fmt: new module

1 files changed, 291 insertions, 0 deletions

diff --git a/test/test_fmt_sprintf.c b/test/test_fmt_sprintf.c
new file mode 100644
index 0000000..d18d8eb
--- /dev/null
+++ b/test/test_fmt_sprintf.c
@@ -0,0 +1,291 @@
+/*
+ * Copyright (c) 2010-2017 Richard Braun.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+
+#pragma GCC diagnostic ignored "-Wformat"
+
+#include "../check.h"
+#include "../fmt.h"
+#include "../macros.h"
+
+#define TEST_SPRINTF(format, ...)                                    \
+MACRO_BEGIN                                                         \
+    char stra[256], strb[256];                                      \
+    int la, lb;                                                     \
+    la = snprintf(stra, sizeof(stra), format, ## __VA_ARGS__);      \
+    lb = fmt_snprintf(strb, sizeof(strb), format, ## __VA_ARGS__);  \
+    check(la == lb);                                                \
+    check(strcmp(stra, strb) == 0);                                 \
+MACRO_END
+
+int main(int argc, char *argv[])
+{
+    (void)argc;
+    (void)argv;
+
+#define FORMAT "%c"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 'a');
+#undef FORMAT
+
+#define FORMAT "%8c"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 'a');
+#undef FORMAT
+
+#define FORMAT "%-8c"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 'a');
+#undef FORMAT
+
+#define FORMAT "%.s"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, "12345");
+#undef FORMAT
+
+#define FORMAT "%.3s"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, "12345");
+#undef FORMAT
+
+#define FORMAT "%4.3s"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, "12345");
+#undef FORMAT
+
+#define FORMAT "%-4.3s"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, "12345");
+#undef FORMAT
+
+#define FORMAT "%3.4s"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, "12345");
+#undef FORMAT
+
+#define FORMAT "%-3.4s"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, "12345");
+#undef FORMAT
+
+#define FORMAT "%#o"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%#x"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%#X"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%08d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%-8d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%-08d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%0-8d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "% d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%+d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%+ d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%12d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%*d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 12, 123);
+#undef FORMAT
+
+#define FORMAT "%.12d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%.012d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%.*d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 12, 123);
+#undef FORMAT
+
+#define FORMAT "%.d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%.*d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, -12, 123);
+#undef FORMAT
+
+#define FORMAT "%.4d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%5.4d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%4.5d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 0);
+#undef FORMAT
+
+#define FORMAT "%.0d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 0);
+#undef FORMAT
+
+#define FORMAT "%.0o"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 0);
+#undef FORMAT
+
+#define FORMAT "%.0x"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 0);
+#undef FORMAT
+
+#define FORMAT "%1.0d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 0);
+#undef FORMAT
+
+#define FORMAT "%08.0d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, -123);
+#undef FORMAT
+
+#define FORMAT "%08d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, -123);
+#undef FORMAT
+
+#define FORMAT "%08d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%8d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%8d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, -123);
+#undef FORMAT
+
+#define FORMAT "%.8d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, -123);
+#undef FORMAT
+
+#define FORMAT "%.80d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, -123);
+#undef FORMAT
+
+#define FORMAT "%-80d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, -123);
+#undef FORMAT
+
+#define FORMAT "%80d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, -123);
+#undef FORMAT
+
+#define FORMAT "%80.40d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, -123);
+#undef FORMAT
+
+#define FORMAT "%-+80.40d"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%+x"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, -123);
+#undef FORMAT
+
+#define FORMAT "%#x"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%#o"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 123);
+#undef FORMAT
+
+#define FORMAT "%p"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, "123");
+#undef FORMAT
+
+#define FORMAT "%#lx"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 0xdeadbeefL);
+#undef FORMAT
+
+#define FORMAT "%zd"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, (size_t)-123);
+#undef FORMAT
+
+#define FORMAT "%#llx"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 0xdeadbeefbadcafeLL);
+#undef FORMAT
+
+#define FORMAT "%llo"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT, 0xffffffffffffffffLL);
+#undef FORMAT
+
+#define FORMAT "%%"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT);
+#undef FORMAT
+
+#define FORMAT "%y"
+    TEST_SPRINTF("%s: " FORMAT, FORMAT);
+#undef FORMAT
+
+    char stra[10], strb[10];
+    int la, lb;
+    la = snprintf(stra, sizeof(stra), "%s", "123456789a");
+    lb = fmt_snprintf(strb, sizeof(strb), "%s", "123456789a");
+    check(la == lb);
+    check(strncmp(stra, strb, 10) == 0);
+
+#define FORMAT "12%n3%#08x4%n5"
+    int lc, ld;
+    sprintf(stra, FORMAT, &la, 123, &lb);
+    fmt_sprintf(strb, FORMAT, &lc, 123, &ld);
+    check(la == lc);
+    check(lb == ld);
+#undef FORMAT
+
+    la = snprintf(NULL, 0, "%s", "123");
+    lb = fmt_snprintf(NULL, 0, "%s", "123");
+    check(la == lb);
+
+    return 0;
+}