diff options
Diffstat (limited to 'winsup/cygwin/sysconf.cc')
| -rw-r--r-- | winsup/cygwin/sysconf.cc | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/winsup/cygwin/sysconf.cc b/winsup/cygwin/sysconf.cc index 64f5bfaa1..dddf2c362 100644 --- a/winsup/cygwin/sysconf.cc +++ b/winsup/cygwin/sysconf.cc @@ -248,3 +248,51 @@ sysconf (int in) set_errno (EINVAL); return -1L; } + +#define ls(s) sizeof(s),s + +static struct +{ + size_t l; + const char *s; +} csa[] = +{ + {ls ("/bin:/usr/bin")}, /* _CS_PATH */ + {0, NULL}, /* _CS_POSIX_V6_ILP32_OFF32_CFLAGS */ + {0, NULL}, /* _CS_POSIX_V6_ILP32_OFF32_LDFLAGS */ + {0, NULL}, /* _CS_POSIX_V6_ILP32_OFF32_LIBS */ + {0, NULL}, /* _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS */ + {ls ("")}, /* _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS */ + {ls ("")}, /* _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS */ + {ls ("")}, /* _CS_POSIX_V6_ILP32_OFFBIG_LIBS */ + {ls ("")}, /* _CS_XBS5_ILP32_OFFBIG_LINTFLAGS */ + {0, NULL}, /* _CS_POSIX_V6_LP64_OFF64_CFLAGS */ + {0, NULL}, /* _CS_POSIX_V6_LP64_OFF64_LDFLAGS */ + {0, NULL}, /* _CS_POSIX_V6_LP64_OFF64_LIBS */ + {0, NULL}, /* _CS_XBS5_LP64_OFF64_LINTFLAGS */ + {0, NULL}, /* _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS */ + {0, NULL}, /* _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS */ + {0, NULL}, /* _CS_POSIX_V6_LPBIG_OFFBIG_LIBS */ + {0, NULL}, /* _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS */ + {ls ("POSIX_V6_ILP32_OFFBIG")}, /* _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS */ +}; + +#define CS_MIN _CS_PATH +#define CS_MAX _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS + +extern "C" size_t +confstr (int in, char *buf, size_t len) +{ + if (in >= CS_MIN && in <= CS_MAX) + { + if (csa[in].l && len) + { + buf[0] = 0; + strncat (buf, csa[in].s, min (len, csa[in].l) - 1); + } + return csa[in].l; + } + /* Invalid option value. */ + set_errno (EINVAL); + return 0; +} |