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#include <s.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include "slurp.h"
int
slurp_for_tests(const char *const filename, char **out) {
int rc = -1;
FILE *file = NULL;
char *str = NULL;
file = fopen(filename, "r");
if (file == NULL) {
// Comment to prevent clobbering in test output
// perror("fopen(filename, \"r\")");
goto out;
}
if (fseek(file, 0L, SEEK_END)) {
perror("fseek(file, 0L, SEEK_END)");
goto out;
}
const long lsize = ftell(file);
if (lsize == -1) {
perror("ftell(file)");
goto out;
}
const size_t size = (size_t)lsize;
errno = 0;
rewind(file);
if (errno) {
perror("rewind(file)");
goto out;
}
str = malloc(size + NULL_TERMINATOR);
if (str == NULL) {
perror("malloc(...)");
goto out;
}
if (fread(str, sizeof(char), size, file) != size) {
perror("fread(...)");
goto out;
}
str[size] = '\0';
*out = str;
rc = 0;
out:
if (file != NULL) {
if (fclose(file)) {
perror("flcose(file");
rc = -1;
}
}
if (rc) {
if (str != NULL) {
free(str);
}
}
return rc;
}
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