diff options
Diffstat (limited to 'deps/jemalloc/src/util.c')
-rwxr-xr-x[-rw-r--r--] | deps/jemalloc/src/util.c | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/deps/jemalloc/src/util.c b/deps/jemalloc/src/util.c index 4cb0d6c1e..dd8c23630 100644..100755 --- a/deps/jemalloc/src/util.c +++ b/deps/jemalloc/src/util.c @@ -1,3 +1,7 @@ +/* + * Define simple versions of assertion macros that won't recurse in case + * of assertion failures in malloc_*printf(). + */ #define assert(e) do { \ if (config_debug && !(e)) { \ malloc_write("<jemalloc>: Failed assertion\n"); \ @@ -10,6 +14,7 @@ malloc_write("<jemalloc>: Unreachable code reached\n"); \ abort(); \ } \ + unreachable(); \ } while (0) #define not_implemented() do { \ @@ -44,15 +49,19 @@ static void wrtmessage(void *cbopaque, const char *s) { -#ifdef SYS_write +#if defined(JEMALLOC_USE_SYSCALL) && defined(SYS_write) /* * Use syscall(2) rather than write(2) when possible in order to avoid * the possibility of memory allocation within libc. This is necessary * on FreeBSD; most operating systems do not have this problem though. + * + * syscall() returns long or int, depending on platform, so capture the + * unused result in the widest plausible type to avoid compiler + * warnings. */ - UNUSED int result = syscall(SYS_write, STDERR_FILENO, s, strlen(s)); + UNUSED long result = syscall(SYS_write, STDERR_FILENO, s, strlen(s)); #else - UNUSED int result = write(STDERR_FILENO, s, strlen(s)); + UNUSED ssize_t result = write(STDERR_FILENO, s, strlen(s)); #endif } @@ -82,7 +91,7 @@ buferror(int err, char *buf, size_t buflen) #ifdef _WIN32 FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, NULL, err, 0, - (LPSTR)buf, buflen, NULL); + (LPSTR)buf, (DWORD)buflen, NULL); return (0); #elif defined(__GLIBC__) && defined(_GNU_SOURCE) char *b = strerror_r(err, buf, buflen); @@ -191,7 +200,7 @@ malloc_strtoumax(const char *restrict nptr, char **restrict endptr, int base) p++; } if (neg) - ret = -ret; + ret = (uintmax_t)(-((intmax_t)ret)); if (p == ns) { /* No conversion performed. */ @@ -306,10 +315,9 @@ x2s(uintmax_t x, bool alt_form, bool uppercase, char *s, size_t *slen_p) return (s); } -int +size_t malloc_vsnprintf(char *str, size_t size, const char *format, va_list ap) { - int ret; size_t i; const char *f; @@ -400,6 +408,8 @@ malloc_vsnprintf(char *str, size_t size, const char *format, va_list ap) int prec = -1; int width = -1; unsigned char len = '?'; + char *s; + size_t slen; f++; /* Flags. */ @@ -490,8 +500,6 @@ malloc_vsnprintf(char *str, size_t size, const char *format, va_list ap) } /* Conversion specifier. */ switch (*f) { - char *s; - size_t slen; case '%': /* %% */ APPEND_C(*f); @@ -577,20 +585,19 @@ malloc_vsnprintf(char *str, size_t size, const char *format, va_list ap) str[i] = '\0'; else str[size - 1] = '\0'; - ret = i; #undef APPEND_C #undef APPEND_S #undef APPEND_PADDED_S #undef GET_ARG_NUMERIC - return (ret); + return (i); } JEMALLOC_FORMAT_PRINTF(3, 4) -int +size_t malloc_snprintf(char *str, size_t size, const char *format, ...) { - int ret; + size_t ret; va_list ap; va_start(ap, format); @@ -648,3 +655,12 @@ malloc_printf(const char *format, ...) malloc_vcprintf(NULL, NULL, format, ap); va_end(ap); } + +/* + * Restore normal assertion macros, in order to make it possible to compile all + * C files as a single concatenation. + */ +#undef assert +#undef not_reached +#undef not_implemented +#include "jemalloc/internal/assert.h" |