/*
* Parse the configuration file 'fcfg' into the array of configuration
* elements 'image_cfg', and return the number of configuration
* elements in 'cfgn'.
*/
static int image_create_config_parse(const char *input,
struct image_cfg_element *image_cfg,
int *cfgn)
{
int ret;
int cfgi = 0;
FILE *fcfg;
char *configpath = dirname(strdup(input));
fcfg = fopen(input, "r");
if (!fcfg) {
fprintf(stderr, "Could not open input file %s\n",
input);
free(configpath);
return -1;
}
/* Parse the configuration file */
while (!feof(fcfg)) {
char *line;
char buf[256];
/* Read the current line */
memset(buf, 0, sizeof(buf));
line = fgets(buf, sizeof(buf), fcfg);
if (!line)
break;
/* Ignore useless lines */
if (line[0] == '\n' || line[0] == '#')
continue;
/* Strip final newline */
if (line[strlen(line) - 1] == '\n')
line[strlen(line) - 1] = 0;
/* Parse the current line */
ret = image_create_config_parse_oneline(line,
&image_cfg[cfgi],
configpath);
if (ret)
goto out;
cfgi++;
if (cfgi >= IMAGE_CFG_ELEMENT_MAX) {
fprintf(stderr, "Too many configuration elements in .cfg file\n");
ret = -1;
goto out;
}
}
ret = 0;
*cfgn = cfgi;
out:
fclose(fcfg);
free(configpath);
return ret;
}
/*
* Parse the configuration file 'fcfg' into the array of configuration
* elements 'image_cfg', and return the number of configuration
* elements in 'cfgn'.
*/
static int image_create_config_parse(FILE *fcfg,
struct image_cfg_element *image_cfg,
int *cfgn)
{
int ret;
int cfgi = 0;
/* Parse the configuration file */
while (!feof(fcfg)) {
char *line;
char buf[256];
/* Read the current line */
memset(buf, 0, sizeof(buf));
line = fgets(buf, sizeof(buf), fcfg);
if (!line)
break;
/* Ignore useless lines */
if (line[0] == '\n' || line[0] == '#')
continue;
/* Strip final newline */
if (line[strlen(line) - 1] == '\n')
line[strlen(line) - 1] = 0;
/* Parse the current line */
ret = image_create_config_parse_oneline(line,
&image_cfg[cfgi]);
if (ret)
return ret;
cfgi++;
if (cfgi >= IMAGE_CFG_ELEMENT_MAX) {
fprintf(stderr, "Too many configuration elements in .cfg file\n");
return -1;
}
}
*cfgn = cfgi;
return 0;
}