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Do not lazily use BUFSIZ for "I don't care what size" when building

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strings because it is only guaranteed to be 256 bytes and even the
default 1024 is not always enough. Reported by Gregory Pakosz.
This commit is contained in:
nicm
2019-10-03 10:24:05 +00:00
parent bbd1032a2a
commit f4c7141f5d
5 changed files with 7 additions and 7 deletions
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2
cmd-list-keys.c
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@@ -61,7 +61,7 @@ cmd_list_keys_exec(struct cmd *self, struct cmdq_item *item)
struct key_table *table; struct key_table *table;
struct key_binding *bd; struct key_binding *bd;
const char *tablename, *r; const char *tablename, *r;
char *key, *cp, tmp[BUFSIZ]; char *key, *cp, tmp[8192];
int repeat, width, tablewidth, keywidth; int repeat, width, tablewidth, keywidth;
if (self->entry == &cmd_list_commands_entry) if (self->entry == &cmd_list_commands_entry)

4
cmd-parse.y
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@@ -1245,7 +1245,7 @@ yylex_token_variable(char **buf, size_t *len)
{ {
struct environ_entry *envent; struct environ_entry *envent;
int ch, brackets = 0; int ch, brackets = 0;
char name[BUFSIZ]; char name[1024];
size_t namelen = 0; size_t namelen = 0;
const char *value; const char *value;
@@ -1297,7 +1297,7 @@ yylex_token_tilde(char **buf, size_t *len)
{ {
struct environ_entry *envent; struct environ_entry *envent;
int ch; int ch;
char name[BUFSIZ]; char name[1024];
size_t namelen = 0; size_t namelen = 0;
struct passwd *pw; struct passwd *pw;
const char *home = NULL; const char *home = NULL;

2
cmd.c
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@@ -385,7 +385,7 @@ cmd_find(const char *name, char **cause)
{ {
const struct cmd_entry **loop, *entry, *found = NULL; const struct cmd_entry **loop, *entry, *found = NULL;
int ambiguous; int ambiguous;
char s[BUFSIZ]; char s[8192];
ambiguous = 0; ambiguous = 0;
for (loop = cmd_table; *loop != NULL; loop++) { for (loop = cmd_table; *loop != NULL; loop++) {

2
layout-custom.c
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@@ -60,7 +60,7 @@ layout_checksum(const char *layout)
char * char *
layout_dump(struct layout_cell *root) layout_dump(struct layout_cell *root)
{ {
char layout[BUFSIZ], *out; char layout[8192], *out;
*layout = '\0'; *layout = '\0';
if (layout_append(root, layout, sizeof layout) != 0) if (layout_append(root, layout, sizeof layout) != 0)

4
tty-term.c
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@@ -278,7 +278,7 @@ static char *
tty_term_strip(const char *s) tty_term_strip(const char *s)
{ {
const char *ptr; const char *ptr;
static char buf[BUFSIZ]; static char buf[8192];
size_t len; size_t len;
/* Ignore strings with no padding. */ /* Ignore strings with no padding. */
@@ -306,7 +306,7 @@ tty_term_strip(const char *s)
static char * static char *
tty_term_override_next(const char *s, size_t *offset) tty_term_override_next(const char *s, size_t *offset)
{ {
static char value[BUFSIZ]; static char value[8192];
size_t n = 0, at = *offset; size_t n = 0, at = *offset;
if (s[at] == '\0') if (s[at] == '\0')