diff options
Diffstat (limited to 'stdio-common/vfprintf.c')
| -rw-r--r-- | stdio-common/vfprintf.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c index 9a9e583faa..7c6a498a75 100644 --- a/stdio-common/vfprintf.c +++ b/stdio-common/vfprintf.c @@ -101,6 +101,9 @@ ssize_t __wprintf_pad __P ((FILE *, wchar_t pad, size_t n)); } \ } while (0) # define UNBUFFERED_P(S) ((S)->_IO_file_flags & _IO_UNBUFFERED) +# define flockfile(S) _IO_flockfile (S) +/* This macro must be without parameter! Don't change it. */ +# define funlockfile _IO_funlockfile #else /* ! USE_IN_LIBIO */ /* This code is for use in the GNU C library. */ # include <stdio.h> @@ -398,7 +401,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap) #define process_arg(fspec) \ - /* Start real work. We know about all flag and modifiers and \ + /* Start real work. We know about all flags and modifiers and \ now process the wanted format specifier. */ \ LABEL (form_percent): \ /* Write a literal "%". */ \ @@ -846,6 +849,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap) f = lead_str_end = find_spec (format, &mbstate); /* Lock stream. */ + __libc_cleanup_region_start ((void (*) (void *)) &funlockfile, s); flockfile (s); /* Write the literal text before the first format. */ @@ -854,10 +858,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap) /* If we only have to print a simple string, return now. */ if (*f == L_('\0')) - { - funlockfile (s); - return done; - } + goto all_done; /* Process whole format string. */ do @@ -1025,8 +1026,8 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap) if (spec == L_('\0')) { /* The format string ended before the specifier is complete. */ - funlockfile (s); - return -1; + done = -1; + goto all_done; } /* If we are in the fast loop force entering the complicated @@ -1042,11 +1043,8 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap) } while (*f != L_('\0')); - /* Unlock stream. */ - funlockfile (s); - - /* We processed the whole format without any positional parameters. */ - return done; + /* Unlock stream and return. */ + goto all_done; /* Here starts the more complex loop to handle positional parameters. */ do_positional: @@ -1289,8 +1287,8 @@ do_positional: of chars. */ if (function_done < 0) { - funlockfile (s); - return -1; + done = -1; + goto all_done; } done += function_done; @@ -1305,8 +1303,9 @@ do_positional: } } +all_done: /* Unlock the stream. */ - funlockfile (s); + __libc_cleanup_region_end (1); return done; } |