patch-2.2.0-pre5 linux/scripts/ksymoops/io.c

• Lines: 140
• Date: Tue Jan 5 11:13:56 1999
• Orig file: v2.2.0-pre4/linux/scripts/ksymoops/io.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.2.0-pre4/linux/scripts/ksymoops/io.c linux/scripts/ksymoops/io.c
@@ -0,0 +1,139 @@
+/*
+	io.c.
+
+	Local I/O routines for ksymoops.
+
+	Copyright Keith Owens <kaos@ocs.com.au>.
+	Released under the GNU Public Licence, Version 2.
+
+	Tue Nov  3 02:31:01 EST 1998
+	Version 0.6
+	fwrite_local is redundant, replaced by bfd.
+
+	Wed Oct 28 13:47:23 EST 1998
+	Version 0.4
+	Split into separate sources.
+
+ */
+
+#include "ksymoops.h"
+#include <errno.h>
+#include <malloc.h>
+#include <string.h>
+#include <sys/stat.h>
+
+int regular_file(const char *file, const char *msg)
+{
+	struct stat statbuf;
+	if (stat(file, &statbuf)) {
+		fprintf(stderr, "%s: %s stat %s failed",
+			prefix, msg, file);
+		perror(" ");
+		++errors;
+		return 0;
+	}
+
+	if (!S_ISREG(statbuf.st_mode)) {
+		fprintf(stderr,
+			"%s: %s %s is not a regular file, ignored\n",
+			prefix, msg, file);
+		++errors;
+		return 0;
+	}
+	return 1;
+}
+
+FILE *fopen_local(const char *file, const char *mode, const char *msg)
+{
+	FILE *f;
+	if (!(f = fopen(file, mode))) {
+		fprintf(stderr, "%s: %s fopen '%s' failed",
+			prefix, msg, file);
+		perror(" ");
+		++errors;
+	}
+	return f;
+}
+
+void fclose_local(FILE *f, const char *msg)
+{
+	int i;
+	if ((i = fclose(f))) {
+		fprintf(stderr, "%s: %s fclose failed %d", prefix, msg, i);
+		perror(" ");
+		++errors;
+	}
+}
+
+/* Read a line, increasing the size of the line as necessary until \n is read */
+#define INCREMENT 10	/* arbitrary */
+char *fgets_local(char **line, int *size, FILE *f, const char *msg)
+{
+	char *l, *p, *r;
+	int longline = 1;
+
+	if (!*line) {
+		*size = INCREMENT;
+		*line = malloc(*size);
+		if (!*line)
+			malloc_error("fgets_local alloc line");
+	}
+
+	l = *line;
+	while (longline) {
+		r = fgets(l, *size-(l-*line), f);
+		if (!r) {
+			if (ferror(f)) {
+				fprintf(stderr,
+					"%s: %s fgets failed", prefix, msg);
+				perror(" ");
+				++errors;
+			}
+			if (l != *line)
+				return(*line);
+			else
+				return(r);
+		}
+		if (!(p = strchr(*line, '\n'))) {
+			*size += INCREMENT;
+			*line = realloc(*line, *size);
+			if (!*line)
+				malloc_error("fgets_local realloc line");
+			l = *line+*size-INCREMENT-1;
+		}
+		else {
+			*p = '\0';
+			longline = 0;
+		}
+	}
+
+	if (debug > 3)
+		fprintf(stderr, "DEBUG: %s line '%s'\n", msg, *line);
+	return(*line);
+}
+
+FILE *popen_local(const char *cmd, const char *msg)
+{
+	FILE *f;
+	if (!(f = popen(cmd, "r"))) {
+		fprintf(stderr, "%s: %s popen '%s' failed",
+			prefix, msg, cmd);
+		perror(" ");
+		++errors;
+	}
+	return f;
+}
+
+void pclose_local(FILE *f, const char *msg)
+{
+	int i;
+	errno = 0;
+	if ((i = pclose(f))) {
+		fprintf(stderr, "%s: %s pclose failed 0x%x", prefix, msg, i);
+		if (errno)
+			perror(" ");
+		else
+			fprintf(stderr, "\n");
+		++errors;
+	}
+}