diff options
author | Alon Zakai <alonzakai@gmail.com> | 2014-01-13 17:48:55 -0800 |
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committer | Alon Zakai <alonzakai@gmail.com> | 2014-01-15 11:26:48 -0800 |
commit | c5522c645635939ac49e6cfecb02a64e768a76d6 (patch) | |
tree | 5fd14a6d41e4966b8c49480ef0913d4c03033264 /tests/core/test_wprintf.c | |
parent | 3753753c60a0b2ecb7ebd0475408c02cfff4ec91 (diff) |
add musl fputws, fix vswprintf, add testing for fwprintf and swprintf as well1.8.14
Diffstat (limited to 'tests/core/test_wprintf.c')
-rw-r--r-- | tests/core/test_wprintf.c | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/tests/core/test_wprintf.c b/tests/core/test_wprintf.c index e938bf69..b5f8d6ab 100644 --- a/tests/core/test_wprintf.c +++ b/tests/core/test_wprintf.c @@ -1,7 +1,44 @@ +#include <stdio.h> +#include <string.h> +#include <stdarg.h> #include <wchar.h> -int main() +void PrintWide ( const wchar_t * format, ... ) { + wchar_t buffer[256]; + memset(buffer, 0, 256); + va_list args; + va_start ( args, format ); + wprintf(L"format starts with 0x%x\n", *(int*)format); + wprintf(L"fmt continues with 0x%x\n", *(((int*)format) + 1)); + wprintf(L"fmt continues with 0x%x\n", *(((int*)format) + 2)); + int r = vswprintf ( buffer, 256, format, args ); + wprintf(L"vswprintf told us %d\n", r); + wprintf(L"vswoutput st-rts with 0x%x\n", *(int*)buffer); + wprintf(L"vsw continues with 0x%x\n", *(((int*)buffer) + 1)); + wprintf(L"vsw continues with 0x%x\n", *(((int*)buffer) + 2)); + wprintf(buffer); + va_end ( args ); +} + +int main () +{ + FILE *f = fopen("test.dat", "wb"); + int num = fwprintf(f, L"hello %d", 5); + wprintf(L"fwprintf told us %d\n", num); + fclose(f); + f = fopen("test.dat", "rb"); + fseek(f, 0, SEEK_END); + int size = ftell(f); + fclose(f); + wprintf(L"file size is %d\n", size); + + wchar_t str[] = L"test string has %d wide characters.\n"; + wprintf(L"str starts with 0x%x\n", *(int*)str); + wprintf(L"str continues with 0x%x\n", *(((int*)str) + 1)); + wprintf(L"str continues with 0x%x\n", *(((int*)str) + 2)); + PrintWide ( str, wcslen(str) ); + wprintf (L"Characters: %lc %lc \n", L'a', 65); wprintf (L"Decimals: %d %ld\n", 1977, 650000L); wprintf (L"Preceding with blanks: %10d \n", 1977); @@ -10,6 +47,17 @@ int main() wprintf (L"floats: %4.2f %+.0e %E \n", 3.1416, 3.1416, 3.1416); wprintf (L"Width trick: %*d \n", 5, 10); wprintf (L"%ls \n", L"A wide string"); + + wchar_t buffer [100]; + memset(buffer, 0, sizeof(buffer)); + int cx; + cx = swprintf(buffer, 100, L"The half of %d is %d", 80, 80/2); + wprintf(L"swprintf told us %d\n", cx); + for (int i = 0; i < 10; i++) wprintf(L"pre %d\n", ((int*)buffer)[i]); + swprintf (buffer+cx, 100-cx-1, L", and the half of that is %d.\n", 80/2/2); + for (int i = 0; i < 10; i++) wprintf(L"post %d\n", ((int*)buffer)[i]); + wprintf(buffer); + return 0; } |