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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
commit | e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch) | |
tree | 68cb5ef9081156392f1dd62a00c6ccc1451b93df /wsutil/clopts_common.c | |
parent | Initial commit. (diff) | |
download | wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip |
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-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 00000000..fa17f8e3 --- /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 "clopts_common.h" + +#include <stdlib.h> +#include <errno.h> + +#include <wsutil/strtoi.h> +#include <wsutil/cmdarg_err.h> + +int +get_natural_int(const char *string, const char *name) +{ + int32_t 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; +} + +uint32_t +get_guint32(const char *string, const char *name) +{ + uint32_t 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; +} + +uint32_t +get_nonzero_guint32(const char *string, const char *name) +{ + uint32_t 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; +} |