| … | |
… | |
| 776 | */ |
776 | */ |
| 777 | |
777 | |
| 778 | #define PREFER_HIGH 1 |
778 | #define PREFER_HIGH 1 |
| 779 | #define PREFER_LOW 0 |
779 | #define PREFER_LOW 0 |
| 780 | |
780 | |
| 781 | /* Simple function we use below to keep adding to the same string |
|
|
| 782 | * but also make sure we don't overwrite that string. |
|
|
| 783 | */ |
|
|
| 784 | static inline void |
|
|
| 785 | safe_strcat (char *dest, const char *orig, int *curlen, int maxlen) |
|
|
| 786 | { |
|
|
| 787 | if (*curlen == (maxlen - 1)) |
|
|
| 788 | return; |
|
|
| 789 | |
|
|
| 790 | strncpy (dest + *curlen, orig, maxlen - *curlen - 1); |
|
|
| 791 | dest[maxlen - 1] = 0; |
|
|
| 792 | *curlen += strlen (orig); |
|
|
| 793 | |
|
|
| 794 | if (*curlen > (maxlen - 1)) |
|
|
| 795 | *curlen = maxlen - 1; |
|
|
| 796 | } |
|
|
| 797 | |
|
|
| 798 | |
|
|
| 799 | /* The SAFE versions of these call the safe_strcat function above. |
|
|
| 800 | * Ideally, all functions should use the SAFE functions, but they |
|
|
| 801 | * require some extra support in the calling function to remain as |
|
|
| 802 | * efficient. |
|
|
| 803 | */ |
|
|
| 804 | #define DESCRIBE_ABILITY_SAFE(retbuf, variable, name, len, maxlen) \ |
|
|
| 805 | if(variable) { \ |
|
|
| 806 | int i,j=0; \ |
|
|
| 807 | safe_strcat(retbuf,"(" name ": ", len, maxlen); \ |
|
|
| 808 | for(i=0; i<NROFATTACKS; i++) \ |
|
|
| 809 | if(variable & (1<<i)) { \ |
|
|
| 810 | if (j) \ |
|
|
| 811 | safe_strcat(retbuf,", ", len, maxlen); \ |
|
|
| 812 | else \ |
|
|
| 813 | j = 1; \ |
|
|
| 814 | safe_strcat(retbuf, attacks[i], len, maxlen); \ |
|
|
| 815 | } \ |
|
|
| 816 | safe_strcat(retbuf,")",len,maxlen); \ |
|
|
| 817 | } |
|
|
| 818 | |
|
|
| 819 | |
|
|
| 820 | /* separated this from the common/item.c file. b.t. Dec 1995 */ |
|
|
| 821 | |
|
|
| 822 | #define DESCRIBE_ABILITY(retbuf, variable, name) \ |
|
|
| 823 | if(variable) { \ |
|
|
| 824 | int i,j=0; \ |
|
|
| 825 | strcat(retbuf,"(" name ": "); \ |
|
|
| 826 | for(i=0; i<NROFATTACKS; i++) \ |
|
|
| 827 | if(variable & (1<<i)) { \ |
|
|
| 828 | if (j) \ |
|
|
| 829 | strcat(retbuf,", "); \ |
|
|
| 830 | else \ |
|
|
| 831 | j = 1; \ |
|
|
| 832 | strcat(retbuf, attacks[i]); \ |
|
|
| 833 | } \ |
|
|
| 834 | strcat(retbuf,")"); \ |
|
|
| 835 | } |
|
|
| 836 | |
|
|
| 837 | |
|
|
| 838 | #define DESCRIBE_PATH(retbuf, variable, name) \ |
|
|
| 839 | if(variable) { \ |
|
|
| 840 | int i,j=0; \ |
|
|
| 841 | strcat(retbuf,"(" name ": "); \ |
|
|
| 842 | for(i=0; i<NRSPELLPATHS; i++) \ |
|
|
| 843 | if(variable & (1<<i)) { \ |
|
|
| 844 | if (j) \ |
|
|
| 845 | strcat(retbuf,", "); \ |
|
|
| 846 | else \ |
|
|
| 847 | j = 1; \ |
|
|
| 848 | strcat(retbuf, spellpathnames[i]); \ |
|
|
| 849 | } \ |
|
|
| 850 | strcat(retbuf,")"); \ |
|
|
| 851 | } |
|
|
| 852 | |
|
|
| 853 | |
|
|
| 854 | #define DESCRIBE_PATH_SAFE(retbuf, variable, name, len, maxlen) \ |
|
|
| 855 | if(variable) { \ |
|
|
| 856 | int i,j=0; \ |
|
|
| 857 | safe_strcat(retbuf,"(" name ": ", len, maxlen); \ |
|
|
| 858 | for(i=0; i<NRSPELLPATHS; i++) \ |
|
|
| 859 | if(variable & (1<<i)) { \ |
|
|
| 860 | if (j) \ |
|
|
| 861 | safe_strcat(retbuf,", ", len, maxlen); \ |
|
|
| 862 | else \ |
|
|
| 863 | j = 1; \ |
|
|
| 864 | safe_strcat(retbuf, spellpathnames[i], len, maxlen); \ |
|
|
| 865 | } \ |
|
|
| 866 | safe_strcat(retbuf,")", len, maxlen); \ |
|
|
| 867 | } |
|
|
| 868 | |
|
|
| 869 | /* Flags for apply_special() */ |
781 | /* Flags for apply_special() */ |
| 870 | enum apply_flag |
782 | enum apply_flag |
| 871 | { |
783 | { |
| 872 | /* Basic flags/mode, always use one of these */ |
784 | /* Basic flags/mode, always use one of these */ |
| 873 | AP_TOGGLE = 0, |
785 | AP_TOGGLE = 0, |
