X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/2db66b01daff84d5a43aadda72fbb37b0b6f240c..f3ffd5a24f6e4488505ff1c98bc6512dff5a69ed:/client/util.c

diff --git a/client/util.c b/client/util.c
index b7f07bde..7e6b4074 100644
--- a/client/util.c
+++ b/client/util.c
@@ -496,7 +496,7 @@ int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt)
 		return 1;
 
 	for(i = 0; i < hexcnt; i += 2) {
-		if (!(isxdigit(line[bg + i]) && isxdigit(line[bg + i + 1])) )	return 1;
+		if (!(isxdigit((unsigned char)line[bg + i]) && isxdigit((unsigned char)line[bg + i + 1])) )	return 1;
 		
 		sscanf((char[]){line[bg + i], line[bg + i + 1], 0}, "%X", &temp);
 		data[i / 2] = temp & 0xff;
@@ -518,7 +518,7 @@ int param_gethex_ex(const char *line, int paramnum, uint8_t * data, int *hexcnt)
 		return 1;
 
 	for(i = 0; i < *hexcnt; i += 2) {
-		if (!(isxdigit(line[bg + i]) && isxdigit(line[bg + i + 1])) )	return 1;
+		if (!(isxdigit((unsigned char)line[bg + i]) && isxdigit((unsigned char)line[bg + i + 1])) )	return 1;
 		
 		sscanf((char[]){line[bg + i], line[bg + i + 1], 0}, "%X", &temp);
 		data[i / 2] = temp & 0xff;
@@ -543,7 +543,7 @@ int param_gethex_to_eol(const char *line, int paramnum, uint8_t * data, int maxd
 			continue;
 		}
 		
-		if (isxdigit(line[indx])) {
+		if (isxdigit((unsigned char)line[indx])) {
 			buf[strlen(buf) + 1] = 0x00;
 			buf[strlen(buf)] = line[indx];
 		} else {
@@ -620,7 +620,7 @@ int hextobinarray(char *target, char *source)
         else if (x >= 'A' && x <= 'F')
             x -= 'A' - 10;
         else {
-        	printf("Discovered unknown character %c %d at idx %d of %s\n", x, x, source - start, start);
+        	printf("Discovered unknown character %c %d at idx %tu of %s\n", x, x, source - start, start);
             return 0;
         }
         // output