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1.1 root 1: #ifndef lint
2: static char *sccsid = "@(#)glue4.c 4.2 (Berkeley) 4/24/88";
3: #endif
4:
5: #include <stdio.h>
6: #include <ctype.h>
7:
8: extern char gfile[];
9:
10: grepcall (in, out, arg)
11: char *in, *out, *arg;
12: {
13: char line[200], *s, argig[100], *cv[50];
14: char *inp, inb[500];
15: FILE *qf, *gf;
16: int c, oldc = 0, alph = 0, nv = 0;
17: int sv0, sv1;
18: strcpy (argig, arg);
19: strcat(argig, ".ig");
20: strcpy (inp=inb, in);
21: if (gfile[0]==0)
22: sprintf(gfile, "/tmp/rj%dg", getpid());
23: # if D1
24: fprintf(stderr, "in grepcall, gfile %s in %o out %o\n", gfile,in,out);
25: # endif
26: for(cv[nv++] = "fgrep"; c = *inp; inp++)
27: {
28: if (c== ' ')
29: c = *inp = 0;
30: else if (isupper(c))
31: *inp = tolower(c);
32: alph = (c==0) ? 0 : alph+1;
33: if (alph == 1)
34: cv[nv++] = inp;
35: if (alph > 6)
36: *inp = 0;
37: oldc=c;
38: }
39: # if D1
40: fprintf(stderr, "%d args set up\n", nv);
41: # endif
42: {
43: sv0 = dup(0);
44: close(0);
45: if (open (argig, 0) != 0)
46: err("Can't read fgrep index %s", argig);
47: sv1 = dup(1);
48: close(1);
49: if (creat(gfile, 0666) != 1)
50: err("Can't write fgrep output %s", gfile);
51: fgrep(nv, cv);
52: # if D1
53: fprintf(stderr, "fgrep returned, output is..\n");
54: # endif
55: close (0);
56: dup(sv0);
57: close(sv0);
58: close (1);
59: dup(sv1);
60: close(sv1);
61: }
62:
63: # if D1
64: fprintf(stderr, "back from fgrep\n");
65: # endif
66: gf = fopen(gfile, "r");
67: if (gf==NULL)
68: err("can't read fgrep output %s", gfile);
69: while (fgets(line, 100, gf) == line)
70: {
71: line[100]=0;
72: # if D1
73: fprintf(stderr, "read line as //%s//\n",line);
74: # endif
75: for(s=line; *s && (*s != '\t'); s++);
76: if (*s == '\t')
77: {
78: *s++ = '\n';
79: *s++ = 0;
80: }
81: if (line[0])
82: strcat(out, line);
83: # if D1
84: fprintf(stderr, "out now /%s/\n",out);
85: # endif
86: while (*s) s++;
87: # if D1
88: fprintf(stderr, "line %o s %o s-1 %o\n",line,s,s[-1]);
89: # endif
90: if (s[-1]!= '\n')
91: while (!feof(gf) && getc(gf)!= '\n') ;
92: }
93: fclose(gf);
94: # if D1
95: fprintf(stderr, "back from reading %, out %s\n",out);
96: # else
97: unlink (gfile);
98: # endif
99: return(0);
100: }
101:
102: clfgrep()
103: {
104: if (gfile[0])
105: unlink(gfile);
106: }
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