projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 46285cba EW |
1 | #ifndef lint |
| 2 | static char *sccsid = "@(#)error.c 1.1 83/07/28"; | |
| 3 | #endif | |
| 4 | ||
| 5 | #include "defs.h" | |
| 6 | ||
| 7 | struct ww *openwin(); | |
| 8 | ||
| 9 | extern int lineno; /* line number in source file */ | |
| 10 | ||
| 11 | static char *filename; /* source file name */ | |
| 12 | static struct ww *errwin; /* window for error reporting */ | |
| 13 | static int errlineno; /* lineno in errwin */ | |
| 14 | static char baderror; /* can't open the error window */ | |
| 15 | ||
| 16 | #define ERRLINES 10 /* number of lines in errwin */ | |
| 17 | ||
| 18 | /*VARARGS1*/ | |
| 19 | error(fmt, a, b, c, d, e, f, g, h) | |
| 20 | char *fmt; | |
| 21 | { | |
| 22 | if (filename == 0) { | |
| 23 | if (terse) | |
| 24 | Ding(); | |
| 25 | else { | |
| 26 | wwprintf(cmdwin, fmt, a, b, c, d, e, f, g, h); | |
| 27 | wwputs(" ", cmdwin); | |
| 28 | } | |
| 29 | return; | |
| 30 | } | |
| 31 | if (baderror) | |
| 32 | return; | |
| 33 | if (errwin == 0) { | |
| 34 | char buf[512]; | |
| 35 | ||
| 36 | (void) sprintf(buf, "Errors from %s", filename); | |
| 37 | if ((errwin = openwin(ERRLINES, buf)) == 0) { | |
| 38 | wwprintf(cmdwin, "Can't open error window. "); | |
| 39 | baderror++; | |
| 40 | return; | |
| 41 | } | |
| 42 | errlineno = 0; | |
| 43 | } | |
| 44 | if (errlineno++ > ERRLINES - 4) { | |
| 45 | waitnl(errwin); | |
| 46 | errlineno = 0; | |
| 47 | } | |
| 48 | if (lineno != 0) | |
| 49 | wwprintf(errwin, "line %d: ", lineno); | |
| 50 | wwprintf(errwin, fmt, a, b, c, d, e, f, g, h); | |
| 51 | wwprintf(errwin, "\r\n"); | |
| 52 | } | |
| 53 | ||
| 54 | beginerror(fn) | |
| 55 | char *fn; | |
| 56 | { | |
| 57 | filename = fn; | |
| 58 | } | |
| 59 | ||
| 60 | enderror() | |
| 61 | { | |
| 62 | if (errwin != 0) { | |
| 63 | waitnl(errwin); | |
| 64 | closewin(errwin); | |
| 65 | errwin = 0; | |
| 66 | } | |
| 67 | baderror = 0; | |
| 68 | filename = 0; | |
| 69 | } |