| 43 |
|
/* build our command */ |
| 44 |
|
for (cp = newcmd; ; cmd++) { |
| 45 |
|
switch (*cmd) { |
| 46 |
– |
case '"': |
| 46 |
|
case '\'': |
| 47 |
+ |
case '"': |
| 48 |
|
if (!quote) |
| 49 |
|
quote = *cmd; |
| 50 |
|
else if (quote == *cmd) |
| 51 |
|
quote = '\0'; |
| 52 |
+ |
#ifdef MSDOS |
| 53 |
+ |
else |
| 54 |
+ |
break; |
| 55 |
+ |
*cp++ = '"'; /* double quotes only */ |
| 56 |
+ |
continue; |
| 57 |
+ |
#else |
| 58 |
|
break; |
| 59 |
+ |
#endif |
| 60 |
+ |
#ifndef MSDOS |
| 61 |
|
case '(': |
| 62 |
|
if (!quote) |
| 63 |
|
paren++; |
| 74 |
|
} |
| 75 |
|
*cp++ = *cmd++; |
| 76 |
|
break; |
| 77 |
+ |
#endif |
| 78 |
+ |
case ' ': |
| 79 |
+ |
case '\t': |
| 80 |
+ |
if (!quote) |
| 81 |
+ |
while (isspace(cmd[1])) |
| 82 |
+ |
cmd++; |
| 83 |
+ |
break; |
| 84 |
|
case '|': |
| 85 |
|
case ';': |
| 86 |
|
if (!quote && !paren && cp2 == NULL) |
| 117 |
|
return(NULL); |
| 118 |
|
} |
| 119 |
|
if (fileno(fp) >= NFILE) { |
| 120 |
< |
fputs("popen: too many open files\n", stderr); |
| 121 |
< |
exit(1); |
| 120 |
> |
eputs("popen: too many open files\n"); |
| 121 |
> |
quit(1); |
| 122 |
|
} |
| 123 |
|
pips[fileno(fp)].f = fname; |
| 124 |
|
if (*mode == 'r') { |
