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-rw-r--r--src/numericsort.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/src/numericsort.c b/src/numericsort.c
index 438f63a82..288074da4 100644
--- a/src/numericsort.c
+++ b/src/numericsort.c
@@ -1,5 +1,5 @@
/*
- * "$Id: numericsort.c,v 1.9 1999/01/07 19:17:47 mike Exp $"
+ * "$Id: numericsort.c,v 1.10 1999/03/08 14:53:44 mike Exp $"
*
* Numeric sorting routine for the Fast Light Tool Kit (FLTK).
*
@@ -58,20 +58,20 @@ int numericsort(struct dirent **A, struct dirent **B) {
const char* b = (*B)->d_name;
int ret = 0;
for (;;) {
- if (isdigit(*a) && isdigit(*b)) {
+ if (isdigit((unsigned)*a) && isdigit((unsigned)*b)) {
int diff,magdiff;
while (*a == '0') a++;
while (*b == '0') b++;
- while (isdigit(*a) && *a == *b) {a++; b++;}
- diff = (isdigit(*a) && isdigit(*b)) ? *a - *b : 0;
+ while (isdigit((unsigned)*a) && *a == *b) {a++; b++;}
+ diff = (isdigit((unsigned)*a) && isdigit((unsigned)*b)) ? *a - *b : 0;
magdiff = 0;
- while (isdigit(*a)) {magdiff++; a++;}
- while (isdigit(*b)) {magdiff--; b++;}
+ while (isdigit((unsigned)*a)) {magdiff++; a++;}
+ while (isdigit((unsigned)*b)) {magdiff--; b++;}
if (magdiff) {ret = magdiff; break;} /* compare # of significant digits*/
if (diff) {ret = diff; break;} /* compare first non-zero digit */
} else {
#if 1
- if ((ret = tolower(*a)-tolower(*b))) break; /* compare case-insensitve */
+ if ((ret = tolower((unsigned)*a)-tolower((unsigned)*b))) break; /* compare case-insensitve */
#else
if ((ret = *a-*b)) break; /* compare case-sensitive */
#endif
@@ -84,5 +84,5 @@ int numericsort(struct dirent **A, struct dirent **B) {
}
/*
- * End of "$Id: numericsort.c,v 1.9 1999/01/07 19:17:47 mike Exp $".
+ * End of "$Id: numericsort.c,v 1.10 1999/03/08 14:53:44 mike Exp $".
*/