| 1 | /* Copyright Massachusetts Institute of Technology 1985 */ |
| 2 | |
| 3 | #include "copyright.h" |
| 4 | |
| 5 | |
| 6 | /* |
| 7 | * XMenu: MIT Project Athena, X Window system menu package |
| 8 | * |
| 9 | * XMenuFindPane - Find the first menu pane who's label matches a |
| 10 | * particular string. |
| 11 | * |
| 12 | * Author: Tony Della Fera, DEC |
| 13 | * January 22, 1986 |
| 14 | * |
| 15 | */ |
| 16 | |
| 17 | #include "XMenuInt.h" |
| 18 | #include <string.h> |
| 19 | |
| 20 | int |
| 21 | XMenuFindPane(register XMenu *menu, register char *label) |
| 22 | { |
| 23 | register XMPane *p_ptr; |
| 24 | register int i = 0; |
| 25 | |
| 26 | /* |
| 27 | * Check for NULL pointers! |
| 28 | */ |
| 29 | if (label == NULL) { |
| 30 | _XMErrorCode = XME_ARG_BOUNDS; |
| 31 | return(XM_FAILURE); |
| 32 | } |
| 33 | |
| 34 | /* |
| 35 | * Find the pane who's label matches the given label. |
| 36 | */ |
| 37 | for ( |
| 38 | p_ptr = menu->p_list->next; |
| 39 | p_ptr != menu->p_list; |
| 40 | p_ptr = p_ptr->next |
| 41 | ){ |
| 42 | if (p_ptr->label_length == 0) { |
| 43 | if (*label == '\0') { |
| 44 | _XMErrorCode = XME_NO_ERROR; |
| 45 | return (i); |
| 46 | } |
| 47 | } |
| 48 | else { |
| 49 | if (strncmp (label, p_ptr->label, p_ptr->label_length) == 0) { |
| 50 | _XMErrorCode = XME_NO_ERROR; |
| 51 | return (i); |
| 52 | } |
| 53 | } |
| 54 | i++; |
| 55 | } |
| 56 | |
| 57 | /* |
| 58 | * If we get here then we have not found |
| 59 | * a match. |
| 60 | */ |
| 61 | _XMErrorCode = XME_P_NOT_FOUND; |
| 62 | return (XM_FAILURE); |
| 63 | } |