-
- /*\
- *
- * COPYRIGHT 1990
- * DIGITAL EQUIPMENT CORPORATION
- * MAYNARD, MASSACHUSETTS
- * ALL RIGHTS RESERVED.
- *
- * THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE AND
- * SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT CORPORATION.
- * DIGITAL MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THIS SOFTWARE
- * FOR ANY PURPOSE. IT IS SUPPLIED "AS IS" WITHOUT EXPRESS OR IMPLIED
- * WARRANTY.
- *
- * IF THE SOFTWARE IS MODIFIED IN A MANNER CREATING DERIVATIVE COPYRIGHT
- * RIGHTS, APPROPRIATE LEGENDS MAY BE PLACED ON THE DERIVATIVE WORK IN
- * ADDITION TO THAT SET FORTH ABOVE.
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Digital Equipment Corporation not be
- * used in advertising or publicity pertaining to distribution of the
- * software without specific, written prior permission.
- \*/
-
-#include <ctype.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
+/*
+ * Copyright © 2013 Ran Benita <ran234@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "config.h"
#include "utils.h"
-void *
-recalloc(void *ptr, size_t old_size, size_t new_size)
+#ifdef HAVE_MMAP
+
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+bool
+map_file(FILE *file, char **string_out, size_t *size_out)
{
- char *rtrn;
+ struct stat stat_buf;
+ int fd;
+ char *string;
- if (ptr == NULL)
- return calloc(1, new_size);
+ /* Make sure to keep the errno on failure! */
+ fd = fileno(file);
+ if (fd < 0)
+ return false;
- rtrn = realloc(ptr, new_size);
- if (rtrn && new_size > old_size)
- memset(&rtrn[old_size], 0, new_size - old_size);
+ if (fstat(fd, &stat_buf) != 0)
+ return false;
- return rtrn;
+ string = mmap(NULL, stat_buf.st_size, PROT_READ, MAP_SHARED, fd, 0);
+ if (string == MAP_FAILED)
+ return false;
+
+ *string_out = string;
+ *size_out = stat_buf.st_size;
+ return true;
}
-static FILE *errorFile = NULL;
-static int outCount = 0;
-static char *preMsg = NULL;
-static char *prefix = NULL;
+void
+unmap_file(char *str, size_t size)
+{
+ munmap(str, size);
+}
+
+#else
bool
-uSetErrorFile(char *name)
+map_file(FILE *file, char **string_out, size_t *size_out)
{
- if ((errorFile != NULL) && (errorFile != stderr))
- {
- fprintf(errorFile, "switching to %s\n", name ? name : "stderr");
- fclose(errorFile);
- }
- if (name != NULL)
- errorFile = fopen(name, "w");
- else
- errorFile = stderr;
- if (errorFile == NULL)
- {
- errorFile = stderr;
+ long ret;
+ size_t ret_s;
+ char *string;
+ size_t size;
+
+ /* Make sure to keep the errno on failure! */
+
+ ret = fseek(file, 0, SEEK_END);
+ if (ret != 0)
+ return false;
+
+ ret = ftell(file);
+ if (ret < 0)
+ return false;
+ size = (size_t) ret;
+
+ ret = fseek(file, 0, SEEK_SET);
+ if (ret < 0)
+ return false;
+
+ string = malloc(size);
+ if (!string)
+ return false;
+
+ ret_s = fread(string, 1, size, file);
+ if (ret_s < size) {
+ free(string);
return false;
}
+
+ *string_out = string;
+ *size_out = size;
return true;
}
void
-uInformation(const char *s, ...)
+unmap_file(char *str, size_t size)
{
- va_list args;
-
- if (!errorFile)
- errorFile = stderr;
-
- va_start(args, s);
- vfprintf(errorFile, s, args);
- va_end(args);
- fflush(errorFile);
+ free(str);
}
-/***====================================================================***/
-
-void
-uAction(const char *s, ...)
+#endif
+
+// ASCII lower-case map.
+static const unsigned char lower_map[] = {
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
+ 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+ 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58,
+ 59, 60, 61, 62, 63, 64, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107,
+ 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122,
+ 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107,
+ 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122,
+ 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137,
+ 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152,
+ 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167,
+ 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182,
+ 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197,
+ 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212,
+ 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227,
+ 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242,
+ 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255
+};
+
+// ASCII tolower (to avoid locale issues).
+char
+to_lower(char c)
{
- va_list args;
-
- if (!errorFile)
- errorFile = stderr;
-
- if (prefix != NULL)
- fprintf(errorFile, "%s", prefix);
- fprintf(errorFile, " ");
- va_start(args, s);
- vfprintf(errorFile, s, args);
- va_end(args);
- fflush(errorFile);
+ return (char) lower_map[(unsigned char) c];
}
-/***====================================================================***/
-
-void
-uWarning(const char *s, ...)
+// ASCII strcasecmp (to avoid locale issues).
+int
+istrcmp(const char *a, const char *b)
{
- va_list args;
-
- if (!errorFile)
- errorFile = stderr;
-
- if ((outCount == 0) && (preMsg != NULL))
- fprintf(errorFile, "%s\n", preMsg);
- if (prefix != NULL)
- fprintf(errorFile, "%s", prefix);
- fprintf(errorFile, "Warning: ");
- va_start(args, s);
- vfprintf(errorFile, s, args);
- va_end(args);
- fflush(errorFile);
- outCount++;
+ for (size_t i = 0; ; i++) {
+ if (to_lower(a[i]) != to_lower(b[i]))
+ return (int) to_lower(a[i]) - (int) to_lower(b[i]);
+ if (!a[i])
+ break;
+ }
+ return 0;
}
-/***====================================================================***/
-
-void
-uError(const char *s, ...)
+// ASCII strncasecmp (to avoid locale issues).
+int
+istrncmp(const char *a, const char *b, size_t n)
{
- va_list args;
-
- if (!errorFile)
- errorFile = stderr;
-
- if ((outCount == 0) && (preMsg != NULL))
- fprintf(errorFile, "%s\n", preMsg);
- if (prefix != NULL)
- fprintf(errorFile, "%s", prefix);
- fprintf(errorFile, "Error: ");
- va_start(args, s);
- vfprintf(errorFile, s, args);
- va_end(args);
- fflush(errorFile);
- outCount++;
+ for (size_t i = 0; i < n; i++) {
+ if (to_lower(a[i]) != to_lower(b[i]))
+ return (int) to_lower(a[i]) - (int) to_lower(b[i]);
+ if (!a[i])
+ break;
+ }
+ return 0;
}
-/***====================================================================***/
-
-void
-uFatalError(const char *s, ...)
+#if !(defined(HAVE_ASPRINTF) && HAVE_ASPRINTF)
+int
+asprintf(char **strp, const char *fmt, ...)
{
- va_list args;
-
- if (!errorFile)
- errorFile = stderr;
-
- if ((outCount == 0) && (preMsg != NULL))
- fprintf(errorFile, "%s\n", preMsg);
- if (prefix != NULL)
- fprintf(errorFile, "%s", prefix);
- fprintf(errorFile, "Fatal Error: ");
- va_start(args, s);
- vfprintf(errorFile, s, args);
- va_end(args);
- fprintf(errorFile, " Exiting\n");
- fflush(errorFile);
- outCount++;
- exit(1);
- /* NOTREACHED */
+ int ret;
+ va_list ap;
+ va_start(ap, fmt);
+ ret = vasprintf(strp, fmt, ap);
+ va_end(ap);
+ return ret;
}
-/***====================================================================***/
-
-void
-uInternalError(const char *s, ...)
+# if !(defined(HAVE_VASPRINTF) && HAVE_VASPRINTF)
+int
+vasprintf(char **strp, const char *fmt, va_list ap)
{
- va_list args;
-
- if (!errorFile)
- errorFile = stderr;
-
- if ((outCount == 0) && (preMsg != NULL))
- fprintf(errorFile, "%s\n", preMsg);
- if (prefix != NULL)
- fprintf(errorFile, "%s", prefix);
- fprintf(errorFile, "Internal error: ");
- va_start(args, s);
- vfprintf(errorFile, s, args);
- va_end(args);
- fflush(errorFile);
- outCount++;
+ int ret;
+ char *buf;
+ va_list ap_copy;
+
+ /*
+ * The value of the va_list parameter is undefined after the call to
+ * vsnprintf() returns: pass a copy to make sure "ap" remains valid.
+ */
+ va_copy(ap_copy, ap);
+ ret = vsnprintf(NULL, 0, fmt, ap_copy);
+ va_end(ap_copy);
+
+ if (ret < 0)
+ return ret;
+
+ if (!(buf = malloc(ret + 1)))
+ return -1;
+
+ if ((ret = vsnprintf(buf, ret + 1, fmt, ap)) < 0) {
+ free(buf);
+ return ret;
+ }
+
+ *strp = buf;
+ return ret;
}
+# endif /* !HAVE_VASPRINTF */
+#endif /* !HAVE_ASPRINTF */
projects / platform / upstream / libxkbcommon.git / blobdiff