diff options
Diffstat (limited to 'nss/nss_files/files-parse.c')
| -rw-r--r-- | nss/nss_files/files-parse.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/nss/nss_files/files-parse.c b/nss/nss_files/files-parse.c index 3ba37c8941..66615da26c 100644 --- a/nss/nss_files/files-parse.c +++ b/nss/nss_files/files-parse.c @@ -1,5 +1,5 @@ /* Common code for file-based database parsers in nss_files module. - Copyright (C) 1996-2000, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 1996-2000, 2003, 2004, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -127,10 +127,24 @@ nss_files_parse_hidden_def (parse_line) } \ } +/* Helper function. */ +static inline uint32_t +__attribute__ ((always_inline)) +strtou32 (const char *nptr, char **endptr, int base) +{ + unsigned long int val = strtoul (nptr, endptr, base); + + /* Match the 32-bit behavior on 64-bit platforms. */ + if (sizeof (long int) > 4 && val > 0xffffffff) + val = 0xffffffff; + + return val; +} + # define INT_FIELD(variable, terminator_p, swallow, base, convert) \ { \ char *endp; \ - variable = convert (strtoul (line, &endp, base)); \ + variable = convert (strtou32 (line, &endp, base)); \ if (endp == line) \ return 0; \ else if (terminator_p (*endp)) \ @@ -148,7 +162,7 @@ nss_files_parse_hidden_def (parse_line) if (*line == '\0') \ /* We expect some more input, so don't allow the string to end here. */ \ return 0; \ - variable = convert (strtoul (line, &endp, base)); \ + variable = convert (strtou32 (line, &endp, base)); \ if (endp == line) \ variable = default; \ if (terminator_p (*endp)) \ |