projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 3be3d0a4 KM |
1 | /* |
| 2 | * Copyright (c) 1980 Regents of the University of California. | |
| 3 | * All rights reserved. The Berkeley software License Agreement | |
| 4 | * specifies the terms and conditions for redistribution. | |
| 5 | */ | |
| 6 | ||
| 7 | #ifndef lint | |
| 95f51977 | 8 | static char sccsid[] = "@(#)setfmt.c 5.1 (Berkeley) 6/7/85"; |
| 3be3d0a4 KM |
9 | #endif not lint |
| 10 | ||
| 11 | #include "defs.h" | |
| 12 | #include "format.h" | |
| 13 | ||
| 14 | #define GLITCH '\2' | |
| 15 | ||
| 16 | extern char *fmtptr, *s_init; | |
| 17 | extern int fmt_strings; | |
| 18 | ||
| 19 | setfmt(lp) | |
| 20 | struct Labelblock *lp; | |
| 21 | { | |
| 22 | int fmt_len, frmt_str_lab; | |
| 23 | char *s, *lexline(); | |
| 24 | ||
| 25 | s = lexline(&fmt_len); | |
| 26 | preven(ALILONG); | |
| 27 | prlabel(asmfile, lp->labelno); | |
| 28 | if( pars_f(s) != 0) { | |
| 29 | err_fmt(fmt_len); | |
| 30 | } else { | |
| 31 | fprintf( asmfile, ".word %d\n", FMT_COMP ); /* precompiled format */ | |
| 32 | fprintf( asmfile, ".word %d\n", pc ); | |
| 33 | frmt_str_lab = newlabel(); /* to mark loc of format string */ | |
| 34 | prcona( asmfile, frmt_str_lab ); | |
| 35 | putshrts( syl, sizeof(struct syl)/SZSHORT*pc ); | |
| 36 | } | |
| 37 | if( fmt_strings ) pruse( asmfile, USEINIT) ; | |
| 38 | prlabel(asmfile, frmt_str_lab ); | |
| 39 | putstr(asmfile, s, fmt_len); | |
| 40 | if( fmt_strings ) pruse( asmfile, USECONST) ; | |
| 41 | flline(); | |
| 42 | } | |
| 43 | ||
| 44 | LOCAL | |
| 45 | putshrts( words, count ) | |
| 46 | short *words; | |
| 47 | { | |
| 48 | while ( count-- > 0 ) | |
| 49 | fprintf( asmfile, ".word %d\n", *words++ ); | |
| 50 | } | |
| 51 | ||
| 52 | static char *fmt_seg_ptr; | |
| 53 | ||
| 54 | LOCAL | |
| 55 | err_fmt(fmt_len) | |
| 56 | { | |
| 57 | int i; | |
| 58 | char *ep, *end_ptr = s_init+fmt_len; | |
| 59 | char fmt_seg[50]; | |
| 60 | ||
| 61 | fmt_seg_ptr = fmt_seg; | |
| 62 | i = fmtptr - s_init; | |
| 63 | ep = fmtptr - (i<25?i:25); | |
| 64 | i = i + 5; | |
| 65 | while(i && *ep && ep<end_ptr) | |
| 66 | { | |
| 67 | if(ep==fmtptr) save_char('|',fmt_seg); | |
| 68 | save_char(*ep); | |
| 69 | ep++; i--; | |
| 70 | } | |
| 71 | *fmt_seg_ptr++ = '\0'; | |
| 72 | errstr("Error in format: %s", fmt_seg); | |
| 73 | } | |
| 74 | ||
| 75 | LOCAL | |
| 76 | save_char(c) | |
| 77 | int c; | |
| 78 | { | |
| 79 | c &= 0177; | |
| 80 | if( c == GLITCH ) { | |
| 81 | c = '"'; | |
| 82 | } else if (c < ' ' || c == 0177) { | |
| 83 | *fmt_seg_ptr++ ='^'; | |
| 84 | c ^= 0100; | |
| 85 | } | |
| 86 | *fmt_seg_ptr++ = c; | |
| 87 | } |