diff options
Diffstat (limited to 'stralloc_num.c')
-rw-r--r-- | stralloc_num.c | 29 |
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); +} |