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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <volk/volk_prefs.h>
//#if defined(_WIN32)
//#include <Windows.h>
//#endif
void get_config_path(char *path) {
const char *suffix = "/.volk/volk_config";
char *home = NULL;
if (home == NULL) home = getenv("HOME");
if (home == NULL) home = getenv("APPDATA");
if (home == NULL){
path = NULL;
return;
}
strcpy(path, home);
strcat(path, suffix);
}
//passing by reference in C can (***********)
int load_preferences(struct volk_arch_pref **prefs) {
FILE *config_file;
char path[512], line[512], function[128], arch[32];
int n_arch_prefs = 0;
struct volk_arch_pref *t_pref;
//get the config path
get_config_path(path);
if (path == NULL) return n_arch_prefs; //no prefs found
config_file = fopen(path, "r");
if(!config_file) return n_arch_prefs; //no prefs found
while(fgets(line, 512, config_file) != NULL) {
if(sscanf(line, "%s %s", function, arch) == 2 && !strncmp(function, "volk_", 5)) {
n_arch_prefs++;
}
}
//now allocate the memory required for volk_arch_prefs
(*prefs) = (struct volk_arch_pref *) malloc(n_arch_prefs * sizeof(struct volk_arch_pref));
t_pref = (*prefs);
//reset the file pointer and write the prefs into volk_arch_prefs
rewind(config_file);
while(fgets(line, 512, config_file) != NULL) {
if(sscanf(line, "%s %s", function, arch) == 2 && !strncmp(function, "volk_", 5)) {
strncpy(t_pref->name, function, 128);
strncpy(t_pref->arch, arch, 32);
t_pref++;
}
}
fclose(config_file);
return n_arch_prefs;
}
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