diff options
author | Nicholas <nbnoll@eml.cc> | 2021-11-11 17:07:44 -0800 |
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committer | Nicholas <nbnoll@eml.cc> | 2021-11-11 17:07:44 -0800 |
commit | b375f3cdedb5b0e08745d100b40e38d2f8396a58 (patch) | |
tree | a51d5763646ff482c26e79bfc1dcebccbe4812a7 /sys/base/string/makef.c | |
parent | 44b30ea0883af2827e618a45d472b47cf041a842 (diff) | |
parent | 9695ea005d4af93dcd60f74f10fd3c54499a182f (diff) |
chore: merge master into laptop
Diffstat (limited to 'sys/base/string/makef.c')
-rw-r--r-- | sys/base/string/makef.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/sys/base/string/makef.c b/sys/base/string/makef.c new file mode 100644 index 0000000..8fb9c38 --- /dev/null +++ b/sys/base/string/makef.c @@ -0,0 +1,25 @@ +#include "internal.h" + +// Newf returns a new dynamic string object +string +strĀ·makef(const byte *fmt, ...) +{ + vlong n; + string s; + va_list args; + + va_start(args, fmt); + n = vsnprintf(nil, 0, fmt, args); + va_end(args); + + s = strĀ·makecap(nil, 0, n); + + va_start(args, fmt); + vsnprintf(s, n + 1, fmt, args); + va_end(args); + + Hdr* h = (Hdr*)(s - sizeof(Hdr)); + h->len = n; + + return s; +} |