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Bug 5858 - Make the chanvars.c functions return a 'const char *'

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This should prevent us from unintentionally changing variable
values when they're returned from pbx_builtin_getvar_helper.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@7304 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2005-12-03 19:25:33 +00:00
parent 6a6b88c0e3
commit 870f98f02d
27 changed files with 117 additions and 116 deletions
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6
include/asterisk/pbx.h
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@@ -605,7 +605,7 @@ struct ast_ignorepat *ast_walk_context_ignorepats(struct ast_context *con,
struct ast_sw *ast_walk_context_switches(struct ast_context *con, struct ast_sw *sw);
int pbx_builtin_serialize_variables(struct ast_channel *chan, char *buf, size_t size);
extern char *pbx_builtin_getvar_helper(struct ast_channel *chan, const char *name);
extern const char *pbx_builtin_getvar_helper(struct ast_channel *chan, const char *name);
extern void pbx_builtin_pushvar_helper(struct ast_channel *chan, const char *name, const char *value);
extern void pbx_builtin_setvar_helper(struct ast_channel *chan, const char *name, const char *value);
extern void pbx_retrieve_variable(struct ast_channel *c, const char *var, char **ret, char *workspace, int workspacelen, struct varshead *headp);
@@ -620,11 +620,11 @@ int ast_extension_patmatch(const char *pattern, const char *data);
set to 1, sets to auto fall through. If newval set to 0, sets to no auto
fall through (reads extension instead). Returns previous value. */
extern int pbx_set_autofallthrough(int newval);
int ast_goto_if_exists(struct ast_channel *chan, char* context, char *exten, int priority);
int ast_goto_if_exists(struct ast_channel *chan, const char *context, const char *exten, int priority);
/* I can find neither parsable nor parseable at dictionary.com, but google gives me 169000 hits for parseable and only 49,800 for parsable */
int ast_parseable_goto(struct ast_channel *chan, const char *goto_string);
int ast_explicit_goto(struct ast_channel *chan, const char *context, const char *exten, int priority);
int ast_async_goto_if_exists(struct ast_channel *chan, char* context, char *exten, int priority);
int ast_async_goto_if_exists(struct ast_channel *chan, const char *context, const char *exten, int priority);
struct ast_custom_function* ast_custom_function_find(char *name);
int ast_custom_function_unregister(struct ast_custom_function *acf);