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fix compiler warnings

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This commit is contained in:
John Alanbrook
2026-02-20 12:44:18 -06:00
parent 54e5be0773
commit c0aff9e9bf
13 changed files with 33 additions and 24 deletions
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12
source/cJSON.c
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@@ -124,7 +124,7 @@ CJSON_PUBLIC(double) cJSON_GetNumberValue(const cJSON * const item)
CJSON_PUBLIC(const char*) cJSON_Version(void)
{
static char version[15];
sprintf(version, "%i.%i.%i", CJSON_VERSION_MAJOR, CJSON_VERSION_MINOR, CJSON_VERSION_PATCH);
snprintf(version, sizeof(version), "%i.%i.%i", CJSON_VERSION_MAJOR, CJSON_VERSION_MINOR, CJSON_VERSION_PATCH);
return version;
}
@@ -606,22 +606,22 @@ static cJSON_bool print_number(const cJSON * const item, printbuffer * const out
/* This checks for NaN and Infinity */
if (isnan(d) || isinf(d))
{
length = sprintf((char*)number_buffer, "null");
length = snprintf((char*)number_buffer, sizeof(number_buffer), "null");
}
else if(d == (double)item->valueint)
{
length = sprintf((char*)number_buffer, "%d", item->valueint);
length = snprintf((char*)number_buffer, sizeof(number_buffer), "%d", item->valueint);
}
else
{
/* Try 15 decimal places of precision to avoid nonsignificant nonzero digits */
length = sprintf((char*)number_buffer, "%1.15g", d);
length = snprintf((char*)number_buffer, sizeof(number_buffer), "%1.15g", d);
/* Check whether the original double can be recovered */
if ((sscanf((char*)number_buffer, "%lg", &test) != 1) || !compare_double((double)test, d))
{
/* If not, print with 17 decimal places of precision */
length = sprintf((char*)number_buffer, "%1.17g", d);
length = snprintf((char*)number_buffer, sizeof(number_buffer), "%1.17g", d);
}
}
@@ -1055,7 +1055,7 @@ static cJSON_bool print_string_ptr(const unsigned char * const input, printbuffe
break;
default:
/* escape and print as unicode codepoint */
sprintf((char*)output_pointer, "u%04x", *input_pointer);
snprintf((char*)output_pointer, 6, "u%04x", *input_pointer);
output_pointer += 4;
break;
}