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Diffstat (limited to 'ui-ssdiff.c')
-rw-r--r--ui-ssdiff.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/ui-ssdiff.c b/ui-ssdiff.c
index 7f261ed..68c2044 100644
--- a/ui-ssdiff.c
+++ b/ui-ssdiff.c
@@ -114,11 +114,10 @@ static char *replace_tabs(char *line)
{
char *prev_buf = line;
char *cur_buf;
- int linelen = strlen(line);
+ size_t linelen = strlen(line);
int n_tabs = 0;
int i;
char *result;
- char *spaces = " ";
if (linelen == 0) {
result = xmalloc(1);
@@ -126,20 +125,23 @@ static char *replace_tabs(char *line)
return result;
}
- for (i = 0; i < linelen; i++)
+ for (i = 0; i < linelen; i++) {
if (line[i] == '\t')
n_tabs += 1;
+ }
result = xmalloc(linelen + n_tabs * 8 + 1);
result[0] = '\0';
- while (1) {
+ for (;;) {
cur_buf = strchr(prev_buf, '\t');
if (!cur_buf) {
strcat(result, prev_buf);
break;
} else {
strncat(result, prev_buf, cur_buf - prev_buf);
- strncat(result, spaces, 8 - (strlen(result) % 8));
+ linelen = strlen(result);
+ memset(&result[linelen], ' ', 8 - (linelen % 8));
+ result[linelen + 8 - (linelen % 8)] = '\0';
}
prev_buf = cur_buf + 1;
}