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Diffstat (limited to 'Src/params.c')
-rw-r--r--Src/params.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/Src/params.c b/Src/params.c
index 1d537d03d..215e5a6f3 100644
--- a/Src/params.c
+++ b/Src/params.c
@@ -1113,6 +1113,8 @@ getarg(char **str, int *inv, Value v, int a2, zlong *w)
if (beg < 0)
beg += len;
if (beg >= 0 && beg < len) {
+ char *de = d + len;
+
if (a2) {
if (down) {
if (!hasbeg)
@@ -1128,7 +1130,7 @@ getarg(char **str, int *inv, Value v, int a2, zlong *w)
*t = sav;
}
} else
- for (r = beg, t = d + beg; *t; r++, t++) {
+ for (r = beg, t = d + beg; t <= de; r++, t++) {
sav = *t;
*t = '\0';
if (pattry(pprog, d) &&
@@ -1148,7 +1150,7 @@ getarg(char **str, int *inv, Value v, int a2, zlong *w)
return r;
}
} else
- for (r = beg + 1, t = d + beg; *t; r++, t++)
+ for (r = beg + 1, t = d + beg; t <= de; r++, t++)
if (pattry(pprog, t) &&
!--num)
return r;