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#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "misc.h"
char *read_file(const char *filename, long *size) {
FILE *fp = fopen(filename, "r");
long filesize = 0;
char *buf;
if (fp == NULL) {
return NULL;
}
if (fseek(fp, 0L, SEEK_END)) {
fclose(fp);
return NULL;
}
filesize = ftell(fp);
if (filesize < 0) {
fclose(fp);
return NULL;
}
buf = calloc(filesize+1, sizeof(char));
if (buf == NULL) {
fclose(fp);
return NULL;
}
rewind(fp);
fread(buf, sizeof(char), filesize, fp);
fclose(fp);
*size = filesize;
return buf;
}
char *get_line(char **str) {
char *s;
size_t i;
char *tmp = *str;
for (i = 0; tmp[i] != '\n' && tmp[i] != '\0'; i++);
s = calloc(i+1, sizeof(char));
memcpy(s, *str, i);
*str += (i+1);
return s;
}
char *make_str(const char *str) {
const size_t length = strlen(str);
char *s = calloc(length+1, sizeof(char));
memcpy(s, str, length+1);
return s;
}
char *dir_path_num(const char *root, int num) {
int len = snprintf(NULL, 0, "%s/%i", root, num);
char *dir = calloc(len+1, sizeof(char));
sprintf(dir, "%s/%i", root, num);
return dir;
}
char *dir_path_name(const char *root, char *name) {
int len = snprintf(NULL, 0, "%s/%s", root, name);
char *dir = calloc(len+1, sizeof(char));
sprintf(dir, "%s/%s", root, name);
return dir;
}
int delm_span(char *str, const char delm) {
int i;
for (i = 0; str[i] == delm; i++);
return i;
}
int sanitize_strlen(char *str) {
int len = 0;
while (*str != '\0') {
const int tok_len = strcspn(str, " .");
const char delm = str[tok_len];
const int span_len = (delm != '\0') ? delm_span(&str[tok_len+1], delm) : 0;
str += (tok_len + span_len);
len += tok_len;
}
return len;
}
char *sanitize_str(char *str) {
const int len = sanitize_strlen(str);
char *san_str = calloc(len+1, sizeof(char));
char *tmp = san_str;
while (*str != '\0' && tmp < &san_str[len]) {
const int tok_len = strcspn(str, " .");
const char delm = str[tok_len];
const int span_len = (delm != '\0') ? delm_span(&str[tok_len+1], delm) : 0;
memcpy(tmp, str, tok_len);
tmp += tok_len;
str += (tok_len + span_len);
*tmp = (delm == ' ') ? '-' : delm;
}
return san_str;
}
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