diff options
Diffstat (limited to 'lib/sh/mbscmp.c')
| -rw-r--r-- | lib/sh/mbscmp.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/lib/sh/mbscmp.c b/lib/sh/mbscmp.c index ea01c27..e0eae5d 100644 --- a/lib/sh/mbscmp.c +++ b/lib/sh/mbscmp.c @@ -24,6 +24,7 @@ #include <stdlib.h> #include <stddef.h> +#include <string.h> /* Compare MBS1 and MBS2. */ int @@ -40,16 +41,25 @@ mbscmp (mbs1, mbs2) do { - len1 = mbtowc ((wchar_t *) &c1, mbs1, MB_CUR_MAX); - len2 = mbtowc ((wchar_t *) &c2, mbs2, MB_CUR_MAX); + len1 = mbtowc (&c1, mbs1, MB_CUR_MAX); + len2 = mbtowc (&c2, mbs2, MB_CUR_MAX); if (len1 == 0) return len2 == 0 ? 0 : -1; - if (len2 == 0) + else if (len2 == 0) return 1; - if (len1 < 0 || len2 < 0) - /* FIXME: an illegal character appears. What to do? */ - return c1 - c2; + else if (len1 > 0 && len2 < 0) + return -1; + else if (len1 < 0 && len2 > 0) + return 1; + else if (len1 < 0 && len2 < 0) + { + len1 = strlen (mbs1); + len2 = strlen (mbs2); + return (len1 == len2 ? memcmp (mbs1, mbs2, len1) + : ((len1 < len2) ? (memcmp (mbs1, mbs2, len1) > 0 ? 1 : -1) + : (memcmp (mbs1, mbs2, len2) >= 0 ? 1 : -1))); + } mbs1 += len1; mbs2 += len2; |