Subversion Repositories Tewi

/* $Id: string.c 4 2024-09-13 09:39:33Z nishi $ */

#include <string.h>
#include <stdlib.h>

char* cm_strcat(const char* a, const char* b) {
        char* str = malloc(strlen(a) + strlen(b) + 1);
        memcpy(str, a, strlen(a));
        memcpy(str + strlen(a), b, strlen(b));
        str[strlen(a) + strlen(b)] = 0;
        return str;
}

char* cm_strdup(const char* str) { return cm_strcat(str, ""); }

char* cm_trimstart(const char* str){
        int i;
        for(i = 0; str[i] != 0; i++){
                if(str[i] != ' ' && str[i] != '\t'){
                        return cm_strdup(str + i);
                }
        }
        return cm_strdup("");
}

char* cm_trimend(const char* str){
        char* s = cm_strdup(str);
        int i;
        for(i = strlen(s) - 1; i >= 0; i--){
                if(s[i] != '\t' && s[i] != ' '){
                        s[i + 1] = 0;
                        break;
                }
        }
        return s;
}

char* cm_trim(const char* str){
        char* tmp = cm_trimstart(str);
        char* s = cm_trimend(tmp);
        free(tmp);
        return s;
}