X-Git-Url: https://git.draconx.ca/gitweb/cdecl99.git/blobdiff_plain/d546887cd6d807f258fc4fb2f47a655310e356ba..481f693b0400b05586d90f60494e0e661ad8a1c1:/t/rendertest.c

diff --git a/t/rendertest.c b/t/rendertest.c
index 42a2c5e..e64526f 100644
--- a/t/rendertest.c
+++ b/t/rendertest.c
@@ -1,6 +1,6 @@
 /*
  * Helper to verify the output rendering routines.
- * Copyright © 2023 Nick Bowler
+ * Copyright © 2023-2024 Nick Bowler
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -23,11 +23,11 @@
 #include <getopt.h>
 #include <assert.h>
 
-#include <cdecl.h>
-#include "test.h"
+#include "cdecl.h"
 
 #define PROGNAME "rendertest"
-static const char *progname = PROGNAME;
+#include "test.h"
+
 static const char sopts[] = "n:ECVH";
 static const struct option lopts[] = {
 	{ "count",   1, NULL, 'n' },
@@ -63,9 +63,8 @@ static int do_test(char *line, unsigned long n, int mode)
 		decl = cdecl_parse_decl(line);
 
 	if (!decl) {
-		fprintf(stderr, "%s: %s\n", progname, cdecl_get_error()->str);
-		fprintf(stderr, "%s: the failed input was: %s\n",
-		                progname, line);
+		print_error("%s", cdecl_get_error()->str);
+		print_error("the failed input was: %s", line);
 		return -1;
 	}
 
@@ -76,12 +75,12 @@ static int do_test(char *line, unsigned long n, int mode)
 		rc = cdecl_declare(line, n, decl);
 
 	if (n && ( rc < n ? line[rc] : line[n-1] ) != '\0') {
-		fprintf(stderr, "%s: output is not 0-terminated\n", progname);
+		print_error("output is not 0-terminated");
 		return -1;
 	}
 
 	if (line[n] != '\a') {
-		fprintf(stderr, "%s: output overflow\n", progname);
+		print_error("output overflow");
 		return -1;
 	}
 
@@ -110,8 +109,7 @@ int main(int argc, char **argv)
 			break;
 		case 'n':
 			if (!test_strtoul(&n, optarg) || n > (size_t)-2) {
-				fprintf(stderr, "%s: invalid count: %s\n",
-				        progname, optarg);
+				print_error("invalid count: %s", optarg);
 				return EXIT_FAILURE;
 			}
 			break;
@@ -127,12 +125,12 @@ int main(int argc, char **argv)
 		}
 	}
 
-	line = malloc_nofail((sz = n+1));
-	while (getline(&line, &sz, stdin) >= 0) {
-		char *c = strchr(line, '\n');
-		if (c)
-			*c = '\0';
-
+	/*
+	 * Ensure the preallocated buffer is more than one byte, otherwise we
+	 * will hit a bug in AIX 7.2 getline and fall into an infinite loop.
+	 */
+	line = malloc_nofail((sz = MAX(n+1, 10)));
+	while (test_getline(&line, &sz)) {
 		if (do_test(line, n, mode) < 0)
 			ret = EXIT_FAILURE;
 	}