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ctx: Use more standard cache directory 

https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
This commit is contained in:
Jakub Jelen 2020-11-10 14:44:43 +01:00 committed by Frank Morgner
parent 00ad8644e6
commit 3eae6a031c
1 changed files with 7 additions and 2 deletions
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9
src/libopensc/ctx.c
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@ -1008,7 +1008,12 @@ int sc_get_cache_dir(sc_context_t *ctx, char *buf, size_t bufsize)
}
#ifndef _WIN32
cache_dir = ".eid/cache";
cache_dir = getenv("XDG_CACHE_HOME");
if (cache_dir != NULL && cache_dir[0] != '\0') {
snprintf(buf, bufsize, "%s/%s", cache_dir, "opensc");
return SC_SUCCESS;
}
cache_dir = ".cache/opensc";
homedir = getenv("HOME");
#else
cache_dir = "eid-cache";
@ -1020,7 +1025,7 @@ int sc_get_cache_dir(sc_context_t *ctx, char *buf, size_t bufsize)
homedir = temp_path;
}
#endif
if (homedir == NULL)
if (homedir == NULL || homedir[0] == '\0')
return SC_ERROR_INTERNAL;
if (snprintf(buf, bufsize, "%s/%s", homedir, cache_dir) < 0)
return SC_ERROR_BUFFER_TOO_SMALL;