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1.1 root 1: #ifndef lint
2: static char *sccsid = "@(#)glue4.c 4.1 (Berkeley) 5/6/83";
3: #endif
4:
5: #include <stdio.h>
6: #include <ctype.h>
7:
8: grepcall (in, out, arg)
9: char *in, *out, *arg;
10: {
11: char line[200], *s, argig[100], *cv[50];
12: char *inp, inb[500];
13: extern char gfile[];
14: FILE *qf, *gf;
15: int c, oldc = 0, alph = 0, nv = 0;
16: int sv0, sv1;
17: strcpy (argig, arg);
18: strcat(argig, ".ig");
19: strcpy (inp=inb, in);
20: if (gfile[0]==0)
21: sprintf(gfile, "/tmp/rj%dg", getpid());
22: # if D1
23: fprintf(stderr, "in grepcall, gfile %s in %o out %o\n", gfile,in,out);
24: # endif
25: for(cv[nv++] = "fgrep"; c = *inp; inp++)
26: {
27: if (c== ' ')
28: c = *inp = 0;
29: else if (isupper(c))
30: *inp = tolower(c);
31: alph = (c==0) ? 0 : alph+1;
32: if (alph == 1)
33: cv[nv++] = inp;
34: if (alph > 6)
35: *inp = 0;
36: oldc=c;
37: }
38: # if D1
39: fprintf(stderr, "%d args set up\n", nv);
40: # endif
41: {
42: sv0 = dup(0);
43: close(0);
44: if (open (argig, 0) != 0)
45: err("Can't read fgrep index %s", argig);
46: sv1 = dup(1);
47: close(1);
48: if (creat(gfile, 0666) != 1)
49: err("Can't write fgrep output %s", gfile);
50: fgrep(nv, cv);
51: # if D1
52: fprintf(stderr, "fgrep returned, output is..\n");
53: # endif
54: close (0);
55: dup(sv0);
56: close(sv0);
57: close (1);
58: dup(sv1);
59: close(sv1);
60: }
61:
62: # if D1
63: fprintf(stderr, "back from fgrep\n");
64: # endif
65: gf = fopen(gfile, "r");
66: if (gf==NULL)
67: err("can't read fgrep output %s", gfile);
68: while (fgets(line, 100, gf) == line)
69: {
70: line[100]=0;
71: # if D1
72: fprintf(stderr, "read line as //%s//\n",line);
73: # endif
74: for(s=line; *s && (*s != '\t'); s++);
75: if (*s == '\t')
76: {
77: *s++ = '\n';
78: *s++ = 0;
79: }
80: if (line[0])
81: strcat(out, line);
82: # if D1
83: fprintf(stderr, "out now /%s/\n",out);
84: # endif
85: while (*s) s++;
86: # if D1
87: fprintf(stderr, "line %o s %o s-1 %o\n",line,s,s[-1]);
88: # endif
89: if (s[-1]!= '\n')
90: while (!feof(gf) && getc(gf)!= '\n') ;
91: }
92: fclose(gf);
93: # if D1
94: fprintf(stderr, "back from reading %, out %s\n",out);
95: # else
96: unlink (gfile);
97: # endif
98: return(0);
99: }
100:
101: clfgrep()
102: {
103: if (gfile[0])
104: unlink(gfile);
105: }
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