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authorDaniel Stenberg <daniel@haxx.se>2016-09-30 17:15:05 +0200
committerDaniel Stenberg <daniel@haxx.se>2016-10-31 08:46:35 +0100
commit502acba2af821391b85a2cd4ac7b91ad8e9d4180 (patch)
treee219be1178db413bffd92033e965c1e1075c4702 /lib/strcase.c
parent1833a45dde4d27febfce42813699533b1ae993d1 (diff)
downloadcurl-502acba2af821391b85a2cd4ac7b91ad8e9d4180.tar.gz
strcasecompare: is the new name for strequal()
... to make it less likely that we forget that the function actually does case insentive compares. Also replaced several invokes of the function with a plain strcmp when case sensitivity is not an issue (like comparing with "-").
Diffstat (limited to 'lib/strcase.c')
-rw-r--r--lib/strcase.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/lib/strcase.c b/lib/strcase.c
new file mode 100644
index 000000000..14cbe4c54
--- /dev/null
+++ b/lib/strcase.c
@@ -0,0 +1,79 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif
+
+#include "strcase.h"
+
+/*
+ * @unittest: 1301
+ */
+int curl_strcasecompare(const char *first, const char *second)
+{
+#if defined(HAVE_STRCASECMP)
+ return !(strcasecmp)(first, second);
+#elif defined(HAVE_STRCMPI)
+ return !(strcmpi)(first, second);
+#elif defined(HAVE_STRICMP)
+ return !(stricmp)(first, second);
+#else
+ while(*first && *second) {
+ if(toupper(*first) != toupper(*second)) {
+ break;
+ }
+ first++;
+ second++;
+ }
+ return toupper(*first) == toupper(*second);
+#endif
+}
+
+/*
+ * @unittest: 1301
+ */
+int curl_strncasecompare(const char *first, const char *second, size_t max)
+{
+#if defined(HAVE_STRNCASECMP)
+ return !strncasecmp(first, second, max);
+#elif defined(HAVE_STRNCMPI)
+ return !strncmpi(first, second, max);
+#elif defined(HAVE_STRNICMP)
+ return !strnicmp(first, second, max);
+#else
+ while(*first && *second && max) {
+ if(toupper(*first) != toupper(*second)) {
+ break;
+ }
+ max--;
+ first++;
+ second++;
+ }
+ if(0 == max)
+ return 1; /* they are equal this far */
+
+ return toupper(*first) == toupper(*second);
+#endif
+}