diff options
Diffstat (limited to 'common/str.cpp')
| -rw-r--r-- | common/str.cpp | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/common/str.cpp b/common/str.cpp index c21e4412db..740e7b6a06 100644 --- a/common/str.cpp +++ b/common/str.cpp @@ -17,9 +17,6 @@ * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ */ #include "common/str.h" @@ -836,3 +833,36 @@ size_t strlcat(char *dst, const char *src, size_t size) { } } // End of namespace Common + +// Portable implementation of stricmp / strcasecmp / strcmpi. +// TODO: Rename this to Common::strcasecmp +int scumm_stricmp(const char *s1, const char *s2) { + byte l1, l2; + do { + // Don't use ++ inside tolower, in case the macro uses its + // arguments more than once. + l1 = (byte)*s1++; + l1 = tolower(l1); + l2 = (byte)*s2++; + l2 = tolower(l2); + } while (l1 == l2 && l1 != 0); + return l1 - l2; +} + +// Portable implementation of strnicmp / strncasecmp / strncmpi. +// TODO: Rename this to Common::strncasecmp +int scumm_strnicmp(const char *s1, const char *s2, uint n) { + byte l1, l2; + do { + if (n-- == 0) + return 0; // no difference found so far -> signal equality + + // Don't use ++ inside tolower, in case the macro uses its + // arguments more than once. + l1 = (byte)*s1++; + l1 = tolower(l1); + l2 = (byte)*s2++; + l2 = tolower(l2); + } while (l1 == l2 && l1 != 0); + return l1 - l2; +} |