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Fix invalid read errors found with valgrind

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This commit is contained in:
Aaron Cook 2023-05-08 09:55:57 -05:00
commit 40adb336fb
1 changed files with 12 additions and 3 deletions
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15
src/cheerios.c
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@ -514,8 +514,17 @@ handle_color(line_buffer_t *lines, int line_idx, int *pos, int apply)
return 0;
while (p < line_len) {
int fit_col = (p + 7) <= line_len;
int fit_en = (p + 4) <= line_len;
/* fg or bg color */
if (!memcmp(&line[p], "\e[38;5;", 7) || !memcmp(&line[p], "\e[48;5;", 7)) {
if (
fit_col &&
(
!memcmp(&line[p], "\e[38;5;", 7) ||
!memcmp(&line[p], "\e[48;5;", 7)
)
) {
char col_str[4] = { 0 };
short *col = line[p + 2] == '3' ? &fg : &bg;
@ -543,13 +552,13 @@ handle_color(line_buffer_t *lines, int line_idx, int *pos, int apply)
p++;
}
/* enable our color */
else if (!memcmp(&line[p], "\e[1m", 4)) {
else if (fit_en && !memcmp(&line[p], "\e[1m", 4)) {
p += 4;
enable = 1;
break;
}
/* disable our color */
else if (!memcmp(&line[p], "\e[0m", 4)) {
else if (fit_en && !memcmp(&line[p], "\e[0m", 4)) {
p += 4;
enable = 0;
break;