strsplit()

[ccan] / ccan / string / string.c

diff --git a/ccan/string/string.c b/ccan/string/string.c
new file mode 100644 (file)
index 0000000..d3d17bb
--- /dev/null
+++ b/ccan/string/string.c
@@ -0,0 +1,33 @@
+#include <unistd.h>
+#include <stdint.h>
+#include <string.h>
+#include <limits.h>
+#include <assert.h>
+#include <stdlib.h>
+#include "string.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;
+}
+