sbase/libutil/getlines.c

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/* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
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#include "../text.h"
#include "../util.h"
void
getlines(FILE *fp, struct linebuf *b)
{
char *line = NULL;
size_t size = 0, linelen;
ssize_t len;
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while ((len = getline(&line, &size, fp)) > 0) {
if (++b->nlines > b->capacity) {
b->capacity += 512;
b->lines = erealloc(b->lines, b->capacity * sizeof(*b->lines));
}
linelen = len + 1;
b->lines[b->nlines - 1] = memcpy(emalloc(linelen), line, linelen);
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}
free(line);
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if (b->lines && b->nlines && !strchr(b->lines[b->nlines - 1], '\n')) {
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b->lines[b->nlines - 1] = erealloc(b->lines[b->nlines - 1], linelen + 1);
b->lines[b->nlines - 1][linelen - 1] = '\n';
b->lines[b->nlines - 1][linelen] = '\0';
}
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}