diff options
Diffstat (limited to 'stdio-common/vfscanf.c')
| -rw-r--r-- | stdio-common/vfscanf.c | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/stdio-common/vfscanf.c b/stdio-common/vfscanf.c index 7985602443..71945bbf2e 100644 --- a/stdio-common/vfscanf.c +++ b/stdio-common/vfscanf.c @@ -82,11 +82,16 @@ { \ /* Check file argument for consistence. */ \ CHECK_FILE (s, EOF); \ - if (s->_flags & _IO_NO_READS || format == NULL) \ - { \ - MAYBE_SET_EINVAL; \ - return EOF; \ - } \ + if (s->_flags & _IO_NO_READS) \ + { \ + __set_errno (EBADF); \ + return EOF; \ + } \ + else if (format == NULL) \ + { \ + MAYBE_SET_EINVAL; \ + return EOF; \ + } \ } while (0) # define LOCK_STREAM(S) \ __libc_cleanup_region_start ((void (*) (void *)) &_IO_funlockfile, (S)); \ @@ -117,7 +122,12 @@ do \ { \ /* Check file argument for consistence. */ \ - if (!__validfp (s) || !s->__mode.__read || format == NULL) \ + if (!__validfp (s) || !s->__mode.__read) \ + { \ + __set_errno (EBADF); \ + return EOF; \ + } \ + else if (format == NULL) \ { \ __set_errno (EINVAL); \ return EOF; \ @@ -159,7 +169,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr) register unsigned char fc; /* Current character of the format. */ register size_t done = 0; /* Assignments done. */ register size_t read_in = 0; /* Chars read in. */ - register int c; /* Last char read. */ + register int c = 0; /* Last char read. */ register int width; /* Maximum field width. */ register int flags; /* Modifiers for current format element. */ @@ -296,7 +306,8 @@ __vfscanf (FILE *s, const char *format, va_list argptr) if (skip_space) { while (isspace (c)) - (void) inchar (); + if (inchar () == EOF && errno == EINTR) + conv_error (); skip_space = 0; } @@ -409,13 +420,18 @@ __vfscanf (FILE *s, const char *format, va_list argptr) if (*f == '\0') conv_error (); + /* We must take care for EINTR errors. */ + if (c == EOF && errno == EINTR) + input_error (); + /* Find the conversion specifier. */ fc = *f++; - if (skip_space || (fc != '[' && fc != 'c' && fc != 'n')) + if (skip_space || (fc != '[' && fc != 'c' && fc != 'C' && fc != 'n')) { /* Eat whitespace. */ do - (void) inchar (); + if (inchar () == EOF && errno == EINTR) + input_error (); while (isspace (c)); ungetc (c, s); skip_space = 0; |