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Posted to cvs@httpd.apache.org by sf...@apache.org on 2011/01/20 19:37:47 UTC
svn commit: r1061444 - in /httpd/httpd/trunk/server: core.c util.c
Author: sf
Date: Thu Jan 20 18:37:47 2011
New Revision: 1061444
URL: http://svn.apache.org/viewvc?rev=1061444&view=rev
Log:
Move ap_resolve_env to core.c, in preparation for adding mod_define-like
variable support.
Modified:
httpd/httpd/trunk/server/core.c
httpd/httpd/trunk/server/util.c
Modified: httpd/httpd/trunk/server/core.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/server/core.c?rev=1061444&r1=1061443&r2=1061444&view=diff
==============================================================================
--- httpd/httpd/trunk/server/core.c (original)
+++ httpd/httpd/trunk/server/core.c Thu Jan 20 18:37:47 2011
@@ -1087,6 +1087,95 @@ static const char *set_access_name(cmd_p
return NULL;
}
+/* Check a string for any ${ENV} environment variable
+ * construct and replace each them by the value of
+ * that environment variable, if it exists. If the
+ * environment value does not exist, leave the ${ENV}
+ * construct alone; it means something else.
+ */
+AP_DECLARE(const char *) ap_resolve_env(apr_pool_t *p, const char * word)
+{
+# define SMALL_EXPANSION 5
+ struct sll {
+ struct sll *next;
+ const char *string;
+ apr_size_t len;
+ } *result, *current, sresult[SMALL_EXPANSION];
+ char *res_buf, *cp;
+ const char *s, *e, *ep;
+ unsigned spc;
+ apr_size_t outlen;
+
+ s = ap_strchr_c(word, '$');
+ if (!s) {
+ return word;
+ }
+
+ /* well, actually something to do */
+ ep = word + strlen(word);
+ spc = 0;
+ result = current = &(sresult[spc++]);
+ current->next = NULL;
+ current->string = word;
+ current->len = s - word;
+ outlen = current->len;
+
+ do {
+ /* prepare next entry */
+ if (current->len) {
+ current->next = (spc < SMALL_EXPANSION)
+ ? &(sresult[spc++])
+ : (struct sll *)apr_palloc(p,
+ sizeof(*current->next));
+ current = current->next;
+ current->next = NULL;
+ current->len = 0;
+ }
+
+ if (*s == '$') {
+ if (s[1] == '{' && (e = ap_strchr_c(s, '}'))) {
+ word = getenv(apr_pstrndup(p, s+2, e-s-2));
+ if (word) {
+ current->string = word;
+ current->len = strlen(word);
+ outlen += current->len;
+ }
+ else {
+ current->string = s;
+ current->len = e - s + 1;
+ outlen += current->len;
+ }
+ s = e + 1;
+ }
+ else {
+ current->string = s++;
+ current->len = 1;
+ ++outlen;
+ }
+ }
+ else {
+ word = s;
+ s = ap_strchr_c(s, '$');
+ current->string = word;
+ current->len = s ? s - word : ep - word;
+ outlen += current->len;
+ }
+ } while (s && *s);
+
+ /* assemble result */
+ res_buf = cp = apr_palloc(p, outlen + 1);
+ do {
+ if (result->len) {
+ memcpy(cp, result->string, result->len);
+ cp += result->len;
+ }
+ result = result->next;
+ } while (result);
+ res_buf[outlen] = '\0';
+
+ return res_buf;
+}
+
static int reset_config_defines(void *dummy)
{
ap_server_config_defines = saved_server_config_defines;
Modified: httpd/httpd/trunk/server/util.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/server/util.c?rev=1061444&r1=1061443&r2=1061444&view=diff
==============================================================================
--- httpd/httpd/trunk/server/util.c (original)
+++ httpd/httpd/trunk/server/util.c Thu Jan 20 18:37:47 2011
@@ -755,95 +755,6 @@ AP_DECLARE(char *) ap_getword_conf(apr_p
return res;
}
-/* Check a string for any ${ENV} environment variable
- * construct and replace each them by the value of
- * that environment variable, if it exists. If the
- * environment value does not exist, leave the ${ENV}
- * construct alone; it means something else.
- */
-AP_DECLARE(const char *) ap_resolve_env(apr_pool_t *p, const char * word)
-{
-# define SMALL_EXPANSION 5
- struct sll {
- struct sll *next;
- const char *string;
- apr_size_t len;
- } *result, *current, sresult[SMALL_EXPANSION];
- char *res_buf, *cp;
- const char *s, *e, *ep;
- unsigned spc;
- apr_size_t outlen;
-
- s = ap_strchr_c(word, '$');
- if (!s) {
- return word;
- }
-
- /* well, actually something to do */
- ep = word + strlen(word);
- spc = 0;
- result = current = &(sresult[spc++]);
- current->next = NULL;
- current->string = word;
- current->len = s - word;
- outlen = current->len;
-
- do {
- /* prepare next entry */
- if (current->len) {
- current->next = (spc < SMALL_EXPANSION)
- ? &(sresult[spc++])
- : (struct sll *)apr_palloc(p,
- sizeof(*current->next));
- current = current->next;
- current->next = NULL;
- current->len = 0;
- }
-
- if (*s == '$') {
- if (s[1] == '{' && (e = ap_strchr_c(s, '}'))) {
- word = getenv(apr_pstrndup(p, s+2, e-s-2));
- if (word) {
- current->string = word;
- current->len = strlen(word);
- outlen += current->len;
- }
- else {
- current->string = s;
- current->len = e - s + 1;
- outlen += current->len;
- }
- s = e + 1;
- }
- else {
- current->string = s++;
- current->len = 1;
- ++outlen;
- }
- }
- else {
- word = s;
- s = ap_strchr_c(s, '$');
- current->string = word;
- current->len = s ? s - word : ep - word;
- outlen += current->len;
- }
- } while (s && *s);
-
- /* assemble result */
- res_buf = cp = apr_palloc(p, outlen + 1);
- do {
- if (result->len) {
- memcpy(cp, result->string, result->len);
- cp += result->len;
- }
- result = result->next;
- } while (result);
- res_buf[outlen] = '\0';
-
- return res_buf;
-}
-
AP_DECLARE(int) ap_cfg_closefile(ap_configfile_t *cfp)
{
#ifdef DEBUG