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scanner: Add configure check for strndup

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Some platforms may not have strndup() (e.g. MinGW), so provide a
equivalent implementation if it's not found.

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
This commit is contained in:
Joshua Watt 2019-10-25 21:03:23 -05:00
parent 8e0513410d
commit 4a1f348c20
2 changed files with 12 additions and 1 deletions
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2
configure.ac
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@ -63,7 +63,7 @@ fi
AC_SUBST(GCC_CFLAGS) AC_SUBST(GCC_CFLAGS)
AC_CHECK_HEADERS([sys/prctl.h]) AC_CHECK_HEADERS([sys/prctl.h])
AC_CHECK_FUNCS([accept4 mkostemp posix_fallocate prctl memfd_create]) AC_CHECK_FUNCS([accept4 mkostemp posix_fallocate prctl memfd_create strndup])
# *BSD don't have libdl, but they have its functions in libc # *BSD don't have libdl, but they have its functions in libc
WESTON_SEARCH_LIBS([DL], [dl], [dlsym]) WESTON_SEARCH_LIBS([DL], [dl], [dlsym])

11
src/scanner.c
View file

@ -975,6 +975,17 @@ verify_arguments(struct parse_context *ctx,
} }
#ifndef HAVE_STRNDUP
char *
strndup(const char *s, size_t size)
{
char *r = malloc(size + 1);
strncpy(r, s, size);
r[size] = '\0';
return r;
}
#endif
static void static void
end_element(void *data, const XML_Char *name) end_element(void *data, const XML_Char *name)
{ {