getopt_long.h File Reference (original) (raw)

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Macros
#define	no_argument 0

#define	required_argument 1

#define	optional_argument 2

Functions
int	getopt_long (int argc, char const argv[], const char optstring, const struct option longopts, int longindex)

◆ no_argument

◆ optional_argument

#define optional_argument 2

◆ required_argument

#define required_argument 1

int getopt_long	(	int	argc,
char *const	_argv_[],
const char *	optstring,
const struct option *	longopts,
int *	longindex
)

Definition at line 60 of file getopt_long.c.

63{

64 static char *place = EMSG;

65 char *oli;

66 static int nonopt_start = -1;

67 static bool force_nonopt = false;

69 if (!*place)

70 {

71 char **args = (char **) argv;

73retry:

79 {

81 nonopt_start = -1;

82 force_nonopt = false;

83 return -1;

84 }

96 if (force_nonopt || place[0] != '-' || place[1] == '\0')

97 {

98 for (int i = optind; i < argc - 1; i++)

100 args[argc - 1] = place;

101

102 if (nonopt_start == -1)

103 nonopt_start = argc - 1;

104 else

105 nonopt_start--;

106

107 goto retry;

108 }

109

110 place++;

111

112 if (place[0] == '-' && place[1] == '\0')

113 {

114

116 force_nonopt = true;

117 goto retry;

118 }

119

120 if (place[0] == '-' && place[1])

121 {

122

123 size_t namelen;

124 int i;

125

126 place++;

127

128 namelen = strcspn(place, "=");

129 for (i = 0; longopts[i].name != NULL; i++)

130 {

131 if (strlen(longopts[i].name) == namelen

132 && strncmp(place, longopts[i].name, namelen) == 0)

133 {

134 int has_arg = longopts[i].has_arg;

135

137 {

138 if (place[namelen] == '=')

139 optarg = place + namelen + 1;

140 else if (optind < argc - 1 &&

142 {

145 }

146 else

147 {

148 if (optstring[0] == ':')

150

153 "%s: option requires an argument -- %s\n",

154 argv[0], place);

155

156 place = EMSG;

158

162 }

163 }

164 else

165 {

167 if (place[namelen] != 0)

168 {

169

170 }

171 }

172

174

175 if (longindex)

176 *longindex = i;

177

178 place = EMSG;

179

180 if (longopts[i].flag == NULL)

181 return longopts[i].val;

182 else

183 {

184 *longopts[i].flag = longopts[i].val;

185 return 0;

186 }

187 }

188 }

189

190 if (opterr && optstring[0] != ':')

192 "%s: illegal option -- %s\n", argv[0], place);

193 place = EMSG;

196 }

197 }

198

199

200 optopt = (int) *place++;

201

202 oli = strchr(optstring, optopt);

203 if (!oli)

204 {

205 if (!*place)

207 if (opterr && *optstring != ':')

209 "%s: illegal option -- %c\n", argv[0], optopt);

211 }

212

213 if (oli[1] != ':')

214 {

216 if (!*place)

218 }

219 else

220 {

221 if (*place)

223 else if (argc <= ++optind)

224 {

225 place = EMSG;

226 if (*optstring == ':')

230 "%s: option requires an argument -- %c\n",

233 }

234 else

235

237 place = EMSG;

239 }

241}

#define fprintf(file, fmt, msg)

#define required_argument

PGDLLIMPORT char * optarg

References generate_unaccent_rules::args, BADARG, BADCH, EMSG, option::flag, flag(), fprintf, option::has_arg, i, name, option::name, no_argument, optarg, opterr, optind, optopt, required_argument, and option::val.

Referenced by get_opts(), handle_args(), main(), parse_psql_options(), parseCommandLine(), and regression_main().