Rename string to str, and split into three modules.

[ccan] / ccan / str_talloc / str_talloc.c

diff --git a/ccan/str_talloc/str_talloc.c b/ccan/str_talloc/str_talloc.c
new file mode 100644 (file)
index 0000000..7438f48
--- /dev/null
+++ b/ccan/str_talloc/str_talloc.c
@@ -0,0 +1,43 @@
+#include <unistd.h>
+#include <stdint.h>
+#include <string.h>
+#include <limits.h>
+#include <stdlib.h>
+#include "str_talloc.h"
+#include "talloc/talloc.h"
+
+char **strsplit(const void *ctx, const char *string, const char *delims,
+                unsigned int *nump)
+{
+       char **lines = NULL;
+       unsigned int max = 64, num = 0;
+
+       lines = talloc_array(ctx, char *, max+1);
+
+       while (*string != '\0') {
+               unsigned int len = strcspn(string, delims);
+               lines[num] = talloc_array(lines, char, len + 1);
+               memcpy(lines[num], string, len);
+               lines[num][len] = '\0';
+               string += len;
+               string += strspn(string, delims) ? 1 : 0;
+               if (++num == max)
+                       lines = talloc_realloc(ctx, lines, char *, max*=2 + 1);
+       }
+       lines[num] = NULL;
+       if (nump)
+               *nump = num;
+       return lines;
+}
+
+char *strjoin(const void *ctx, char *strings[], const char *delim)
+{
+       unsigned int i;
+       char *ret = talloc_strdup(ctx, "");
+
+       for (i = 0; strings[i]; i++) {
+               ret = talloc_append_string(ret, strings[i]);
+               ret = talloc_append_string(ret, delim);
+       }
+       return ret;
+}