diff options
| -rw-r--r-- | src/util/pacsort.c | 11 |
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; } |