diff options
Diffstat (limited to 'man3/getenv.3')
| -rw-r--r-- | man3/getenv.3 | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/man3/getenv.3 b/man3/getenv.3 index 705eb43..50b17cf 100644 --- a/man3/getenv.3 +++ b/man3/getenv.3 @@ -11,7 +11,7 @@ .\" Modified Sat Jul 24 19:30:29 1993 by Rik Faith (faith@cs.unc.edu) .\" Modified Fri Feb 14 21:47:50 1997 by Andries Brouwer (aeb@cwi.nl) .\" -.TH getenv 3 2023-07-20 "Linux man-pages 6.05.01" +.TH getenv 3 2023-10-31 "Linux man-pages 6.7" .SH NAME getenv, secure_getenv \- get an environment variable .SH LIBRARY @@ -20,16 +20,16 @@ Standard C library .SH SYNOPSIS .nf .B #include <stdlib.h> -.PP +.P .BI "char *getenv(const char *" name ); .BI "char *secure_getenv(const char *" name ); .fi -.PP +.P .RS -4 Feature Test Macro Requirements for glibc (see .BR feature_test_macros (7)): .RE -.PP +.P .BR secure_getenv (): .nf _GNU_SOURCE @@ -43,7 +43,7 @@ environment variable and returns a pointer to the corresponding .I value string. -.PP +.P The GNU-specific .BR secure_getenv () function is just like @@ -60,10 +60,10 @@ set-group-ID program); the effective capability bit was set on the executable file; or .IP \[bu] the process has a nonempty permitted capability set. -.PP +.P Secure execution may also be required if triggered by some Linux security modules. -.PP +.P The .BR secure_getenv () function is intended for use in general-purpose libraries @@ -90,7 +90,6 @@ T{ .BR secure_getenv () T} Thread safety MT-Safe env .TE -.sp 1 .SH STANDARDS .TP .BR getenv () @@ -107,13 +106,13 @@ POSIX.1-2001, C89, C99, SVr4, 4.3BSD. glibc 2.17. .SH NOTES The strings in the environment list are of the form \fIname=value\fP. -.PP +.P As typically implemented, .BR getenv () returns a pointer to a string within the environment list. The caller must take care not to modify this string, since that would change the environment of the process. -.PP +.P The implementation of .BR getenv () is not required to be reentrant. @@ -126,7 +125,7 @@ and can be modified by a subsequent call to .BR setenv (3), or .BR unsetenv (3). -.PP +.P The "secure execution" mode of .BR secure_getenv () is controlled by the |