reformat changelog entry

[pkg/abook.git] / misc.c

diff --git a/misc.c b/misc.c
index 22ebc800ef941cab85154079e42be606c7a2efb1..0f96b7a878316948c11d98a70259865d5e70ac55 100644 (file)
--- a/misc.c
+++ b/misc.c
@@ -19,6 +19,7 @@
 #      include "config.h"
 #endif
 #include <mbswidth.h>
+#include "abook.h"
 #include "misc.h"
 #include "xmalloc.h"
 
@@ -63,6 +64,41 @@ strtrim(char *s)
        return s;
 }
 
+int
+is_number(char *p)
+{
+       if(!p || !*p || (*p == '-' && !*++p))
+               return 0;
+
+       for(; *p; p++)
+               if(!isdigit(*p))
+                       return 0;
+
+       return 1;
+}
+
+#ifndef HAVE_STRCASESTR
+char *
+strcasestr(const char *haystack, const char *needle)
+{
+       int i;
+       int k;
+
+       assert(haystack != NULL);
+       assert(needle != NULL);
+
+       for(i=0; i<strlen(haystack)-strlen(needle)+1; i++) {
+               for(k=0; k<strlen(needle); k++, i++) {
+                       if (tolower(haystack[i]) != tolower(needle[k]))
+                               break;
+                       else if ((k+1) == strlen(needle))
+                               return &haystack[i];
+               }
+       }
+
+       return NULL;
+}
+#endif
 
 #ifdef HAVE_CONFIG_H
 #      include "config.h"
@@ -1076,3 +1112,189 @@ int main (void)
 #endif /* SNPRINTF_TEST */
 
 #endif /* !HAVE_SNPRINTF */
+
+
+
+
+/*
+ * List handling functions
+ */
+
+void
+abook_list_append(abook_list **list, char *str)
+{
+       abook_list *tmp;
+
+       if(!str)
+               return;
+
+       for(tmp = *list; tmp && tmp->next; tmp = tmp->next)
+               ;
+
+       if(tmp) {
+               tmp->next = xmalloc(sizeof(abook_list));
+               tmp = tmp->next;
+       } else
+               tmp = *list = xmalloc(sizeof(abook_list));
+
+       tmp->data = xstrdup(str);
+       tmp->next = NULL;
+}
+
+void
+abook_list_free(abook_list **list)
+{
+       abook_list *prev = NULL, *tmp = *list;
+
+       if(!list)
+               return;
+
+       while(tmp) {
+               xfree(tmp->data);
+               prev = tmp;
+               tmp = tmp->next;
+               xfree(prev);
+       }
+
+       *list = NULL;
+}
+
+abook_list *
+csv_to_abook_list(char *str)
+{
+       char *start, *p = str, *end;
+       abook_list *list = NULL;
+
+       if(!str)
+               return NULL;
+
+       SKIPWS(p);
+       start = end = p;
+
+       while(*p) {
+               if(!strchr(", ", *p)) {
+                       end = ++p;
+                       continue;
+               }
+
+               if((*p == ',') && (end - start)) {
+                       abook_list_append(&list, xstrndup(start, end - start));
+                       p++;
+                       SKIPWS(p);
+                       start = end = p;
+                       continue;
+               }
+
+               p++;
+       }
+       if(end - start)
+               abook_list_append(&list, xstrndup(start, end - start));
+
+       return list;
+}
+
+char *
+abook_list_to_csv(abook_list *list)
+{
+       abook_list *tmp;
+       char *res = NULL;
+
+       for(tmp = list; tmp; tmp = tmp->next) {
+               if(tmp == list)
+                       res = xstrdup(tmp->data);
+               else {
+                       res = xrealloc(res, strlen(res)+strlen(tmp->data)+2);
+                       strcat(res, ",");
+                       strcat(res, tmp->data);
+               }
+       }
+
+       return res;
+}
+
+void
+abook_list_rotate(abook_list **list, enum rotate_dir dir)
+{
+       abook_list *tmp = *list;
+
+       if(!tmp || !tmp->next)
+               return;
+
+       switch(dir) {
+               case ROTATE_LEFT:
+                       for(; tmp && tmp->next; tmp = tmp->next)
+                               ;
+
+                       tmp->next = *list;
+                       tmp = *list;
+                       *list = (*list)->next;
+                       tmp->next = NULL;
+                       break;
+               case ROTATE_RIGHT:
+                       for(; tmp && tmp->next && tmp->next->next;
+                                       tmp = tmp->next)
+                               ;
+
+                       tmp->next->next = *list;
+                       *list = tmp->next;
+                       tmp->next = NULL;
+                       break;
+               default:
+                       assert(0);
+       }
+}
+
+/* if str == NULL, deleting the list element */
+void
+abook_list_replace(abook_list **list, int index, char *str)
+{
+       abook_list *cur, *prev;
+       int i = 0;
+
+       cur = prev = *list;
+
+       if((index == 0) && !str) {
+               *list = cur->next;
+               free(cur->data);
+               free(cur);
+               return;
+       }
+       
+       while(1) {
+               if(!cur)
+                       return;
+
+               if(i == index)
+                       break;
+
+               prev = cur;
+               cur = cur->next;
+               i++;
+       }
+
+       if(str) {
+               free(cur->data);
+               cur->data = xstrdup(str);
+       } else {
+               prev->next = cur->next;
+               free(cur->data);
+               free(cur);
+       }
+}
+
+abook_list *
+abook_list_get(abook_list *list, int index)
+{
+       int i = 0;
+
+       while(1) {
+               if(!list)
+                       return NULL;
+
+               if(i == index)
+                       return list;
+
+               i++;
+               list = list->next;
+       }
+}