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-rw-r--r--sys/kern/imgact_shell.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/kern/imgact_shell.c b/sys/kern/imgact_shell.c
index 43cf2f7..2f8b133 100644
--- a/sys/kern/imgact_shell.c
+++ b/sys/kern/imgact_shell.c
@@ -161,7 +161,7 @@ exec_shell_imgact(imgp)
while (ihp < maxp && ((*ihp != '\n') && (*ihp != '\0')))
ihp++;
opte = ihp;
- while (--ihp > interpe && ((*ihp == ' ') || (*ihp == '\t')))
+ while (--ihp > optb && ((*ihp == ' ') || (*ihp == '\t')))
opte = ihp;
/*
@@ -173,7 +173,7 @@ exec_shell_imgact(imgp)
* area, and 'length' as the number of bytes being removed.
*/
offset = interpe - interpb + 1; /* interpreter */
- if (opte != optb) /* options (if any) */
+ if (opte > optb) /* options (if any) */
offset += opte - optb + 1;
offset += strlen(imgp->args->fname) + 1; /* fname of script */
length = (imgp->args->argc == 0) ? 0 :
@@ -208,7 +208,7 @@ exec_shell_imgact(imgp)
bcopy(interpb, imgp->args->buf, length);
*(imgp->args->buf + length) = '\0';
offset = length + 1;
- if (opte != optb) {
+ if (opte > optb) {
length = opte - optb;
bcopy(optb, imgp->args->buf + offset, length);
*(imgp->args->buf + offset + length) = '\0';
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