diff options
Diffstat (limited to 'util/sbase/libutil/getlines.c')
-rw-r--r-- | util/sbase/libutil/getlines.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/util/sbase/libutil/getlines.c b/util/sbase/libutil/getlines.c new file mode 100644 index 00000000..cef9a612 --- /dev/null +++ b/util/sbase/libutil/getlines.c @@ -0,0 +1,32 @@ +/* See LICENSE file for copyright and license details. */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "../text.h" +#include "../util.h" + +void +getlines(FILE *fp, struct linebuf *b) +{ + char *line = NULL; + size_t size = 0, linelen = 0; + ssize_t len; + + while ((len = getline(&line, &size, fp)) > 0) { + if (++b->nlines > b->capacity) { + b->capacity += 512; + b->lines = ereallocarray(b->lines, b->capacity, sizeof(*b->lines)); + } + linelen = len; + b->lines[b->nlines - 1].data = memcpy(emalloc(linelen + 1), line, linelen + 1); + b->lines[b->nlines - 1].len = linelen; + } + free(line); + if (b->lines && b->nlines && linelen && b->lines[b->nlines - 1].data[linelen - 1] != '\n') { + b->lines[b->nlines - 1].data = erealloc(b->lines[b->nlines - 1].data, linelen + 2); + b->lines[b->nlines - 1].data[linelen] = '\n'; + b->lines[b->nlines - 1].data[linelen + 1] = '\0'; + b->lines[b->nlines - 1].len++; + } +} |