26.06.2005

1 files changed, 78 insertions, 0 deletions

diff --git a/src/rccstring.c b/src/rccstring.c
new file mode 100644
index 0000000..e2db6be
--- /dev/null
+++ b/src/rccstring.c
@@ -0,0 +1,78 @@
+#include <stdio.h>
+#include <string.h>
+
+#include "internal.h"
+#include "rccstring.h"
+
+rcc_string rccCreateString(rcc_language_id language_id, const char *buf, int len, int *rlen) {
+    char *res;
+    rcc_string_header header = {RCC_STRING_MAGIC, language_id};
+
+    len = STRNLEN(buf, len);
+        
+    res = (char*)malloc(len+sizeof(rcc_string_header)+1);
+    if (!res) return NULL;
+
+    strncpy(res + sizeof(rcc_string_header), buf, len);
+    res[sizeof(rcc_string_header) + 1 + len] = 0;
+
+    memcpy(res, &header, sizeof(rcc_string_header));
+
+    if (rlen) *rlen = len + sizeof(rcc_string_header);
+    return (rcc_string)res;
+}
+
+void rccStringFree(rcc_string str) {
+    if (str) free(str);
+}
+
+rcc_language_id rccStringCheck(const rcc_string str) {
+    int len;
+    rcc_string_header *header;
+
+    len = strlen(str);
+    
+    if ((!str)||(len<=sizeof(unsigned int))||(*((unsigned int*)(str))!=RCC_STRING_MAGIC)) return 0;
+
+    header = (rcc_string_header*)(str);
+    return header->language_id;
+}
+
+const char *rccStringGet(const rcc_string str) {
+    if (rccStringCheck(str)) return str + sizeof(rcc_string_header);
+    return (const char *)str;
+}
+
+char *rccStringExtract(const rcc_string buf, int len, int *rlen) {
+    char *res;
+    
+    len = STRNLEN(buf, len) - sizeof(rcc_string_header);
+    if (len<0) return NULL;
+    
+    res = (char*)malloc(len+1);
+    if (!res) return NULL;
+
+    strncpy(res, buf + sizeof(rcc_string_header), len);
+    res[len] = 0;
+    
+    if (rlen) *rlen = len;
+    
+    return res;    
+}
+
+int rccStringCmp(const rcc_string str1, const rcc_string str2) {
+    return strcmp(rccStringGet(str1), rccStringGet(str2));
+}
+
+int rccStringNCmp(const rcc_string str1, const rcc_string str2, size_t n) {
+    return strncmp(rccStringGet(str1), rccStringGet(str2), n);
+}
+
+int rccStringCaseCmp(const rcc_string str1, const rcc_string str2) {
+    return strcasecmp(rccStringGet(str1), rccStringGet(str2));
+}
+
+int rccStringNCaseCmp(const rcc_string str1, const rcc_string str2, size_t n) {
+    return strncasecmp(rccStringGet(str1), rccStringGet(str2), n);
+}
+