mirror of https://gitlab.com/klmp200/fish.git
125 lines
2.3 KiB
C
125 lines
2.3 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <pwd.h>
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#include <string.h>
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#include "fish_settings.h"
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#include "fish_core.h"
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Settings *getSettings() {
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Settings *s = (Settings*) malloc(sizeof(Settings));
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if (s == NULL){
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crash();
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}
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uid_t uid;
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struct passwd *user;
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char* filename = NULL;
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uid = getuid();
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user = getpwuid(uid);
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filename = (char*) malloc(sizeof(char*)*(strlen(user->pw_dir) + FISH_RC_FILE_SIZE + 1));
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if (filename == NULL) crash();
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filename[0] = '\0';
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filename = strcat(filename, user->pw_dir);
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filename = strcat(filename, (char*) FISH_RC_FILE);
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s->passwd = user;
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s->PS1 = extractVariable(filename, (char*) "PS1");
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if (s->PS1 == NULL) s->PS1 = strdup("->");
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s->PS2 = extractVariable(filename, (char*) "PS2");
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if (s->PS2 == NULL) s->PS2 = strdup("->");
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free(filename);
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return s;
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}
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void freeSettings(Settings *settings){
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if (settings != NULL){
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settings->PS1[0] = '\0';
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settings->PS2[0] = '\0';
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free(settings->PS1);
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free(settings->PS2);
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free(settings);
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}
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}
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void printPS(char* PS, Settings* s){
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int buf= FISH_BUFFER_SIZE;
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int i = 0;
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int slashed = 0;
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char* path = NULL;
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while (PS[i] != '\0'){
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if(slashed){
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switch (PS[i])
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{
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case 'u':
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printf("%s",s->passwd->pw_name);
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break;
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case 'p':
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path = (char*) malloc(sizeof(char)*buf);
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while(getcwd(path,buf) == NULL){
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buf+=FISH_BUFFER_SIZE;
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free(path);
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path = (char*) malloc(sizeof(char)*buf);
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}
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printf("%s",path);
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free(path);
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path = NULL;
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break;
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default:printf("%c",PS[i]);
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}
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slashed = 0;
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}
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else if(PS[i] == '\\'){
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slashed = 1;
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}else{
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printf("%c",PS[i]);
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}
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++i;
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}
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}
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char* extractVariable(char* filename, char* var){
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FILE *file = fopen ( filename, "r" );
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int var_size = strlen(var);
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char *tmp = NULL;
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char line[FISH_BUFFER_SIZE];
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int i = 0;
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if ( file != NULL ){
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while ( fgets ( line, FISH_BUFFER_SIZE, file ) != NULL ) {
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if (!strncmp(line, var, var_size)) {
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tmp = (char*) malloc(sizeof(char*)* (strlen(line)-var_size));
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if (tmp == NULL) crash();
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i = var_size + 1;
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while(line[i] != '\n' && line[i] != '\0'){
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tmp[i-var_size-1] = line[i];
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i++;
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}
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tmp[i-var_size-1]='\0';
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}
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}
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fclose(file);
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return tmp;
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}
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else {
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perror ( filename ); /* why didn't the file open? */
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}
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return tmp;
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}
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