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Allow relative paths as long as the hardcoded path matches the bin path

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up to the last bin directory name.
This commit is contained in:
Bruce Momjian 2004-05-25 20:47:41 +00:00
parent bfb77c15ca
commit 2a70ec1bdf
1 changed files with 67 additions and 81 deletions
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148
src/port/path.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/port/path.c,v 1.14 2004/05/25 18:18:29 momjian Exp $
* $PostgreSQL: pgsql/src/port/path.c,v 1.15 2004/05/25 20:47:41 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -26,7 +26,7 @@
#define ISSEP(ch) ((ch) == '/' || (ch) == '\\')
#endif
static bool relative_path(const char *path1, const char *path2);
const static char *relative_path(const char *bin_path, const char *other_path);
static void trim_directory(char *path);
static void trim_trailing_separator(char *path);
@ -37,6 +37,14 @@ static void trim_trailing_separator(char *path);
(p)++; \
}
/* Macro creates a relative path */
#define MAKE_RELATIVE \
do { \
StrNCpy(path, my_exec_path, MAXPGPATH); \
trim_directory(path); \
trim_directory(path); \
snprintf(ret_path, MAXPGPATH, "%s/%s", path, p); \
} while (0)
/*
* first_path_separator
@ -114,14 +122,10 @@ void
get_share_path(const char *my_exec_path, char *ret_path)
{
char path[MAXPGPATH];
const char *p;
if (relative_path(PGBINDIR, PGSHAREDIR))
{
StrNCpy(path, my_exec_path, MAXPGPATH);
trim_directory(path); /* trim off binary */
trim_directory(path); /* trim off /bin */
snprintf(ret_path, MAXPGPATH, "%s/share", path);
}
if ((p = relative_path(PGBINDIR, PGSHAREDIR)))
MAKE_RELATIVE;
else
StrNCpy(ret_path, PGSHAREDIR, MAXPGPATH);
}
@ -135,14 +139,10 @@ void
get_etc_path(const char *my_exec_path, char *ret_path)
{
char path[MAXPGPATH];
const char *p;
if (relative_path(PGBINDIR, SYSCONFDIR))
{
StrNCpy(path, my_exec_path, MAXPGPATH);
trim_directory(path);
trim_directory(path);
snprintf(ret_path, MAXPGPATH, "%s/etc", path);
}
if ((p = relative_path(PGBINDIR, SYSCONFDIR)))
MAKE_RELATIVE;
else
StrNCpy(ret_path, SYSCONFDIR, MAXPGPATH);
}
@ -156,14 +156,10 @@ void
get_include_path(const char *my_exec_path, char *ret_path)
{
char path[MAXPGPATH];
const char *p;
if (relative_path(PGBINDIR, INCLUDEDIR))
{
StrNCpy(path, my_exec_path, MAXPGPATH);
trim_directory(path);
trim_directory(path);
snprintf(ret_path, MAXPGPATH, "%s/include", path);
}
if ((p = relative_path(PGBINDIR, INCLUDEDIR)))
MAKE_RELATIVE;
else
StrNCpy(ret_path, INCLUDEDIR, MAXPGPATH);
}
@ -177,14 +173,10 @@ void
get_pkginclude_path(const char *my_exec_path, char *ret_path)
{
char path[MAXPGPATH];
const char *p;
if (relative_path(PGBINDIR, PKGINCLUDEDIR))
{
StrNCpy(path, my_exec_path, MAXPGPATH);
trim_directory(path);
trim_directory(path);
snprintf(ret_path, MAXPGPATH, "%s/include", path);
}
if ((p = relative_path(PGBINDIR, PKGINCLUDEDIR)))
MAKE_RELATIVE;
else
StrNCpy(ret_path, PKGINCLUDEDIR, MAXPGPATH);
}
@ -200,14 +192,10 @@ void
get_pkglib_path(const char *my_exec_path, char *ret_path)
{
char path[MAXPGPATH];
const char *p;
if (relative_path(PGBINDIR, PKGLIBDIR))
{
StrNCpy(path, my_exec_path, MAXPGPATH);
trim_directory(path);
trim_directory(path);
snprintf(ret_path, MAXPGPATH, "%s/lib", path);
}
if ((p = relative_path(PGBINDIR, PKGLIBDIR)))
MAKE_RELATIVE;
else
StrNCpy(ret_path, PKGLIBDIR, MAXPGPATH);
}
@ -223,14 +211,10 @@ void
get_locale_path(const char *my_exec_path, char *ret_path)
{
char path[MAXPGPATH];
const char *p;
if (relative_path(PGBINDIR, LOCALEDIR))
{
StrNCpy(path, my_exec_path, MAXPGPATH);
trim_directory(path);
trim_directory(path);
snprintf(ret_path, MAXPGPATH, "%s/share/locale", path);
}
if ((p = relative_path(PGBINDIR, LOCALEDIR)))
MAKE_RELATIVE;
else
StrNCpy(ret_path, LOCALEDIR, MAXPGPATH);
}
@ -271,68 +255,71 @@ set_pglocale(const char *argv0, const char *app)
*
* Do the supplied paths differ only in their last component?
*/
static bool
relative_path(const char *path1, const char *path2)
static const char *
relative_path(const char *bin_path, const char *other_path)
{
const char *other_sep = other_path;
#ifdef WIN32
/* Driver letters match? */
if (isalpha(*path1) && path1[1] == ':' &&
(!isalpha(*path2) || !path2[1] == ':'))
return false;
if ((!isalpha(*path1) || !path1[1] == ':') &&
(isalpha(*path2) && path2[1] == ':'))
return false;
if (isalpha(*path1) && path1[1] == ':' &&
isalpha(*path2) && path2[1] == ':')
if (isalpha(*bin_path) && bin_path[1] == ':' &&
(!isalpha(*other_path) || !other_path[1] == ':'))
return NULL;
if ((!isalpha(*bin_path) || !bin_path[1] == ':') &&
(isalpha(*other_path) && other_path[1] == ':'))
return NULL;
if (isalpha(*bin_path) && bin_path[1] == ':' &&
isalpha(*other_path) && other_path[1] == ':')
{
if (toupper(*path1) != toupper(*path2))
return false;
path1 += 2;
path2 += 2;
if (toupper(*bin_path) != toupper(*other_path))
return NULL;
bin_path += 2;
other_path += 2;
other_sep = other_path + 1; /* past separator */
}
#endif
while (1)
{
/* Move past adjacent slashes like //, and trailing ones */
MOVE_TO_SEP_END(path1);
MOVE_TO_SEP_END(path2);
MOVE_TO_SEP_END(bin_path);
MOVE_TO_SEP_END(other_path);
/* One of the paths is done? */
if (!*path1 || !*path2)
if (!*bin_path || !*other_path)
break;
/* Win32 filesystem is case insensitive */
if ((!ISSEP(*bin_path) || !ISSEP(*other_path)) &&
#ifndef WIN32
if (*path1 != *path2)
*bin_path != *other_path)
#else
if (toupper((unsigned char) *path1) != toupper((unsigned char)*path2))
toupper((unsigned char) *bin_path) != toupper((unsigned char)*other_path))
#endif
break;
break;
path1++;
path2++;
if (ISSEP(*other_path))
other_sep = other_path + 1; /* past separator */
bin_path++;
other_path++;
}
/* both done, identical? */
if (!*path1 && !*path2)
return false;
/* identical? */
if (!*bin_path && !*other_path)
return NULL;
/* advance past directory name */
while (!ISSEP(*path1) && *path1)
path1++;
while (!ISSEP(*path2) && *path2)
path2++;
while (!ISSEP(*bin_path) && *bin_path)
bin_path++;
MOVE_TO_SEP_END(path1);
MOVE_TO_SEP_END(path2);
MOVE_TO_SEP_END(bin_path);
/* Are both strings done? */
if (!*path1 && !*path2)
return true;
/* Is bin done? */
if (!*bin_path)
return other_path;
else
return false;
return NULL;
}
@ -372,4 +359,3 @@ trim_trailing_separator(char *path)
for (p--; p >= path && ISSEP(*p); p--)
*p = '\0';
}