diff options
Diffstat (limited to 'src/head.c')
| -rw-r--r-- | src/head.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/head.c b/src/head.c index cb418b449..710262ec9 100644 --- a/src/head.c +++ b/src/head.c @@ -32,6 +32,7 @@ #include "system.h" #include "assure.h" +#include "c-ctype.h" #include "full-read.h" #include "safe-read.h" #include "stat-size.h" @@ -944,7 +945,7 @@ main (int argc, char **argv) line_end = '\n'; - if (1 < argc && argv[1][0] == '-' && ISDIGIT (argv[1][1])) + if (1 < argc && argv[1][0] == '-' && c_isdigit (argv[1][1])) { char *a = argv[1]; char *n_string = ++a; @@ -954,7 +955,7 @@ main (int argc, char **argv) /* Old option syntax; a dash, one or more digits, and one or more option letters. Move past the number. */ do ++a; - while (ISDIGIT (*a)); + while (c_isdigit (*a)); /* Pointer to the byte after the last digit. */ end_n_string = a; @@ -1055,7 +1056,7 @@ main (int argc, char **argv) case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS); default: - if (ISDIGIT (c)) + if (c_isdigit (c)) error (0, 0, _("invalid trailing option -- %c"), c); usage (EXIT_FAILURE); } |