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authorPeter Breitenlohner <peb@mppmu.mpg.de>2014-06-19 11:14:35 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2014-06-19 11:14:35 +0000
commite5b8a1a0369901d3d73384cf553619d9351679aa (patch)
treea0b0d02bb0421b6f6f1dce118d40dfe6e91147b6 /Build/source/texk/seetexk
parenta7803f3483864a647563ebda46f5fa39a92bb205 (diff)
texk/*/, utils/*/: Avoid undefined behaviour when char is signed
git-svn-id: svn://tug.org/texlive/trunk@34310 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/seetexk')
-rw-r--r--Build/source/texk/seetexk/ChangeLog4
-rw-r--r--Build/source/texk/seetexk/dvitodvi.c8
2 files changed, 8 insertions, 4 deletions
diff --git a/Build/source/texk/seetexk/ChangeLog b/Build/source/texk/seetexk/ChangeLog
index b0ba9981aaf..6fe58a4f598 100644
--- a/Build/source/texk/seetexk/ChangeLog
+++ b/Build/source/texk/seetexk/ChangeLog
@@ -1,3 +1,7 @@
+2014-06-19 Peter Breitenlohner <peb@mppmu.mpg.de>
+
+ * dvitodvi.c: Avboid undefined behaviour when char is signed.
+
2014-06-16 Peter Breitenlohner <peb@mppmu.mpg.de>
* Makefile.am: Drop the obsolete ACLOCAL_AMFLAGS.
diff --git a/Build/source/texk/seetexk/dvitodvi.c b/Build/source/texk/seetexk/dvitodvi.c
index ed76d6ae887..36bfaeac919 100644
--- a/Build/source/texk/seetexk/dvitodvi.c
+++ b/Build/source/texk/seetexk/dvitodvi.c
@@ -212,7 +212,7 @@ parseint(char **sp)
neg = 1;
s++;
}
- for (; isdigit(*s); s++)
+ for (; isdigit((unsigned char)*s); s++)
n = n*10 + (*s-'0');
if (*sp == s) specusage();
*sp = s;
@@ -231,12 +231,12 @@ parsedimen(char **sp)
neg = 1;
*sp = ++s;
}
- for (; isdigit(*s); s++)
+ for (; isdigit((unsigned char)*s); s++)
whole = whole*10 + (*s-'0');
if (*s == '.') {
*sp = ++s;
- for (; isdigit(*s); s++) {
+ for (; isdigit((unsigned char)*s); s++) {
if (den < 10000) { /* limit precision for scale to work */
num = num*10 + (*s-'0');
den *= 10;
@@ -311,7 +311,7 @@ ParseSpecs(char *str, int make)
else
head = tail = &spare;
while (*str) {
- if (isdigit(*str)) {
+ if (isdigit((unsigned char)*str)) {
num = parseint(&str);
} else {
switch (*str++) {