diff options
Diffstat (limited to 'REORG.TODO/stdio-common/scanf15.c')
-rw-r--r-- | REORG.TODO/stdio-common/scanf15.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/REORG.TODO/stdio-common/scanf15.c b/REORG.TODO/stdio-common/scanf15.c new file mode 100644 index 0000000000..a3ab15dea2 --- /dev/null +++ b/REORG.TODO/stdio-common/scanf15.c @@ -0,0 +1,99 @@ +#undef _GNU_SOURCE +#define _XOPEN_SOURCE 600 +#undef _LIBC +#undef _IO_MTSAFE_IO +/* The following macro definitions are a hack. They word around disabling + the GNU extension while still using a few internal headers. */ +#define u_char unsigned char +#define u_short unsigned short +#define u_int unsigned int +#define u_long unsigned long +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <wchar.h> + +#define FAIL() \ + do { \ + result = 1; \ + printf ("test at line %d failed\n", __LINE__); \ + } while (0) + +int +main (void) +{ + float f; + double d; + char c[8]; + int result = 0; + + if (sscanf (" 0.25s x", "%e%3c", &f, c) != 2) + FAIL (); + else if (f != 0.25 || memcmp (c, "s x", 3) != 0) + FAIL (); + if (sscanf (" 1.25s x", "%as%2c", &f, c) != 2) + FAIL (); + else if (f != 1.25 || memcmp (c, " x", 2) != 0) + FAIL (); + if (sscanf (" 2.25s x", "%las%2c", &d, c) != 2) + FAIL (); + else if (d != 2.25 || memcmp (c, " x", 2) != 0) + FAIL (); + if (sscanf (" 3.25S x", "%4aS%2c", &f, c) != 2) + FAIL (); + else if (f != 3.25 || memcmp (c, " x", 2) != 0) + FAIL (); + if (sscanf (" 4.25[0-9.] x", "%a[0-9.]%2c", &f, c) != 2) + FAIL (); + else if (f != 4.25 || memcmp (c, " x", 2) != 0) + FAIL (); + if (sscanf (" 5.25[0-9.] x", "%la[0-9.]%2c", &d, c) != 2) + FAIL (); + else if (d != 5.25 || memcmp (c, " x", 2) != 0) + FAIL (); + + const char *tmpdir = getenv ("TMPDIR"); + if (tmpdir == NULL || tmpdir[0] == '\0') + tmpdir = "/tmp"; + + char fname[strlen (tmpdir) + sizeof "/tst-scanf15.XXXXXX"]; + sprintf (fname, "%s/tst-scanf15.XXXXXX", tmpdir); + if (fname == NULL) + FAIL (); + + /* Create a temporary file. */ + int fd = mkstemp (fname); + if (fd == -1) + FAIL (); + + FILE *fp = fdopen (fd, "w+"); + if (fp == NULL) + FAIL (); + else + { + if (fputs (" 1.25s x", fp) == EOF) + FAIL (); + if (fseek (fp, 0, SEEK_SET) != 0) + FAIL (); + if (fscanf (fp, "%as%2c", &f, c) != 2) + FAIL (); + else if (f != 1.25 || memcmp (c, " x", 2) != 0) + FAIL (); + + if (freopen (fname, "r", stdin) == NULL) + FAIL (); + else + { + if (scanf ("%as%2c", &f, c) != 2) + FAIL (); + else if (f != 1.25 || memcmp (c, " x", 2) != 0) + FAIL (); + } + + fclose (fp); + } + + remove (fname); + + return result; +} |