Update string

src/string/include.h

@@ -56,4 +56,8 @@ extern void libcdsb_string_replace(str_t* x, char* p, size_t n, const char* v, s
 #define string_split_cstring           libcdsb_string_split_cstring
 #define string_split_char              libcdsb_string_split_char
 
+#define string_replace_cstring_cstring_r libcdsb_string_replace_r_cstring_cstring
+#define string_replace_cstring_char_r    libcdsb_string_replace_r_cstring_char
+#define string_replace_char_cstring_r    libcdsb_string_replace_r_char_cstring
+
 #endif /* LIBCDSB_SRC_STRING_INCLUDE_H */

src/string/replace.c

@@ -4,8 +4,10 @@
 #include "include.h"
 
 size_t string_replace_cstring_cstring(str_t* x, const char* a, const char* d, size_t maxn) {
-    char* p;
-    size_t c, an, dn;
+    char *p, *t, *r;
+    size_t c, n, an, dn;
+
+    if (a == d) return string_count(x, a);
 
     if (is_null(x->buffer) || is_null(a) || !*x->buffer || !*a) {
         return 0;
@@ -13,8 +15,26 @@ size_t string_replace_cstring_cstring(str_t* x, const char* a, const char* d, si
 
     an = strlen(a);
     dn = (!is_null(d)) ? strlen(d) : 0;
+    n  = strlen(x->buffer);
     p  = x->buffer;
     c  = 0;
+    t  = 0;
+    r  = 0;
+
+    if (x->buffer == a) {
+        x->buffer = realloc(x->buffer, dn + 1);
+        memcpy(x->buffer, d, dn);
+
+        return 1;
+    }
+
+    if (x->buffer < a && a < x->buffer + n) {
+        a = r = memndup(a, an);
+    }
+
+    if (x->buffer <= d && d < x->buffer + n) {
+        d = t = memndup(d, dn);
+    }
 
     while (maxn-- && !is_null(p = strstr(p, a))) {
         string_replace(x, p, an, d, dn);
@@ -22,14 +42,16 @@ size_t string_replace_cstring_cstring(str_t* x, const char* a, const char* d, si
         ++c;
     }
 
+    free(r);
+    free(t);
     return c;
 }
 
 
 size_t string_replace_cstring_char(str_t* x, const char* a, int dc, size_t maxn) {
-    char* p;
+    char *p, *t;
     char d[4];
-    size_t c, an, dn;
+    size_t c, n, an, dn;
 
     if (is_null(x->buffer) || is_null(a) || !*x->buffer || !*a) {
         return 0;
@@ -38,8 +60,19 @@ size_t string_replace_cstring_char(str_t* x, const char* a, int dc, size_t maxn)
     an = strlen(a);
     p  = tochar_unicode(d, dc);
     dn = (!is_null(p)) ? p - d : 0;
+    n  = strlen(x->buffer);
     p  = x->buffer;
     c  = 0;
+    t  = 0;
+
+    if (x->buffer == a) {
+        x->buffer = realloc(x->buffer, dn + 1);
+        memcpy(x->buffer, d, dn);
+
+        return 1;
+    } else if (x->buffer < a && a < x->buffer + n) {
+        a = t = memndup(a, an);
+    }
 
     while (maxn-- && !is_null(p = strstr(p, a))) {
         string_replace(x, p, an, d, dn);
@@ -47,14 +80,15 @@ size_t string_replace_cstring_char(str_t* x, const char* a, int dc, size_t maxn)
         ++c;
     }
 
+    free(t);
     return c;
 }
 
 
 size_t string_replace_char_cstring(str_t* x, int ac, const char* d, size_t maxn) {
-    char* p;
+    char *p, *t;
     char a[4];
-    size_t c, an, dn;
+    size_t c, n, an, dn;
 
     p = tochar_unicode(a, ac);
 
@@ -64,8 +98,14 @@ size_t string_replace_char_cstring(str_t* x, int ac, const char* d, size_t maxn)
 
     an = p - a;
     dn = (!is_null(d)) ? strlen(d) : 0;
+    n  = strlen(x->buffer);
     p  = x->buffer;
     c  = 0;
+    t  = 0;
+
+    if (x->buffer <= d && d < x->buffer + n) {
+        d = t = memndup(d, dn);
+    }
 
     while (maxn-- && !is_null(p = strstr(p, a))) {
         string_replace(x, p, an, d, dn);
@@ -73,6 +113,7 @@ size_t string_replace_char_cstring(str_t* x, int ac, const char* d, size_t maxn)
         ++c;
     }
 
+    free(t);
     return c;
 }
 
@@ -103,3 +144,78 @@ size_t string_replace_char_char(str_t* x, int ac, int dc, size_t maxn) {
 
     return c;
 }
+
+
+
+size_t string_replace_cstring_cstring_r(str_t* x, const char*restrict a, const char*restrict d, size_t maxn) {
+    char *restrict p;
+    size_t c, an, dn;
+
+    if (is_null(x->buffer) || is_null(a) || !*x->buffer || !*a) {
+        return 0;
+    }
+
+    an = strlen(a);
+    dn = (!is_null(d)) ? strlen(d) : 0;
+    p  = x->buffer;
+    c  = 0;
+
+    while (maxn-- && !is_null(p = strstr(p, a))) {
+        string_replace(x, p, an, d, dn);
+        p += an;
+        ++c;
+    }
+
+    return c;
+}
+
+
+size_t string_replace_cstring_char_r(str_t* x, const char*restrict a, int dc, size_t maxn) {
+    char *restrict p;
+    char d[4];
+    size_t c, an, dn;
+
+    if (is_null(x->buffer) || is_null(a) || !*x->buffer || !*a) {
+        return 0;
+    }
+
+    an = strlen(a);
+    p  = tochar_unicode(d, dc);
+    dn = (!is_null(p)) ? p - d : 0;
+    p  = x->buffer;
+    c  = 0;
+
+    while (maxn-- && !is_null(p = strstr(p, a))) {
+        string_replace(x, p, an, d, dn);
+        p += an;
+        ++c;
+    }
+
+    return c;
+}
+
+
+size_t string_replace_char_cstring_r(str_t* x, int ac, const char*restrict d, size_t maxn) {
+    char *restrict p;
+    char a[4];
+    size_t c, an, dn;
+
+    p = tochar_unicode(a, ac);
+
+    if (is_null(x->buffer) || is_null(p) || !*x->buffer || !*p) {
+        return 0;
+    }
+
+    an = p - a;
+    dn = (!is_null(d)) ? strlen(d) : 0;
+    p  = x->buffer;
+    c  = 0;
+
+    while (maxn-- && !is_null(p = strstr(p, a))) {
+        string_replace(x, p, an, d, dn);
+        p += an;
+        ++c;
+    }
+
+    return c;
+}

src/string/trim.c

@@ -35,9 +35,9 @@ static void th_init(th_t* x, const char* s) {
     if (n && n == strasciilen(s)) {
         for (int i = 0; i < n; ++i) {
   #ifndef STRING_TRIM_MEMOPT
-            x->x[s[i]] = 1;
+            x->x[((unsigned char*)s)[i]] = 1;
   #else
-            x->x[s[i]/(8*sizeof(size_t))] |= (size_t)1<<(s[i]%(8*sizeof(size_t)));
+            x->x[((unsigned char*)s)[i]/(8*sizeof(size_t))] |= (size_t)1<<(((unsigned char*)s)[i]%(8*sizeof(size_t)));
   #endif
         }
     } else if (n) {