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Get GNU GMP test suite fully passing

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- Fix stdio fmemopen() buffer behaviors
- Fix scanf() to return EOF when appropriate
- Prefer fseek/ftell names over fseeko/ftello
- Ensure locale field is always set in the TIB
- Fix recent regression in vfprintf() return count
- Make %n directive in scanf() have standard behavior
This commit is contained in:
Justine Tunney 2023-08-21 09:00:40 -07:00
parent 755ae64e73
commit 63a1636e1f
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GPG key ID: BE714B4575D6E328
20 changed files with 228 additions and 51 deletions
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52
test/libc/stdio/fmemopen_test.c
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@ -16,7 +16,12 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/errno.h"
#include "libc/mem/gc.internal.h"
#include "libc/mem/mem.h"
#include "libc/stdio/stdio.h"
#include "libc/stdio/temp.h"
#include "libc/testlib/testlib.h"
TEST(fmemopen, testWriteRewindRead) {
@ -30,10 +35,43 @@ TEST(fmemopen, testWriteRewindRead) {
fclose(f);
}
/* TEST(fmemopen, testWriteRead_readsNothingButNotEof) { */
/* char c; */
/* FILE *f; */
/* f = fmemopen(NULL, BUFSIZ, "w+"); */
/* EXPECT_EQ(1, fwrite("c", 1, 1, f)); */
/* EXPECT_EQ(0, fread(&c, 1, 1, f)); */
/* } */
TEST(fmemopen_fprintf, test) {
FILE *f = fmemopen(NULL, BUFSIZ, "w+");
EXPECT_EQ(1, fprintf(f, "%ld", 0L));
rewind(f);
char buf[8] = {0};
EXPECT_EQ(1, fread(&buf, 1, 8, f));
EXPECT_STREQ("0", buf);
fclose(f);
}
TEST(fmemopen, seekEofRead) {
FILE *f = fmemopen("x", 1, "r+");
ASSERT_SYS(EINVAL, -1, fseek(f, -1, SEEK_SET));
ASSERT_SYS(EINVAL, -1, fseek(f, +1, SEEK_END));
ASSERT_EQ(0, fseek(f, 0, SEEK_END));
ASSERT_FALSE(feof(f));
ASSERT_EQ(-1, fgetc(f));
ASSERT_TRUE(feof(f));
fclose(f);
}
TEST(tmpfile_fprintf, test) {
FILE *f = tmpfile();
EXPECT_EQ(1, fprintf(f, "%ld", 0L));
rewind(f);
char buf[8] = {0};
EXPECT_EQ(1, fread(&buf, 1, 8, f));
EXPECT_STREQ("0", buf);
fclose(f);
}
TEST(fmemopen, small) {
FILE *f = fmemopen(gc(malloc(1)), 1, "w+");
EXPECT_EQ(3, fprintf(f, "%ld", 123L));
rewind(f);
char buf[8] = {0};
EXPECT_EQ(1, fread(&buf, 1, 8, f));
EXPECT_STREQ("1", buf);
fclose(f);
}