readprofile: add scanf field width limits [cppcheck]

[sys-utils/readprofile.c:301]: (warning) scanf without field width limits can crash with huge input data.
[sys-utils/readprofile.c:322]: (warning) scanf without field width limits can crash with huge input data.

diff --git a/sys-utils/readprofile.c b/sys-utils/readprofile.c
index 3ba866e24ed697c30a95f4794d440fc748204d76..39a24deda353d6984d7a09cb333a2384a80e5d4d 100644 (file)
--- a/sys-utils/readprofile.c
+++ b/sys-utils/readprofile.c
@@ -298,7 +298,7 @@ int main(int argc, char **argv)
                err(EXIT_FAILURE, "%s", mapFile);
 
        while (fgets(mapline, S_LEN, map)) {
-               if (sscanf(mapline, "%llx %s %s", &fn_add, mode, fn_name) != 3)
+               if (sscanf(mapline, "%llx %7[^\n ] %127[^\n ]", &fn_add, mode, fn_name) != 3)
                        errx(EXIT_FAILURE, _("%s(%i): wrong map line"), mapFile,
                             maplineno);
                /* only elf works like this */
@@ -319,7 +319,7 @@ int main(int argc, char **argv)
                unsigned int this = 0;
                int done = 0;
 
-               if (sscanf(mapline, "%llx %s %s", &next_add, mode, next_name) != 3)
+               if (sscanf(mapline, "%llx %7[^\n ] %127[^\n ]", &next_add, mode, next_name) != 3)
                        errx(EXIT_FAILURE, _("%s(%i): wrong map line"), mapFile,
                             maplineno);
                header_printed = 0;