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clean up some poorly constructed code (issue #5399, with mod to include header file for ast_copy_string())

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6733 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
2005-10-05 21:11:17 +00:00
parent 8496d5fe92
commit b00e8e509b
1 changed files with 14 additions and 26 deletions
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40
chanvars.c
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@@ -31,44 +31,32 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/chanvars.h"
#include "asterisk/logger.h"
#include "asterisk/strings.h"
struct ast_var_t *ast_var_assign(const char *name, const char *value)
{
int i;
struct ast_var_t *var;
int len;
len = sizeof(struct ast_var_t);
len += strlen(name) + 1;
len += strlen(value) + 1;
var = malloc(len);
var = calloc(sizeof(struct ast_var_t) + strlen(name) + 1 + strlen(value) + 1, sizeof(char));
if (var == NULL)
{
if (var == NULL) {
ast_log(LOG_WARNING, "Out of memory\n");
return NULL;
}
memset(var, 0, len);
i = strlen(name);
strncpy(var->name, name, i);
var->name[i] = '\0';
var->value = var->name + i + 1;
i = strlen(value);
strncpy(var->value, value, i);
var->value[i] = '\0';
i = strlen(name) + 1;
ast_copy_string(var->name, name, i);
var->value = var->name + i;
ast_copy_string(var->value, value, strlen(value) + 1);
return var;
}
void ast_var_delete(struct ast_var_t *var)
{
if (var == NULL) return;
free(var);
if (var)
free(var);
}
char *ast_var_name(struct ast_var_t *var)
@@ -80,8 +68,8 @@ char *ast_var_name(struct ast_var_t *var)
if (var->name == NULL)
return NULL;
/* Return the name without the initial underscores */
if ((strlen(var->name) > 0) && (var->name[0] == '_')) {
if ((strlen(var->name) > 1) && (var->name[1] == '_'))
if (var->name[0] == '_') {
if (var->name[1] == '_')
name = (char*)&(var->name[2]);
else
name = (char*)&(var->name[1]);
@@ -92,12 +80,12 @@ char *ast_var_name(struct ast_var_t *var)
char *ast_var_full_name(struct ast_var_t *var)
{
return (var != NULL ? var->name : NULL);
return (var ? var->name : NULL);
}
char *ast_var_value(struct ast_var_t *var)
{
return (var != NULL ? var->value : NULL);
return (var ? var->value : NULL);
}