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-rw-r--r--stralloc_num.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/stralloc_num.c b/stralloc_num.c
new file mode 100644
index 0000000..64b25fa
--- /dev/null
+++ b/stralloc_num.c
@@ -0,0 +1,29 @@
+#include "stralloc.h"
+
+int stralloc_catulong0(stralloc *sa,unsigned long u,unsigned int n)
+{
+ unsigned int len;
+ unsigned long q;
+ char *s;
+
+ len = 1;
+ q = u;
+ while (q > 9) { ++len; q /= 10; }
+ if (len < n) len = n;
+
+ if (!stralloc_readyplus(sa,len)) return 0;
+ s = sa->s + sa->len;
+ sa->len += len;
+ while (len) { s[--len] = '0' + (u % 10); u /= 10; }
+
+ return 1;
+}
+
+int stralloc_catlong0(stralloc *sa,long l,unsigned int n)
+{
+ if (l < 0) {
+ if (!stralloc_append(sa,"-")) return 0;
+ l = -l;
+ }
+ return stralloc_catulong0(sa,l,n);
+}