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[nginx] Core: expose maximum values of time_t and ngx_int_t.

Ruslan Ermilov
March 17, 2015 06:02AM
details: http://hg.nginx.org/nginx/rev/b92d5a26d55f
branches:
changeset: 6008:b92d5a26d55f
user: Ruslan Ermilov <ru@nginx.com>
date: Tue Mar 17 00:24:34 2015 +0300
description:
Core: expose maximum values of time_t and ngx_int_t.

These are needed to detect overflows.

diffstat:

auto/unix | 1 +
src/core/ngx_config.h | 3 +++
src/os/win32/ngx_win32_config.h | 2 ++
3 files changed, 6 insertions(+), 0 deletions(-)

diffs (45 lines):

diff -r 79b473d5381d -r b92d5a26d55f auto/unix
--- a/auto/unix Fri Mar 13 16:43:01 2015 +0300
+++ b/auto/unix Tue Mar 17 00:24:34 2015 +0300
@@ -510,6 +510,7 @@ ngx_param=NGX_OFF_T_LEN; ngx_value=$ngx_
ngx_type="time_t"; . auto/types/sizeof
ngx_param=NGX_TIME_T_SIZE; ngx_value=$ngx_size; . auto/types/value
ngx_param=NGX_TIME_T_LEN; ngx_value=$ngx_max_len; . auto/types/value
+ngx_param=NGX_MAX_TIME_T_VALUE; ngx_value=$ngx_max_value; . auto/types/value


# syscalls, libc calls and some features
diff -r 79b473d5381d -r b92d5a26d55f src/core/ngx_config.h
--- a/src/core/ngx_config.h Fri Mar 13 16:43:01 2015 +0300
+++ b/src/core/ngx_config.h Tue Mar 17 00:24:34 2015 +0300
@@ -85,8 +85,11 @@ typedef intptr_t ngx_flag_t;

#if (NGX_PTR_SIZE == 4)
#define NGX_INT_T_LEN NGX_INT32_LEN
+#define NGX_MAX_INT_T_VALUE 2147483647
+
#else
#define NGX_INT_T_LEN NGX_INT64_LEN
+#define NGX_MAX_INT_T_VALUE 9223372036854775807
#endif


diff -r 79b473d5381d -r b92d5a26d55f src/os/win32/ngx_win32_config.h
--- a/src/os/win32/ngx_win32_config.h Fri Mar 13 16:43:01 2015 +0300
+++ b/src/os/win32/ngx_win32_config.h Tue Mar 17 00:24:34 2015 +0300
@@ -196,6 +196,7 @@ typedef int sig_atomic_t
#define NGX_MAX_SIZE_T_VALUE 9223372036854775807
#define NGX_TIME_T_LEN (sizeof("-9223372036854775808") - 1)
#define NGX_TIME_T_SIZE 8
+#define NGX_MAX_TIME_T_VALUE 9223372036854775807

#else

@@ -204,6 +205,7 @@ typedef int sig_atomic_t
#define NGX_MAX_SIZE_T_VALUE 2147483647
#define NGX_TIME_T_LEN (sizeof("-2147483648") - 1)
#define NGX_TIME_T_SIZE 4
+#define NGX_MAX_TIME_T_VALUE 2147483647

#endif


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Subject Author Views Posted

[nginx] Core: expose maximum values of time_t and ngx_int_t.

Ruslan Ermilov 724 March 17, 2015 06:02AM



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