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When using wordexp, only try to use the expand command

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when something actually got expanded.  Skip it otherwise.
 -Erik
This commit is contained in:
Eric Andersen 2001-03-10 07:12:12 +00:00
parent 78f57460f2
commit 1365bb7861
3 changed files with 42 additions and 36 deletions
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26
lash.c
View File

@ -941,20 +941,22 @@ static int expand_arguments(char *command)
return FALSE;
}
/* Convert from char** (one word per string) to a simple char*,
* but don't overflow command which is BUFSIZ in length */
*command = '\0';
while (i < expand_result.we_wordc && total_length < BUFSIZ) {
length=strlen(expand_result.we_wordv[i])+1;
if (BUFSIZ-total_length-length <= 0) {
error_msg(out_of_space);
return FALSE;
if (expand_result.we_wordc > 0) {
/* Convert from char** (one word per string) to a simple char*,
* but don't overflow command which is BUFSIZ in length */
*command = '\0';
while (i < expand_result.we_wordc && total_length < BUFSIZ) {
length=strlen(expand_result.we_wordv[i])+1;
if (BUFSIZ-total_length-length <= 0) {
error_msg(out_of_space);
return FALSE;
}
strcat(command+total_length, expand_result.we_wordv[i++]);
strcat(command+total_length, " ");
total_length+=length;
}
strcat(command+total_length, expand_result.we_wordv[i++]);
strcat(command+total_length, " ");
total_length+=length;
wordfree (&expand_result);
}
wordfree (&expand_result);
#else
/* Ok. They don't have a recent glibc and they don't have uClibc. Chances

26
sh.c
View File

@ -941,20 +941,22 @@ static int expand_arguments(char *command)
return FALSE;
}
/* Convert from char** (one word per string) to a simple char*,
* but don't overflow command which is BUFSIZ in length */
*command = '\0';
while (i < expand_result.we_wordc && total_length < BUFSIZ) {
length=strlen(expand_result.we_wordv[i])+1;
if (BUFSIZ-total_length-length <= 0) {
error_msg(out_of_space);
return FALSE;
if (expand_result.we_wordc > 0) {
/* Convert from char** (one word per string) to a simple char*,
* but don't overflow command which is BUFSIZ in length */
*command = '\0';
while (i < expand_result.we_wordc && total_length < BUFSIZ) {
length=strlen(expand_result.we_wordv[i])+1;
if (BUFSIZ-total_length-length <= 0) {
error_msg(out_of_space);
return FALSE;
}
strcat(command+total_length, expand_result.we_wordv[i++]);
strcat(command+total_length, " ");
total_length+=length;
}
strcat(command+total_length, expand_result.we_wordv[i++]);
strcat(command+total_length, " ");
total_length+=length;
wordfree (&expand_result);
}
wordfree (&expand_result);
#else
/* Ok. They don't have a recent glibc and they don't have uClibc. Chances

26
shell/lash.c
View File

@ -941,20 +941,22 @@ static int expand_arguments(char *command)
return FALSE;
}
/* Convert from char** (one word per string) to a simple char*,
* but don't overflow command which is BUFSIZ in length */
*command = '\0';
while (i < expand_result.we_wordc && total_length < BUFSIZ) {
length=strlen(expand_result.we_wordv[i])+1;
if (BUFSIZ-total_length-length <= 0) {
error_msg(out_of_space);
return FALSE;
if (expand_result.we_wordc > 0) {
/* Convert from char** (one word per string) to a simple char*,
* but don't overflow command which is BUFSIZ in length */
*command = '\0';
while (i < expand_result.we_wordc && total_length < BUFSIZ) {
length=strlen(expand_result.we_wordv[i])+1;
if (BUFSIZ-total_length-length <= 0) {
error_msg(out_of_space);
return FALSE;
}
strcat(command+total_length, expand_result.we_wordv[i++]);
strcat(command+total_length, " ");
total_length+=length;
}
strcat(command+total_length, expand_result.we_wordv[i++]);
strcat(command+total_length, " ");
total_length+=length;
wordfree (&expand_result);
}
wordfree (&expand_result);
#else
/* Ok. They don't have a recent glibc and they don't have uClibc. Chances