ulib String tokenization with line continuation

ulib/string/string.c

@@ -173,6 +173,76 @@ char *string_tokenizealloc(char *s, char *delim) {
   return w;
 }
 
+char *string_tokenizealloc_linecontinue(char *s, char *delim) {
+  static char *saved = NULL;
+
+  if (s) {
+    saved = s;
+  }
+
+  if (!delim || !saved) {
+    return NULL;
+  }
+
+  while (*saved && string_strchr(delim, *saved)) {
+    saved++;
+  }
+
+  if (!*saved) {
+    return NULL;
+  }
+
+  char *w = (char *)umalloc(sizeof(char) * STRING_TOKENIZEALLOC_TOK_SIZE);
+  string_memset(w, 0, sizeof(char) * STRING_TOKENIZEALLOC_TOK_SIZE);
+
+  int k = 0;
+
+  while (*saved) {
+    if (*saved == '\\') {
+      char *p = saved;
+      int bs_count = 0;
+
+      while (*p == '\\') {
+        bs_count++;
+        p++;
+      }
+
+      if ((*p == '\n' || (*p == '\r' && (*p + 1) == '\n')) && (bs_count % 2 == 1)) {
+        int tocopy = bs_count / 2;
+        while (tocopy-- > 0 && k < STRING_TOKENIZEALLOC_TOK_SIZE - 1) {
+          w[k++] = '\\';
+        }
+
+        if (*p == '\r' & *(p + 1) == '\n') {
+          saved = p + 2;
+        } else {
+          saved = p + 1;
+        }
+
+        continue;
+      }
+    }
+
+    if (string_strchr(delim, *saved)) {
+      break;
+    }
+
+    if (k >= STRING_TOKENIZEALLOC_TOK_SIZE - 1) {
+      break;
+    }
+
+    w[k++] = *saved++;
+  }
+
+  w[k] = '\0';
+
+  if (*saved) {
+    saved++;
+  }
+
+  return w;
+}
+
 // https://stackoverflow.com/questions/2488563/strcat-implementation
 char *string_combine(char *dest, const char *src) {
   size_t i, j;

ulib/string/string.h

@@ -17,6 +17,7 @@ char *string_strcpy(char *dest, const char *src);
 char *string_strchr(const char *s, int c);
 int string_strncmp(const char * s1, const char * s2, size_t n);
 char *string_tokenizealloc(char *s, char *delim);
+char *string_tokenizealloc_linecontinue(char *s, char *delim);
 char *string_combine(char *dest, const char *src);
 void * string_memmove(void* dest, const void* src, unsigned int n);