diff options
Diffstat (limited to 'src/nxt_sprintf.c')
| -rw-r--r-- | src/nxt_sprintf.c | 41 |
1 files changed, 25 insertions, 16 deletions
diff --git a/src/nxt_sprintf.c b/src/nxt_sprintf.c index 9557b327..9c8e27ed 100644 --- a/src/nxt_sprintf.c +++ b/src/nxt_sprintf.c @@ -90,15 +90,13 @@ static u_char *nxt_number(nxt_sprintf_t *spf, u_char *buf, double n); /* A right way of "f == 0.0". */ -#define \ -nxt_double_is_zero(f) \ +#define nxt_double_is_zero(f) \ (fabs(f) <= FLT_EPSILON) u_char * nxt_vsprintf(u_char *buf, u_char *end, const char *fmt, va_list args) { - u_char *p; int d; double f, i; size_t length; @@ -110,12 +108,14 @@ nxt_vsprintf(u_char *buf, u_char *end, const char *fmt, va_list args) nxt_msec_t ms; nxt_nsec_t ns; nxt_bool_t sign; + const u_char *p; nxt_sprintf_t spf; nxt_file_name_t *fn; static const u_char hexadecimal[16] = "0123456789abcdef"; static const u_char HEXADECIMAL[16] = "0123456789ABCDEF"; static const u_char nan[] = "[nan]"; + static const u_char null[] = "[null]"; static const u_char infinity[] = "[infinity]"; spf.end = end; @@ -151,15 +151,18 @@ nxt_vsprintf(u_char *buf, u_char *end, const char *fmt, va_list args) continue; case 's': - p = va_arg(args, u_char *); + fmt++; - if (nxt_fast_path(p != NULL)) { - while (*p != '\0' && buf < end) { - *buf++ = *p++; - } + p = va_arg(args, const u_char *); + + if (nxt_slow_path(p == NULL)) { + goto copy; + } + + while (*p != '\0' && buf < end) { + *buf++ = *p++; } - fmt++; continue; case '*': @@ -169,11 +172,9 @@ nxt_vsprintf(u_char *buf, u_char *end, const char *fmt, va_list args) if (*fmt == 's') { fmt++; - p = va_arg(args, u_char *); + p = va_arg(args, const u_char *); - if (nxt_fast_path(p != NULL)) { - goto copy; - } + goto copy; } continue; @@ -379,13 +380,13 @@ nxt_vsprintf(u_char *buf, u_char *end, const char *fmt, va_list args) } if (nxt_slow_path(isnan(f))) { - p = (u_char *) nan; + p = nan; length = nxt_length(nan); goto copy; } else if (nxt_slow_path(isinf(f))) { - p = (u_char *) infinity; + p = infinity; length = nxt_length(infinity); goto copy; @@ -555,7 +556,15 @@ nxt_vsprintf(u_char *buf, u_char *end, const char *fmt, va_list args) copy: - buf = nxt_cpymem(buf, p, nxt_min((size_t) (end - buf), length)); + if (nxt_slow_path(p == NULL)) { + p = null; + length = nxt_length(null); + + } else { + length = nxt_min((size_t) (end - buf), length); + } + + buf = nxt_cpymem(buf, p, length); continue; } |