/* Read from fp until EOF and return a string of everything read.
*/
static char *
load_text_fp (void *ctx, FILE *fp)
{
#define CHUNK 4096
char *text = NULL;
size_t text_size = 0;
size_t total_read = 0;
size_t bytes;
while (1) {
if (total_read + CHUNK + 1 > text_size) {
text_size = text_size ? text_size * 2 : CHUNK + 1;
text = reralloc_size (ctx, text, text_size);
if (text == NULL) {
fprintf (stderr, "Out of memory\n");
return NULL;
}
}
bytes = fread (text + total_read, 1, CHUNK, fp);
total_read += bytes;
if (bytes < CHUNK) {
break;
}
}
text[total_read] = '\0';
return text;
}
/* Read from fd until EOF and return a string of everything read.
*/
static char *
load_text_fd (void *ctx, int fd)
{
#define CHUNK 4096
char *text = NULL;
ssize_t text_size = 0;
ssize_t total_read = 0;
ssize_t bytes;
while (1) {
if (total_read + CHUNK + 1 > text_size) {
text_size = text_size ? text_size * 2 : CHUNK + 1;
text = reralloc_size (ctx, text, text_size);
if (text == NULL) {
fprintf (stderr, "Out of memory\n");
return NULL;
}
}
bytes = read (fd, text + total_read, CHUNK);
if (bytes < 0) {
fprintf (stderr, "Error while reading: %s\n",
strerror (errno));
ralloc_free (text);
return NULL;
}
if (bytes == 0) {
break;
}
total_read += bytes;
}
text[total_read] = '\0';
return text;
}
