[hackers] [sbase] Respect exit status in grep(1) || sin

[git]

commit 2b39f2067530db39d4da70b8fde71a6923269136
Author: sin <s...@2f30.org>
Date:   Fri Nov 21 11:43:53 2014 +0000

    Respect exit status in grep(1)

diff --git a/grep.c b/grep.c
index d74f2fc..5aa5816 100644
--- a/grep.c
+++ b/grep.c
@@ -160,16 +160,22 @@ addpattern(const char *pattern)
                        pattern = ".";
 
        if (!Fflag && xflag) {
-               tmp = emalloc(strlen(pattern) + 3);
+               tmp = malloc(strlen(pattern) + 3);
+               if (!tmp)
+                       enprintf(Error, "malloc:");
                snprintf(tmp, strlen(pattern) + 3, "%s%s%s",
                         pattern[0] == '^' ? "" : "^",
                         pattern,
                         pattern[strlen(pattern) - 1] == '$' ? "" : "$");
        } else {
-               tmp = estrdup(pattern);
+               tmp = strdup(pattern);
+               if (!tmp)
+                       enprintf(Error, "strdup:");
        }
 
-       pnode = emalloc(sizeof(*pnode));
+       pnode = malloc(sizeof(*pnode));
+       if (!pnode)
+               enprintf(Error, "malloc:");
        pnode->pattern = tmp;
        SLIST_INSERT_HEAD(&phead, pnode, entry);
 }
@@ -186,6 +192,8 @@ addpatternfile(FILE *fp)
                addpattern(buf);
        }
        free(buf);
+       if (ferror(fp))
+               enprintf(Error, "read error:");
 }
 
 static int