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made null error bufs valid

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This commit is contained in:
IonutParau 2025-07-16 00:32:13 +02:00
parent 8e59ab6070
commit 712cc6752e
1 changed files with 10 additions and 0 deletions
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10
src/utils.c
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@ -238,11 +238,15 @@ int nn_mapColor(int color, int *palette, int paletteSize) {
} }
void nn_memset(void *buf, unsigned char byte, nn_size_t len) { void nn_memset(void *buf, unsigned char byte, nn_size_t len) {
if(buf == NULL) return;
unsigned char *bytes = buf; unsigned char *bytes = buf;
for(nn_size_t i = 0; i < len; i++) bytes[i] = byte; for(nn_size_t i = 0; i < len; i++) bytes[i] = byte;
} }
void nn_memcpy(void *dest, const void *src, nn_size_t len) { void nn_memcpy(void *dest, const void *src, nn_size_t len) {
if(dest == NULL) return;
if(src == NULL) return;
char *destBytes = dest; char *destBytes = dest;
const char *srcBytes = src; const char *srcBytes = src;
for(nn_size_t i = 0; i < len; i++) { for(nn_size_t i = 0; i < len; i++) {
@ -251,6 +255,7 @@ void nn_memcpy(void *dest, const void *src, nn_size_t len) {
} }
char *nn_strcpy(char *dest, const char *src) { char *nn_strcpy(char *dest, const char *src) {
if(dest == NULL) return dest;
nn_size_t i = 0; nn_size_t i = 0;
while(src[i]) { while(src[i]) {
dest[i] = src[i]; dest[i] = src[i];
@ -280,6 +285,7 @@ int nn_strcmp(const char *a, const char *b) {
} }
const char *nn_strchr(const char *str, int ch) { const char *nn_strchr(const char *str, int ch) {
if(str == NULL) return NULL;
nn_size_t i = 0; nn_size_t i = 0;
while(NN_TRUE) { while(NN_TRUE) {
if(str[i] == ch) return str + i; if(str[i] == ch) return str + i;
@ -289,16 +295,19 @@ const char *nn_strchr(const char *str, int ch) {
} }
nn_size_t nn_strlen(const char *a) { nn_size_t nn_strlen(const char *a) {
if(a == NULL) return 0;
nn_size_t l = 0; nn_size_t l = 0;
while(a[l]) l++; while(a[l]) l++;
return l; return l;
} }
nn_bool_t nn_error_isEmpty(nn_errorbuf_t buf) { nn_bool_t nn_error_isEmpty(nn_errorbuf_t buf) {
if(buf == NULL) return true;
return buf[0] == 0; return buf[0] == 0;
} }
void nn_error_write(nn_errorbuf_t buf, const char *s) { void nn_error_write(nn_errorbuf_t buf, const char *s) {
if(buf == NULL) return;
for(nn_size_t i = 0; i < NN_MAX_ERROR_BUFFER; i++) { for(nn_size_t i = 0; i < NN_MAX_ERROR_BUFFER; i++) {
buf[i] = s[i]; buf[i] = s[i];
if(s[i] == 0) break; if(s[i] == 0) break;
@ -308,6 +317,7 @@ void nn_error_write(nn_errorbuf_t buf, const char *s) {
} }
void nn_error_clear(nn_errorbuf_t buf) { void nn_error_clear(nn_errorbuf_t buf) {
if(buf == NULL) return;
buf[0] = 0; buf[0] = 0;
} }