diff options
author | João Valverde <j@v6e.pt> | 2023-02-06 22:50:32 +0000 |
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committer | João Valverde <j@v6e.pt> | 2023-02-10 20:59:22 +0000 |
commit | cf8107eb2a93ec91d36cdb6efbb6195a77616b41 (patch) | |
tree | 823c97bc8c3f9fd37f1f8243df2e52e8e05d3fcb /wsutil/clopts_common.c | |
parent | 0cea64a632167e497a8a56757b1e4a70e9202e3b (diff) |
Move ui/clopts_common.[ch] to wsutil
Diffstat (limited to 'wsutil/clopts_common.c')
-rw-r--r-- | wsutil/clopts_common.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/wsutil/clopts_common.c b/wsutil/clopts_common.c new file mode 100644 index 0000000000..8145bfb8b5 --- /dev/null +++ b/wsutil/clopts_common.c @@ -0,0 +1,108 @@ +/* clopts_common.c + * Handle command-line arguments common to various programs + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "config.h" + +#include <stdlib.h> +#include <errno.h> + +#include <wsutil/strtoi.h> +#include <wsutil/cmdarg_err.h> + +#include "clopts_common.h" + +int +get_natural_int(const char *string, const char *name) +{ + gint32 number; + + if (!ws_strtoi32(string, NULL, &number)) { + if (errno == EINVAL) { + cmdarg_err("The specified %s \"%s\" isn't a decimal number", name, string); + exit(1); + } + if (number < 0) { + cmdarg_err("The specified %s \"%s\" is a negative number", name, string); + exit(1); + } + cmdarg_err("The specified %s \"%s\" is too large (greater than %d)", + name, string, number); + exit(1); + } + if (number < 0) { + cmdarg_err("The specified %s \"%s\" is a negative number", name, string); + exit(1); + } + return (int)number; +} + +int +get_positive_int(const char *string, const char *name) +{ + int number; + + number = get_natural_int(string, name); + + if (number == 0) { + cmdarg_err("The specified %s is zero", name); + exit(1); + } + + return number; +} + +guint32 +get_guint32(const char *string, const char *name) +{ + guint32 number; + + if (!ws_strtou32(string, NULL, &number)) { + if (errno == EINVAL) { + cmdarg_err("The specified %s \"%s\" isn't a decimal number", name, string); + exit(1); + } + cmdarg_err("The specified %s \"%s\" is too large (greater than %d)", + name, string, number); + exit(1); + } + return number; +} + +guint32 +get_nonzero_guint32(const char *string, const char *name) +{ + guint32 number; + + number = get_guint32(string, name); + + if (number == 0) { + cmdarg_err("The specified %s is zero", name); + exit(1); + } + + return number; +} + +double +get_positive_double(const char *string, const char *name) +{ + double number = g_ascii_strtod(string, NULL); + + if (errno == EINVAL) { + cmdarg_err("The specified %s \"%s\" isn't a floating point number", name, string); + exit(1); + } + if (number < 0.0) { + cmdarg_err("The specified %s \"%s\" is a negative number", name, string); + exit(1); + } + + return number; +} |