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Formerly commands.c.~16~

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This commit is contained in:
Roland McGrath 1993-02-05 22:34:51 +00:00
parent 720b21097c
commit b8a4e2bb0e
1 changed files with 28 additions and 13 deletions
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41
commands.c
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@ -181,7 +181,8 @@ set_file_variables (file)
#undef DEFINE_VARIABLE
}
/* Chop CMDS up into individual command lines if necessary. */
/* Chop CMDS up into individual command lines if necessary.
Also set the `lines_flag' and `any_recurse' members. */
void
chop_commands (cmds)
@ -190,7 +191,7 @@ chop_commands (cmds)
if (cmds != 0 && cmds->command_lines == 0)
{
/* Chop CMDS->commands up into lines in CMDS->command_lines.
Also set the corresponding CMDS->lines_recurse elements,
Also set the corresponding CMDS->lines_flags elements,
and the CMDS->any_recurse flag. */
register char *p;
unsigned int nlines, idx;
@ -243,22 +244,36 @@ chop_commands (cmds)
cmds->command_lines = lines;
cmds->any_recurse = 0;
cmds->lines_recurse = (char *) xmalloc (nlines);
cmds->lines_flags = (char *) xmalloc (nlines);
for (idx = 0; idx < nlines; ++idx)
{
int recursive;
p = lines[idx];
while (isblank (*p) || *p == '-' || *p == '@')
++p;
recursive = *p == '+';
if (!recursive)
int flags = 0;
for (p = lines[idx];
isblank (*p) || *p == '-' || *p == '@' || *p == '+';
++p)
switch (*p)
{
case '+':
flags |= COMMANDS_RECURSE;
break;
case '@':
flags |= COMMANDS_SILENT;
break;
case '-':
flags |= COMMANDS_NOERROR;
break;
}
if (!(flags & COMMANDS_RECURSE))
{
unsigned int len = strlen (p);
recursive = (sindex (p, len, "$(MAKE)", 7) != 0
|| sindex (p, len, "${MAKE}", 7) != 0);
if (sindex (p, len, "$(MAKE)", 7) != 0
|| sindex (p, len, "${MAKE}", 7) != 0)
flags |= COMMANDS_RECURSE;
}
cmds->lines_recurse[idx] = recursive;
cmds->any_recurse |= recursive;
cmds->lines_flags[idx] = flags;
cmds->any_recurse |= flags & COMMANDS_RECURSE;
}
}
}