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Member "xzgv-0.9.2/src/misc.c" (3 Sep 2017, 862 Bytes) of package /linux/misc/old/xzgv-0.9.2.tar.gz:

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    1 /* xzgv v0.2 - picture viewer for X, with file selector.
    2  * Copyright (C) 1999 Russell Marks. See main.c for license details.
    3  *
    4  * misc.c - miscellaneous util routines.
    5  */
    6 
    7 /* XXX there are probably many other routines that should get shunted
    8  * out to this :-)
    9  */
   10 
   11 #include <stdio.h>
   12 #include <stdlib.h>
   13 #include <unistd.h>
   14 
   15 #include "misc.h"
   16 
   17 
   18 /* a crude quit for when malloc and the like fails */
   19 void quit_no_mem(void)
   20 {
   21 fprintf(stderr,"xzgv: out of memory\n");
   22 exit(1);
   23 }
   24 
   25 
   26 /* a de-hassled getcwd(). You need to free the memory after use, though.
   27  * XXX should get all remaining getcwd()s in the code to use this...
   28  */
   29 char *getcwd_allocated(void)
   30 {
   31 int incr=1024;
   32 int size=incr;
   33 char *buf=malloc(size);
   34 
   35 while(buf!=NULL && getcwd(buf,size-1)==NULL)
   36   {
   37   free(buf);
   38   size+=incr;
   39   buf=malloc(size);
   40   }
   41 
   42 if(buf==NULL)
   43   quit_no_mem();
   44 
   45 return(buf);
   46 }