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Working on configure.c

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5477 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2013-01-04 16:50:15 +00:00
parent 5e515841de
commit f00aedc7c1
6 changed files with 91 additions and 251 deletions
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tools/cmpconfig.c
+2 -152
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@@ -43,6 +43,8 @@
#include <ctype.h>
#include <errno.h>
#include "cfgparser.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
@@ -51,14 +53,6 @@
* Private Types
****************************************************************************/
struct variable_s
{
struct variable_s *flink;
char *var;
char *val;
char storage[1];
};
/****************************************************************************
* Private Functions
****************************************************************************/
@@ -69,150 +63,6 @@ static void show_usage(const char *progname)
exit(EXIT_FAILURE);
}
static char *skip_space(char *ptr)
{
while (*ptr && isspace((int)*ptr)) ptr++;
return ptr;
}
static char *read_line(FILE *stream, char *line, int len)
{
char *ptr;
for (;;)
{
line[len-1] = '\0';
if (!fgets(line, len, stream))
{
return NULL;
}
else
{
ptr = skip_space(line);
if (*ptr && *ptr != '#' && *ptr != '\n')
{
return ptr;
}
}
}
}
static char *find_name_end(char *ptr)
{
while (*ptr && (isalnum((int)*ptr) || *ptr == '_')) ptr++;
return ptr;
}
static char *find_value_end(char *ptr)
{
while (*ptr && !isspace((int)*ptr))
{
if (*ptr == '"')
{
do ptr++; while (*ptr && *ptr != '"');
if (*ptr) ptr++;
}
else
{
do ptr++; while (*ptr && !isspace((int)*ptr) && *ptr != '"');
}
}
return ptr;
}
static void parse_line(char *ptr, char **varname, char **varval)
{
*varname = ptr;
*varval = NULL;
ptr = find_name_end(ptr);
if (*ptr && *ptr != '=')
{
*ptr = '\0';
ptr = skip_space(ptr + 1);
}
if (*ptr == '=')
{
*ptr = '\0';
ptr = skip_space(ptr + 1);
if (*ptr)
{
*varval = ptr;
ptr = find_value_end(ptr);
*ptr = '\0';
}
}
}
static void parse_file(FILE *stream, struct variable_s **list)
{
char line[10242];
struct variable_s *curr;
struct variable_s *prev;
struct variable_s *next;
char *varname;
char *varval;
char *ptr;
do
{
ptr = read_line(stream, line, 1024);
if (ptr)
{
parse_line(ptr, &varname, &varval);
if (!varval || strcmp(varval, "n") == 0)
{
continue;
}
if (varname)
{
int varlen = strlen(varname) + 1;
int vallen = 0;
if (varval)
{
vallen = strlen(varval) + 1;
}
curr = (struct variable_s *)malloc(sizeof(struct variable_s) + varlen + vallen - 1);
if (curr)
{
curr->var = &curr->storage[0];
strcpy(curr->var, varname);
curr->val = NULL;
if (varval)
{
curr->val = &curr->storage[varlen];
strcpy(curr->val, varval);
}
}
prev = 0;
next = *list;
while (next && strcmp(next->var, curr->var) <= 0)
{
prev = next;
next = next->flink;
}
if (prev)
{
prev->flink = curr;
}
else
{
*list = curr;
}
curr->flink = next;
}
}
}
while (ptr);
}
static void compare_variables(struct variable_s *list1, struct variable_s *list2)
{
char *varval1;