gui
/
bzip2
mirror of git://sourceware.org/git/bzip2.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Make sure to call isdigit and isspace with unsigned char 

Casting to Int32 or int could create negative values. Which isspace
and isdigit don't handle. SEI CERT C Coding Standard STR37-C.

Resolve by casting to UChar or unsigned char instead of Int32 or int.

https://sourceware.org/bugzilla/show_bug.cgi?id=28283
This commit is contained in:
Mark Wielaard 2024-04-09 21:11:02 +02:00
parent 9de658d248
commit fbc4b11da5
2 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
bzip2.c
View File

@ -1767,8 +1767,8 @@ void addFlagsFromEnvVar ( Cell** argList, Char* varName )
if (p[i] == 0) break;
p += i;
i = 0;
while (isspace((Int32)(p[0]))) p++;
while (p[i] != 0 && !isspace((Int32)(p[i]))) i++;
while (isspace((UChar)(p[0]))) p++;
while (p[i] != 0 && !isspace((UChar)(p[i]))) i++;
if (i > 0) {
k = i; if (k > FILE_NAME_LEN-10) k = FILE_NAME_LEN-10;
for (j = 0; j < k; j++) tmpName[j] = p[j];

2
bzlib.c
View File

@ -1408,7 +1408,7 @@ BZFILE * bzopen_or_bzdopen
case 's':
smallMode = 1; break;
default:
if (isdigit((int)(*mode))) {
if (isdigit((unsigned char)(*mode))) {
blockSize100k = *mode-BZ_HDR_0;
}
}