use agetline instead of agets

also use agetline where fgets with a static buffer was used previously.

Signed-off-by: Hiltjo Posthuma <hiltjo@codemadness.org>

fold.c

@@ -64,7 +64,7 @@ fold(FILE *fp, long width)
 	char *buf = NULL;
 	size_t size = 0;
 
-	while(afgets(&buf, &size, fp))
+	while(agetline(&buf, &size, fp) != -1)
 		foldline(buf, width);
 	free(buf);
 }

head.c

@@ -3,6 +3,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include "text.h"
 #include "util.h"
 
 static void head(FILE *, const char *, long);
@@ -49,14 +50,17 @@ main(int argc, char *argv[])
 static void
 head(FILE *fp, const char *str, long n)
 {
-	char buf[BUFSIZ];
-	long i = 0;
+	char *buf = NULL;
+	size_t size = 0;
+	ssize_t len;
+	unsigned long i = 0;
 
-	while(i < n && fgets(buf, sizeof buf, fp)) {
+	while(i < n && ((len = agetline(&buf, &size, fp)) != -1)) {
 		fputs(buf, stdout);
-		if(buf[strlen(buf)-1] == '\n')
+		if(buf[len - 1] == '\n')
 			i++;
 	}
+	free(buf);
 	if(ferror(fp))
 		eprintf("%s: read error:", str);
 }

nl.c

@@ -68,7 +68,7 @@ nl(FILE *fp)
 	long n = 0;
 	size_t size = 0;
 
-	while(afgets(&buf, &size, fp)) {
+	while(agetline(&buf, &size, fp) != -1) {
 		if((mode == 'a')
 		   || (mode == 'p'
 		       && !regexec(&preg, buf, 0, NULL, 0))

tail.c

@@ -55,25 +55,28 @@ main(int argc, char *argv[])
 static void
 dropinit(FILE *fp, const char *str, long n)
 {
-	char buf[BUFSIZ];
-	long i = 0;
+	char *buf = NULL;
+	size_t size = 0;
+	ssize_t len;
+	unsigned long i = 0;
 
-	while(i < n && fgets(buf, sizeof buf, fp))
-		if(buf[strlen(buf)-1] == '\n')
+	while(i < n && ((len = agetline(&buf, &size, fp) != -1)))
+		if(len && buf[len - 1] == '\n')
 			i++;
+	free(buf);
 	concat(fp, str, stdout, "<stdout>");
 }
 
 static void
 taketail(FILE *fp, const char *str, long n)
 {
-	char **ring;
+	char **ring = NULL;
 	long i, j;
 	size_t *size = NULL;
 
 	if(!(ring = calloc(n, sizeof *ring)) || !(size = calloc(n, sizeof *size)))
 		eprintf("calloc:");
-	for(i = j = 0; afgets(&ring[i], &size[i], fp); i = j = (i+1)%n)
+	for(i = j = 0; agetline(&ring[i], &size[i], fp) != -1; i = j = (i + 1) % n)
 		;
 	if(ferror(fp))
 		eprintf("%s: read error:", str);

tr.c

@@ -160,7 +160,7 @@ main(int argc, char *argv[])
 		mapfunc = maptoset;
 	}
 
-	while(afgets(&buf, &size, stdin))
+	while(agetline(&buf, &size, stdin) != -1)
 		mapfunc(mappings, buf);
 	free(buf);
 	if(ferror(stdin))

uniq.c

@@ -93,7 +93,7 @@ uniq(FILE *fp, const char *str)
 	char *buf = NULL;
 	size_t size = 0;
 
-	while(afgets(&buf, &size, fp))
+	while(agetline(&buf, &size, fp) != -1)
 		uniqline(buf);
 }
 

util/crypt.c

@@ -50,7 +50,7 @@ cryptcheck(char *sumfile, int argc, char *argv[],
 	else if(!(cfp = fopen(sumfile, "r")))
 		eprintf("fopen %s:", sumfile);
 
-	while(afgets(&line, &bufsiz, cfp)) {
+	while(agetline(&line, &bufsiz, cfp) != -1) {
 		if(!(file = strstr(line, "  "))) {
 			formatsucks++;
 			continue;

util/getlines.c

@@ -10,10 +10,10 @@ void
 getlines(FILE *fp, struct linebuf *b)
 {
 	char *line = NULL, **nline;
-	size_t size = 0;
-	size_t linelen;
+	size_t size = 0, linelen;
+	ssize_t len;
 
-	while(afgets(&line, &size, fp)) {
+	while((len = agetline(&line, &size, fp)) != -1) {
 		if(++b->nlines > b->capacity) {
 			b->capacity += 512;
 			nline = realloc(b->lines, b->capacity * sizeof(*b->lines));
@@ -21,10 +21,10 @@ getlines(FILE *fp, struct linebuf *b)
 				eprintf("realloc:");
 			b->lines = nline;
 		}
-		if(!(b->lines[b->nlines-1] = malloc((linelen = strlen(line)+1))))
+		linelen = len + 1;
+		if(!(b->lines[b->nlines-1] = malloc(linelen)))
 			eprintf("malloc:");
 		memcpy(b->lines[b->nlines-1], line, linelen);
 	}
 	free(line);
 }
-

uudecode.c

@@ -118,19 +118,20 @@ parseheader(FILE *fp, const char *s, const char *header, mode_t *mode, char **fn
 static void
 uudecode(FILE *fp, FILE *outfp)
 {
-	char *bufb = NULL, *p, *nl;
-	size_t n=0;
+	char *bufb = NULL, *p;
+	size_t n = 0;
+	ssize_t len;
 	int ch, i;
 
 #define DEC(c)  (((c) - ' ') & 077) /* single character decode */
 #define IS_DEC(c) ( (((c) - ' ') >= 0) && (((c) - ' ') <= 077 + 1) )
 #define OUT_OF_RANGE(c) eprintf("character %c out of range: [%d-%d]", (c), 1 + ' ', 077 + ' ' + 1)
 
-	while (afgets(&bufb,&n,fp)) {
+	while((len = agetline(&bufb, &n, fp)) != -1) {
 		p = bufb;
 		/* trim newlines */
-		if ((nl = strchr(bufb, '\n')) != NULL)
-			*nl = '\0';
+		if(len && bufb[len - 1] != '\n')
+			bufb[len - 1] = '\0';
 		else
 			eprintf("no newline found, aborting\n");
 		/* check for last line */
@@ -170,8 +171,8 @@ uudecode(FILE *fp, FILE *outfp)
 			eprintf("read error:");
 	}
 	/* check for end or fail */
-	afgets(&bufb, &n, fp);
-	if (strnlen(bufb, 3) < 3 || strncmp(bufb, "end", 3) != 0 || bufb[3] != '\n')
+	len = agetline(&bufb, &n, fp);
+	if(len < 3 || strncmp(bufb, "end", 3) != 0 || bufb[3] != '\n')
 		eprintf("invalid uudecode footer \"end\" not found\n");
 	free(bufb);
 }