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[bug #4297] The strlen mh-format function can crash if 'str' is null.
[mmh]
/
sbr
/
fmt_scan.c
diff --git
a/sbr/fmt_scan.c
b/sbr/fmt_scan.c
index
0a2397b
..
4f79bf6
100644
(file)
--- a/
sbr/fmt_scan.c
+++ b/
sbr/fmt_scan.c
@@
-511,7
+511,10
@@
fmt_scan (struct format *format, char *scanl, int width, int *dat)
value = dat[fmt->f_value];
break;
case FT_LV_STRLEN:
- value = strlen(str);
+ if (str != NULL)
+ value = strlen(str);
+ else
+ value = 0;
break;
case FT_LV_CHAR_LEFT:
value = width - (cp - scanl);