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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-09 13:34:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-09 13:34:27 +0000 |
commit | 4dbdc42d9e7c3968ff7f690d00680419c9b8cb0f (patch) | |
tree | 47c1d492e9c956c1cd2b74dbd3b9d8b0db44dc4e /compat/setenv.c | |
parent | Initial commit. (diff) | |
download | git-4dbdc42d9e7c3968ff7f690d00680419c9b8cb0f.tar.xz git-4dbdc42d9e7c3968ff7f690d00680419c9b8cb0f.zip |
Adding upstream version 1:2.43.0.upstream/1%2.43.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compat/setenv.c')
-rw-r--r-- | compat/setenv.c | 40 |
1 files changed, 40 insertions, 0 deletions
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; +} |