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-rw-r--r--src/commonmark.c14
-rw-r--r--src/html.c14
-rw-r--r--src/latex.c6
-rw-r--r--src/man.c5
-rw-r--r--src/xml.c17
5 files changed, 33 insertions, 23 deletions
diff --git a/src/commonmark.c b/src/commonmark.c
index 751a5df..cb30601 100644
--- a/src/commonmark.c
+++ b/src/commonmark.c
@@ -23,9 +23,10 @@
static inline void outc(cmark_renderer *renderer, cmark_escaping escape,
int32_t c, unsigned char nextc) {
bool needs_escaping = false;
- char encoded[20];
bool follows_digit = renderer->buffer->size > 0 &&
cmark_isdigit(renderer->buffer->ptr[renderer->buffer->size - 1]);
+ const size_t ENCODED_SIZE = 20;
+ char encoded[ENCODED_SIZE];
needs_escaping =
escape != LITERAL &&
@@ -47,7 +48,7 @@ static inline void outc(cmark_renderer *renderer, cmark_escaping escape,
if (needs_escaping) {
if (isspace(c)) {
// use percent encoding for spaces
- sprintf(encoded, "%%%2x", c);
+ snprintf(encoded, ENCODED_SIZE, "%%%2x", c);
cmark_strbuf_puts(renderer->buffer, encoded);
renderer->column += 3;
} else {
@@ -166,7 +167,8 @@ static int S_render_node(cmark_renderer *renderer, cmark_node *node,
bool entering = (ev_type == CMARK_EVENT_ENTER);
const char *info, *code, *title;
size_t info_len, code_len;
- char listmarker[20];
+ const size_t LISTMARKER_SIZE = 20;
+ char listmarker[LISTMARKER_SIZE];
char *emph_delim;
bufsize_t marker_width;
@@ -223,9 +225,9 @@ static int S_render_node(cmark_renderer *renderer, cmark_node *node,
// we ensure a width of at least 4 so
// we get nice transition from single digits
// to double
- sprintf(listmarker, "%d%s%s", list_number,
- list_delim == CMARK_PAREN_DELIM ? ")" : ".",
- list_number < 10 ? " " : " ");
+ snprintf(listmarker, LISTMARKER_SIZE, "%d%s%s", list_number,
+ list_delim == CMARK_PAREN_DELIM ? ")" : ".",
+ list_number < 10 ? " " : " ");
marker_width = safe_strlen(listmarker);
}
if (entering) {
diff --git a/src/html.c b/src/html.c
index 54f27ba..27e0586 100644
--- a/src/html.c
+++ b/src/html.c
@@ -29,11 +29,12 @@ struct render_state {
static void S_render_sourcepos(cmark_node *node, cmark_strbuf *html,
int options) {
- char buffer[100];
+ const size_t BUFFER_SIZE = 100;
+ char buffer[BUFFER_SIZE];
if (CMARK_OPT_SOURCEPOS & options) {
- sprintf(buffer, " data-sourcepos=\"%d:%d-%d:%d\"",
- cmark_node_get_start_line(node), cmark_node_get_start_column(node),
- cmark_node_get_end_line(node), cmark_node_get_end_column(node));
+ snprintf(buffer, BUFFER_SIZE, " data-sourcepos=\"%d:%d-%d:%d\"",
+ cmark_node_get_start_line(node), cmark_node_get_start_column(node),
+ cmark_node_get_end_line(node), cmark_node_get_end_column(node));
cmark_strbuf_puts(html, buffer);
}
}
@@ -46,7 +47,8 @@ static int S_render_node(cmark_node *node, cmark_event_type ev_type,
char start_heading[] = "<h0";
char end_heading[] = "</h0";
bool tight;
- char buffer[100];
+ const size_t BUFFER_SIZE = 100;
+ char buffer[BUFFER_SIZE];
bool entering = (ev_type == CMARK_EVENT_ENTER);
@@ -104,7 +106,7 @@ static int S_render_node(cmark_node *node, cmark_event_type ev_type,
S_render_sourcepos(node, html, options);
cmark_strbuf_puts(html, ">\n");
} else {
- sprintf(buffer, "<ol start=\"%d\"", start);
+ snprintf(buffer, BUFFER_SIZE, "<ol start=\"%d\"", start);
cmark_strbuf_puts(html, buffer);
S_render_sourcepos(node, html, options);
cmark_strbuf_puts(html, ">\n");
diff --git a/src/latex.c b/src/latex.c
index 57d474c..879f813 100644
--- a/src/latex.c
+++ b/src/latex.c
@@ -217,7 +217,8 @@ static int S_get_enumlevel(cmark_node *node) {
static int S_render_node(cmark_renderer *renderer, cmark_node *node,
cmark_event_type ev_type, int options) {
int list_number;
- char list_number_string[20];
+ const size_t LIST_NUMBER_STRING_SIZE = 20;
+ char list_number_string[LIST_NUMBER_STRING_SIZE];
bool entering = (ev_type == CMARK_EVENT_ENTER);
cmark_list_type list_type;
const char *roman_numerals[] = {"", "i", "ii", "iii", "iv", "v",
@@ -249,7 +250,8 @@ static int S_render_node(cmark_renderer *renderer, cmark_node *node,
CR();
list_number = cmark_node_get_list_start(node);
if (list_number > 1) {
- sprintf(list_number_string, "%d", list_number);
+ snprintf(list_number_string, LIST_NUMBER_STRING_SIZE, "%d",
+ list_number);
LIT("\\setcounter{enum");
LIT((char *)roman_numerals[S_get_enumlevel(node)]);
LIT("}{");
diff --git a/src/man.c b/src/man.c
index 99a2803..2ce7540 100644
--- a/src/man.c
+++ b/src/man.c
@@ -110,8 +110,9 @@ static int S_render_node(cmark_renderer *renderer, cmark_node *node,
tmp = tmp->prev;
list_number += 1;
}
- char list_number_s[20];
- sprintf(list_number_s, "\"%d.\" 4", list_number);
+ const size_t LIST_NUMBER_SIZE = 20;
+ char list_number_s[LIST_NUMBER_SIZE];
+ snprintf(list_number_s, LIST_NUMBER_SIZE, "\"%d.\" 4", list_number);
LIT(list_number_s);
}
CR();
diff --git a/src/xml.c b/src/xml.c
index a06cdd3..b630810 100644
--- a/src/xml.c
+++ b/src/xml.c
@@ -34,7 +34,8 @@ static int S_render_node(cmark_node *node, cmark_event_type ev_type,
bool literal = false;
cmark_delim_type delim;
bool entering = (ev_type == CMARK_EVENT_ENTER);
- char buffer[100];
+ const size_t BUFFER_SIZE = 100;
+ char buffer[BUFFER_SIZE];
if (entering) {
indent(state);
@@ -42,8 +43,9 @@ static int S_render_node(cmark_node *node, cmark_event_type ev_type,
cmark_strbuf_puts(xml, cmark_node_get_type_string(node));
if (options & CMARK_OPT_SOURCEPOS && node->start_line != 0) {
- sprintf(buffer, " sourcepos=\"%d:%d-%d:%d\"", node->start_line,
- node->start_column, node->end_line, node->end_column);
+ snprintf(buffer, BUFFER_SIZE, " sourcepos=\"%d:%d-%d:%d\"",
+ node->start_line, node->start_column, node->end_line,
+ node->end_column);
cmark_strbuf_puts(xml, buffer);
}
@@ -67,7 +69,8 @@ static int S_render_node(cmark_node *node, cmark_event_type ev_type,
switch (cmark_node_get_list_type(node)) {
case CMARK_ORDERED_LIST:
cmark_strbuf_puts(xml, " type=\"ordered\"");
- sprintf(buffer, " start=\"%d\"", cmark_node_get_list_start(node));
+ snprintf(buffer, BUFFER_SIZE, " start=\"%d\"",
+ cmark_node_get_list_start(node));
cmark_strbuf_puts(xml, buffer);
delim = cmark_node_get_list_delim(node);
if (delim == CMARK_PAREN_DELIM) {
@@ -82,12 +85,12 @@ static int S_render_node(cmark_node *node, cmark_event_type ev_type,
default:
break;
}
- sprintf(buffer, " tight=\"%s\"",
- (cmark_node_get_list_tight(node) ? "true" : "false"));
+ snprintf(buffer, BUFFER_SIZE, " tight=\"%s\"",
+ (cmark_node_get_list_tight(node) ? "true" : "false"));
cmark_strbuf_puts(xml, buffer);
break;
case CMARK_NODE_HEADING:
- sprintf(buffer, " level=\"%d\"", node->as.heading.level);
+ snprintf(buffer, BUFFER_SIZE, " level=\"%d\"", node->as.heading.level);
cmark_strbuf_puts(xml, buffer);
break;
case CMARK_NODE_CODE_BLOCK:
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 19:32:56 +0000