diff options
Diffstat (limited to 'tinyprintf/test')
| -rw-r--r-- | tinyprintf/test/printf.c | 69 | ||||
| -rw-r--r-- | tinyprintf/test/sprintf.c | 80 |
2 files changed, 149 insertions, 0 deletions
diff --git a/tinyprintf/test/printf.c b/tinyprintf/test/printf.c new file mode 100644 index 0000000..dd84a9b --- /dev/null +++ b/tinyprintf/test/printf.c @@ -0,0 +1,69 @@ + +#define TINYPRINTF_DEFINE_TFP_PRINTF 1 +#define TINYPRINTF_DEFINE_TFP_SPRINTF 0 +#define TINYPRINTF_OVERRIDE_LIBC 0 + +#include <stdio.h> +#include <string.h> +#include <limits.h> + +#include "tinyprintf.h" + +/* Clear unused warnings for actually unused variables */ +#define UNUSED(x) (void)(x) + +#define TPRINTF(expr...) \ + ({ printf("libc_printf(%s) -> ", #expr); printf(expr); \ + printf(" tfp_printf(%s) -> ", #expr); tfp_printf(expr); }) + +static void stdout_putf(void *unused, char c) +{ + UNUSED(unused); + putchar(c); +} + +int main() +{ + init_printf(NULL, stdout_putf); + + printf("Fun with printf and %%!\n"); + + TPRINTF("d1=%016llx d2=%016lx d3=%02x d4=%02X 42=%03d\n", + (long long unsigned)0xd1, (long unsigned)0xd2, 0xd3, 0xd4, 42); + TPRINTF("d1=%04x d2=%06x d3=%08x %%100\n", 0xd1, 0xd2, 0xd3); + TPRINTF("|%-14s| |%-16s| d2=%2x |%-30s|\n", "str14", "str16", 0xd2, + "12345678901234567890123456789012345"); + TPRINTF("|%4s|\n", "string4"); + TPRINTF("|%-4s|\n", "string4"); + TPRINTF("42=%3d d1=%4.4x |%4s| d2=%8.8x\n", 42, 0xd1, "string4", 0xd2); + TPRINTF("42=%3d d1=%4.4x |%-4s| d2=%8.8x\n", 42, 0xd1, "string4", 0xd2); + TPRINTF("84=%d 21=%ds |%s| |%sOK| d1=%x d2=%#x\n", + 84, 21, "hello", "fine", 0xd1, 0xd2); + + TPRINTF("%lld\n", LLONG_MIN); + TPRINTF("%lld\n", LLONG_MAX); + TPRINTF("%llu\n", ULLONG_MAX); + TPRINTF("%llx\n", LLONG_MIN); + TPRINTF("%llx\n", LLONG_MAX); + TPRINTF("%llx\n", ULLONG_MAX); + + TPRINTF("d1=%.1x\n", 0xd1); + TPRINTF("d1=%4.1x\n", 0xd1); + TPRINTF("d1=%4.x\n", 0xd1); + + { + char blah[256]; + TPRINTF("a=%zd\n", sizeof(blah)); + TPRINTF("a=%zu\n", sizeof(blah)); + TPRINTF("a=%zi\n", sizeof(blah)); + TPRINTF("a=0x%zx\n", sizeof(blah)); + } + + { + int in_stack; + TPRINTF("Adddress of main: %p\n", main); + TPRINTF("Adddress of stack variable: %p\n", &in_stack); + } + + return 0; +} diff --git a/tinyprintf/test/sprintf.c b/tinyprintf/test/sprintf.c new file mode 100644 index 0000000..06a01ed --- /dev/null +++ b/tinyprintf/test/sprintf.c @@ -0,0 +1,80 @@ + +#define TINYPRINTF_DEFINE_TFP_PRINTF 0 +#define TINYPRINTF_DEFINE_TFP_SPRINTF 1 +#define TINYPRINTF_OVERRIDE_LIBC 0 + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <assert.h> +#include <limits.h> + +#include "tinyprintf.h" + +/* Use malloc so that valgrind can catch array overflows */ +#define TPRINTF(expr...) \ + ({ char *s1, *s2; size_t sz1, sz2; \ + /* Test format ok */ \ + s1 = malloc(1024); s2 = malloc(1024); \ + sz1 = snprintf(s1, 1024, expr); sz2 = tfp_snprintf(s2, 256, expr); \ + printf("libc_snprintf(%s) -> %d: ", #expr, (int)sz1); puts(s1); \ + printf(" tfp_snprintf(%s) -> %d: ", #expr, (int)sz2); puts(s2); \ + assert(sz1 == sz2); \ + assert(0 == strcmp(s1, s2)); \ + /* Test no array verflow */ \ + free(s1); free(s2); s1 = malloc(1); s2 = malloc(1); \ + assert(snprintf(s1, 1, expr) == tfp_snprintf(s2, 1, expr)); \ + assert(strlen(s1) == 0); assert(strlen(s2) == 0); \ + assert(0 == strcmp(s1, s2)); \ + /* Test correct truncation */ \ + free(s1); free(s2); s1 = malloc(16); s2 = malloc(16); \ + assert(snprintf(s1, 16, expr) == tfp_snprintf(s2, 16, expr)); \ + assert(strlen(s1) < 16); assert(strlen(s2) < 16); \ + assert(0 == strcmp(s1, s2)); \ + free(s1); free(s2); \ + }) + + +int main() +{ + printf("Fun with sprintf and %%!\n"); + + TPRINTF("d1=%016llx d2=%016lx d3=%02x d4=%02X 42=%03d", + (long long unsigned)0xd1, (long unsigned)0xd2, 0xd3, 0xd4, 42); + TPRINTF("d1=%04x d2=%06x d3=%08x %%100", 0xd1, 0xd2, 0xd3); + TPRINTF("|%-14s| |%-16s| d2=%2x |%-30s|", "str14", "str16", 0xd2, + "12345678901234567890123456789012345"); + TPRINTF("|%4s|", "string4"); + TPRINTF("|%-4s|", "string4"); + TPRINTF("42=%3d d1=%4.4x |%4s| d2=%8.8x", 42, 0xd1, "string4", 0xd2); + TPRINTF("42=%3d d1=%4.4x |%-4s| d2=%8.8x", 42, 0xd1, "string4", 0xd2); + TPRINTF("84=%d 21=%ds |%s| |%sOK| d1=%x d2=%#x", + 84, 21, "hello", "fine", 0xd1, 0xd2); + + TPRINTF("%lld", LLONG_MIN); + TPRINTF("%lld", LLONG_MAX); + TPRINTF("%llu", ULLONG_MAX); + TPRINTF("%llx", LLONG_MIN); + TPRINTF("%llx", LLONG_MAX); + TPRINTF("%llx", ULLONG_MAX); + + TPRINTF("d1=%4.4x", 0xd1); + + { + char blah[256]; + TPRINTF("a=%zd", sizeof(blah)); + TPRINTF("a=%zu", sizeof(blah)); + TPRINTF("a=%zi", sizeof(blah)); + TPRINTF("a=0x%zx", sizeof(blah)); + } + + TPRINTF("Hello |%15s|.", "12345678901234"); + + { + int in_stack; + TPRINTF("Adddress of main: %p", main); + TPRINTF("Adddress of stack variable: %p", &in_stack); + } + + return 0; +} |