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1.1 root 1: /*
2: * mkheaders.c 1.6 81/04/08
3: * Make all the .h files for the optional entries
4: */
5:
6: #include <stdio.h>
7: #include <ctype.h>
8: #include "config.h"
9:
10: /*
11: * This macro reads a line of the form
12: * #define STRING <number>
13: * and assigns STRING to wd and <number> to count
14: */
15: #define rdln(f, wd, count) {\
16: register char *iwd;\
17: if ((wd = get_word(f)) != NULL && wd != WEOF)\
18: if ((wd = get_word(f)) != NULL && wd != WEOF) {\
19: iwd = ns(wd);\
20: if ((wd = get_word(f)) != NULL && wd != WEOF) {\
21: count = atoi(wd);\
22: wd = get_word(f);\
23: wd = iwd;\
24: }\
25: }\
26: }
27:
28: headers()
29: {
30: register struct file_list *fl;
31:
32: for (fl = ftab; fl != NULL; fl = fl->f_next)
33: if (fl->f_needs != NULL)
34: do_count(fl->f_needs, fl->f_needs, TRUE);
35: }
36:
37: /*
38: * do_count:
39: * Count all the devices of a certain type and recurse to count
40: * whatever the device is connected to
41: */
42:
43: do_count(dev, hname, search)
44: register char *dev, *hname;
45: bool search;
46: {
47: register struct device *dp, *mp;
48: register int count;
49:
50: for (count = 0,dp = dtab; dp != NULL; dp = dp->d_next)
51: if (dp->d_unit != -1 && eq(dp->d_name, dev))
52: {
53: if (dp->d_count)
54: count += dp->d_count;
55: else
56: count++;
57: if (search)
58: {
59: mp = dp->d_conn;
60: if (mp != NULL && mp != TO_NEXUS && mp->d_conn != TO_NEXUS)
61: {
62: do_count(mp->d_name, hname, FALSE);
63: search = FALSE;
64: }
65: }
66: }
67: do_header(dev, hname, count);
68: }
69:
70: do_header(dev, hname, count)
71: char *dev, *hname;
72: int count;
73: {
74: char *file, *name, *inw, *toheader(), *tomacro();
75: struct file_list *fl, *fl_head;
76: FILE *inf, *outf;
77: int inc, oldcount;
78:
79: file = toheader(hname);
80: name = tomacro(dev);
81: inf = fopen(file, "r");
82: oldcount = -1;
83: if (inf == NULL)
84: {
85: outf = fopen(file, "w");
86: if (outf == NULL) {
87: perror(file);
88: exit(1);
89: }
90: fprintf(outf, "#define %s %d\n", name, count);
91: fclose(outf);
92: return;
93: }
94: fl_head = NULL;
95: while(1)
96: {
97: rdln(inf, inw, inc);
98: if (inw == WEOF)
99: break;
100: if (eq(inw, name))
101: {
102: oldcount = inc;
103: inc = count;
104: }
105: fl = (struct file_list *) malloc(sizeof *fl);
106: fl->f_fn = inw;
107: fl->f_type = inc;
108: fl->f_next = fl_head;
109: fl_head = fl;
110: }
111: fclose(inf);
112: if (count == oldcount)
113: {
114: for (fl = fl_head; fl != NULL; fl = fl->f_next)
115: free(fl);
116: return;
117: }
118: if (oldcount == -1)
119: {
120: fl = (struct file_list *) malloc(sizeof *fl);
121: fl->f_fn = name;
122: fl->f_type = count;
123: fl->f_next = fl_head;
124: fl_head = fl;
125: }
126: outf = fopen(file, "w");
127: if (outf == NULL) {
128: perror(file);
129: exit(1);
130: }
131: for (fl = fl_head; fl != NULL; fl = fl->f_next)
132: {
133: fprintf(outf, "#define %s %d\n", fl->f_fn, count ? fl->f_type : 0);
134: free(fl);
135: }
136: fclose(outf);
137: }
138:
139: /*
140: * toheader:
141: * Convert a dev name to a .h file nae
142: */
143:
144: char *toheader(dev)
145: char *dev;
146: {
147: static char hbuf[80];
148:
149: strcpy(hbuf, LOCAL(dev));
150: strcat(hbuf, ".h");
151: return hbuf;
152: }
153:
154: /*
155: * tomacro:
156: * Convert a dev name to a macro name
157: */
158:
159: char *tomacro(dev)
160: register char *dev;
161: {
162: static char mbuf[20];
163: register char *cp;
164:
165: cp = mbuf;
166: *cp++ = 'N';
167: while(*dev)
168: *cp++ = toupper(*dev++);
169: *cp++ = '\0';
170: return mbuf;
171: }
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