ *
+ * Arguments: @int argc@ = number of command-line arguments
+ * @char *argv[]@ = vector of argument strings
+ * @struct tvec_state *tv@ = test vector state
+ * @int *argpos_inout@ = current argument position (updated)
+ * @const char *dflt@ = default filename or null
+ *
+ * Returns: Zero on success, @-1@ on error.
+ *
+ * Use: Reads from the sources indicated by the command-line
+ * arguments, in order, interpreting each as for @tvec_readarg@;
+ * if no arguments are given then read from @dflt@ as for
+ * @tvec_readdflt@.
+ */
int tvec_readargs(int argc, char *argv[], struct tvec_state *tv,
int *argpos_inout, const char *dflt)
int i = *argpos_inout;
int rc;
- if (i == argc) rc = tvec_readdflt(tv, dflt);
+ if (i == argc)
+ rc = tvec_readdflt(tv, dflt);
else {
rc = 0;
while (i < argc)
return (rc);
}
+/* --- @tvec_main@ --- *
+ *
+ * Arguments: @int argc@ = number of command-line arguments
+ * @char *argv[]@ = vector of argument strings
+ * @const struct tvec_config *cofig@ = test vector configuration
+ * @const char *dflt@ = default filename or null
+ *
+ * Returns: Exit code.
+ *
+ * Use: All-in-one test vector front-end. Parse options from the
+ * command-line as for @tvec_parseargs@, and then process the
+ * remaining positional arguments as for @tvec_readargs@. The
+ * function constructs and disposes of a test vector state.
+ */
+
int tvec_main(int argc, char *argv[],
const struct tvec_config *config, const char *dflt)
{
~mdw / mLib / blobdiff