Index: fusl/src/stdio/vsnprintf.c |
diff --git a/fusl/src/stdio/vsnprintf.c b/fusl/src/stdio/vsnprintf.c |
index be2c44eb176d70a5d867b9f339dd58afe5953ec7..1e76b4e02fa6a8ecf3d16bb040b4350320797ffd 100644 |
--- a/fusl/src/stdio/vsnprintf.c |
+++ b/fusl/src/stdio/vsnprintf.c |
@@ -4,39 +4,43 @@ |
#include <errno.h> |
#include <stdint.h> |
-static size_t sn_write(FILE *f, const unsigned char *s, size_t l) |
-{ |
- size_t k = f->wend - f->wpos; |
- if (k > l) k = l; |
- memcpy(f->wpos, s, k); |
- f->wpos += k; |
- /* pretend to succeed, but discard extra data */ |
- return l; |
+static size_t sn_write(FILE* f, const unsigned char* s, size_t l) { |
+ size_t k = f->wend - f->wpos; |
+ if (k > l) |
+ k = l; |
+ memcpy(f->wpos, s, k); |
+ f->wpos += k; |
+ /* pretend to succeed, but discard extra data */ |
+ return l; |
} |
-int vsnprintf(char *restrict s, size_t n, const char *restrict fmt, va_list ap) |
-{ |
- int r; |
- char b; |
- FILE f = { .lbf = EOF, .write = sn_write, .lock = -1 }; |
+int vsnprintf(char* restrict s, |
+ size_t n, |
+ const char* restrict fmt, |
+ va_list ap) { |
+ int r; |
+ char b; |
+ FILE f = {.lbf = EOF, .write = sn_write, .lock = -1}; |
- if (n-1 > INT_MAX-1) { |
- if (n) { |
- errno = EOVERFLOW; |
- return -1; |
- } |
- s = &b; |
- n = 1; |
- } |
+ if (n - 1 > INT_MAX - 1) { |
+ if (n) { |
+ errno = EOVERFLOW; |
+ return -1; |
+ } |
+ s = &b; |
+ n = 1; |
+ } |
- /* Ensure pointers don't wrap if "infinite" n is passed in */ |
- if (n > (char *)0+SIZE_MAX-s-1) n = (char *)0+SIZE_MAX-s-1; |
- f.buf_size = n; |
- f.buf = f.wpos = (void *)s; |
- f.wbase = f.wend = (void *)(s+n); |
- r = vfprintf(&f, fmt, ap); |
+ /* Ensure pointers don't wrap if "infinite" n is passed in */ |
+ if (n > (char*)0 + SIZE_MAX - s - 1) |
+ n = (char*)0 + SIZE_MAX - s - 1; |
+ f.buf_size = n; |
+ f.buf = f.wpos = (void*)s; |
+ f.wbase = f.wend = (void*)(s + n); |
+ r = vfprintf(&f, fmt, ap); |
- /* Null-terminate, overwriting last char if dest buffer is full */ |
- if (n) f.wpos[-(f.wpos == f.wend)] = 0; |
- return r; |
+ /* Null-terminate, overwriting last char if dest buffer is full */ |
+ if (n) |
+ f.wpos[-(f.wpos == f.wend)] = 0; |
+ return r; |
} |