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-rw-r--r--src/util/pacsort.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/src/util/pacsort.c b/src/util/pacsort.c
index f4992d49..c69ae2f0 100644
--- a/src/util/pacsort.c
+++ b/src/util/pacsort.c
@@ -28,6 +28,7 @@
#include "util-common.h"
#define DELIM ' '
+#define INVALD_ESCAPE_CHAR ((char)-1)
#ifndef MIN
#define MIN(a, b) \
@@ -385,13 +386,13 @@ static int vercmp(const void *p1, const void *p2)
static char escape_char(const char *string)
{
if(!string) {
- return -1;
+ return INVALD_ESCAPE_CHAR;
}
const size_t len = strlen(string);
if(len > 2) {
- return -1;
+ return INVALD_ESCAPE_CHAR;
}
if(len == 1) {
@@ -399,7 +400,7 @@ static char escape_char(const char *string)
}
if(*string != '\\') {
- return -1;
+ return INVALD_ESCAPE_CHAR;
}
switch(string[1]) {
@@ -412,7 +413,7 @@ static char escape_char(const char *string)
case '0':
return '\0';
default:
- return -1;
+ return INVALD_ESCAPE_CHAR;
}
}
@@ -463,7 +464,7 @@ static int parse_options(int argc, char **argv)
break;
case 't':
opts.delim = escape_char(optarg);
- if(opts.delim == -1) {
+ if(opts.delim == INVALD_ESCAPE_CHAR) {
fprintf(stderr, "error: invalid field separator -- `%s'\n", optarg);
return 1;
}