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portable: configure: split out dependencies Rather than assume all dependencies are required for all programs, split them out. This will make packaging easier, as well as splitting the code to use subprojects. Note that due to the use of config.h semantics, in most cases the got_compat.h header file is now at the top of the .c file it is included in, so that it can handle the system header inclusion properly.
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  1 8a35f56c 2022-07-16 thomas /*

  2 8a35f56c 2022-07-16 thomas  * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>

  3 8a35f56c 2022-07-16 thomas  *

  4 8a35f56c 2022-07-16 thomas  * Permission to use, copy, modify, and distribute this software for any

  5 8a35f56c 2022-07-16 thomas  * purpose with or without fee is hereby granted, provided that the above

  6 8a35f56c 2022-07-16 thomas  * copyright notice and this permission notice appear in all copies.

  7 8a35f56c 2022-07-16 thomas  *

  8 8a35f56c 2022-07-16 thomas  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

  9 8a35f56c 2022-07-16 thomas  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

 10 8a35f56c 2022-07-16 thomas  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

 11 8a35f56c 2022-07-16 thomas  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

 12 8a35f56c 2022-07-16 thomas  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

 13 8a35f56c 2022-07-16 thomas  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

 14 8a35f56c 2022-07-16 thomas  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

 15 8a35f56c 2022-07-16 thomas  */

 16 8a35f56c 2022-07-16 thomas 

 17 4fccd2fe 2023-03-08 thomas #include "got_compat.h"

 18 4fccd2fe 2023-03-08 thomas 

 19 8a35f56c 2022-07-16 thomas #include <stdio.h>

 20 8a35f56c 2022-07-16 thomas #include <stdlib.h>

 21 8a35f56c 2022-07-16 thomas #include <stdarg.h>

 22 8a35f56c 2022-07-16 thomas #include <string.h>

 23 8a35f56c 2022-07-16 thomas #include <syslog.h>

 24 8a35f56c 2022-07-16 thomas #include <errno.h>

 25 8a35f56c 2022-07-16 thomas #include <time.h>

 26 8a35f56c 2022-07-16 thomas 

 27 8a35f56c 2022-07-16 thomas static int	 debug;

 28 8a35f56c 2022-07-16 thomas static int	 verbose;

 29 8a35f56c 2022-07-16 thomas const char	*log_procname;

 30 8a35f56c 2022-07-16 thomas 

 31 8a35f56c 2022-07-16 thomas void	log_init(int, int);

 32 8a35f56c 2022-07-16 thomas void	log_procinit(const char *);

 33 8a35f56c 2022-07-16 thomas void	log_setverbose(int);

 34 8a35f56c 2022-07-16 thomas int	log_getverbose(void);

 35 8a35f56c 2022-07-16 thomas void	log_warn(const char *, ...)

 36 8a35f56c 2022-07-16 thomas 	    __attribute__((__format__ (printf, 1, 2)));

 37 8a35f56c 2022-07-16 thomas void	log_warnx(const char *, ...)

 38 8a35f56c 2022-07-16 thomas 	    __attribute__((__format__ (printf, 1, 2)));

 39 8a35f56c 2022-07-16 thomas void	log_info(const char *, ...)

 40 8a35f56c 2022-07-16 thomas 	    __attribute__((__format__ (printf, 1, 2)));

 41 8a35f56c 2022-07-16 thomas void	log_debug(const char *, ...)

 42 8a35f56c 2022-07-16 thomas 	    __attribute__((__format__ (printf, 1, 2)));

 43 8a35f56c 2022-07-16 thomas void	logit(int, const char *, ...)

 44 8a35f56c 2022-07-16 thomas 	    __attribute__((__format__ (printf, 2, 3)));

 45 8a35f56c 2022-07-16 thomas void	vlog(int, const char *, va_list)

 46 8a35f56c 2022-07-16 thomas 	    __attribute__((__format__ (printf, 2, 0)));

 47 8a35f56c 2022-07-16 thomas __dead void fatal(const char *, ...)

 48 8a35f56c 2022-07-16 thomas 	    __attribute__((__format__ (printf, 1, 2)));

 49 8a35f56c 2022-07-16 thomas __dead void fatalx(const char *, ...)

 50 8a35f56c 2022-07-16 thomas 	    __attribute__((__format__ (printf, 1, 2)));

 51 8a35f56c 2022-07-16 thomas 

 52 8a35f56c 2022-07-16 thomas void

 53 8a35f56c 2022-07-16 thomas log_init(int n_debug, int facility)

 54 8a35f56c 2022-07-16 thomas {

 55 8a35f56c 2022-07-16 thomas 	debug = n_debug;

 56 8a35f56c 2022-07-16 thomas 	verbose = n_debug;

 57 8a35f56c 2022-07-16 thomas 	log_procinit(getprogname());

 58 8a35f56c 2022-07-16 thomas 

 59 8a35f56c 2022-07-16 thomas 	if (!debug)

 60 8a35f56c 2022-07-16 thomas 		openlog(getprogname(), LOG_PID | LOG_NDELAY, facility);

 61 8a35f56c 2022-07-16 thomas 

 62 8a35f56c 2022-07-16 thomas 	tzset();

 63 8a35f56c 2022-07-16 thomas }

 64 8a35f56c 2022-07-16 thomas 

 65 8a35f56c 2022-07-16 thomas void

 66 8a35f56c 2022-07-16 thomas log_procinit(const char *procname)

 67 8a35f56c 2022-07-16 thomas {

 68 8a35f56c 2022-07-16 thomas 	if (procname != NULL)

 69 8a35f56c 2022-07-16 thomas 		log_procname = procname;

 70 8a35f56c 2022-07-16 thomas }

 71 8a35f56c 2022-07-16 thomas 

 72 8a35f56c 2022-07-16 thomas void

 73 8a35f56c 2022-07-16 thomas log_setverbose(int v)

 74 8a35f56c 2022-07-16 thomas {

 75 8a35f56c 2022-07-16 thomas 	verbose = v;

 76 8a35f56c 2022-07-16 thomas }

 77 8a35f56c 2022-07-16 thomas 

 78 8a35f56c 2022-07-16 thomas int

 79 8a35f56c 2022-07-16 thomas log_getverbose(void)

 80 8a35f56c 2022-07-16 thomas {

 81 8a35f56c 2022-07-16 thomas 	return (verbose);

 82 8a35f56c 2022-07-16 thomas }

 83 8a35f56c 2022-07-16 thomas 

 84 8a35f56c 2022-07-16 thomas void

 85 8a35f56c 2022-07-16 thomas logit(int pri, const char *fmt, ...)

 86 8a35f56c 2022-07-16 thomas {

 87 8a35f56c 2022-07-16 thomas 	va_list ap;

 88 8a35f56c 2022-07-16 thomas 

 89 8a35f56c 2022-07-16 thomas 	va_start(ap, fmt);

 90 8a35f56c 2022-07-16 thomas 	vlog(pri, fmt, ap);

 91 8a35f56c 2022-07-16 thomas 	va_end(ap);

 92 8a35f56c 2022-07-16 thomas }

 93 8a35f56c 2022-07-16 thomas 

 94 8a35f56c 2022-07-16 thomas void

 95 8a35f56c 2022-07-16 thomas vlog(int pri, const char *fmt, va_list ap)

 96 8a35f56c 2022-07-16 thomas {

 97 8a35f56c 2022-07-16 thomas 	char *nfmt;

 98 8a35f56c 2022-07-16 thomas 	int saved_errno = errno;

 99 8a35f56c 2022-07-16 thomas 

100 8a35f56c 2022-07-16 thomas 	if (debug) {

101 8a35f56c 2022-07-16 thomas 		/* best effort in out of mem situations */

102 8a35f56c 2022-07-16 thomas 		if (asprintf(&nfmt, "%s\n", fmt) == -1) {

103 8a35f56c 2022-07-16 thomas 			vfprintf(stderr, fmt, ap);

104 8a35f56c 2022-07-16 thomas 			fprintf(stderr, "\n");

105 8a35f56c 2022-07-16 thomas 		} else {

106 8a35f56c 2022-07-16 thomas 			vfprintf(stderr, nfmt, ap);

107 8a35f56c 2022-07-16 thomas 			free(nfmt);

108 8a35f56c 2022-07-16 thomas 		}

109 8a35f56c 2022-07-16 thomas 		fflush(stderr);

110 8a35f56c 2022-07-16 thomas 	} else

111 8a35f56c 2022-07-16 thomas 		vsyslog(pri, fmt, ap);

112 8a35f56c 2022-07-16 thomas 

113 8a35f56c 2022-07-16 thomas 	errno = saved_errno;

114 8a35f56c 2022-07-16 thomas }

115 8a35f56c 2022-07-16 thomas 

116 8a35f56c 2022-07-16 thomas void

117 8a35f56c 2022-07-16 thomas log_warn(const char *emsg, ...)

118 8a35f56c 2022-07-16 thomas {

119 8a35f56c 2022-07-16 thomas 	char *nfmt;

120 8a35f56c 2022-07-16 thomas 	va_list ap;

121 8a35f56c 2022-07-16 thomas 	int saved_errno = errno;

122 8a35f56c 2022-07-16 thomas 

123 8a35f56c 2022-07-16 thomas 	/* best effort to even work in out of memory situations */

124 8a35f56c 2022-07-16 thomas 	if (emsg == NULL)

125 8a35f56c 2022-07-16 thomas 		logit(LOG_CRIT, "%s", strerror(saved_errno));

126 8a35f56c 2022-07-16 thomas 	else {

127 8a35f56c 2022-07-16 thomas 		va_start(ap, emsg);

128 8a35f56c 2022-07-16 thomas 

129 8a35f56c 2022-07-16 thomas 		if (asprintf(&nfmt, "%s: %s", emsg,

130 8a35f56c 2022-07-16 thomas 		    strerror(saved_errno)) == -1) {

131 8a35f56c 2022-07-16 thomas 			/* we tried it... */

132 8a35f56c 2022-07-16 thomas 			vlog(LOG_CRIT, emsg, ap);

133 8a35f56c 2022-07-16 thomas 			logit(LOG_CRIT, "%s", strerror(saved_errno));

134 8a35f56c 2022-07-16 thomas 		} else {

135 8a35f56c 2022-07-16 thomas 			vlog(LOG_CRIT, nfmt, ap);

136 8a35f56c 2022-07-16 thomas 			free(nfmt);

137 8a35f56c 2022-07-16 thomas 		}

138 8a35f56c 2022-07-16 thomas 		va_end(ap);

139 8a35f56c 2022-07-16 thomas 	}

140 8a35f56c 2022-07-16 thomas 

141 8a35f56c 2022-07-16 thomas 	errno = saved_errno;

142 8a35f56c 2022-07-16 thomas }

143 8a35f56c 2022-07-16 thomas 

144 8a35f56c 2022-07-16 thomas void

145 8a35f56c 2022-07-16 thomas log_warnx(const char *emsg, ...)

146 8a35f56c 2022-07-16 thomas {

147 8a35f56c 2022-07-16 thomas 	va_list ap;

148 8a35f56c 2022-07-16 thomas 

149 8a35f56c 2022-07-16 thomas 	va_start(ap, emsg);

150 8a35f56c 2022-07-16 thomas 	vlog(LOG_CRIT, emsg, ap);

151 8a35f56c 2022-07-16 thomas 	va_end(ap);

152 8a35f56c 2022-07-16 thomas }

153 8a35f56c 2022-07-16 thomas 

154 8a35f56c 2022-07-16 thomas void

155 8a35f56c 2022-07-16 thomas log_info(const char *emsg, ...)

156 8a35f56c 2022-07-16 thomas {

157 8a35f56c 2022-07-16 thomas 	va_list ap;

158 8a35f56c 2022-07-16 thomas 

159 8a35f56c 2022-07-16 thomas 	va_start(ap, emsg);

160 8a35f56c 2022-07-16 thomas 	vlog(LOG_INFO, emsg, ap);

161 8a35f56c 2022-07-16 thomas 	va_end(ap);

162 8a35f56c 2022-07-16 thomas }

163 8a35f56c 2022-07-16 thomas 

164 8a35f56c 2022-07-16 thomas void

165 8a35f56c 2022-07-16 thomas log_debug(const char *emsg, ...)

166 8a35f56c 2022-07-16 thomas {

167 8a35f56c 2022-07-16 thomas 	va_list ap;

168 8a35f56c 2022-07-16 thomas 

169 8a35f56c 2022-07-16 thomas 	if (verbose > 1) {

170 8a35f56c 2022-07-16 thomas 		va_start(ap, emsg);

171 8a35f56c 2022-07-16 thomas 		vlog(LOG_DEBUG, emsg, ap);

172 8a35f56c 2022-07-16 thomas 		va_end(ap);

173 8a35f56c 2022-07-16 thomas 	}

174 8a35f56c 2022-07-16 thomas }

175 8a35f56c 2022-07-16 thomas 

176 8a35f56c 2022-07-16 thomas static void

177 8a35f56c 2022-07-16 thomas vfatalc(int code, const char *emsg, va_list ap)

178 8a35f56c 2022-07-16 thomas {

179 8a35f56c 2022-07-16 thomas 	static char s[BUFSIZ];

180 8a35f56c 2022-07-16 thomas 	const char *sep;

181 8a35f56c 2022-07-16 thomas 

182 8a35f56c 2022-07-16 thomas 	if (emsg != NULL) {

183 8a35f56c 2022-07-16 thomas 		(void)vsnprintf(s, sizeof(s), emsg, ap);

184 8a35f56c 2022-07-16 thomas 		sep = ": ";

185 8a35f56c 2022-07-16 thomas 	} else {

186 8a35f56c 2022-07-16 thomas 		s[0] = '\0';

187 8a35f56c 2022-07-16 thomas 		sep = "";

188 8a35f56c 2022-07-16 thomas 	}

189 8a35f56c 2022-07-16 thomas 	if (code)

190 8a35f56c 2022-07-16 thomas 		logit(LOG_CRIT, "%s: %s%s%s",

191 8a35f56c 2022-07-16 thomas 		    log_procname, s, sep, strerror(code));

192 8a35f56c 2022-07-16 thomas 	else

193 8a35f56c 2022-07-16 thomas 		logit(LOG_CRIT, "%s%s%s", log_procname, sep, s);

194 8a35f56c 2022-07-16 thomas }

195 8a35f56c 2022-07-16 thomas 

196 8a35f56c 2022-07-16 thomas void

197 8a35f56c 2022-07-16 thomas fatal(const char *emsg, ...)

198 8a35f56c 2022-07-16 thomas {

199 8a35f56c 2022-07-16 thomas 	va_list ap;

200 8a35f56c 2022-07-16 thomas 

201 8a35f56c 2022-07-16 thomas 	va_start(ap, emsg);

202 8a35f56c 2022-07-16 thomas 	vfatalc(errno, emsg, ap);

203 8a35f56c 2022-07-16 thomas 	va_end(ap);

204 8a35f56c 2022-07-16 thomas 	exit(1);

205 8a35f56c 2022-07-16 thomas }

206 8a35f56c 2022-07-16 thomas 

207 8a35f56c 2022-07-16 thomas void

208 8a35f56c 2022-07-16 thomas fatalx(const char *emsg, ...)

209 8a35f56c 2022-07-16 thomas {

210 8a35f56c 2022-07-16 thomas 	va_list ap;

211 8a35f56c 2022-07-16 thomas 

212 8a35f56c 2022-07-16 thomas 	va_start(ap, emsg);

213 8a35f56c 2022-07-16 thomas 	vfatalc(0, emsg, ap);

214 8a35f56c 2022-07-16 thomas 	va_end(ap);

215 8a35f56c 2022-07-16 thomas 	exit(1);

216 8a35f56c 2022-07-16 thomas }