X-Git-Url: https://git.draconx.ca/gitweb/cdecl99.git/blobdiff_plain/ad973d63e038f293f2b158f19b04c1582e616af0..35684c08a8429cf1c1148c74d2df8cdf4c31bbac:/src/cdecl99.c

diff --git a/src/cdecl99.c b/src/cdecl99.c
index 2a522d4..27ce048 100644
--- a/src/cdecl99.c
+++ b/src/cdecl99.c
@@ -25,6 +25,7 @@
 #include <errno.h>
 #include <locale.h>
 #include <assert.h>
+#include <stdarg.h>
 
 #include <getopt.h>
 #include <gettext.h>
@@ -37,6 +38,7 @@
 #include "cdecl.h"
 
 static const char *progname = "cdecl99";
+static bool interactive = true;
 
 #include "options.h"
 static const char sopts[] = SOPT_STRING;
@@ -45,6 +47,21 @@ static const struct option lopts[] = {
 	{0}
 };
 
+void print_error(const char *fmt, ...)
+{
+	va_list(ap);
+
+	if (!interactive)
+		fprintf(stderr, "%s: ", progname);
+	fprintf(stderr, "%s", _("error: "));
+
+	va_start(ap, fmt);
+	vfprintf(stderr, fmt, ap);
+	va_end(ap);
+
+	fprintf(stderr, "\n");
+}
+
 static void print_version(void)
 {
 	const char *copysign = "(C)";
@@ -236,8 +253,7 @@ static int repl_noninteractive(void)
 	free(line);
 
 	if (ferror(stdin)) {
-		errno = saved_errno;
-		perror("read error");
+		print_error("%s", strerror(saved_errno));
 		return -1;
 	}
 
@@ -257,7 +273,7 @@ static void init_i18n(void)
 
 int main(int argc, char **argv)
 {
-	bool show_intro = true, interactive = true, execute = false;
+	bool show_intro = true, execute = false;
 	const char *filename = NULL;
 	int i, opt, rc;
 
@@ -296,7 +312,9 @@ int main(int argc, char **argv)
 	}
 
 	if (optind < argc) {
-		fprintf(stderr, _("%s: excess command-line arguments:"),
+		fprintf(stderr, "%s: ", progname);
+
+		fprintf(stderr, _("excess command-line arguments:"),
 		                progname);
 		for (i = optind; i < argc; i++) {
 			fprintf(stderr, " %s", argv[i]);
@@ -317,7 +335,8 @@ int main(int argc, char **argv)
 	/* --execute supersedes --filename */
 	if (filename && !execute) {
 		if (!freopen(filename, "r", stdin)) {
-			perror(filename);
+			print_error("failed to open %s: %s\n", filename,
+			                                strerror(errno));
 			return EXIT_FAILURE;
 		}
 	}