diff options
Diffstat (limited to 'job.c')
| -rw-r--r-- | job.c | 35 |
1 files changed, 21 insertions, 14 deletions
@@ -1,5 +1,5 @@ /* Job execution and handling for GNU Make. -Copyright (C) 1988, 89, 90, 91, 92, 93, 94 Free Software Foundation, Inc. +Copyright (C) 1988, 89, 90, 91, 92, 93, 94, 1995 Free Software Foundation, Inc. This file is part of GNU Make. GNU Make is free software; you can redistribute it and/or modify @@ -1250,11 +1250,12 @@ exec_command (argv, envp) _exit (127); } -/* Figure out the argument list necessary to run LINE as a command. - Try to avoid using a shell. This routine handles only ' quoting. - Starting quotes may be escaped with a backslash. If any of the - characters in sh_chars[] is seen, or any of the builtin commands - listed in sh_cmds[] is the first word of a line, the shell is used. +/* Figure out the argument list necessary to run LINE as a command. Try to + avoid using a shell. This routine handles only ' quoting, and " quoting + when no backslash, $ or ` characters are seen in the quotes. Starting + quotes may be escaped with a backslash. If any of the characters in + sh_chars[] is seen, or any of the builtin commands listed in sh_cmds[] + is the first word of a line, the shell is used. If RESTP is not NULL, *RESTP is set to point to the first newline in LINE. If *RESTP is NULL, newlines will be ignored. @@ -1332,7 +1333,7 @@ construct_command_argv_internal (line, restp, shell, ifs) string_char: /* Inside a string, just copy any char except a closing quote or a backslash-newline combination. */ - if (*p == '\'') + if (*p == instring) instring = 0; else if (*p == '\\' && p[1] == '\n') goto swallow_escaped_newline; @@ -1342,6 +1343,10 @@ construct_command_argv_internal (line, restp, shell, ifs) *restp = p; goto end_of_line; } + /* Backslash, $, and ` are special inside double quotes. + If we see any of those, punt. */ + else if (instring == '"' && index ("\\$`", *p) != 0) + goto slow; else *ap++ = *p; } @@ -1399,7 +1404,8 @@ construct_command_argv_internal (line, restp, shell, ifs) break; case '\'': - instring = 1; + case '"': + instring = *p; break; case '\n': @@ -1564,7 +1570,7 @@ construct_command_argv_internal (line, restp, shell, ifs) continue; } - if (*p == '\\' || *p == '\'' + if (*p == '\\' || *p == '\'' || *p == '"' || isspace (*p) || index (sh_chars, *p) != 0) *ap++ = '\\'; @@ -1580,11 +1586,12 @@ construct_command_argv_internal (line, restp, shell, ifs) return new_argv; } -/* Figure out the argument list necessary to run LINE as a command. - Try to avoid using a shell. This routine handles only ' quoting. - Starting quotes may be escaped with a backslash. If any of the - characters in sh_chars[] is seen, or any of the builtin commands - listed in sh_cmds[] is the first word of a line, the shell is used. +/* Figure out the argument list necessary to run LINE as a command. Try to + avoid using a shell. This routine handles only ' quoting, and " quoting + when no backslash, $ or ` characters are seen in the quotes. Starting + quotes may be escaped with a backslash. If any of the characters in + sh_chars[] is seen, or any of the builtin commands listed in sh_cmds[] + is the first word of a line, the shell is used. If RESTP is not NULL, *RESTP is set to point to the first newline in LINE. If *RESTP is NULL, newlines will be ignored. |