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Added No_Mem

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ceriel 1987-02-23 11:38:15 +00:00
parent f98832f587
commit 398021e77a
3 changed files with 9 additions and 13 deletions
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5
modules/src/alloc/Makefile
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@ -10,9 +10,10 @@ SOURCES = alloc.h\
botch.c\ botch.c\
clear.c\ clear.c\
st_alloc.c\ st_alloc.c\
std_alloc.c std_alloc.c \
No_Mem.c
OBJECTS = botch.o clear.o st_alloc.o Malloc.o std_alloc.o OBJECTS = botch.o clear.o st_alloc.o Malloc.o std_alloc.o No_Mem.o
all: liballoc.a all: liballoc.a

13
modules/src/alloc/Malloc.c
View file

@ -14,20 +14,13 @@
#include "in_all.h" #include "in_all.h"
#include "alloc.h" #include "alloc.h"
PRIVATE
m_fatal() {
(void) sys_write(2, "Out of memory\n", 14);
sys_stop(S_EXIT);
}
EXPORT char * EXPORT char *
Malloc(sz) Malloc(sz)
unsigned int sz; unsigned int sz;
{ {
char *res = malloc(sz); char *res = malloc(sz);
if (res == 0) m_fatal(); if (res == 0) No_Mem();
return res; return res;
} }
@ -42,7 +35,7 @@ Salloc(str, sz)
char *res = malloc(sz); char *res = malloc(sz);
register char *m = res; register char *m = res;
if (m == 0) m_fatal(); if (m == 0) No_Mem();
while (sz--) while (sz--)
*m++ = *str++; *m++ = *str++;
return res; return res;
@ -54,6 +47,6 @@ Srealloc(str, sz)
unsigned int sz; unsigned int sz;
{ {
str = realloc(str, sz); str = realloc(str, sz);
if (str == 0) m_fatal(); if (str == 0) No_Mem();
return str; return str;
} }

4
modules/src/alloc/alloc.3
View file

@ -70,4 +70,6 @@ These last two routines are best used in a macro.
malloc(3) malloc(3)
.SH DIAGNOSTICS .SH DIAGNOSTICS
\fIMalloc\fR, \fISalloc\fR, \fISrealloc\fR, and \fIst_alloc\fR \fIMalloc\fR, \fISalloc\fR, \fISrealloc\fR, and \fIst_alloc\fR
give an error message and stop execution if there is no memory available. call a routine \fINo_Mem\fR if there is no memory available. This routine
is not supposed to return. A default one, that
gives an error message and stops execution, is provided.