Replace fgets() with agetline()

lsmod.c

@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include "text.h"
 #include "util.h"
 
 static void parse_modline(char *buf, char **name, char **size,
@@ -18,8 +19,9 @@ main(int argc, char *argv[])
 {
 	const char *modfile = "/proc/modules";
 	FILE *fp;
-	char buf[BUFSIZ];
+	char *buf = NULL;
 	char *name, *size, *refcount, *users;
+	size_t bufsize = 0;
 	size_t len;
 
 	ARGBEGIN {
@@ -35,7 +37,7 @@ main(int argc, char *argv[])
 	fp = fopen(modfile, "r");
 	if (!fp)
 		eprintf("fopen %s:", modfile);
-	while (fgets(buf, sizeof buf, fp)) {
+	while (agetline(&buf, &bufsize, fp) != -1) {
 		parse_modline(buf, &name, &size, &refcount, &users);
 		if (!name || !size || !refcount || !users)
 			eprintf("invalid format: %s\n", modfile);
@@ -47,6 +49,7 @@ main(int argc, char *argv[])
 	}
 	if (ferror(fp))
 		eprintf("%s: read error:", modfile);
+	free(buf);
 	fclose(fp);
 	return EXIT_SUCCESS;
 }

lsusb.c

@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <limits.h>
+#include "text.h"
 #include "util.h"
 
 static void lsusb(const char *file);
@@ -30,7 +31,8 @@ lsusb(const char *file)
 	FILE *fp;
 	char *cwd;
 	char path[PATH_MAX];
-	char buf[BUFSIZ];
+	char *buf = NULL;
+	size_t size = 0;
 	unsigned int i = 0, busnum = 0, devnum = 0, pid = 0, vid = 0;
 
 	cwd = agetcwd();
@@ -38,7 +40,7 @@ lsusb(const char *file)
 	free(cwd);
 	if (!(fp = fopen(path, "r")))
 		return;
-	while (fgets(buf, sizeof(buf), fp)) {
+	while (agetline(&buf, &size, fp) != -1) {
 		if (sscanf(buf, "BUSNUM=%u\n", &busnum) ||
 		    sscanf(buf, "DEVNUM=%u\n", &devnum) ||
 		    sscanf(buf, "PRODUCT=%x/%x/", &pid, &vid))
@@ -51,6 +53,6 @@ lsusb(const char *file)
 	}
 	if (ferror(fp))
 		eprintf("%s: read error:", path);
+	free(buf);
 	fclose(fp);
 }
-

sysctl.c

@@ -5,6 +5,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include "text.h"
 #include "util.h"
 
 static void
@@ -160,8 +161,9 @@ int
 main(int argc, char *argv[])
 {
 	FILE *fp;
-	char buf[BUFSIZ], *p;
+	char *buf = NULL, *p;
 	char *file = NULL;
+	size_t size = 0;
 	int i;
 	int r = EXIT_SUCCESS;
 
@@ -184,7 +186,7 @@ main(int argc, char *argv[])
 		fp = fopen(file, "r");
 		if (!fp)
 			eprintf("fopen %s:", file);
-		while (fgets(buf, sizeof(buf), fp)) {
+		while (agetline(&buf, &size, fp) != -1) {
 			p = buf;
 			for (p = buf; *p == ' ' || *p == '\t'; p++)
 				;
@@ -202,6 +204,7 @@ main(int argc, char *argv[])
 		}
 		if (ferror(fp))
 			eprintf("%s: read error:", file);
+		free(buf);
 		fclose(fp);
 	}