167 lines
3.9 KiB
C
167 lines
3.9 KiB
C
#include "config.h"
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#include <Eina.h>
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#include "e_macros.h"
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#ifdef E_LOGGING
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#include "e_log.h"
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#endif
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static Eina_Prefix *pfx = NULL;
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static const char *_prefix_path_data = NULL;
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static unsigned int _prefix_path_data_len = 0;
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static void
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_env_set(const char *var, const char *val)
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{
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if (val)
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{
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#ifdef HAVE_SETENV
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setenv(var, val, 1);
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#else
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char buf[8192];
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snprintf(buf, sizeof(buf), "%s=%s", var, val);
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putenv(strdup(buf));
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#endif
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}
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else
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{
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#ifdef HAVE_UNSETENV
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unsetenv(var);
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#else
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if (getenv(var)) putenv(var);
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#endif
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}
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}
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/* externally accessible functions */
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E_API int
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e_prefix_determine(char *argv0)
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{
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if (pfx) return 1;
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pfx = eina_prefix_new(argv0, e_prefix_determine,
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"E", "enlightenment", "AUTHORS",
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PACKAGE_BIN_DIR,
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PACKAGE_LIB_DIR,
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PACKAGE_DATA_DIR,
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LOCALE_DIR);
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if (!pfx) return 0;
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_prefix_path_data = eina_prefix_data_get(pfx);
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_prefix_path_data_len = strlen(_prefix_path_data);
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#ifdef E_LOGGING
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INF("=================================");
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INF("Enlightenment relocation handling");
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INF("=================================");
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INF("PREFIX: %s", eina_prefix_get(pfx));
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INF("BINDIR: %s", eina_prefix_bin_get(pfx));
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INF("LIBDIR: %s", eina_prefix_lib_get(pfx));
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INF("DATADIR: %s", eina_prefix_data_get(pfx));
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INF("LOCALE: %s", eina_prefix_locale_get(pfx));
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INF("=================================");
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#else
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printf("=================================\n");
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printf("Enlightenment relocation handling\n");
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printf("=================================\n");
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printf("PREFIX: %s\n", eina_prefix_get(pfx));
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printf("BINDIR: %s\n", eina_prefix_bin_get(pfx));
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printf("LIBDIR: %s\n", eina_prefix_lib_get(pfx));
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printf("DATADIR: %s\n", eina_prefix_data_get(pfx));
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printf("LOCALE: %s\n", eina_prefix_locale_get(pfx));
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printf("=================================\n");
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#endif
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_env_set("E_PREFIX", eina_prefix_get(pfx));
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_env_set("E_BIN_DIR", eina_prefix_bin_get(pfx));
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_env_set("E_LIB_DIR", eina_prefix_lib_get(pfx));
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_env_set("E_DATA_DIR", eina_prefix_data_get(pfx));
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_env_set("E_LOCALE_DIR", eina_prefix_locale_get(pfx));
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return 1;
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}
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EINTERN void
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e_prefix_shutdown(void)
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{
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if (!pfx) return;
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_prefix_path_data = NULL;
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_prefix_path_data_len = 0;
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eina_prefix_free(pfx);
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pfx = NULL;
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}
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E_API void
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e_prefix_fallback(void)
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{
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}
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E_API const char *
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e_prefix_get(void)
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{
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return eina_prefix_get(pfx);
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}
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E_API const char *
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e_prefix_locale_get(void)
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{
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return eina_prefix_locale_get(pfx);
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}
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E_API const char *
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e_prefix_bin_get(void)
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{
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return eina_prefix_bin_get(pfx);
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}
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E_API const char *
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e_prefix_data_get(void)
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{
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return eina_prefix_data_get(pfx);
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}
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E_API const char *
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e_prefix_lib_get(void)
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{
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return eina_prefix_lib_get(pfx);
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}
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E_API size_t
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e_prefix_data_concat_len(char *dst, size_t size, const char *path, size_t path_len)
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{
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return eina_str_join_len(dst, size, '/', _prefix_path_data, _prefix_path_data_len, path, path_len);
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}
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E_API size_t
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e_prefix_data_concat(char *dst, size_t size, const char *path)
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{
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return e_prefix_data_concat_len(dst, size, path, strlen(path));
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}
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E_API size_t EINA_PRINTF(3, 4)
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e_prefix_data_snprintf(char *dst, size_t size, const char *fmt, ...)
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{
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size_t off, ret;
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va_list ap;
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va_start(ap, fmt);
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off = _prefix_path_data_len + 1;
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if (size < _prefix_path_data_len + 2)
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{
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if (size > 1)
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{
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memcpy(dst, _prefix_path_data, size - 1);
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dst[size - 1] = '\0';
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}
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ret = off + vsnprintf(dst + off, size - off, fmt, ap);
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va_end(ap);
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return ret;
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}
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memcpy(dst, _prefix_path_data, _prefix_path_data_len);
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dst[_prefix_path_data_len] = '/';
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ret = off + vsnprintf(dst + off, size - off, fmt, ap);
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va_end(ap);
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return ret;
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}
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