diff options
| -rw-r--r-- | str.h | 27 |
1 files changed, 27 insertions, 0 deletions
@@ -14,15 +14,20 @@ typedef struct { } strv_t; #define strv(s) (strv_t) { s, strlen(s) } +#define strvs(s) (strv_t) { s, slen(s) } string snew(void); size_t slen(const string); void scats(string *, strv_t); void scatc(string *, char); void sfree(string); +string sfmt(const char *fmt, ...); +string sdup(const char *); #ifdef STDWRM_IMPL_STR +#include <stdarg.h> + string snew(void) { string s; DA_INIT(s); @@ -54,5 +59,27 @@ void sfree(string s) { DA_FREE(s); } +string sfmt(const char *fmt, ...) { + va_list count, print; + string s; + FILE *f = fopen("/dev/null", "w/o"); + va_start(print, fmt); + va_copy(count, print); + size_t n = vfprintf(f, fmt, count) + 1; + DA_INIT_SZ(s, n); + vsprintf(s, fmt, print); + va_end(print); + fclose(f); + return s; +} + +string sdup(const char *s) { + string d; + size_t n = strlen(s) + 1; + DA_INIT_SZ(d, n); + memcpy(d, s, n); + return d; +} + #endif #endif |