Fundu a écrit : > i'm trying to do pretty simple replacement using strtok. > but it looks like i have missed some subtle difference between the two following > > char src[] = "hello world #"; > char *other = "hello world #"; i don't know if it is a compiler feature (storage behavior into the DATA segment), or a linux kernel feature, or if it is specified in ANSI, but the second way leads to pointing to a _constant_ string. If someone can enlighten... > because if i use "char * other" with strtok it fails with bus error but i use src it works, don't understand what's the difference. > any insight would be appreciated, TIA! strtok manpage says it has to _write_ into the string pointed to by its first parameter. this is not allowed if the pointer points to a constant string. then, you have to point into a string that have been created at runtime. char* src; src = malloc (12); strncpy (src, "hello#world", 11); ... -- To unsubscribe from this list: send the line "unsubscribe linux-c-programming" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
