59 	struct gstr gs;  in str_new()  local
60 	gs.s = malloc(sizeof(char) * 64);  in str_new()
61 	gs.len = 16;  in str_new()
62 	strcpy(gs.s, "\0");  in str_new()
63 	return gs;  in str_new()
69 	struct gstr gs;  in str_assign()  local
70 	gs.s = strdup(s);  in str_assign()
71 	gs.len = strlen(s) + 1;  in str_assign()
72 	return gs;  in str_assign()
76 void str_free(struct gstr *gs)  in str_free()  argument
78 	if (gs->s)  in str_free()
79 		free(gs->s);  in str_free()
80 	gs->s = NULL;  in str_free()
81 	gs->len = 0;  in str_free()
85 void str_append(struct gstr *gs, const char *s)  in str_append()  argument
87 	size_t l = strlen(gs->s) + strlen(s) + 1;  in str_append()
88 	if (l > gs->len) {  in str_append()
89 		gs->s   = realloc(gs->s, l);  in str_append()
90 		gs->len = l;  in str_append()
92 	strcat(gs->s, s);  in str_append()
96 void str_printf(struct gstr *gs, const char *fmt, ...)  in str_printf()  argument
102 	str_append(gs, s);  in str_printf()
107 const char *str_get(struct gstr *gs)  in str_get()  argument
109 	return gs->s;  in str_get()