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Warn when xy_strdup() called with NULL

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Aoran Zeng 2025-08-09 19:38:14 +08:00
parent ca6498b547
commit 4ff53269f0
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1 changed files with 6 additions and 0 deletions
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6
lib/xy.h
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@ -287,6 +287,12 @@ xy_strjoin (unsigned int count, ...)
static char * static char *
xy_strdup (const char *str) xy_strdup (const char *str)
{ {
if (!str)
{
fprintf (stderr, "xy.h: xy_strdup() called with NULL!");
return NULL;
}
size_t len = strlen (str); size_t len = strlen (str);
char *new = xy_malloc0 (len + 1); char *new = xy_malloc0 (len + 1);
strcpy (new, str); strcpy (new, str);