From 4dbdc42d9e7c3968ff7f690d00680419c9b8cb0f Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 9 Apr 2024 15:34:27 +0200 Subject: Adding upstream version 1:2.43.0. Signed-off-by: Daniel Baumann --- compat/setenv.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 compat/setenv.c (limited to 'compat/setenv.c') diff --git a/compat/setenv.c b/compat/setenv.c new file mode 100644 index 0000000..7849f25 --- /dev/null +++ b/compat/setenv.c @@ -0,0 +1,40 @@ +#include "../git-compat-util.h" + +int gitsetenv(const char *name, const char *value, int replace) +{ + int out; + size_t namelen, valuelen; + char *envstr; + + if (!name || strchr(name, '=') || !value) { + errno = EINVAL; + return -1; + } + if (!replace) { + char *oldval = NULL; + oldval = getenv(name); + if (oldval) return 0; + } + + namelen = strlen(name); + valuelen = strlen(value); + envstr = malloc(st_add3(namelen, valuelen, 2)); + if (!envstr) { + errno = ENOMEM; + return -1; + } + + memcpy(envstr, name, namelen); + envstr[namelen] = '='; + memcpy(envstr + namelen + 1, value, valuelen); + envstr[namelen + valuelen + 1] = 0; + + out = putenv(envstr); + /* putenv(3) makes the argument string part of the environment, + * and changing that string modifies the environment --- which + * means we do not own that storage anymore. Do not free + * envstr. + */ + + return out; +} -- cgit v1.2.3